WO2014196357A1 - 微細繊維含有シートの製造方法 - Google Patents
微細繊維含有シートの製造方法 Download PDFInfo
- Publication number
- WO2014196357A1 WO2014196357A1 PCT/JP2014/063436 JP2014063436W WO2014196357A1 WO 2014196357 A1 WO2014196357 A1 WO 2014196357A1 JP 2014063436 W JP2014063436 W JP 2014063436W WO 2014196357 A1 WO2014196357 A1 WO 2014196357A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fine
- sheet
- fiber
- drying
- containing sheet
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 233
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 49
- 238000001035 drying Methods 0.000 claims abstract description 111
- 239000006185 dispersion Substances 0.000 claims abstract description 37
- 238000000576 coating method Methods 0.000 claims abstract description 19
- 239000011248 coating agent Substances 0.000 claims abstract description 15
- 239000007787 solid Substances 0.000 claims description 51
- 238000011282 treatment Methods 0.000 claims description 38
- 239000000758 substrate Substances 0.000 claims description 35
- 238000000034 method Methods 0.000 claims description 33
- 229920001477 hydrophilic polymer Polymers 0.000 claims description 27
- 239000000725 suspension Substances 0.000 claims description 25
- 230000000452 restraining effect Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 abstract description 23
- 239000007788 liquid Substances 0.000 abstract description 15
- 239000000123 paper Substances 0.000 description 61
- 229920003043 Cellulose fiber Polymers 0.000 description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 37
- 229920002678 cellulose Polymers 0.000 description 30
- 239000001913 cellulose Substances 0.000 description 30
- 239000002994 raw material Substances 0.000 description 23
- 229920001131 Pulp (paper) Polymers 0.000 description 21
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 21
- 239000000243 solution Substances 0.000 description 21
- 230000037303 wrinkles Effects 0.000 description 20
- 102000004190 Enzymes Human genes 0.000 description 19
- 108090000790 Enzymes Proteins 0.000 description 19
- 239000002585 base Substances 0.000 description 16
- -1 polyethylene Polymers 0.000 description 16
- 239000000126 substance Substances 0.000 description 16
- 150000001875 compounds Chemical class 0.000 description 14
- 239000002655 kraft paper Substances 0.000 description 14
- 239000002612 dispersion medium Substances 0.000 description 11
- 239000002202 Polyethylene glycol Substances 0.000 description 10
- 238000011088 calibration curve Methods 0.000 description 10
- 239000003795 chemical substances by application Substances 0.000 description 10
- 239000003960 organic solvent Substances 0.000 description 10
- 229920001223 polyethylene glycol Polymers 0.000 description 10
- 239000012086 standard solution Substances 0.000 description 10
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 9
- 238000002835 absorbance Methods 0.000 description 9
- 238000010790 dilution Methods 0.000 description 9
- 239000012895 dilution Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 238000004804 winding Methods 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 7
- 239000008103 glucose Substances 0.000 description 7
- 230000002209 hydrophobic effect Effects 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 238000000926 separation method Methods 0.000 description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 239000004744 fabric Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 229920002994 synthetic fiber Polymers 0.000 description 6
- 239000012209 synthetic fiber Substances 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 5
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 5
- 238000005342 ion exchange Methods 0.000 description 5
- 230000035699 permeability Effects 0.000 description 5
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 5
- 229920001296 polysiloxane Polymers 0.000 description 5
- 239000013055 pulp slurry Substances 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 229940126062 Compound A Drugs 0.000 description 4
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 4
- 101710098247 Exoglucanase 1 Proteins 0.000 description 4
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-UHFFFAOYSA-N 0.000 description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 238000010411 cooking Methods 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 4
- 238000006297 dehydration reaction Methods 0.000 description 4
- 239000011121 hardwood Substances 0.000 description 4
- 238000004898 kneading Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 238000010009 beating Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000011899 heat drying method Methods 0.000 description 3
- 239000012784 inorganic fiber Substances 0.000 description 3
- 150000004715 keto acids Chemical class 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 125000004437 phosphorous atom Chemical group 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 125000001453 quaternary ammonium group Chemical group 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000011122 softwood Substances 0.000 description 3
- 238000001291 vacuum drying Methods 0.000 description 3
- OOSZCNKVJAVHJI-UHFFFAOYSA-N 1-[(4-fluorophenyl)methyl]piperazine Chemical compound C1=CC(F)=CC=C1CN1CCNCC1 OOSZCNKVJAVHJI-UHFFFAOYSA-N 0.000 description 2
- LWFUFLREGJMOIZ-UHFFFAOYSA-N 3,5-dinitrosalicylic acid Chemical compound OC(=O)C1=CC([N+]([O-])=O)=CC([N+]([O-])=O)=C1O LWFUFLREGJMOIZ-UHFFFAOYSA-N 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 2
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 2
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229920000433 Lyocell Polymers 0.000 description 2
- 208000025174 PANDAS Diseases 0.000 description 2
- 208000021155 Paediatric autoimmune neuropsychiatric disorders associated with streptococcal infection Diseases 0.000 description 2
- 240000004718 Panda Species 0.000 description 2
- 235000016496 Panda oleosa Nutrition 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000005456 alcohol based solvent Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000007900 aqueous suspension Substances 0.000 description 2
- 239000007853 buffer solution Substances 0.000 description 2
- 235000009120 camo Nutrition 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 235000005607 chanvre indien Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 239000004210 ether based solvent Substances 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 125000000524 functional group Chemical group 0.000 description 2
- 239000007986 glycine-NaOH buffer Substances 0.000 description 2
- 239000011487 hemp Substances 0.000 description 2
- 238000007602 hot air drying Methods 0.000 description 2
- 239000005453 ketone based solvent Substances 0.000 description 2
- 239000011087 paperboard Substances 0.000 description 2
- 230000026731 phosphorylation Effects 0.000 description 2
- 238000006366 phosphorylation reaction Methods 0.000 description 2
- 230000000865 phosphorylative effect Effects 0.000 description 2
- 239000002798 polar solvent Substances 0.000 description 2
- 229920000058 polyacrylate Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 239000002964 rayon Substances 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000007974 sodium acetate buffer Substances 0.000 description 2
- BHZOKUMUHVTPBX-UHFFFAOYSA-M sodium acetic acid acetate Chemical compound [Na+].CC(O)=O.CC([O-])=O BHZOKUMUHVTPBX-UHFFFAOYSA-M 0.000 description 2
- 229940074545 sodium dihydrogen phosphate dihydrate Drugs 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- MOMKYJPSVWEWPM-UHFFFAOYSA-N 4-(chloromethyl)-2-(4-methylphenyl)-1,3-thiazole Chemical compound C1=CC(C)=CC=C1C1=NC(CCl)=CS1 MOMKYJPSVWEWPM-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 241000609240 Ambelania acida Species 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- 241001474374 Blennius Species 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229920002101 Chitin Polymers 0.000 description 1
- 229920001661 Chitosan Polymers 0.000 description 1
- 241000218631 Coniferophyta Species 0.000 description 1
- PHOQVHQSTUBQQK-SQOUGZDYSA-N D-glucono-1,5-lactone Chemical compound OC[C@H]1OC(=O)[C@H](O)[C@@H](O)[C@@H]1O PHOQVHQSTUBQQK-SQOUGZDYSA-N 0.000 description 1
- 229920001353 Dextrin Polymers 0.000 description 1
- 239000004375 Dextrin Substances 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- 240000000797 Hibiscus cannabinus Species 0.000 description 1
- 239000004354 Hydroxyethyl cellulose Substances 0.000 description 1
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 description 1
- 229920001407 Modal (textile) Polymers 0.000 description 1
- 239000004368 Modified starch Substances 0.000 description 1
- 229920000881 Modified starch Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- 241000251555 Tunicata Species 0.000 description 1
- 229920002978 Vinylon Polymers 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 1
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 1
- PYCBFXMWPVRTCC-UHFFFAOYSA-N ammonium metaphosphate Chemical compound N.OP(=O)=O PYCBFXMWPVRTCC-UHFFFAOYSA-N 0.000 description 1
- ZRIUUUJAJJNDSS-UHFFFAOYSA-N ammonium phosphates Chemical class [NH4+].[NH4+].[NH4+].[O-]P([O-])([O-])=O ZRIUUUJAJJNDSS-UHFFFAOYSA-N 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 229920003064 carboxyethyl cellulose Polymers 0.000 description 1
- 206010061592 cardiac fibrillation Diseases 0.000 description 1
- 239000005018 casein Substances 0.000 description 1
- BECPQYXYKAMYBN-UHFFFAOYSA-N casein, tech. Chemical compound NCCCCC(C(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(CC(C)C)N=C(O)C(CCC(O)=O)N=C(O)C(CC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(C(C)O)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=N)N=C(O)C(CCC(O)=O)N=C(O)C(CCC(O)=O)N=C(O)C(COP(O)(O)=O)N=C(O)C(CCC(O)=N)N=C(O)C(N)CC1=CC=CC=C1 BECPQYXYKAMYBN-UHFFFAOYSA-N 0.000 description 1
- 235000021240 caseins Nutrition 0.000 description 1
- 229920006319 cationized starch Polymers 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 235000019425 dextrin Nutrition 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 235000019838 diammonium phosphate Nutrition 0.000 description 1
- 229910000388 diammonium phosphate Inorganic materials 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- ZPWVASYFFYYZEW-UHFFFAOYSA-L dipotassium hydrogen phosphate Chemical compound [K+].[K+].OP([O-])([O-])=O ZPWVASYFFYYZEW-UHFFFAOYSA-L 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- CSVGEMRSDNSWRF-UHFFFAOYSA-L disodium;dihydrogen phosphate Chemical compound [Na+].[Na+].OP(O)([O-])=O.OP(O)([O-])=O CSVGEMRSDNSWRF-UHFFFAOYSA-L 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 230000002600 fibrillogenic effect Effects 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000011086 glassine Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000007603 infrared drying Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- GDOPTJXRTPNYNR-UHFFFAOYSA-N methyl-cyclopentane Natural products CC1CCCC1 GDOPTJXRTPNYNR-UHFFFAOYSA-N 0.000 description 1
- 210000001724 microfibril Anatomy 0.000 description 1
- 238000001000 micrograph Methods 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 235000019426 modified starch Nutrition 0.000 description 1
- 235000019837 monoammonium phosphate Nutrition 0.000 description 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
- 235000019796 monopotassium phosphate Nutrition 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000010893 paper waste Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002432 poly(vinyl methyl ether) polymer Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000137 polyphosphoric acid Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 description 1
- OQZCJRJRGMMSGK-UHFFFAOYSA-M potassium metaphosphate Chemical compound [K+].[O-]P(=O)=O OQZCJRJRGMMSGK-UHFFFAOYSA-M 0.000 description 1
- 229940099402 potassium metaphosphate Drugs 0.000 description 1
- 229910000160 potassium phosphate Inorganic materials 0.000 description 1
- 235000011009 potassium phosphates Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000001878 scanning electron micrograph Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 1
- 235000019983 sodium metaphosphate Nutrition 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229940048086 sodium pyrophosphate Drugs 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- VKFFEYLSKIYTSJ-UHFFFAOYSA-N tetraazanium;phosphonato phosphate Chemical compound [NH4+].[NH4+].[NH4+].[NH4+].[O-]P([O-])(=O)OP([O-])([O-])=O VKFFEYLSKIYTSJ-UHFFFAOYSA-N 0.000 description 1
- RYCLIXPGLDDLTM-UHFFFAOYSA-J tetrapotassium;phosphonato phosphate Chemical compound [K+].[K+].[K+].[K+].[O-]P([O-])(=O)OP([O-])([O-])=O RYCLIXPGLDDLTM-UHFFFAOYSA-J 0.000 description 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 1
- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 1
- 239000001226 triphosphate Substances 0.000 description 1
- 235000011178 triphosphate Nutrition 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-N triphosphoric acid Chemical compound OP(O)(=O)OP(O)(=O)OP(O)(O)=O UNXRWKVEANCORM-UHFFFAOYSA-N 0.000 description 1
- 229910000404 tripotassium phosphate Inorganic materials 0.000 description 1
- 235000019798 tripotassium phosphate Nutrition 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 229910000406 trisodium phosphate Inorganic materials 0.000 description 1
- 235000019801 trisodium phosphate Nutrition 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 238000004736 wide-angle X-ray diffraction Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/001—Drying webs by radiant heating
- D21F5/002—Drying webs by radiant heating from infrared-emitting elements
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/02—Drying on cylinders
- D21F5/04—Drying on cylinders on two or more drying cylinders
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/02—Drying on cylinders
- D21F5/04—Drying on cylinders on two or more drying cylinders
- D21F5/048—Drying on cylinders on two or more drying cylinders in combination with other heating means
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/14—Drying webs by applying vacuum
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
- D21H11/18—Highly hydrated, swollen or fibrillatable fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H19/00—Coated paper; Coating material
Definitions
- the present invention relates to a method for producing a fine fiber-containing sheet. More specifically, the present invention relates to a method for producing a fine fiber sheet including a predetermined drying step, and a method for producing a fine fiber-containing sheet using a hydrophilic polymer.
- cellulose fibers particularly wood-derived cellulose fibers (pulp) are widely used mainly as paper products. Most cellulose fibers used in paper have a width of 10 to 50 ⁇ m. Paper (sheet) obtained from such cellulose fibers is opaque and is widely used as printing paper. On the other hand, when the cellulose fiber is treated (beating, pulverizing) with a refiner, kneader, sand grinder or the like, and the cellulose fiber is refined (microfibril), a transparent paper (glassine paper or the like) is obtained.
- Patent Document 1 discloses that a) a first supply source configured to discharge a first fluid flow stream containing fibers, and b) a second fluid containing fibers. A second supply configured to discharge a flow stream; and c) a mixing partition downstream from the first and second supplies, the first flow stream and the second flow. A mixing partition that is positioned between and defining two or more openings in the mixing partition that allow fluid communication and mixing between the first flow stream and the second flow stream; and d.
- a non-woven web production device including a receiving area designed to include a drying section proximal and downstream of the receiving area, and the drying section comprising a drying can section, It is described that it may be one or more infrared heaters, one or more ultraviolet heaters, a through air dryer, a transport wire, a conveyor, or combinations thereof.
- Patent Document 2 discloses a method for producing a composite porous sheet using fine cellulose fibers and a polymer having film-forming properties, and a polymer emulsion having film-forming properties in an aqueous suspension containing fine cellulose fibers.
- a method for producing a fine cellulose fiber composite porous sheet characterized by having a drying step of heating and drying a sheet substituted with an organic solvent, and the drying method is a cylinder dryer, Yankee dryer, hot air drying, infrared A heater and the like are described.
- Patent Documents 3 and 4 a slurry containing fine fibers is applied onto a substrate, and the dried fine fiber layer formed on the substrate is evaporated from the substrate by evaporating the liquid component in the slurry.
- the fine fiber sheet obtained by doing is described, and it describes that hot air drying, infrared drying, vacuum drying, etc. are effective for drying.
- Patent Document 5 describes a fiber sheet containing fine fibrous cellulose treated with a hydrophobizing agent such as a sizing agent, fats and oils, wax, or hydrophobic resin. Since the fiber sheet described in Patent Document 5 is composed of hydrophobic microfibrillated cellulose, the hygroscopic property is low, and the dimensional change of the fiber sheet due to moisture absorption is reduced.
- a hydrophobizing agent such as a sizing agent, fats and oils, wax, or hydrophobic resin.
- Patent Document 6 describes a porous sheet including a fine fiber web layer composed of fine fibers having a diameter of 50 to 5000 nm and a support layer to which the fine fiber web layer is bonded on one or both sides. Furthermore, the spinning solution in which the polymer solution and the adhesive material solution are mixed is electrostatically spun to form a fine fiber in which the polymer and the adhesive material are mixed, and after the adhesive material solution is sprayed onto the fine fiber, it is bonded to the support layer. Forming a fine fiber web layer.
- This invention made it the subject which should be solved to provide the manufacturing method of the fine fiber containing sheet
- the inventors of the present invention applied a dispersion process containing fine fibers having a fiber diameter of 1000 nm or less on a substrate, and a coating process on the substrate. It has been found that the fine fiber-containing sheet can be produced without causing wrinkles by a drying step of forming the fine fiber-containing sheet by drying the dispersion containing the processed fine fibers.
- One aspect of the present invention has been completed based on this finding.
- seat including the drying process which forms a fiber containing sheet
- the dispersion containing fine fibers is used for papermaking.
- the present inventors applied a suspension containing fine fibers having an average fiber width of 2 to 100 nm and a hydrophilic polymer obtained by subjecting a fiber raw material to chemical treatment and defibration treatment on a substrate. And by drying this suspension, it succeeded in manufacturing a fine fiber containing sheet
- a fine fiber-containing sheet can be produced without causing wrinkles.
- FIG. 1 shows an apparatus for producing a continuous sheet containing fine fibers used in Examples.
- FIG. 2 shows another example of an apparatus for producing a fine fiber-containing continuous sheet.
- the fine fiber used in one embodiment of the present invention is not particularly limited as long as the fiber diameter is 1000 nm or less.
- the fine fiber may be a fine cellulose fiber or a fine fiber other than the fine cellulose fiber.
- a mixture of fine cellulose fibers and fine fibers other than fine cellulose fibers may be used.
- the type of fine fiber used in another embodiment of the present invention is not particularly limited as long as it is a fine fiber having an average fiber width of 2 to 100 nm.
- it may be fine cellulose fibers, fine fibers other than fine cellulose fibers, or a mixture of fine cellulose fibers and fine fibers other than fine cellulose fibers.
- fibers other than fine cellulose fibers include, but are not limited to, semi-synthetic fibers and regenerated fibers such as inorganic fibers, organic fibers, and synthetic fibers.
- inorganic fibers include, but are not limited to, glass fibers, rock fibers, and metal fibers.
- organic fibers include, but are not limited to, fibers derived from natural products such as carbon fibers, chitin, and chitosan.
- synthetic fibers include, but are not limited to, nylon, vinylon, vinylidene, polyester, polyolefin (for example, polyethylene, polypropylene, etc.), polyurethane, acrylic, polyvinyl chloride, aramid, and the like.
- Semi-synthetic fibers include but are not limited to acetate, triacetate, promix and the like.
- the regenerated fiber include, but are not limited to, rayon, cupra, polynosic rayon, lyocell, and tencel.
- fine fibers other than fine cellulose fibers are subjected to treatment such as chemical treatment and defibration treatment
- fine fibers other than fine cellulose fibers are mixed with fine cellulose fibers and then subjected to treatment such as chemical treatment and defibration treatment. It can also be applied, and fine fibers other than fine cellulose fibers can be subjected to treatment such as chemical treatment and defibration treatment and then mixed with fine cellulose fibers.
- the addition amount of the fine fibers other than the fine cellulose fibers in the total amount of the fine cellulose fibers and the fine fibers other than the fine cellulose fibers is not particularly limited.
- the addition amount is preferably 50% by mass or less, more preferably 40% by mass or less, and further preferably 30% by mass or less. Especially preferably, it is 20 mass% or less.
- ⁇ Fine cellulose fiber> In this invention, you may use the fine cellulose fiber obtained by carrying out the chemical process and the fibrillation process of the cellulose raw material containing a lignocellulose raw material.
- cellulose raw materials include paper pulp, cotton pulp such as cotton linter and cotton lint, non-wood pulp such as hemp, straw, and bagasse, cellulose isolated from sea squirts and seaweed, etc., but are not particularly limited. .
- paper pulp is preferable in terms of availability, but is not particularly limited.
- Paper pulp includes hardwood kraft pulp (bleached kraft pulp (LBKP), unbleached kraft pulp (LUKP), oxygen bleached kraft pulp (LOKP), etc.), softwood kraft pulp (bleached kraft pulp (NBKP), unbleached kraft pulp) (NUCKP, oxygen bleached kraft pulp (NOKP), etc.), sulfite pulp (SP), chemical pulp such as soda pulp (AP), semi-chemical pulp (SCP), semi-chemical pulp such as chemiground wood pulp (CGP)
- mechanical pulp such as groundwood pulp (GP) and thermomechanical pulp (TMP, BCTMP), non-wood pulp made from cocoons, cocoons, hemp, kenaf, etc., deinked pulp made from waste paper, It is not limited.
- kraft pulp, deinked pulp, and sulfite pulp are preferable because they are more easily available, but are not particularly limited.
- a cellulose raw material may be used individually by 1 type, and may be used in mixture of 2 or more
- the average fiber width of the fine cellulose fiber is not particularly limited, but is preferably a fine cellulose fiber having an average fiber width of 2 to 1000 nm, more preferably an average fiber width of 2 to 100 nm, and still more preferably an average fiber width of 2 to 50 nm.
- the fine cellulose fibers may be cellulose fibers or rod-like particles that are much thinner than the pulp fibers normally used in papermaking applications.
- the fine cellulose fiber is an aggregate of cellulose molecules including a crystal part, and its crystal structure is type I (parallel chain).
- the average fiber width of the fine cellulose fibers is preferably 2 to 1000 nm, more preferably 2 to 100 nm, more preferably 2 to 50 nm, and further preferably 2 nm or more and less than 10 nm, as observed with an electron microscope.
- the average fiber width of the fine cellulose fiber is less than 2 nm, the physical properties (strength, rigidity, dimensional stability) as the fine cellulose fiber are not exhibited because the cellulose molecule is dissolved in water.
- it can be identified in the diffraction profile obtained from the wide angle X-ray diffraction photograph using CuK ⁇ ( ⁇ 1.54184) monochromatized with graphite that the fine cellulose fiber has the I-type crystal structure.
- the measurement of the fiber width by electron microscope observation of a fine cellulose fiber is performed as follows.
- An aqueous suspension of fine cellulose fibers having a concentration of 0.05 to 0.1% by mass is prepared, and the suspension is cast on a carbon film-coated grid subjected to a hydrophilic treatment to obtain a sample for TEM observation.
- an SEM image of the surface cast on glass may be observed.
- Observation with an electron microscope image is performed at a magnification of 1000 times, 5000 times, 10000 times, or 50000 times depending on the width of the constituent fibers.
- the sample, observation conditions, and magnification are adjusted to satisfy the following conditions.
- One straight line X is drawn at an arbitrary location in the observation image, and 20 or more fibers intersect the straight line X.
- a straight line Y perpendicular to the straight line is drawn in the same image, and 20 or more fibers intersect the straight line Y.
- the average fiber width of fine cellulose fibers is the average value of the fiber widths read in this way.
- the fiber length of the fine cellulose fiber is not particularly limited, but is preferably 1 to 1000 ⁇ m, more preferably 5 to 800 ⁇ m, and particularly preferably 10 to 600 ⁇ m.
- the fiber length can be obtained by image analysis using TEM, SEM, or AFM.
- the axial ratio (fiber length / fiber width) of the fine cellulose fibers is preferably in the range of 100 to 10,000. If the axial ratio is less than 100, it may be difficult to form a fine cellulose fiber-containing sheet. When the axial ratio exceeds 10,000, the slurry viscosity becomes high, which is not preferable.
- the method of chemical treatment of cellulose raw material or other fiber raw material is not particularly limited as long as it is a method capable of obtaining fine fibers, Examples include, but are not limited to, ozone treatment, TEMPO oxidation treatment, enzyme treatment, or treatment with a compound capable of forming a covalent bond with a functional group in cellulose or a fiber raw material.
- a method described in JP 2010-254726 A can be exemplified, but it is not particularly limited. Specifically, after the fiber is treated with ozone, it is dispersed in water, and the resulting aqueous dispersion of the fiber is pulverized.
- the method described in Japanese Patent Application No. 2012-115411 can be mentioned, but the method is particularly limited.
- the fiber raw material is treated with an enzyme at least under a condition that the ratio of the EG activity to the CBHI activity of the enzyme is 0.06 or more.
- EG activity is measured and defined as follows.
- a substrate solution of carboxymethylcellulose CMCNa High viscosity; Cat No150561, MP Biomedicals, Lnc.
- W / V concentration 100 mM, pH 5.0 containing acetic acid-sodium acetate buffer
- the enzyme for measurement was diluted in advance with a buffer solution (same as above) (dilution ratio is such that the absorbance of the enzyme solution shown below falls within a calibration curve obtained from the glucose standard solution below). 10 ⁇ l of the diluted enzyme solution was added to 90 ⁇ l of the substrate solution, and reacted at 37 ° C. for 30 minutes.
- a calibration curve was prepared using the absorbance and glucose concentration of each glucose standard solution obtained by subtracting the absorbance of the blank.
- the amount of glucose equivalent in the enzyme solution was calculated using the calibration curve after subtracting the blank absorbance from the absorbance of the enzyme solution (if the absorbance of the enzyme solution does not fall within the calibration curve, Measure again by changing the dilution ratio.
- the amount of enzyme that produces a reducing sugar equivalent to 1 ⁇ mole of glucose per minute is defined as 1 unit, and EG activity is obtained from the following formula.
- EG activity 1 ml of enzyme solution obtained by diluting with buffer solution ( ⁇ mole) / 30 min x dilution factor [Sakuzo Fukui, “Biochemical Experimental Method (Reducing Sugar Determination Method) Second Edition”, Society Publishing Center, p. 23-24 (1990)]
- CBHI activity is measured and defined as follows. Dispense 32 ⁇ l of 1.25 mM 4-Methyl-umberiferyl-cel1obioside (dissolved in acetic acid-sodium acetate buffer at a concentration of 125 mM, pH 5.0) into a 96-well microwell plate (269620, manufactured by NUNC). 4 ⁇ l of 100 mM Glucono-1,5-Lactone was added, and further diluted with the same buffer as above (dilution ratio should be that the fluorescence intensity of the following enzyme solution entered the calibration curve obtained from the following standard solution) Add 4 ⁇ l of enzyme solution for measurement, and react at 37 ° C for 30 minutes. Thereafter, 200 ⁇ l of 500 mM glycine-NaOH buffer (pH 10.5) is added to stop the reaction.
- CBHI activity is calculated from the following formula, assuming that the amount of enzyme that produces 1 ⁇ mol of 4-Methyl-umberiferon per minute is 1 unit.
- CBHI activity Amount of 4-Methyl-umberiferon in enzyme solution 1m1 after dilution ( ⁇ mo1e) / 30 minutes x dilution factor
- Examples of the treatment with a compound that can form a covalent bond with a functional group in cellulose or a fiber raw material include the following methods, but are not particularly limited. Treatment with a compound having a quaternary ammonium group described in JP2011-162608A; A method using a carboxylic acid compound described in JP2013-136659A; And “Use of at least one compound selected from oxo acids, polyoxo acids or salts thereof containing a phosphorus atom in the structure” described in International Publication WO2013 / 073652 (PCT / JP2012 / 079743) how to;
- the treatment with a compound having a quaternary ammonium group described in JP 2011-162608 A is a method of reacting a hydroxyl group in a fiber with a cationizing agent having a quaternary ammonium group to cation-modify the fiber. It is.
- a seed carboxylic acid compound is used.
- a fiber raw material is treated with these compounds to introduce a carboxy group into the fiber raw material, and an alkali treatment step of treating the fiber raw material into which the carboxy group has been introduced with an alkali solution after the carboxy group introducing step is completed. It is the method of including.
- a fiber raw material is treated with at least one compound (compound A) selected from oxoacids, polyoxoacids or salts thereof containing a phosphorus atom in the structure.
- compound A selected from oxoacids, polyoxoacids or salts thereof containing a phosphorus atom in the structure.
- a method is described. Specifically, a method of mixing a powder or aqueous solution of Compound A into a fiber raw material, a method of adding an aqueous solution of Compound A to a fiber raw material slurry, and the like can be mentioned.
- Compound A includes, but is not limited to, phosphoric acid, polyphosphoric acid, phosphorous acid, phosphonic acid, polyphosphonic acid or esters thereof.
- these may take the form of a salt.
- the compound having a phosphate group include phosphoric acid, sodium phosphate sodium phosphate, disodium hydrogen phosphate, trisodium phosphate, sodium pyrophosphate, sodium metaphosphate, and potassium phosphate.
- ammonium, ammonium pyrophosphate, and ammonium metaphosphate examples include ammonium, ammonium pyrophosphate, and ammonium metaphosphate, but are not particularly limited.
- the raw material obtained by the chemical treatment can be defibrated using a defibrating apparatus to obtain a fine fiber dispersion.
- Defibration treatment equipment includes grinders (stone mills), high-pressure homogenizers, ultra-high-pressure homogenizers, high-pressure collision grinders, ball mills, disk refiners, conical refiners, twin-screw kneaders, vibration mills, high-speed rotations
- An apparatus for wet pulverization such as a homomixer, an ultrasonic disperser, and a beater can be used as appropriate, but is not particularly limited thereto.
- the dispersion liquid containing fine fibers applied to the substrate is a liquid containing fine fibers and a dispersion medium.
- a dispersion medium water or an organic solvent can be used, but from the viewpoint of handleability and cost, only water is preferable, but it is not particularly limited. Even when an organic solvent is used, it is preferably used in combination with water, but is not particularly limited.
- Organic solvents used in combination with water include alcohol solvents (methanol, ethanol, propanol, butanol, etc.), ketone solvents (acetone, methyl ethyl ketone, etc.), ether solvents (diethyl ether, ethylene glycol dimethyl ether, tetrahydrofuran, etc.), acetate solvents
- a polar solvent such as a solvent (such as ethyl acetate) is preferable, but the solvent is not particularly limited thereto.
- the solid content concentration in the dispersion is not particularly limited, but is preferably 0.1 to 20% by mass, and more preferably 0.5 to 10% by mass. If the solid content concentration after dilution is equal to or higher than the lower limit, the efficiency of the defibrating treatment is improved, and if it is equal to or lower than the upper limit, blockage in the defibrating apparatus can be prevented.
- a suspension is prepared by adding a hydrophilic polymer to fine fibers.
- the hydrophilic polymer used in the present invention include polyethylene glycol, cellulose derivatives (hydroxyethyl cellulose, carboxyethyl cellulose, carboxymethyl cellulose, etc.), casein, dextrin, starch, modified starch, polyvinyl alcohol, modified polyvinyl alcohol (acetoacetylated polyvinyl). Alcohol), polyethylene oxide, polyvinyl pyrrolidone, polyvinyl methyl ether, polyacrylates, polyacrylamide, alkyl acrylate copolymer, urethane copolymer, and the like, but are not particularly limited. Among these, it is particularly preferable to use polyethylene glycol and polyethylene oxide. Further, glycerin can be used in place of the hydrophilic polymer.
- the molecular weight of the hydrophilic polymer is not particularly limited, but is, for example, 1.0 ⁇ 10 3 to 1.0 ⁇ 10 7 , preferably 2.0 ⁇ 10 3 to 1.0 ⁇ 10 7 , and more preferably 5.0 ⁇ 10 3 to 1.0 ⁇ 10 7 .
- the addition amount of the hydrophilic polymer is preferably 1 to 200 parts by mass, more preferably 1 to 150 parts by mass, and more preferably 2 to 120 parts by mass with respect to 100 parts by mass of the solid content of the fine fiber. Yes, particularly preferably 3 to 100 parts by weight, but not particularly limited.
- a suspension containing fine fibers to be applied to a substrate, or a suspension containing fine fibers to be applied to a substrate and a hydrophilic polymer contains fine fibers, a hydrophilic polymer and a dispersion medium. It is a liquid to contain.
- the dispersion medium water or an organic solvent can be used, but from the viewpoint of handleability and cost, only water is preferable, but it is not particularly limited. Even when an organic solvent is used, it is preferably used in combination with water, but is not particularly limited.
- Organic solvents used in combination with water include alcohol solvents (methanol, ethanol, propanol, butanol, etc.), ketone solvents (acetone, methyl ethyl ketone, etc.), ether solvents (diethyl ether, ethylene glycol dimethyl ether, tetrahydrofuran, etc.), acetate solvents
- a polar solvent such as a solvent (such as ethyl acetate) is preferable, but the solvent is not particularly limited thereto.
- the solid content concentration in the suspension is not particularly limited, but is preferably 0.1 to 20% by mass, more preferably 0.1 to 10% by mass, and further preferably 0.5 to 10% by mass. If the solid content concentration after dilution is equal to or higher than the lower limit, the efficiency of the defibrating treatment is improved, and if it is equal to or lower than the upper limit, blockage in the defibrating apparatus can be prevented.
- the coating process which coats the dispersion liquid containing a fine fiber or the suspension containing a fine fiber and a hydrophilic polymer on a base material is included.
- a film including a film having air permeability
- a woven fabric a sheet-like material represented by a nonwoven fabric, a plate, or a cylindrical body
- resin or paper is preferable in that a fine fiber-containing sheet can be more easily manufactured.
- the material is not particularly limited thereto.
- the surface of the substrate may be hydrophobic or hydrophilic.
- Examples of the resin include, but are not limited to, polytetrafluoroethylene, polyethylene, polypropylene, polyethylene terephthalate, polyvinyl chloride, polyvinylidene chloride, polystyrene, and acrylic resin.
- Examples of the metal include aluminum, stainless steel, zinc, iron, and brass, but are not particularly limited.
- the paper base material examples include paper base materials such as glossy paper, high-quality paper, medium-quality paper, copy paper, art paper, coated paper, craft paper, paperboard, white paperboard, newsprint, and renewal paper.
- At least one surface of the paper substrate may be hydrophobized with a hydrophobizing agent.
- glossy paper it is preferable to use glossy paper and make the glossy surface hydrophobic, but there is no particular limitation.
- the single glossy paper is obtained by drying wet paper after paper making with a Yankee dryer, and one side has a glossy surface with high gloss.
- the surface (further surface) side opposite to the glossy surface has a lower density than the glossy surface side.
- the paper base is obtained by making a paper stock containing pulp with a paper machine or hand-making.
- the pulp may be wood pulp or non-wood pulp.
- Examples of the raw material for wood pulp include conifers and hardwoods, but it is preferable to contain a large amount of pulp made from hardwoods in terms of increasing the smoothness of the paper base, but is not particularly limited.
- the pulp may be either mechanical pulp or chemical pulp.
- Chemical pulp includes kraft pulp (KP, cooking liquor: NaOH and Na 2 S), polysulfide pulp (SP, cooking liquor: NaOH and Na 2 S X ), soda pulp (digestion liquid: NaOH), sulfite pulp (digestion) Liquid: Na 2 SO 3 ), sodium carbonate pulp (cooking liquid: Na 2 CO 3 ), oxygen soda pulp (cooking liquid: O 2 and NaOH), and the like are not particularly limited.
- kraft pulp is preferable in terms of smoothness and cost, but is not particularly limited.
- the pulp may be unbleached pulp or bleached pulp.
- the pulp may be either unbeaten pulp or beaten pulp, but beating pulp is preferable in terms of improving the smoothness of the paper substrate, but is not particularly limited.
- the surface smoothness of at least one surface of the paper substrate to be hydrophobized is not particularly limited, but 50 seconds The above is preferable, and it is more preferable that the time is 150 to 800 seconds. If the surface smoothness of at least one surface of the paper base to be hydrophobized is equal to or higher than the lower limit, a fine fiber-containing sheet with good surface quality can be easily obtained in the production of the fine fiber-containing sheet described later. If the surface smoothness is not more than the above upper limit, a paper base material in which the productivity reduction of the fine fiber-containing sheet is prevented can be easily obtained.
- the Oken type air permeability (JAPAN TAPPI paper pulp test method No. 5-2: 2000) of the paper substrate is not particularly limited, but is preferably 20 to 500 seconds, and more preferably 40 to 300 seconds. If the air permeability of the paper base material is equal to or higher than the lower limit value, fine fibers can be captured more easily, and if it is equal to or lower than the upper limit value, a paper base material in which a decrease in productivity of the fine fiber-containing sheet is prevented is easily obtained. be able to.
- the basis weight of the paper substrate is not particularly limited, but is preferably 15 to 300 g / m 2 , and more preferably 20 to 200 g / m 2 . If the basis weight of the paper substrate is equal to or greater than the lower limit value, a paper substrate capable of sufficiently capturing fine fibers can be obtained more easily, and if the basis weight of the paper substrate is equal to or less than the upper limit value, it is fine. A paper base material in which the productivity reduction of the fiber-containing sheet is prevented can be obtained more easily.
- the basis weight of the glossy paper is not particularly limited, but is preferably 15 to 300 g / m 2 , and more preferably 20 to 200 g / m 2 . If the basis weight of single glossy paper is equal to or higher than the lower limit value, a paper substrate capable of sufficiently capturing fine fibers can be obtained more easily. A paper base material in which the productivity reduction of the fiber-containing sheet is prevented can be obtained more easily.
- the hydrophobization of the paper substrate can be performed with a hydrophobizing agent.
- a hydrophobizing agent is a substance that has a low affinity for water and is difficult to dissolve or mix in water.
- the hydrophobizing agent is at least one selected from the group consisting of a silicone compound, a fluorine compound, a polyolefin wax, a higher fatty acid amide, a higher fatty acid alkali salt, and an acrylic polymer because it can further improve the releasability of the paper substrate.
- a silicone compound is more preferable because it is preferable and is more excellent in releasability, but is not particularly limited.
- “Silicone compound” refers to polysiloxane.
- a roll coater, a gravure coater, a die coater, a curtain coater, an air doctor coater or the like can be used as a coating machine for coating a dispersion containing fine fibers.
- a die coater, a curtain coater, and a spray coater are preferable because the thickness can be made more uniform, and a die coater is more preferable, but it is not particularly limited thereto.
- the coating temperature is not particularly limited, but is preferably 20 to 45 ° C, more preferably 25 to 40 ° C, and further preferably 27 to 35 ° C. If the coating temperature is equal to or higher than the lower limit value, the fine fiber-containing dispersion can be easily applied, and if it is equal to or lower than the upper limit value, volatilization of the dispersion medium during the coating can be suppressed.
- organic solvent it is also possible to add an organic solvent to the sheet containing fine fibers after coating the fine fibers.
- the addition method of the organic solvent is not particularly limited, and a dropping method, a dipping method, or the like can be used.
- seat by drying the dispersion liquid containing the fine fiber coated on the base material is included.
- the drying step includes at least two steps, and more preferably includes a non-contact first drying step and a second drying step of drying while restraining the subsequent sheet, but is not particularly limited thereto. .
- the non-contact drying method is not particularly limited, but a method of drying by heating with hot air, infrared rays, far infrared rays or near infrared rays (heating drying method) or a method of drying in vacuum (vacuum drying method) is applied. Although a heat drying method and a vacuum drying method may be combined, the heat drying method is usually applied. Although drying by infrared rays, far infrared rays, or near infrared rays can be performed using an infrared device, a far infrared device, or a near infrared device, it is not particularly limited.
- the heating temperature in the heat drying method is not particularly limited, but is preferably 40 to 120 ° C, more preferably 60 to 105 ° C. If the heating temperature is at least the lower limit value, the dispersion medium can be volatilized quickly, and if it is at most the upper limit value, the cost required for heating and the discoloration due to the heat of the fine fibers can be suppressed.
- the surface to which the fine fiber dispersion of the hydrous web is applied (hereinafter referred to as “application surface A”). )) In contact with the outer peripheral surface of the dryer, and a method in which the surface of the hydrous web not coated with the fine fiber dispersion (hereinafter referred to as “non-coated surface B”) is brought into contact with the felt cloth. Yes, but not particularly limited.
- the solid content concentration ( ⁇ 2 ) of the sheet after the non-contact first drying step is not particularly limited, but is preferably 3 to 21% by mass.
- the solid content concentration ( ⁇ 1 ) of the sheet before the non-contact first drying step, the solid content concentration ( ⁇ 2 ) of the sheet after the non-contact first drying step, and the solid content concentration ⁇ 1 to ⁇ 2 ⁇ 21 represented by the following formula (1) calculated from the time t 21 (min) required until the time is not particularly limited, but is preferably 0.01 to 1.0 (% / min).
- Formula (1) ⁇ 21 ( ⁇ 2 ⁇ 1 ) / t 21
- the solid content concentration ( ⁇ 4 ) of the sheet after the drying step is not particularly limited, but is preferably 88 to 99% by mass.
- the solid content concentration ( ⁇ 3 ) of the sheet before the second drying step, which is dried while restraining the sheet, the solid content concentration ( ⁇ 4 ) of the sheet after the second drying step, and the solid content concentration ⁇ 4 to ⁇ ⁇ 43 represented by the following formula (2) calculated from the time t 43 (min) required to reach 3 is not particularly limited, but is preferably 0.01 to 30.0 (% / min). .
- Formula (2) ⁇ 43 ( ⁇ 4 ⁇ 3 ) / t 43
- seat by drying the suspension containing the fine fiber and hydrophilic polymer which were coated on the base material is included.
- a drying method Either a non-contact drying method or the method of drying while restraining a sheet
- the solid content concentration ( ⁇ 1 ) of the sheet before the drying step in the embodiment including at least two steps of drying step, before the first drying step), after the drying step
- the solid content concentration ( ⁇ 2 ) of the sheet after the final drying step in an embodiment including at least two stages of drying steps
- the time t 21 required to reach the solid content concentration ⁇ 1 to ⁇ 2 ⁇ 21 represented by the following formula (1) calculated from (min) is 0.01 to 30.0 (% / min), preferably 0.01 to 20.0 (% / min), 01 to 10.0 (% / min) is more preferable, and 0.01 to 1.0 (% / min) is particularly preferable.
- Formula (1) ⁇ 21 ( ⁇ 2 ⁇ 1 ) / t 21
- the obtained fine fiber-containing sheet is peeled off from the base material, but when the base material is a sheet, the fine fiber-containing sheet and the base material are wound while being laminated and immediately before use of the fine fiber-containing sheet.
- the fine fiber-containing sheet may be peeled from the process substrate.
- a first drying section 10 and a second drying section 20 provided on the downstream side of the first drying section 10 A manufacturing apparatus including a winding section 30 provided on the downstream side of the drying section can be used.
- the first drying section 10 is a section for obtaining a water-containing web B by dehydrating and drying the fine fiber dispersion A (which may contain a hydrophilic polymer) using the papermaking wire 11.
- the first drying section 10 is provided with a delivery reel 16 that feeds the papermaking wire 11 so that the hydrophobized smooth surface faces upward. Further, if desired, the dispersion medium is forcibly dehydrated from the fine fiber dispersion A.
- a suction means 14 is provided.
- the suction means 14 is disposed below the papermaking wire 11, and a plurality of suction holes (not shown) connected to a vacuum pump (not shown) are formed on the upper surface thereof. Note that suction means may not be used.
- the second drying section 20 is a section for obtaining the fine fiber-containing sheet C by drying the hydrous web B using a dryer.
- the second drying section 20 is provided with a first dryer 21 composed of a cylinder dryer (in addition, the second dryer 22 in FIG. 2), and a felt cloth 24 arranged along the outer periphery of the first dryer 21. It has been.
- the first dryer 21 is disposed on the upstream side of the second dryer 22. Further, the felt cloth 24 is endless and is circulated by the guide roll 23.
- the hydrous web B is transferred by the guide roll 23.
- a surface A (hereinafter referred to as “application surface A”) on which the fine fiber dispersion liquid A is applied in the water-containing web B is in contact with the outer peripheral surface of the first dryer 21, and the fine fibers in the water-containing web B.
- the surface B to which the dispersion A is not applied (hereinafter referred to as “non-application surface B”) is transferred so as to be in contact with the felt cloth 24.
- the application surface A is in contact with the outer peripheral surface of the second dryer 22.
- the winding section 30 is a section for separating the fine fiber-containing sheet C from the papermaking wire 11 and winding it.
- the winding section 30 includes a pair of separation rollers 31 a and 31 b that separate the fine fiber-containing sheet C from the paper making wire 11, a take-up reel 32 that winds the fine fiber-containing sheet C, and the used paper making wire 11. And a recovery reel 33 for winding and recovering.
- the separation roller 31a is disposed on the papermaking wire 11 side
- the separation roller 31b is disposed on the fine fiber-containing sheet C side.
- First drying step In the first drying step, the papermaking wire 11 is fed out from the delivery reel 16, and the fine fiber dispersion A is discharged from the head 18b onto the hydrophobic smooth surface of the papermaking wire 11.
- the dispersion medium contained in the fine fiber dispersion A on the papermaking wire 11 may be sucked and dehydrated by the suction means 14.
- the fine fiber dispersion is dried with infrared rays from the infrared device 34, thereby obtaining the water-containing web B.
- the papermaking wire 11 may be broken. Therefore, a wire used for normal papermaking is disposed below the papermaking wire 11. The papermaking wire 11 may be supported.
- the coating surface A is in contact with the outer peripheral surface of the first dryer 21, with the water-containing web B placed on the upper surface of the papermaking wire 11 being about half the outer periphery of the heated first dryer 21.
- the dispersion medium remaining on the hydrous web B is evaporated.
- the evaporated dispersion medium evaporates from the felt cloth 24 through the pores of the papermaking wire 11.
- the coated web A is then brought into contact with the outer peripheral surface of the second dryer 22, with the hydrous web B being about 3/4 of the outer peripheral surface of the heated second dryer 22.
- the dispersion medium remaining on the hydrous web B is evaporated.
- the water-containing web B is dried to obtain the fine fiber-containing sheet C.
- the fine fiber-containing sheet C is separated from the paper making wire 11 by sandwiching the paper-making wire 11 and the fine fiber-containing sheet C between the pair of separation rollers 31a and 31b. Metastasize. Then, the fine fiber-containing sheet C is pulled away from the surface of the separation roller 31 b and taken up by the take-up reel 32. At the same time, the used paper making wire 11 is taken up by the collection reel 33.
- Example 1 (Fine cellulose fiber dispersion A) 265 g of sodium dihydrogen phosphate dihydrate and 197 g of disodium hydrogen phosphate were dissolved in 538 g of water to obtain an aqueous solution of a phosphoric acid compound (hereinafter referred to as “phosphorylation reagent”).
- phosphorylation reagent a phosphoric acid compound
- Softwood bleached kraft pulp manufactured by Oji Paper Co., Ltd., moisture 50 mass%, Canadian standard freeness (CSF) 700 ml measured according to JIS P8121
- pulp A slurry was obtained.
- 210 g of the phosphorylating reagent was added to 500 g of this pulp slurry, and the mixture was dried with a blast dryer (Yamato Scientific Co., Ltd., DKM400) at 105 ° C. while occasionally kneading until the mass became constant. Subsequently, heat treatment was performed for 1 hour while occasionally kneading with a blow dryer at 150 ° C. to introduce phosphate groups into the cellulose.
- Ion exchange water was added to the pulp obtained after washing and dewatering to make a 1.0% by mass pulp slurry.
- This pulp slurry was passed through a high-pressure homogenizer (Niro Soavi "Panda Plus 2000") 10 times at an operating pressure of 1200 bar to obtain a fine cellulose fiber dispersion A.
- the average fiber width (fiber diameter) of the fine cellulose fibers was 4.2 nm.
- Paper making wire A 100 parts by weight of hardwood bleached kraft pulp with 350 ml of Canadian standard freeness (hereinafter referred to as CSF) measured according to JIS P8121, obtained by beating treatment, sizing agent (trade name: Fibran 81K, NSC Japan) Manufactured) 0.05 parts by mass, sulfuric acid band 0.45 parts by mass, cationized starch 0.5 parts by mass, polyamide / epichlorohydrin resin (paper strength enhancer) 0.4 parts by mass, yield improver small amount Was made with a long net.
- CSF Canadian standard freeness
- the wet paper thus obtained was dried and then subjected to a calendar treatment (linear pressure: 100 kg / cm) to obtain a glossy surface smoothness of 575 seconds, a further surface smoothness of 7 seconds, an air permeability of 130 seconds, and paper moisture.
- a glossy paper with 5.5% basis weight of 100 g / m 2 was obtained.
- 100 parts of silicone hydrophobizing agent KS3600 (manufactured by Shin-Etsu Chemical Co., Ltd.) and 1 part of curing agent PL50T (manufactured by Shin-Etsu Chemical Co., Ltd.) are added with toluene / ethyl acetate.
- Example 1 A continuous sheet containing fine cellulose fibers was produced using the production apparatus shown in FIG.
- the papermaking wire A was used as the papermaking wire 11. That is, the fine cellulose fiber dispersion A was stored in the supply tank 13 and supplied to the die head 18b while being stirred by the stirrer 13a. Next, the fine cellulose fiber dispersion A was supplied from the opening 18a of the die coater 18 to the upper surface of the papermaking wire 11, and water in the fine cellulose fiber dispersion was evaporated by the infrared device 34 to obtain a water-containing web B. .
- the hydrous web B was sent to the drying section 20 and dried by the first dryer 21 (set temperature 80 ° C.) to obtain a fine cellulose fiber-containing sheet C.
- the solid content concentration ( ⁇ 1 ) of the sheet before the non-contact first drying step is the solid content concentration of the sheet immediately before receiving the infrared rays from the infrared device 34 in FIG.
- the solid content concentration ( ⁇ 2 ) of the sheet after the first drying step is the solid content concentration of the sheet immediately after receiving the infrared rays from the infrared device 34 of FIG.
- the solid content concentration ( ⁇ 3 ) of the sheet before the second drying step is the solid content concentration of the sheet immediately before the first dryer 21 in FIG. 1, and the solid content concentration ( ⁇ of the sheet after the second drying step) 4 ) is the solid content concentration of the sheet immediately after the first dryer 21 in FIG.
- Example 2 (Fine fibrous cellulose suspension A) 265 g of sodium dihydrogen phosphate dihydrate and 197 g of disodium hydrogen phosphate were dissolved in 538 g of water to obtain an aqueous solution of a phosphoric acid compound (hereinafter referred to as “phosphorylation reagent”).
- phosphorylation reagent a phosphoric acid compound
- Softwood bleached kraft pulp (manufactured by Oji Paper Co., Ltd., moisture 50 mass%, Canadian standard freeness (CSF) 700 ml measured according to JIS P8121) is diluted with ion-exchanged water so that the water content is 80 mass%.
- a pulp suspension was obtained.
- 210 g of the phosphorylating reagent was added to 500 g of this pulp suspension, and the mixture was dried with a blow dryer at 105 ° C. (Yamato Scientific Co., Ltd., DKM400) while occasionally kneading until the mass became constant. Subsequently, heat treatment was performed for 1 hour while occasionally kneading with a blow dryer at 150 ° C. to introduce phosphate groups into the cellulose.
- Ion exchange water was added to the pulp obtained after washing and dewatering to make a 1.0 mass% pulp suspension.
- This pulp suspension was passed five times with a high-pressure homogenizer (NiroSoavi "Panda Plus 2000") at an operating pressure of 1200 bar to obtain a fine fibrous cellulose suspension A. Furthermore, it was passed five times at a pressure of 245 MPa with a wet atomizer (“Ultimizer” manufactured by Sugino Machine Co., Ltd.) to obtain a fine fibrous cellulose suspension B.
- the average fiber width of the fine fibrous cellulose was 4.2 nm.
- Example 2 Polyethylene glycol which is a hydrophilic polymer (manufactured by Wako Pure Chemical Industries, Ltd .: molecular weight 20000) was added to the fine fibrous cellulose suspension B so as to be 50 parts by mass with respect to 100 parts by mass of the fine fibrous cellulose. The concentration was adjusted so that the solid content concentration was 0.5%. The suspension was weighed so that the sheet basis weight was 35 g / m 2 , developed on a commercially available acrylic plate, and dried in an oven at 50 ° C. to obtain a sheet containing fine fibrous cellulose. In addition, the board for damming was arrange
- Example 3 A fine fibrous cellulose-containing sheet was obtained in the same manner as in Example 2 except that the amount of polyethylene glycol added was 30 parts by mass. The obtained sheet was a generally flat sheet with some wrinkles at the edges.
- Example 4 A fine fibrous cellulose-containing sheet was obtained in the same manner as in Example 2 except that the amount of polyethylene glycol added was 100 parts by mass. The obtained sheet was flat without wrinkles.
- Example 5 A fine fibrous cellulose-containing sheet was obtained in the same manner as in Example 2 except that polyethylene glycol (manufactured by Wako Pure Chemical Industries, Ltd .: molecular weight 500000), which is a hydrophilic polymer, was used. The obtained sheet was flat without wrinkles.
- polyethylene glycol manufactured by Wako Pure Chemical Industries, Ltd .: molecular weight 500000
- Example 6 A fine fibrous cellulose-containing sheet was obtained in the same manner as in Example 2 except that polyethylene glycol (manufactured by Wako Pure Chemical Industries, Ltd .: molecular weight 2000000), which is a hydrophilic polymer, was used and the addition amount was 10 parts by mass. The obtained sheet was flat without wrinkles.
- polyethylene glycol manufactured by Wako Pure Chemical Industries, Ltd .: molecular weight 2000000
- Example 7 A fine fibrous cellulose-containing sheet was obtained in the same manner as in Example 2 except that polyethylene glycol (manufactured by Wako Pure Chemical Industries, Ltd .: molecular weight 4000000), which is a hydrophilic polymer, was used and the addition amount was 5 parts by mass. The obtained sheet was flat without wrinkles.
- polyethylene glycol manufactured by Wako Pure Chemical Industries, Ltd .: molecular weight 4000000
- Example 8 A fine fibrous cellulose-containing sheet was obtained in the same manner as in Example 2 except that polyethylene glycol (manufactured by Wako Pure Chemical Industries, Ltd .: molecular weight 4000000), which is a hydrophilic polymer, was used and the addition amount was 10 parts by mass. The obtained sheet was flat without wrinkles.
- polyethylene glycol manufactured by Wako Pure Chemical Industries, Ltd .: molecular weight 4000000
- Example 9 A fine fibrous cellulose-containing sheet was obtained in the same manner as in Example 2 except that polyethylene glycol (manufactured by Wako Pure Chemical Industries, Ltd .: molecular weight 4000000), which is a hydrophilic polymer, was used and the addition amount was 20 parts by mass. The obtained sheet was flat without wrinkles.
- polyethylene glycol manufactured by Wako Pure Chemical Industries, Ltd .: molecular weight 4000000
- Example 2 (Comparative Example 1) In Example 2, a sheet was prepared without adding any hydrophilic polymer. The obtained sheet had many wrinkles and large waviness.
Landscapes
- Paper (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Laminated Bodies (AREA)
Abstract
Description
(1) 繊維径が1000nm以下の微細繊維を含有する分散液を基材上に塗工する塗工工程と、前記基材上に塗工した微細繊維を含有する分散液を乾燥することによって微細繊維含有シートを形成する乾燥工程を含む、微細繊維含有シートの製造方法。
(2) 前記乾燥工程が、少なくとも2段階の工程を含む、(1)に記載の微細繊維含有シートの製造方法。
(3) 前記乾燥工程が、非接触の第1乾燥工程と、その後のシートを拘束しながら乾燥する第2乾燥工程とを含む、(1)又は(2)に記載の微細繊維含有シートの製造方法。
(4) 非接触の第1乾燥工程を、赤外線装置、遠赤外線装置または近赤外線装置の何れか1以上を用いて行う、(3)に記載の微細繊維含有シートの製造方法。
(6) 非接触の第1乾燥工程前のシートの固形分濃度(ρ1)、非接触の第1乾燥工程後のシートの固形分濃度(ρ2)、及び固形分濃度ρ1からρ2になるまでに要した時間t21(分)から算出される下記式(1)で示されるα21が0.01~1.0(%/分)である、(3)から(5)の何れかに記載の微細繊維含有シートの製造方法。
式(1) α21=(ρ2-ρ1)/t21
(8) シートを拘束しながら乾燥する第2乾燥工程前のシートの固形分濃度(ρ3)、前記第2乾燥工程後のシートの固形分濃度(ρ4)、及び固形分濃度ρ4からρ3になるまでに要した時間t43(分)から算出される下記式(2)で示されるα43が0.01~30.0(%/分)である、(3)から(7)の何れかに記載の微細繊維含有シートの製造方法。
式(2) α43=(ρ4-ρ3)/t43
(10) 微細繊維含有シートが、連続シートである、(1)から(9)の何れかに記載の微細繊維含有シートの製造方法。
(11) 微細繊維の繊維径が100nm以下である、(1)から(10)の何れかに記載の微細繊維含有シートの製造方法。
(1) 繊維原料を化学的処理及び解繊処理することにより得た平均繊維幅2~100nmの微細繊維と親水性高分子とを含む懸濁液を基材上に塗工する塗工工程と、塗工した懸濁液を乾燥する乾燥工程とを含む、微細繊維含有シートの製造方法。
(2) 微細繊維の固形分100質量部に対し、親水性高分子を5~200質量部添加する、(1)に記載の微細繊維含有シートの製造方法。
(3) 親水性高分子の分子量が1.0×103~1.0×107である、(1)又は(2)に記載の微細繊維含有シートの製造方法。
(4) 乾燥工程前のシートの固形分濃度ρ1(%)、乾燥工程後のシートの固形分濃度ρ2(%)、及び固形分濃度ρ1からρ2になるまでに要した時間t21(分)から算出される下記式(1)で示されるα21が0.01~30.0(%/分)である、(1)から(3)の何れか1項に記載の微細繊維含有シートの製造方法。
式(1) α21=(ρ2-ρ1)/t21
(5)繊維原料がリグノセルロース原料である、(1)から(4)の何れかに記載の微細繊維含有シートの製造方法。
(6) 微細繊維が、リグノセルロース原料を、構造中にリン原子を含有するオキソ酸、ポリオキソ酸又はそれらの塩から選ばれる少なくなくとも1種の化合物により処理する工程と、前記処理工程後のリグノセルロース原料を解繊処理することにより得た微細繊維である、(1)から(5)の何れかに記載の微細繊維含有シートの製造方法。
(7) 微細繊維の平均繊維幅が2nm以上10nm未満である、(1)から(6)の何れかに記載の微細繊維含有シートの製造方法。
11 抄紙用ワイヤ
11a 水平部
13 供給タンク
13a 攪拌機
14 吸引手段
16 送出リール
17 ガイドロール
18 ダイコーター
18a 開口部
18b ヘッド
20 第2乾燥セクション
21 第1ドライヤー
22 第2ドライヤー
23 ガイドロール
24 フェルト布
30 巻取セクション
31a,31b 分離ローラ
32 巻取リール
33 回収リール
34 赤外線装置
A 微細繊維分散液
B 含水ウェブ
C 微細繊維含有シート
<微細繊維>
本発明の一の実施態様で用いる微細繊維は、繊維径が1000nm以下の微細繊維であればその種類は特に限定されず、例えば、微細セルロース繊維でもよいし、微細セルロース繊維以外の微細繊維でもよく、また微細セルロース繊維と、微細セルロース繊維以外の微細繊維との混合物でもよい。
本発明の別の実施態様で用いる微細繊維は、平均繊維幅2~100nmの微細繊維であればその種類は特に限定されない。例えば、微細セルロース繊維でもよいし、微細セルロース繊維以外の微細繊維でもよく、また微細セルロース繊維と、微細セルロース繊維以外の微細繊維との混合物でもよい。
本発明においては、リグノセルロース原料を含む、セルロース原料を化学的処理及び解繊処理することによって得られる微細セルロース繊維を使用してもよい。
セルロース原料としては、製紙用パルプ、コットンリンターやコットンリントなどの綿系パルプ、麻、麦わら、バガスなどの非木材系パルプ、ホヤや海草などから単離されるセルロースなどが挙げられるが、特に限定されない。これらの中でも、入手のしやすさという点で、製紙用パルプが好ましいが、特に限定されない。製紙用パルプとしては、広葉樹クラフトパルプ(晒クラフトパルプ(LBKP)、未晒クラフトパルプ(LUKP)、酸素漂白クラフトパルプ(LOKP)など)、針葉樹クラフトパルプ(晒クラフトパルプ(NBKP)、未晒クラフトパルプ(NUKP)、酸素漂白クラフトパルプ(NOKP)など)、サルファイトパルプ(SP)、ソーダパルプ(AP)等の化学パルプ、セミケミカルパルプ(SCP)、ケミグラウンドウッドパルプ(CGP)等の半化学パルプ、砕木パルプ(GP)、サーモメカニカルパルプ(TMP、BCTMP)等の機械パルプ、楮、三椏、麻、ケナフ等を原料とする非木材パルプ、古紙を原料とする脱墨パルプが挙げられるが、特に限定されない。これらの中でも、より入手しやすいことから、クラフトパルプ、脱墨パルプ、サルファイトパルプが好ましいが、特に限定されない。セルロース原料は1種を単独で用いてもよいし、2種以上混合して用いてもよい。
(2)同じ画像内で該直線と垂直に交差する直線Yを引き、該直線Yに対し、20本以上の繊維が交差する。
セルロース原料又はその他の繊維原料(無機繊維、有機繊維、合成繊維等、半合成繊維、再生繊維など)の化学的処理の方法は、微細繊維を得ることができる方法である限り特に限定されないが、例えば、オゾン処理、TEMPO酸化処理、酵素処理、又はセルロース又は繊維原料中の官能基と共有結合を形成し得る化合物による処理などが挙げられるがこれらに限定されない。
濃度1% (W/V) のカルボキシルメチルセルロース(CMCNa High viscosity; Cat No150561, MP Biomedicals, lnc.)の基質溶液(濃度100mM、pH5.0の酢酸-酢酸ナトリウム緩衝液含有)を調製した。測定用酵素を予め緩衝液(前記同様)で希釈(希釈倍率は下記酵素溶液の吸光度が下記グルコース標準液から得られた検量線に入ればよい)した。90μlの前記基質溶液に前記希釈して得られた酵素溶液10μlを添加し、37℃、30分間反応させた。
検量線を作成するために、イオン交換水(ブランク)、グルコース標準液(濃度0.5~5.6mMからすくなくとも濃度が異なる標準液4点)を選択し、それぞれ100μlを用意し、37℃、30分間保温した。
吸光度の測定は96穴マイクロウェルプレート(269620、NUNC社製)に20Oμlを分注し、マイクロプレートリーダー(infiniteM200、TECAN社製)を用い、540nmの吸光度を測定した。
EG活性=緩衝液で希釈して得られた酵素溶液1mlのグルコース相当生成量(μmole) /30分×希釈倍率[福井作蔵, “生物化学実験法(還元糖の定量法)第二版”、学会出版センター、p.23~24(1990年)参照]
96穴マイクロウェルプレート(269620、NUNC社製)に1. 25mMの4-Methyl-umberiferyl-cel1obioside (濃度125mM、pH5. 0の酢酸-酢酸ナトリウム緩衝液に溶解した) 32μlを分注する。100mMのGlucono-1,5-Lactone 4μlを添加し、さらに、前記同様の緩衝液で希釈(希釈倍率は下記酵素溶液の蛍光発光度が下記標準液から得られた検量線に入ればよい)した測定用酵素液4μlを加え、37℃、30分間反応させる。その後、500mMのglycine-NaOH緩衝液(pH10.5)200μlを添加し、反応を停止させる。
CBHI活性=希釈後酵素溶液1m1の4-Methyl-umberiferon生成量(μmo1e)/30分×希釈倍率
・特開2011-162608号公報に記載されている四級アンモニウム基を有する化合物による処理;
・特開2013-136859号に記載されているカルボン酸系化合物を使用する方法;
並びに
・国際公開WO2013/073652(PCT/JP2012/079743)に記載されている「構造中にリン原子を含有するオキソ酸、ポリオキソ酸又はそれらの塩から選ばれる少なくなくとも1種の化合物」を使用する方法;
解繊処理工程では、解繊処理装置を用いて、前記の化学的処理で得られた原料を解繊処理して、微細繊維分散液を得ることができる。
解繊処理装置としては、グラインダー(石臼型粉砕機)、高圧ホモジナイザー、超高圧ホモジナイザー、高圧衝突型粉砕機、ボールミル、ディスク型リファイナー、コニカルリファイナー、二軸混練機、振動ミル、高速回転下でのホモミキサー、超音波分散機、ビーターなど、湿式粉砕する装置等を適宜使用することができるが、特にこれらに限定されない。
基材に塗工する微細繊維を含有する分散液は、微細繊維と分散媒とを含有する液である。分散媒としては、水、有機溶剤を使用することができるが、取り扱い性やコストの点から、水のみが好ましいが、特には限定されない。有機溶剤を使用する場合でも水と併用することが好ましいが、特には限定されない。水と併用する有機溶剤としては、アルコール系溶剤(メタノール、エタノール、プロパノール、ブタノール等)、ケトン系溶剤(アセトン、メチルエチルケトン等)、エーテル系溶剤(ジエチルエーテル、エチレングリコールジメチルエーテル、テトラヒドロフラン等)、アセテート系溶剤(酢酸エチル等)等の極性溶剤が好ましいが、特にこれらに限定されない。
本発明の実施態様においては、微細繊維に親水性高分子を添加した懸濁液を調製する。
本発明で用いる親水性高分子としては、例えば、ポリエチレングリコール、セルロース誘導体(ヒドロキシエチルセルロース,カルボキシエチルセルロース,カルボキシメチルセルロース等)、カゼイン、デキストリン、澱粉、変性澱粉、ポリビニルアルコール、変性ポリビニルアルコール(アセトアセチル化ポリビニルアルコール等)、ポリエチレンオキサイド、ポリビニルピロリドン、ポリビニルメチルエーテル、ポリアクリル酸塩類、ポリアクリルアミド、アクリル酸アルキルエステル共重合体、ウレタン系共重合体などを挙げることができるが、特に限定されない。上記の中でもポリエチレングリコール、ポリエチレンオキサイドを用いることが特に好ましい。また親水性高分子の代わりにグリセリンを用いることも出来る。
基材に塗工する微細繊維を含有する懸濁液、または、基材に塗工する微細繊維と親水性高分子を含有する懸濁液は、微細繊維と親水性高分子と分散媒とを含有する液である。分散媒としては、水、有機溶剤を使用することができるが、取り扱い性やコストの点から、水のみが好ましいが、特には限定されない。有機溶剤を使用する場合でも水と併用することが好ましいが、特には限定されない。水と併用する有機溶剤としては、アルコール系溶剤(メタノール、エタノール、プロパノール、ブタノール等)、ケトン系溶剤(アセトン、メチルエチルケトン等)、エーテル系溶剤(ジエチルエーテル、エチレングリコールジメチルエーテル、テトラヒドロフラン等)、アセテート系溶剤(酢酸エチル等)等の極性溶剤が好ましいが、特にこれらに限定されない。
本発明においては、微細繊維を含有する分散液、または、微細繊維と親水性高分子を含有する懸濁液を基材上に塗工する塗工工程が含まれる。基材としては、フィルム(通気性を有するフィルムも含む)、織布、不織布に代表されるシート状のもの、板または円筒体を使用することができるが、特にこれらに限定されない。基材の材質としては、例えば、樹脂、金属又は紙などが使用され、より容易に微細繊維含有シートを製造できる点では、樹脂又は紙が好ましいが、特にこれらに限定されない。また、基材の表面は疎水性であってもよいし、親水性であってもよい。樹脂としては、ポリテトラフルオロエチレン、ポリエチレン、ポリプロピレン、ポリエチレンテレフタレート、ポリ塩化ビニル、ポリ塩化ビニリデン、ポリスチレン、アクリル樹脂等が挙げられるが、特に限定されない。金属としては、アルミニウム、ステンレス、亜鉛、鉄、真鍮等が挙げられるが、特に限定されない。
本発明においては、基材上に塗工した微細繊維を含有する分散液を乾燥することによって微細繊維含有シートを形成する乾燥工程が含まれる。
乾燥方法としては、特に限定されないが、非接触の乾燥方法でも、シートを拘束しながら乾燥する方法の何れでもよく、これらを組み合わせてもよい。好ましくは、乾燥工程は、少なくとも2段階の工程を含み、より好ましくは非接触の第1乾燥工程と、その後のシートを拘束しながら乾燥する第2乾燥工程とを含むが、特にこれらに限定されない。
式(1) α21=(ρ2-ρ1)/t21
式(2) α43=(ρ4-ρ3)/t43
乾燥方法としては、特に限定されないが、非接触の乾燥方法でも、シートを拘束しながら乾燥する方法の何れでもよく、これらを組み合わせてもよい。
式(1) α21=(ρ2-ρ1)/t21
微細繊維含有シートを製造するための装置としては、例えば、図1又は図2に示すような、第1乾燥セクション10と、第1乾燥セクション10の下流側に設けられた第2乾燥セクション20と、乾燥セクションの下流側に設けられた巻取セクション30とを具備する製造装置を用いることができる。
第1乾燥工程では、抄紙用ワイヤ11を送出リール16から繰り出し、抄紙用ワイヤ11の疎水化平滑面に微細繊維分散液Aをヘッド18bから吐出する。吸引手段14により、抄紙用ワイヤ11上の微細繊維分散液Aに含まれる分散媒を吸引、脱水してもよい。第1乾燥工程では、赤外線装置34からの赤外線により、微細繊維分散液を乾燥して、これにより含水ウェブBを得る。
このように含水ウェブBを乾燥させて微細繊維含有シートCを得る。
以下の実施例により本発明を更に詳細に説明するが、本発明はこれらの実施例によって限定されるものではない。
(微細セルロース繊維分散液A)
リン酸二水素ナトリウム二水和物265g、及びリン酸水素二ナトリウム197gを538gの水に溶解させ、リン酸系化合物の水溶液(以下、「リン酸化試薬」という。)を得た。
叩解処理して得た、JIS P8121にしたがって測定されたカナダ標準濾水度(以下、CSF)が350mlの広葉樹晒クラフトパルプを100質量部、サイズ剤(商品名:ファイブラン81K、日本エヌエスシー社製)0.05質量部、硫酸バンド0.45質量部、カチオン化澱粉0.5質量部、ポリアミド・エピクロルヒドリン樹脂(紙力増強剤)0.4質量部、歩留向上剤少量よりなる紙料を長網で抄紙した。これにより得た湿紙を乾燥した後、カレンダー処理(線圧:100kg/cm)して、艶面の表面平滑度575秒、更面の表面平滑度7秒、透気度130秒、紙水分5.5%、坪量100g/m2の片艶紙を得た。このようにして得た片艶紙の艶面に、シリコーン系疎水化剤KS3600(信越化学工業社製)100部と、硬化剤PL50T(信越化学工業社製)1部を、トルエン/酢酸エチルが3/1の混合溶媒に3質量%濃度になるように添加し攪拌したものをバーコーターで塗工量が2g/m2になるように塗工し、100℃で乾燥させて艶面が疎水化処理された抄紙用ワイヤAを得た。抄紙用ワイヤAの艶面の表面平滑度は、650秒であった。
図1に示す製造装置を用いて微細セルロース繊維含有連続シートを製造した。なお、抄紙用ワイヤ11として抄紙用ワイヤAを用いた。
すなわち、上記微細セルロース繊維分散液Aを供給タンク13に収容し、攪拌機13aにより攪拌しながらダイヘッド18bに供給した。次いでダイコーター18の開口部18aから微細セルロース繊維分散液Aを走行する抄紙用ワイヤ11の上面に供給し、赤外線装置34により微細セルロース繊維分散液中の水を蒸発させて含水ウェブBを得た。
微細セルロース繊維含有シートのシワの程度を下記の判断基準で評価した。
○:シワが認められない
△:若干シワが認められる
×:明らかにシワが認められる
(微細繊維状セルロース懸濁液A)
リン酸二水素ナトリウム二水和物265g、及びリン酸水素二ナトリウム197gを538gの水に溶解させ、リン酸系化合物の水溶液(以下、「リン酸化試薬」という。)を得た。
微細繊維状セルロース懸濁液Bに親水性高分子であるポリエチレングリコール(和光純薬社製:分子量20000)を微細繊維状セルロース100質量部に対し、50質量部になるように添加した。なお、固形分濃度が0.5%となるよう濃度調製を行った。シート坪量が35g/m2になるように懸濁液を計量して、市販のアクリル板に展開し50℃のオーブンにて乾燥し微細繊維状セルロース含有シートを得た。なお、所定の坪量となるようアクリル板上には堰止用の板を配置し、得られるシートが四角形になるようにした。得られたシートはシワが入らず平らであった。
ポリエチレングリコールの添加量を30質量部とした以外は、実施例2と同様にして微細繊維状セルロース含有シートを得た。得られたシートは端部にシワが多少見られたものの概ね平らなシートであった。
ポリエチレングリコールの添加量を100質量部とした以外は、実施例2と同様にして微細繊維状セルロース含有シートを得た。得られたシートはシワが入らず平らであった。
親水性高分子であるポリエチレングリコール(和光純薬社製:分子量500000)を用いた以外は実施例2と同様にして微細繊維状セルロース含有シートを得た。得られたシートはシワが入らず平らであった。
親水性高分子であるポリエチレングリコール(和光純薬社製:分子量2000000)を用い、添加量を10質量部とした以外は実施例2と同様にして微細繊維状セルロース含有シートを得た。得られたシートはシワが入らず平らであった。
親水性高分子であるポリエチレングリコール(和光純薬社製:分子量4000000)を用い、添加量を5質量部とした以外は実施例2と同様にして微細繊維状セルロース含有シートを得た。得られたシートはシワが入らず平らであった。
親水性高分子であるポリエチレングリコール(和光純薬社製:分子量4000000)を用い、添加量を10質量部とした以外は実施例2と同様にして微細繊維状セルロース含有シートを得た。得られたシートはシワが入らず平らであった。
親水性高分子であるポリエチレングリコール(和光純薬社製:分子量4000000)を用い、添加量を20質量部とした以外は実施例2と同様にして微細繊維状セルロース含有シートを得た。得られたシートはシワが入らず平らであった。
実施例2にて親水性高分子を全く添加しないでシート作製を行った。得られたシートはシワが多く大きくうねっていた。
式(1) α21=(ρ2-ρ1)/t21
実施例2~9及び比較例1についての結果を以下の表2に示す。
Claims (13)
- 繊維径が1000nm以下の微細繊維を含有する分散液を基材上に塗工する塗工工程、前記基材上に塗工した微細繊維を含有する分散液を乾燥することによって微細繊維含有シートを形成する乾燥工程を含む、微細繊維含有シートの製造方法。
- 前記乾燥工程が、少なくとも2段階の工程を含む、請求項1に記載の微細繊維含有シートの製造方法。
- 前記乾燥工程が、非接触の第1乾燥工程と、その後のシートを拘束しながら乾燥する第2乾燥工程とを含む、請求項1又は2に記載の微細繊維含有シートの製造方法。
- 非接触の第1乾燥工程を、赤外線装置、遠赤外線装置または近赤外線装置の何れか1以上を用いて行う、請求項3に記載の微細繊維含有シートの製造方法。
- 非接触の第1乾燥工程後のシートの固形分濃度(ρ2)が3~21質量%である、請求項3又は4に記載の微細繊維含有シートの製造方法。
- 非接触の第1乾燥工程前のシートの固形分濃度(ρ1)、非接触の第1乾燥工程後のシートの固形分濃度(ρ2)、及び固形分濃度ρ1からρ2になるまでに要した時間t21(分)から算出される下記式(1)で示されるα21が0.01~1.0(%/分)である、請求項3から5の何れか1項に記載の微細繊維含有シートの製造方法。
式(1) α21=(ρ2-ρ1)/t21 - 乾燥工程後のシートの固形分濃度(ρ4)が88~99質量%である、請求項1から6の何れか1項に記載の微細繊維含有シートの製造方法。
- シートを拘束しながら乾燥する第2乾燥工程前のシートの固形分濃度(ρ3)、前記第2乾燥工程後のシートの固形分濃度(ρ4)、及び固形分濃度ρ4からρ3になるまでに要した時間t43(分)から算出される下記式(2)で示されるα43が0.01~30.0(%/分)である、請求項3から7の何れか1項に記載の微細繊維含有シートの製造方法。
式(2) α43=(ρ4-ρ3)/t43 - 基材上に塗工した微細繊維を含有する分散液を乾燥することによって微細繊維含有シートを形成する乾燥工程の前又は前記乾燥工程中に、微細繊維を含有する分散液を抄紙用ワイヤで濾過する工程を含む、請求項1から8の何れか1項に記載の微細繊維含有シートの製造方法。
- 微細繊維含有シートが、連続シートである、請求項1から9の何れか1項に記載の微細繊維含有シートの製造方法。
- 解繊処理することにより得た平均繊維幅2~100nmの微細繊維と親水性高分子とを含む懸濁液を基材上に塗工する塗工工程と、塗工した懸濁液を乾燥する乾燥工程とを含む、微細繊維含有シートの製造方法。
- 前記微細繊維の固形分100質量部に対し、親水性高分子を5~200質量部添加する、請求項11に記載の微細繊維含有シートの製造方法。
- 親水性高分子の分子量が1.0×103~1.0×107である、請求項11または12に記載の 微細繊維含有シートの製造方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015521376A JP6132020B2 (ja) | 2013-06-03 | 2014-05-21 | 微細繊維含有シートの製造方法 |
KR1020157035404A KR102269729B1 (ko) | 2013-06-03 | 2014-05-21 | 미세 섬유 함유 시트의 제조 방법 |
CA2914146A CA2914146A1 (en) | 2013-06-03 | 2014-05-21 | Method for producing sheet containing fine fibers |
EP14807424.8A EP3006622B1 (en) | 2013-06-03 | 2014-05-21 | Production method for fine-fibre-containing sheet |
CN201480031869.0A CN105247136B (zh) | 2013-06-03 | 2014-05-21 | 含微细纤维的片材的制造方法 |
US14/895,359 US10697118B2 (en) | 2013-06-03 | 2014-05-21 | Method for producing sheet containing fine fibers |
US16/863,899 US11542659B2 (en) | 2013-06-03 | 2020-04-30 | Method for producing sheet containing fine fibers |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013116947 | 2013-06-03 | ||
JP2013-116947 | 2013-06-03 | ||
JP2013175181 | 2013-08-27 | ||
JP2013-175181 | 2013-08-27 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/895,359 A-371-Of-International US10697118B2 (en) | 2013-06-03 | 2014-05-21 | Method for producing sheet containing fine fibers |
US16/863,899 Division US11542659B2 (en) | 2013-06-03 | 2020-04-30 | Method for producing sheet containing fine fibers |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2014196357A1 true WO2014196357A1 (ja) | 2014-12-11 |
Family
ID=52008009
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2014/063436 WO2014196357A1 (ja) | 2013-06-03 | 2014-05-21 | 微細繊維含有シートの製造方法 |
Country Status (7)
Country | Link |
---|---|
US (2) | US10697118B2 (ja) |
EP (1) | EP3006622B1 (ja) |
JP (6) | JP6132020B2 (ja) |
KR (1) | KR102269729B1 (ja) |
CN (1) | CN105247136B (ja) |
CA (1) | CA2914146A1 (ja) |
WO (1) | WO2014196357A1 (ja) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104773953A (zh) * | 2015-03-24 | 2015-07-15 | 南京航空航天大学 | 一种自加热集棉装置 |
US20160130757A1 (en) * | 2013-06-03 | 2016-05-12 | Oji Holdings Corporation | Method for producing sheet containing fine fibers |
JP2017082071A (ja) * | 2015-10-27 | 2017-05-18 | 王子ホールディングス株式会社 | シート及び成形体 |
JP2017159559A (ja) * | 2016-03-10 | 2017-09-14 | 王子ホールディングス株式会社 | ヒートシールシートおよびプレススルー包装体 |
WO2018008735A1 (ja) * | 2016-07-08 | 2018-01-11 | 王子ホールディングス株式会社 | シート |
EP3332763A4 (en) * | 2015-08-04 | 2019-01-23 | Oji Holdings Corporation | COSMETIC |
KR20190017965A (ko) | 2016-07-08 | 2019-02-20 | 오지 홀딩스 가부시키가이샤 | 시트 |
JP2019526442A (ja) * | 2016-09-01 | 2019-09-19 | スメット テクノロジーズ リミテッド アンド カンパニー カーゲー | ナノフィルムを製造する方法および装置 |
JP2020164726A (ja) * | 2019-03-29 | 2020-10-08 | 王子ホールディングス株式会社 | シート |
WO2022124290A1 (ja) * | 2020-12-07 | 2022-06-16 | 王子ホールディングス株式会社 | 生体高分子吸着シートおよびその製造方法 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2875950A4 (en) * | 2012-07-19 | 2015-07-15 | Asahi Kasei Fibers Corp | MULTILAYER STRUCTURE WITH A FINE FIBER CELLULOSE LAYER |
DE102016120933B4 (de) * | 2016-11-03 | 2018-10-18 | Voith Patent Gmbh | Verwendung einer Trockenvorrichtung zur Herstellung eines nassgelegten Vliesstoffes |
SE541275C2 (en) | 2016-12-22 | 2019-06-04 | Stora Enso Oyj | A method for the production of a coated film comprising microfibrillated cellulose |
CN111051443A (zh) * | 2017-08-29 | 2020-04-21 | 王子控股株式会社 | 含纤维状纤维素的组合物和涂料 |
JP2019173253A (ja) * | 2018-03-27 | 2019-10-10 | 株式会社富山環境整備 | 繊維材料の製造方法及び複合材料の製造方法並びに繊維材料及び複合材料 |
JP7291367B2 (ja) * | 2018-10-15 | 2023-06-15 | 国立大学法人信州大学 | 中間体及び中間体の製造方法 |
SE544320C2 (en) | 2018-11-09 | 2022-04-05 | Stora Enso Oyj | A method for dewatering a web comprising microfibrillated cellulose |
CN110359311A (zh) * | 2019-06-10 | 2019-10-22 | 浙江金昌特种纸股份有限公司 | 一种纯纳米纤维素薄膜的制备方法 |
JP2022052117A (ja) * | 2020-09-23 | 2022-04-04 | セイコーエプソン株式会社 | 繊維構造体、及び繊維構造体の製造装置 |
CN114536820A (zh) * | 2020-11-24 | 2022-05-27 | 张家港市翔华铝业有限公司 | 一种防腐屏蔽膜的生产工艺 |
JP2022088181A (ja) * | 2020-12-02 | 2022-06-14 | ビューテック株式会社 | セルロース繊維の湿潤シート及び成形体の製造方法 |
Citations (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10212683A (ja) * | 1997-01-29 | 1998-08-11 | Tennex:Kk | 濾過材の製造方法 |
JP2001159090A (ja) * | 1999-09-21 | 2001-06-12 | Mitsubishi Paper Mills Ltd | オフセット印刷用不織布 |
JP2005089950A (ja) * | 2003-08-12 | 2005-04-07 | Mitsubishi Heavy Ind Ltd | カレンダシステム,そのカレンダシステムにより製造された紙及びカレンダ処理方法 |
JP2007023219A (ja) | 2005-07-20 | 2007-02-01 | Mitsubishi Paper Mills Ltd | 微細繊維からなるシート |
JP2007023218A (ja) | 2005-07-20 | 2007-02-01 | Mitsubishi Paper Mills Ltd | 微細セルロース繊維からなるシート及び樹脂との複合材料 |
JP2008248441A (ja) | 2007-03-30 | 2008-10-16 | Daicel Chem Ind Ltd | 疎水化された微小繊維状セルロースを含む繊維シート |
JP2010254726A (ja) | 2009-04-21 | 2010-11-11 | Oji Paper Co Ltd | 微細繊維状セルロースの製造方法 |
WO2011010609A1 (ja) * | 2009-07-24 | 2011-01-27 | 王子製紙株式会社 | 繊維シートの製造装置 |
JP2011042903A (ja) * | 2009-08-21 | 2011-03-03 | Asahi Kasei Corp | 微細繊維を含むシートの製造装置及び方法 |
JP2011162608A (ja) | 2010-02-05 | 2011-08-25 | Kyoto Univ | カチオン性ミクロフィブリル化植物繊維及びその製造方法 |
JP2012117183A (ja) * | 2010-12-03 | 2012-06-21 | Oji Paper Co Ltd | 微細繊維状セルロース含有シート抄紙用ワイヤー及び微細繊維状セルロース含有シートの製造方法 |
JP2012116905A (ja) | 2010-11-30 | 2012-06-21 | Oji Paper Co Ltd | 微細繊維状セルロースコンポジット多孔性シートの製造方法 |
JP2012115411A (ja) | 2010-11-30 | 2012-06-21 | Nhk Spring Co Ltd | シート装置 |
JP2012516399A (ja) | 2009-01-28 | 2012-07-19 | ドナルドソン カンパニー,インコーポレイティド | 繊維媒体並びにその形成方法及び装置 |
JP2012149355A (ja) * | 2011-01-17 | 2012-08-09 | Oji Paper Co Ltd | 微細植物繊維の製造方法ならびに微細植物繊維含有シート |
JP2013071456A (ja) | 2011-09-27 | 2013-04-22 | Samsung Electro-Mechanics Co Ltd | 多孔性シート及びその製造方法 |
WO2013073652A1 (ja) | 2011-11-18 | 2013-05-23 | 王子ホールディングス株式会社 | 微細繊維状セルロースの製造方法、不織布の製造方法、微細繊維状セルロース、微細繊維状セルロース含有スラリー、不織布、及び複合体 |
JP2013136859A (ja) | 2011-08-08 | 2013-07-11 | Oji Holdings Corp | 微細繊維状セルロースの製造方法、不織布の製造方法、微細繊維状セルロース、微細繊維状セルロース含有スラリー、不織布、および複合体 |
JP2014084431A (ja) * | 2012-10-25 | 2014-05-12 | Oji Holdings Corp | 微細セルロース繊維含有シートの製造方法 |
Family Cites Families (72)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4414949A1 (de) * | 1994-04-28 | 1995-11-02 | Voith Gmbh J M | Vorrichtung zum Auftragen von mindestens einem flüssigen Medium auf eine laufende Materialbahn |
JP3093965B2 (ja) * | 1994-12-28 | 2000-10-03 | 日本製紙株式会社 | 吸水性を改良した印刷用紙及び新聞印刷用紙 |
DE19704858B4 (de) * | 1997-02-10 | 2005-07-21 | Voith Paper Gmbh & Co. Kg | Verfahren und Vorrichtung zum Herstellen beidseitig gestrichener Papierbahnen |
FI20011291A (fi) * | 2001-06-18 | 2002-12-19 | Metso Paper Inc | Menetelmä ja paperikone päällystetyn paperin valmistamiseksi |
FI110957B (fi) * | 2001-12-10 | 2003-04-30 | Metso Paper Inc | Menetelmä ja sovitelma monikerrospäällystyksen tekemiseksi |
JP2005538863A (ja) | 2002-08-15 | 2005-12-22 | ドナルドソン カンパニー,インコーポレイティド | 微孔性のポリマーによる紙のコーティング |
US7871496B2 (en) * | 2003-11-28 | 2011-01-18 | Voith Paper Patent Gmbh | Paper machine |
US7842162B1 (en) * | 2005-03-14 | 2010-11-30 | Louisiana Tech University Foundation, Inc. | Layer-by-layer nanocoating for paper fabrication |
US20060266485A1 (en) * | 2005-05-24 | 2006-11-30 | Knox David E | Paper or paperboard having nanofiber layer and process for manufacturing same |
BRPI0615512A2 (pt) * | 2005-07-11 | 2011-05-17 | Int Paper Co | substrato de papel ou papelão, papelão corrugado, e pacote, cartucho, ou caixa |
US20070148365A1 (en) * | 2005-12-28 | 2007-06-28 | Knox David E | Process and apparatus for coating paper |
WO2007088974A1 (ja) * | 2006-02-02 | 2007-08-09 | Kyushu University, National University Corporation | セルロースナノ繊維を用いる撥水性と耐油性の付与方法 |
AU2007212781B2 (en) | 2006-02-08 | 2011-01-27 | Stfi-Packforsk Ab | Method for the manufacturing of microfibrillated cellulose |
JP4997565B2 (ja) * | 2006-04-10 | 2012-08-08 | ボイス ペ−パ− パテント ゲ−エムベ−ハ− | オンマシン塗工装置 |
JP5099618B2 (ja) * | 2006-07-19 | 2012-12-19 | ローム株式会社 | 繊維複合材料及びその製造方法 |
WO2008118228A2 (en) * | 2006-12-05 | 2008-10-02 | Stonybrook Water Purification | Articles comprising a fibrous support |
EP2216345B1 (en) | 2007-11-26 | 2014-07-02 | The University of Tokyo | Cellulose nanofiber, production method of same and cellulose nanofiber dispersion |
EP2267222B1 (en) * | 2008-03-31 | 2018-05-16 | Nippon Paper Industries Co., Ltd. | Additive for papermaking and paper containing the same |
EP2288752B1 (en) * | 2008-06-20 | 2014-03-12 | International Paper Company | Composition and recording sheet with improved optical properties |
TWI531362B (zh) * | 2008-07-21 | 2016-05-01 | 艾爾康股份有限公司 | 具有治療劑遞送能力之眼科裝置 |
CA2738087A1 (en) * | 2008-09-22 | 2010-03-25 | Patrick D. Kincaid | Fibrous products and methods of manufacture |
JP2010115574A (ja) | 2008-11-11 | 2010-05-27 | Asahi Kasei Corp | 機能性フィルター |
JP5515312B2 (ja) | 2009-02-12 | 2014-06-11 | 凸版印刷株式会社 | コーティング剤および成形体 |
JP2010270315A (ja) | 2009-04-24 | 2010-12-02 | Sumitomo Bakelite Co Ltd | 複合体組成物 |
EP2460934B1 (en) * | 2009-07-31 | 2017-03-08 | Oji Holdings Corporation | Method for manufacturing microfibrous cellulose composite sheets and method for manufacturing microfibrous cellulose composite sheet laminate |
JP5477564B2 (ja) | 2009-09-29 | 2014-04-23 | 凸版印刷株式会社 | バリアフィルムとその製造方法 |
JP5589435B2 (ja) | 2010-02-24 | 2014-09-17 | 住友ベークライト株式会社 | 複合体組成物および複合体 |
SE534876C2 (sv) * | 2010-03-18 | 2012-01-31 | Stora Enso Oyj | Metod för att förse ett substrat med en barriär genom användning av elektrospinning eller smältspinning av nanofiber |
KR101800474B1 (ko) * | 2010-03-26 | 2017-11-22 | 도판 인사츠 가부시키가이샤 | 막 형성용 조성물 및 시트 |
FR2960889B1 (fr) * | 2010-06-03 | 2012-07-27 | Arjo Wiggins Fine Papers Ltd | Papier fin couche a toucher doux |
FI125826B (fi) * | 2010-08-04 | 2016-02-29 | Nordkalk Oy Ab | Menetelmä paperin tai kartongin valmistamiseksi |
EP2597195B1 (en) * | 2010-07-23 | 2015-01-28 | Oji Holdings Corporation | Wire for producing a microfibrous cellulose-containing sheet and method for producing a microfibrous cellulose-containing sheet |
JP2012041489A (ja) | 2010-08-23 | 2012-03-01 | Kao Corp | ガスバリア性成形体 |
JP2012057285A (ja) * | 2010-09-13 | 2012-03-22 | Oji Paper Co Ltd | 微細植物繊維含有紙シート |
JP2013256546A (ja) * | 2010-09-28 | 2013-12-26 | Nippon Paper Industries Co Ltd | セルロースナノファイバー |
JP5716378B2 (ja) * | 2010-12-17 | 2015-05-13 | 王子ホールディングス株式会社 | 繊維シートの製造装置 |
CN103298861B (zh) * | 2010-12-27 | 2016-09-14 | 王子控股株式会社 | 微细纤维状纤维素复合预浸片的制造方法、微细纤维状纤维素复合片的制造方法及微细纤维状纤维素复合层叠片的制造方法 |
US20120302119A1 (en) * | 2011-04-07 | 2012-11-29 | Eastman Chemical Company | Short cut microfibers |
WO2012156880A1 (en) | 2011-05-13 | 2012-11-22 | Stora Enso Oyj | Process for treating microfibrillated cellulose and microfibrillated cellulose treated according to the process |
JP5918496B2 (ja) | 2011-10-07 | 2016-05-18 | 花王株式会社 | ゲル状体及びその製造方法 |
JP5799753B2 (ja) * | 2011-10-31 | 2015-10-28 | 王子ホールディングス株式会社 | 微細繊維含有シートの製造方法 |
WO2013094563A1 (ja) | 2011-12-19 | 2013-06-27 | 住友ベークライト株式会社 | 樹脂組成物およびその製造方法 |
US20140170313A1 (en) * | 2012-03-07 | 2014-06-19 | Nanopaper, Llc | High-performance fibrous products |
MX366743B (es) * | 2012-04-13 | 2019-07-04 | Sigma Alimentos Sa De Cv | Papel o cartón hidrofóbico con nanopartículas auto-ensambladas y método para elaborarlo. |
EP2875950A4 (en) * | 2012-07-19 | 2015-07-15 | Asahi Kasei Fibers Corp | MULTILAYER STRUCTURE WITH A FINE FIBER CELLULOSE LAYER |
CN103590283B (zh) * | 2012-08-14 | 2015-12-02 | 金东纸业(江苏)股份有限公司 | 涂料及应用该涂料的涂布纸 |
JP2014163028A (ja) * | 2013-02-27 | 2014-09-08 | Oji Holdings Corp | 微細セルロース繊維含有シート及び吸着材、フィルター、セパレーター |
JP6127697B2 (ja) * | 2013-03-14 | 2017-05-17 | 王子ホールディングス株式会社 | 微細繊維状セルロース含有シートの製造方法 |
JP6191179B2 (ja) * | 2013-03-19 | 2017-09-06 | 王子ホールディングス株式会社 | セルロース微細繊維含有樹脂複合体 |
FR3003581B1 (fr) | 2013-03-20 | 2015-03-20 | Ahlstroem Oy | Support fibreux a base de fibres et de nanofibrilles de polysaccharide |
FI126216B (en) * | 2013-03-26 | 2016-08-31 | Kemira Oyj | Procedure for the manufacture of cardboard |
US9303357B2 (en) * | 2013-04-19 | 2016-04-05 | Eastman Chemical Company | Paper and nonwoven articles comprising synthetic microfiber binders |
EP3006622B1 (en) * | 2013-06-03 | 2019-06-26 | Oji Holdings Corporation | Production method for fine-fibre-containing sheet |
EP3023542B1 (en) * | 2013-07-19 | 2019-01-30 | Asahi Kasei Kabushiki Kaisha | Fine cellulose fiber sheet |
EP3024887B1 (en) * | 2013-07-26 | 2023-11-22 | The Penn State Research Foundation | Method for preparation of polymer compositions and coatings |
KR20160145608A (ko) * | 2014-04-22 | 2016-12-20 | 오지 홀딩스 가부시키가이샤 | 복합체 및 그 제조 방법 |
TWI667270B (zh) * | 2014-05-26 | 2019-08-01 | 日商王子控股股份有限公司 | 微細纖維及含微細纖維片的製造方法、由其得到的片及積層樹脂的樹脂複合體 |
US12077654B2 (en) * | 2014-06-24 | 2024-09-03 | GranBio Intellectual Property Holdings, LLC | Hydrophobic nanocellulose-coated paper and paperboard |
US20150368441A1 (en) * | 2014-06-24 | 2015-12-24 | Api Intellectual Property Holdings, Llc | Oleophilic and hydrophobic nanocellulose materials |
WO2016002689A1 (ja) * | 2014-06-30 | 2016-01-07 | 王子ホールディングス株式会社 | 微細セルロース繊維を含有する組成物 |
WO2016060120A1 (ja) * | 2014-10-15 | 2016-04-21 | 王子ホールディングス株式会社 | 微細セルロース繊維を含む組成物 |
JP6131974B2 (ja) * | 2015-03-06 | 2017-05-24 | 王子ホールディングス株式会社 | 微細繊維含有シートの製造方法 |
KR102196197B1 (ko) * | 2015-09-18 | 2020-12-29 | 오지 홀딩스 가부시키가이샤 | 적층체 |
US10808361B2 (en) * | 2015-11-30 | 2020-10-20 | Oji Holdings Corporation | Sheets and method for producing sheets |
FI127284B (en) * | 2015-12-15 | 2018-03-15 | Kemira Oyj | Process for making paper, cardboard or equivalent |
CN108602971B (zh) * | 2016-02-10 | 2022-04-01 | 王子控股株式会社 | 片材 |
AU2017252019B2 (en) * | 2016-04-22 | 2019-09-12 | Fiberlean Technologies Limited | Fibres comprising microfibrillated cellulose and methods of manufacturing fibres and nonwoven materials therefrom |
US10640927B2 (en) * | 2016-09-19 | 2020-05-05 | Mercer International, Inc. | Absorbent paper products having unique physical strength properties |
SE540870C2 (en) * | 2017-04-12 | 2018-12-11 | Stora Enso Oyj | A gas barrier film comprising a mixture of microfibrillated cellulose and microfibrillated dialdehyde cellulose and a method for manufacturing the gas barrier film |
JP7273463B2 (ja) * | 2018-05-18 | 2023-05-15 | 大王製紙株式会社 | セルロース微細繊維及びその製造方法 |
EP3824025A1 (en) * | 2018-07-19 | 2021-05-26 | Kemira Oyj | Cellulose composition |
WO2020085479A1 (ja) * | 2018-10-26 | 2020-04-30 | 王子ホールディングス株式会社 | 微細繊維状セルロース含有組成物およびその製造方法 |
-
2014
- 2014-05-21 EP EP14807424.8A patent/EP3006622B1/en active Active
- 2014-05-21 CN CN201480031869.0A patent/CN105247136B/zh active Active
- 2014-05-21 WO PCT/JP2014/063436 patent/WO2014196357A1/ja active Application Filing
- 2014-05-21 KR KR1020157035404A patent/KR102269729B1/ko active IP Right Grant
- 2014-05-21 CA CA2914146A patent/CA2914146A1/en not_active Abandoned
- 2014-05-21 US US14/895,359 patent/US10697118B2/en active Active
- 2014-05-21 JP JP2015521376A patent/JP6132020B2/ja active Active
-
2017
- 2017-02-20 JP JP2017028903A patent/JP2017082387A/ja active Pending
-
2019
- 2019-11-20 JP JP2019209429A patent/JP7164277B2/ja active Active
-
2020
- 2020-04-30 US US16/863,899 patent/US11542659B2/en active Active
-
2021
- 2021-07-20 JP JP2021119238A patent/JP2021175842A/ja active Pending
-
2022
- 2022-11-10 JP JP2022180273A patent/JP2023001332A/ja active Pending
-
2024
- 2024-03-11 JP JP2024037265A patent/JP2024060033A/ja active Pending
Patent Citations (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10212683A (ja) * | 1997-01-29 | 1998-08-11 | Tennex:Kk | 濾過材の製造方法 |
JP2001159090A (ja) * | 1999-09-21 | 2001-06-12 | Mitsubishi Paper Mills Ltd | オフセット印刷用不織布 |
JP2005089950A (ja) * | 2003-08-12 | 2005-04-07 | Mitsubishi Heavy Ind Ltd | カレンダシステム,そのカレンダシステムにより製造された紙及びカレンダ処理方法 |
JP2007023219A (ja) | 2005-07-20 | 2007-02-01 | Mitsubishi Paper Mills Ltd | 微細繊維からなるシート |
JP2007023218A (ja) | 2005-07-20 | 2007-02-01 | Mitsubishi Paper Mills Ltd | 微細セルロース繊維からなるシート及び樹脂との複合材料 |
JP2008248441A (ja) | 2007-03-30 | 2008-10-16 | Daicel Chem Ind Ltd | 疎水化された微小繊維状セルロースを含む繊維シート |
JP2012516399A (ja) | 2009-01-28 | 2012-07-19 | ドナルドソン カンパニー,インコーポレイティド | 繊維媒体並びにその形成方法及び装置 |
JP2010254726A (ja) | 2009-04-21 | 2010-11-11 | Oji Paper Co Ltd | 微細繊維状セルロースの製造方法 |
WO2011010609A1 (ja) * | 2009-07-24 | 2011-01-27 | 王子製紙株式会社 | 繊維シートの製造装置 |
JP2011042903A (ja) * | 2009-08-21 | 2011-03-03 | Asahi Kasei Corp | 微細繊維を含むシートの製造装置及び方法 |
JP2011162608A (ja) | 2010-02-05 | 2011-08-25 | Kyoto Univ | カチオン性ミクロフィブリル化植物繊維及びその製造方法 |
JP2012116905A (ja) | 2010-11-30 | 2012-06-21 | Oji Paper Co Ltd | 微細繊維状セルロースコンポジット多孔性シートの製造方法 |
JP2012115411A (ja) | 2010-11-30 | 2012-06-21 | Nhk Spring Co Ltd | シート装置 |
JP2012117183A (ja) * | 2010-12-03 | 2012-06-21 | Oji Paper Co Ltd | 微細繊維状セルロース含有シート抄紙用ワイヤー及び微細繊維状セルロース含有シートの製造方法 |
JP2012149355A (ja) * | 2011-01-17 | 2012-08-09 | Oji Paper Co Ltd | 微細植物繊維の製造方法ならびに微細植物繊維含有シート |
JP2013136859A (ja) | 2011-08-08 | 2013-07-11 | Oji Holdings Corp | 微細繊維状セルロースの製造方法、不織布の製造方法、微細繊維状セルロース、微細繊維状セルロース含有スラリー、不織布、および複合体 |
JP2013071456A (ja) | 2011-09-27 | 2013-04-22 | Samsung Electro-Mechanics Co Ltd | 多孔性シート及びその製造方法 |
WO2013073652A1 (ja) | 2011-11-18 | 2013-05-23 | 王子ホールディングス株式会社 | 微細繊維状セルロースの製造方法、不織布の製造方法、微細繊維状セルロース、微細繊維状セルロース含有スラリー、不織布、及び複合体 |
JP2014084431A (ja) * | 2012-10-25 | 2014-05-12 | Oji Holdings Corp | 微細セルロース繊維含有シートの製造方法 |
Non-Patent Citations (1)
Title |
---|
SAKUZO FUKUI: "Quantification Method of Reducing Sugar. 2ND ED.", 1990, JAPAN SCIENTIFIC SOCIETIES PRESS, article "Experimental Methods of Biochemistry", pages: 23 - 24 |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160130757A1 (en) * | 2013-06-03 | 2016-05-12 | Oji Holdings Corporation | Method for producing sheet containing fine fibers |
US11542659B2 (en) | 2013-06-03 | 2023-01-03 | Oji Holdings Corporation | Method for producing sheet containing fine fibers |
CN104773953A (zh) * | 2015-03-24 | 2015-07-15 | 南京航空航天大学 | 一种自加热集棉装置 |
US11382842B2 (en) | 2015-08-04 | 2022-07-12 | Oji Holdings Corporation | Cosmetic |
EP3332763A4 (en) * | 2015-08-04 | 2019-01-23 | Oji Holdings Corporation | COSMETIC |
JP2017082071A (ja) * | 2015-10-27 | 2017-05-18 | 王子ホールディングス株式会社 | シート及び成形体 |
JP2017159559A (ja) * | 2016-03-10 | 2017-09-14 | 王子ホールディングス株式会社 | ヒートシールシートおよびプレススルー包装体 |
WO2018008735A1 (ja) * | 2016-07-08 | 2018-01-11 | 王子ホールディングス株式会社 | シート |
JPWO2018008735A1 (ja) * | 2016-07-08 | 2019-04-25 | 王子ホールディングス株式会社 | シート |
KR20190017965A (ko) | 2016-07-08 | 2019-02-20 | 오지 홀딩스 가부시키가이샤 | 시트 |
JP7120009B2 (ja) | 2016-07-08 | 2022-08-17 | 王子ホールディングス株式会社 | シート |
US11447612B2 (en) | 2016-07-08 | 2022-09-20 | Oji Holdings Corporation | Sheet |
KR20190017964A (ko) | 2016-07-08 | 2019-02-20 | 오지 홀딩스 가부시키가이샤 | 시트 |
JP2019526442A (ja) * | 2016-09-01 | 2019-09-19 | スメット テクノロジーズ リミテッド アンド カンパニー カーゲー | ナノフィルムを製造する方法および装置 |
JP2020164726A (ja) * | 2019-03-29 | 2020-10-08 | 王子ホールディングス株式会社 | シート |
WO2022124290A1 (ja) * | 2020-12-07 | 2022-06-16 | 王子ホールディングス株式会社 | 生体高分子吸着シートおよびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP3006622B1 (en) | 2019-06-26 |
EP3006622A4 (en) | 2017-01-11 |
JP2021175842A (ja) | 2021-11-04 |
JP2017082387A (ja) | 2017-05-18 |
JP2020033572A (ja) | 2020-03-05 |
CN105247136A (zh) | 2016-01-13 |
EP3006622A1 (en) | 2016-04-13 |
KR102269729B1 (ko) | 2021-06-25 |
JP6132020B2 (ja) | 2017-05-24 |
JP2024060033A (ja) | 2024-05-01 |
US20200256014A1 (en) | 2020-08-13 |
CA2914146A1 (en) | 2014-12-11 |
US10697118B2 (en) | 2020-06-30 |
US20160130757A1 (en) | 2016-05-12 |
JP7164277B2 (ja) | 2022-11-01 |
JP2023001332A (ja) | 2023-01-04 |
CN105247136B (zh) | 2019-06-14 |
JPWO2014196357A1 (ja) | 2017-02-23 |
US11542659B2 (en) | 2023-01-03 |
KR20160014649A (ko) | 2016-02-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7164277B2 (ja) | 微細繊維含有シートの製造方法 | |
JP5783253B2 (ja) | 微細繊維および微細繊維含有シートの製造方法 | |
JP7259226B2 (ja) | シート | |
JP6252128B2 (ja) | 脱エステル化合物の製造方法 | |
JP6326730B2 (ja) | 不織布及びその製造方法 | |
CA3134990A1 (en) | Paper products subjected to a surface treatment comprising enzyme-treated surface enhanced pulp fibers and methods of making the same | |
JP6617843B1 (ja) | シート | |
JP6127697B2 (ja) | 微細繊維状セルロース含有シートの製造方法 | |
JP6607327B1 (ja) | シート | |
JP7395836B2 (ja) | 微細繊維状セルロース含有分散液の製造方法 | |
JP7119609B2 (ja) | シート及びシートの製造方法 | |
JP7167528B2 (ja) | シート | |
JP2020172738A (ja) | シート及びシートの製造方法 | |
JP2020105474A (ja) | 繊維状セルロース、繊維状セルロース含有物、成形体及び繊維状セルロースの製造方法 | |
JP7452542B2 (ja) | シート及び積層体 | |
JP7335929B2 (ja) | セルロース繊維含有物の製造方法、反応セルロース繊維の製造方法、及び反応微細繊維の製造方法 | |
JP7346870B2 (ja) | シートの製造方法及びシート | |
JP2020153023A (ja) | シート及びシートの製造方法 | |
JP2023047590A5 (ja) | ||
JP2023047591A5 (ja) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14807424 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2914146 Country of ref document: CA |
|
ENP | Entry into the national phase |
Ref document number: 2015521376 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2014807424 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 14895359 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 20157035404 Country of ref document: KR Kind code of ref document: A |