CN1148877A - Dual surface treated filler material, method for its preparation and use in papermaking - Google Patents
Dual surface treated filler material, method for its preparation and use in papermaking Download PDFInfo
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- CN1148877A CN1148877A CN95193166A CN95193166A CN1148877A CN 1148877 A CN1148877 A CN 1148877A CN 95193166 A CN95193166 A CN 95193166A CN 95193166 A CN95193166 A CN 95193166A CN 1148877 A CN1148877 A CN 1148877A
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- Prior art keywords
- weight
- filler
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- Pending
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000009977 dual effect Effects 0.000 title claims abstract description 17
- 239000000945 filler Substances 0.000 title claims description 53
- 239000000463 material Substances 0.000 title abstract description 11
- 238000002360 preparation method Methods 0.000 title description 4
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 36
- 229920006317 cationic polymer Polymers 0.000 claims abstract description 21
- 239000011256 inorganic filler Substances 0.000 claims abstract description 20
- 229910003475 inorganic filler Inorganic materials 0.000 claims abstract description 20
- 125000000129 anionic group Chemical group 0.000 claims abstract description 15
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 239000000123 paper Substances 0.000 claims description 50
- -1 decyl- Chemical group 0.000 claims description 32
- 238000004026 adhesive bonding Methods 0.000 claims description 29
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 20
- 239000000539 dimer Substances 0.000 claims description 16
- 238000012545 processing Methods 0.000 claims description 15
- 238000011282 treatment Methods 0.000 claims description 12
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- SECPZKHBENQXJG-FPLPWBNLSA-N palmitoleic acid Chemical compound CCCCCC\C=C/CCCCCCCC(O)=O SECPZKHBENQXJG-FPLPWBNLSA-N 0.000 claims description 6
- 229920000058 polyacrylate Polymers 0.000 claims description 6
- 239000001488 sodium phosphate Substances 0.000 claims description 5
- 229910000162 sodium phosphate Inorganic materials 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims description 5
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 4
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 4
- OYHQOLUKZRVURQ-NTGFUMLPSA-N (9Z,12Z)-9,10,12,13-tetratritiooctadeca-9,12-dienoic acid Chemical compound C(CCCCCCC\C(=C(/C\C(=C(/CCCCC)\[3H])\[3H])\[3H])\[3H])(=O)O OYHQOLUKZRVURQ-NTGFUMLPSA-N 0.000 claims description 3
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 3
- OXEDXHIBHVMDST-UHFFFAOYSA-N 12Z-octadecenoic acid Natural products CCCCCC=CCCCCCCCCCCC(O)=O OXEDXHIBHVMDST-UHFFFAOYSA-N 0.000 claims description 3
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 3
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 3
- OYHQOLUKZRVURQ-HZJYTTRNSA-M 9-cis,12-cis-Octadecadienoate Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC([O-])=O OYHQOLUKZRVURQ-HZJYTTRNSA-M 0.000 claims description 3
- 229920002134 Carboxymethyl cellulose Polymers 0.000 claims description 3
- 229920003043 Cellulose fiber Polymers 0.000 claims description 3
- 239000005642 Oleic acid Substances 0.000 claims description 3
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 3
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 3
- 235000019482 Palm oil Nutrition 0.000 claims description 3
- 235000021319 Palmitoleic acid Nutrition 0.000 claims description 3
- 235000019483 Peanut oil Nutrition 0.000 claims description 3
- 235000019484 Rapeseed oil Nutrition 0.000 claims description 3
- 125000002877 alkyl aryl group Chemical group 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 3
- 125000001204 arachidyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 3
- 125000003118 aryl group Chemical group 0.000 claims description 3
- 239000010480 babassu oil Substances 0.000 claims description 3
- 235000015278 beef Nutrition 0.000 claims description 3
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 3
- 235000010948 carboxy methyl cellulose Nutrition 0.000 claims description 3
- 239000008112 carboxymethyl-cellulose Substances 0.000 claims description 3
- 239000004359 castor oil Substances 0.000 claims description 3
- 235000019438 castor oil Nutrition 0.000 claims description 3
- SECPZKHBENQXJG-UHFFFAOYSA-N cis-palmitoleic acid Natural products CCCCCCC=CCCCCCCCC(O)=O SECPZKHBENQXJG-UHFFFAOYSA-N 0.000 claims description 3
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 3
- 235000019197 fats Nutrition 0.000 claims description 3
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 3
- 125000001183 hydrocarbyl group Chemical group 0.000 claims description 3
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 3
- 229940049918 linoleate Drugs 0.000 claims description 3
- 125000005608 naphthenic acid group Chemical group 0.000 claims description 3
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 3
- 235000021313 oleic acid Nutrition 0.000 claims description 3
- 239000004006 olive oil Substances 0.000 claims description 3
- 235000008390 olive oil Nutrition 0.000 claims description 3
- 239000002540 palm oil Substances 0.000 claims description 3
- 239000000312 peanut oil Substances 0.000 claims description 3
- 239000003240 coconut oil Substances 0.000 claims description 2
- 235000019864 coconut oil Nutrition 0.000 claims description 2
- 235000015112 vegetable and seed oil Nutrition 0.000 claims description 2
- 239000012764 mineral filler Substances 0.000 claims 5
- 125000001931 aliphatic group Chemical group 0.000 claims 2
- 239000003346 palm kernel oil Substances 0.000 claims 2
- 244000060011 Cocos nucifera Species 0.000 claims 1
- 235000013162 Cocos nucifera Nutrition 0.000 claims 1
- 230000011218 segmentation Effects 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 5
- 238000004513 sizing Methods 0.000 abstract description 4
- 150000001450 anions Chemical class 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 14
- 239000002002 slurry Substances 0.000 description 14
- 150000001768 cations Chemical class 0.000 description 12
- 150000007529 inorganic bases Chemical class 0.000 description 6
- 230000002411 adverse Effects 0.000 description 5
- 125000002091 cationic group Chemical group 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 239000004927 clay Substances 0.000 description 4
- 238000011049 filling Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 150000001412 amines Chemical group 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 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 3
- 239000007787 solid Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 3
- YAXXOCZAXKLLCV-UHFFFAOYSA-N 3-dodecyloxolane-2,5-dione Chemical class CCCCCCCCCCCCC1CC(=O)OC1=O YAXXOCZAXKLLCV-UHFFFAOYSA-N 0.000 description 2
- 235000019738 Limestone Nutrition 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000012153 distilled water Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000010348 incorporation Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000002655 kraft paper Substances 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229920000768 polyamine Polymers 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- 150000003512 tertiary amines Chemical class 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- CDVLCTOFEIEUDH-UHFFFAOYSA-K tetrasodium;phosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])([O-])=O CDVLCTOFEIEUDH-UHFFFAOYSA-K 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 229920005601 base polymer Polymers 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000006735 epoxidation reaction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000011121 hardwood Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000000266 injurious effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000009955 starching Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
Classifications
-
- 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/021—Calcium carbonates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
- C09C3/063—Coating
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/10—Treatment with macromolecular organic compounds
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/69—Water-insoluble compounds, e.g. fillers, pigments modified, e.g. by association with other compositions prior to incorporation in the pulp or paper
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Cosmetics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
An inorganic filler composition and a method for the use thereof wherein the inorganic filler has been pre-treated with an anionic treating agent and a cationic polymer to produce a dual treated inorganic filler. The surface-treated inorganic filler materials of the present invention are particularly suitable for use in papermaking processes where sizing and other properties, such as strength and optical performance are important.
Description
The present invention relates to a kind of component and improve paper technology and production paper product method for quality with it.More specifically, the present invention relates to the utilization of cementing agent.The most specifically, the present invention relates to surface-treated inorganic filler, it is particularly suitable for wherein gluing and some other performance such as intensity and the very important paper technology of optical property.
Cementing agent typically utilizes in paper technology, to slow down or to stop liquid to flow through paper.Cementing agent was handled on cementing agent or work surface in cementing agent was done in paper technology usually.Interior cementing agent is added in the wet end of paper-making process, and the surface sizing agent adds in gluing machine, and the surface sizing agent performance of paper is come into force.
In the cementing agent development of early stage cellulose reactive type,, need excessive cementing agent for the control gluing.Two kinds of synthetic cementing agents that use are alkyl ketene dimer (AKD) and alkenyl succinic anhydrides (ASA) at present.The both is by giving paper sizing with the chemical reaction (covalent bond) of the hydroxyl of cellulose fibre.Yet excessive cementing agent with the cellulose reactive type causes the coefficient of friction problem of wet end precipitation, stain increase and paper surface.These problems have adverse influence to the production of paper and the quality of final paper product.Therefore, from economy and technological standpoint, excessively remain problem in the papermaking with the gluing material.
In paper technology, the control gluing be it is also important that the type of used packing material.Inorganic base filler such as clay, titanium dioxide and calcium carbonate are known to have injurious effects to gluing.Filler in the wet end paper technology and particulate, the absorption cementing agent becomes it in gluing control invalid.
Showed that with the research of dissimilar calcium carbonate-filled alkaline paper inverse relation is arranged between the specific area of the gluing value of every paper and filler.In other words, the specific area of packing material is big more, and is harmful more to the influence of gluing.And increase under the situation favourable to paper technology and final products at the filer content of paper, the gluing problem of negative effect can take place the efficient of the performance of the quality of paper and machine and production is had.
Need a kind of inorganic base filler, it neither influences the physical property that paper technology does not influence final paper product yet in use.
Therefore an object of the present invention is to provide a kind of method of improving the starching of paper.Another object of the present invention provides and a kind ofly can be used in the inorganic base filler component that improves gluing in the paper technology.Further purpose of the present invention provides a kind ofly to be improved final paper product quality and gluing not to be had the inorganic base filler component of adverse effect.In the detail specifications that provides below, it is clearer that these and other purpose will become.
German patent application 2,315,097 discloses the filler that is used in the papermaking, comprises the calcium carbonate that applies with the anion synthetic polymer resin, makes coated filler that 0 (zero) electric charge be arranged.Suggestion with coated filler come to reduce the biglyyest see usually owing to the loss of strength that in papermaking, utilized filler to cause.The preferred anionic surfactants resin is an aqueous-based polymers, for example the copolymer of styrene butadiene.
U.S. № .4,610,801 have proposed a kind of preparation method who keeps pumpable mineral slurries, and it makes in mineral slurries and handles that slurry does not solidify or viscosity is no more than 500c.p.s.m. and plays flocculation when the dilution by cationic materials is added to.It is useful that this processing slurry is considered in sewage disposal and papermaking as coagulating agent.
U.S. № 5,147,507 disclose a kind of method of improving papermaking, it is by reducing required gluing, keep spread to surpass official hour, and the handling property that improves the paper roll that forms reaches, and the improvement of the handling property of paper roll is to realize in the paper making equipment by the filler of about 5 to 50 weight % is supplied with to join, and filler is surface-treated with the cationic polymer of about 0.1 to 10.0 weight %, and this cationic polymer forms CATION by the group of formation tertiary amine with at least a polyaminoamide that react with epoxidised halohydrin compound and the processing of a kind of polyamine polymer and on cationic polymer and quaternary amine.
Disclosed is a kind of inorganic filler component and a kind of its using method, wherein used inorganic filler is pretreated and produce a kind of inorganic filler of dual processing with anionic treatments agent and cationic polymer, and this filler is particularly useful to the very important paper technology of wherein gluing, intensity and optical property.
According to one aspect of the present invention, it is new having been found that and what do not expected by prior art is a kind of inorganic filler such as calcium carbonate of dual processing, or levigate lime stone or the winnofil of manually making.The inorganic filler of this dual processing is that important paper technology is particularly useful to wherein gluing, intensity and optical property.
It is a kind of by at first using anion chemistry finishing agent that another aspect of the present invention provides, and with cationic polymer the method that dual treatment inorganic filling material is made in surface treatment carried out in inorganic filler then.When dual treatment inorganic filling material of the present invention was used in the paper technology, the gluing performance had improvement and intensity and optical property is not had adverse influence.
The agent of anion chemistry
Find to the first time treatment inorganic filling material be that the agent of effective anion chemistry is sodium phosphate, carboxymethyl cellulose, silicate, polyacrylate, Sodium Polyacrylate or other the inorganic or organic dispersant that is selected from glassy state.The sodium phosphate of glassy state, including, but not limited to: Magcophos, tetrasodium pyrophosphate, calgon and acylamino-long-chain polyphosphate.Wherein, tetrasodium phosphate is preferred.Sodium Polyacrylate comprises that it is particularly preferred that molecular weight is less than about 4000 polyacrylate.By Rhone-Poulenc, Marietts, the polyacrylate of the commodity that Georgia makes Collids-211 by name is a kind of suitable polyacrylate.The sodium phosphate of glassy state is preferred, and tetrasodium phosphate is preferred especially.
According to the present invention be improve the content of the required anion chemistry of the optics of paper and physical property agent from based on about 0.01 weight % of inorganic filler weight to about 1.0 weight %.The content of preferred anionic surfactants chemical agent is about 0.1 weight % to 0.5 weight %.
Cationic polymer
The second required component of the dual treatment inorganic filling material of the present invention is a kind of cationic polymer.Use based on inorganic filler weight about 0.1% to about 10.0%, be preferably approximately 0.25% to 2%, optics and physical property, particularly opaqueness and TENSILE STRENGTH to improve the gluing performance to the finished paper of using filler do not have adverse influence.
It is the dimer that following chemical formula is arranged that discovery is handled effective cationic polymer to inorganic filler surface:
In the formula, R is a hydrocarbyl group, selects from the alkyl that has 8 carbon atoms at least, the cycloalkyl that has 6 carbon atoms at least, aryl, aralkyl, alkaryl.Concrete dimer be octyl group-, decyl-, dodecyl-, myristyl-, cetyl-, octadecyl-, eicosyl-, docosyl-, tetracosyl-, phenyl-, benzyl-betanaphthyl-and cyclohexyl-dimer.Other available dimer can be from mining acid, naphthenic acids, δ 9, produce in 10-decatrienoic acid, palmitoleic acid, oleic acid, castor oil acid, linoleate, linoleic acid, octadecenic acid and the class acidoid, also can comprise that the mixture of above-mentioned oil is made dimer from natural fatty acid mixt as from coconut oil, babassu oil, palmit seed oil, palm oil, olive oil, peanut oil, rapeseed oil, beef fat and lard or analog.
Handle dimer by using, and form tertiary amine and quaternary amines, make polymer become cationic on the dimer surface with the polyaminoamide and/or the polyamine polymer of epoxidation halohydrin compound such as chloropropylene oxide reaction.Preferably, the cationic charge on dimer mainly derives from quaternary amines.A kind of this suitable base polymer is by Hercules, Inc., and wilmington, Delaware makes, and commodity are called Hercon.
The inorganic base filler
Being fit to the inorganic filler of using in the present invention can be from column selection down: calcium carbonate [levigate natural limestone or the synthetic winnofil (PCC) that produces], titanium dioxide, talcum and silica/silicon hydrochlorate filler.Above-mentioned filler is as having adverse effect without handling just to use to gluing, but at first use the anionic treatments agent according to the present invention, after handling with cationic polymer then, become availablely easily, and in fact improved the technology of papermaking and final paper product.
For all types filler, found that the required amount that joins the cationic polymer in the slurry that contains filler is directly relevant with the surface area of filler.
In order to make the inorganic filler that duplex surface of the present invention is handled, inorganic filler is at first handled with the agent of anion chemistry, handles with cationic polymer then.Means known joins anion and cationic finishing agent in the slurry that contains inorganic filler on the general available prior art.The agent of anion chemistry can hygrometric state and dry state add, and the treated cation agent adds with the solution form typically.Add finishing agent under 25 ℃ of room temperatures when stirring slurry is a kind of filler to be carried out the surface-treated effective ways.When the inorganic filler that duplex surface of the present invention is handled was used in the paper technology subsequently, the gluing performance improved.
When utilizing clay as the inorganic base filler in the present invention's practice, having found the above-mentioned cationic polymer surface treatment clay with about 1.0 to about 2.0 weight %, is being effective aspect the manufacturing filler clay that the gluing of reduction needs greatly.
Test gluing by the penetrability of handmade paper by Hercule gluing test (HST) for measuring liquid.HST is the test method that is used as the last colloidality of determining paper in the present invention.Test is to carry out on the Hercule gluing testing machine of KA or KC in model, and the test method of use is TAPPT method T-530 PM-89 (revision in 1989).
The following examples are used for further illustrating the surface-treated inorganic ddgt filler of the present invention and use the novelty and the unobviousness of the method for this filler.Yet no matter from what angle, they should not be not plan to be used for limiting the present invention yet, by the exception of appending claims explanation.
Example I
PH is 8 the CaCO that 17.5% solid is arranged
3Slurry is with the CATION that describes below or anion and cationic substance processing.The content of handling is (is base with paddle dryer weight %) of calculating on the basis of dry weight of calcium carbonate.Be dual processing, at first under agitation the anionic treatments agent be added in the calcium carbonate slurry.Stir after five minutes, add the treated cation agent, continue again to stir five minutes.Then the CaCO that handled
3Filler is mixed in the handmade paper, further uses following method evaluation: turbulent pulse shaper handmade paper (74g/m
2) make by 75% bleached hardwood and 25% bleached softwood kraft intermittent pulp proportioning, kraft pulp is hit Canadian Standard Freeness (CSF) in PH7 distilled water be 400.Shear rate on turbulent pulse shaper is made as 1250RPM, and utilizing denseness is 0.12% intermittent pulp proportioning.Content with 0.25 to 0.75% is the trade mark synthetic cementing agent (alkyl ketene dimer) the adding paper pulp of HERCON-85.Filler joins in the batching, makes the content range of filler in the finished product scraps of paper reach from about 15 to about 25%.The anionic polyacrylamide of high molecular is kept auxiliary agent (accurac-171) to add should be 0.05% amount mutually.In the overall process of preparation handmade paper, use distilled water.The scraps of paper with clip in pressurization under the pressure 25P.S.I. and dry on the chromium plate drum in rotation under 125 ℃ of the temperature.All scraps of paper are placed in the environment of 50%R.H. and 23 ℃ and regulate.
Find CaCO with the dual processing of anion/CATION
3The gluing that gets on the scraps of paper of being filled improves, and the gluing value surpasses resulting value on the scraps of paper of producing with independent treated cation.Table I. the HST comparison process Class1 6% filler index 24% filler index that two kinds of different anionics of use different content carry out single and dual processing
% filler HST % filler HST does not process 16.9 48 25.8 3 (anion) (cation) 0 (zero) 0.5%Hercon-85,15.8 348 24.5 720.1%colloids-211+ 0.5%Hercon-85,15.6 421 23.7 1820.3%colloids-211+ 0.5%Hercon-85,15.2 424 23.8 3030.5%colloids-211+ 0.5%Hercon-85,15.0 397 23.3 2940.1%TSPP+ 0.5%Hercon-85,15.6 357 23.4 1200.5%TSPP+ 0.5%Hercon-85 15.2 389 24.2 170
Example II
With the described same procedure of example I, be 8 CaCO approximately in respect of 17-18% solid, PH
3Slurry is with following mass treatment (content of finishing agent calculates with the weight of drying), to 5 minutes incorporation time of each interpolation permission.Then with the filer content index be 16% and 24% and the weight indicator of dried paper be 0.6 gram (74 gram/rice
2), with surface-treated CaCO
3Slurry is made handmade paper.
Discovery increases the anionic treatments agent when keeping the treated cation agent content constant, obtain high gluing value.Table II. utilize different anions agent content and different AKD content to carry out the HST comparison process Class1 6% filler index 24% filler index of single and dual processing
% filler HST % filler HST does not process 15.1 38 23.2 3, (anion), (cation) 0, (zero) 0.5%Hercon-85 15.0 100 22.9 70, (zero) 0.75%Hercon-85 14.9 159 22.2 210.2%colloids-211+ 0.25%Hercon-85 15.3 100 22.8 100.2%colloids-211+ 0.5%Hercon-85 15.4 309 23.1 620.3%colloids-211+ 0.25%Hercon-85 15.0 154 23.3 13
Example II
With the same method described in the embodiment 1, be 8 CaCO approximately in respect of 17-18% solid, PH
3Slurry is with following mass treatment (content of finishing agent calculates with the weight of drying), to 5 minutes incorporation time of each interpolation permission.Utilize surface-treated CaCO
3Slurry is stored filler 2 days and 10 days subsequently, makes handmade paper.The filer content index is 16%, and the weight indicator of the dry paper of skeleton is 0.6 gram (74 gram/rice
2).
Find CaCO with the dual processing of anion/CATION
3The gluing value that obtains on the scraps of paper of being filled surpasses resulting value on the scraps of paper made from independent treated cation agent after filler is stored 2 days and 10 days.In addition, dual processing is revealed less gluing loss (lower %HST reduces) than independent processing list.Table III. the HST that carries out single and dual processing after the filler slurry prolongs storage compares (16% filler index)
Handle filler deposit (day) minimizing %
2 10 handle type % filler HST filler HST does not handle 17.0 17 16.7 10 41 (anion) (CATION) 0 (zero) 0.5%AKD, 17.0 176 16.3 75 570.3%Colloids-211+ 0.5%AKD 16.5 307 16.0 223 27
Claims (15)
1. a method of improving gluing comprises being added to the papermaking systems in order to the surface-treated filler of cationic polymer of anionics peace treaty from 0.1 weight % to about 10 weight % of filler weight for about 0.1 weight % to 1.0 weight % of base.
2. according to the process of claim 1 wherein that anionics are selected from: the sodium phosphate of glassy state, carboxymethyl cellulose, silicate, polyacrylate, Sodium Polyacrylate comprise the mixture of any above-mentioned substance.
3. according to the process of claim 1 wherein that cationic polymer is the dimer that following general chemical formula is arranged:
In the formula, R is a hydrocarbyl group, selects from the alkyl that has 8 carbon atoms at least, the cycloalkyl that has 6 carbon atoms at least, aryl, aralkyl, alkaryl.
4. according to the method for claim 3, wherein said dimer be selected from octyl group-, decyl-, dodecyl-, myristyl-, cetyl-, octadecyl-, eicosyl-, docosyl-, tetracosyl-, phenyl-, benzyl-betanaphthyl, cyclohexyl-dimer, naphthenic acids, δ-9, the 10-decatrienoic acid, palmitoleic acid, oleic acid, castor oil acid, linoleate, linoleic acid, octadecenic acid and from coconut oil, babassu oil, palmit seed oil, palm oil, olive oil, peanut oil, rapeseed oil, the dimer of the aliphatic acid that beef fat and lard obtain.
5. according to claim 1,2,3 or 4 method contains in the wherein said papermaking systems in order to anionics peace treaty the cationic polymer surface-treated filler from 0.1 weight % to about 10 weight %s of filler weight for about 0.1 weight % to 0.5 weight % of base.
6. according to claims 1,2,3 or 4 method, wherein said inorganic filler is the calcium carbonate of segmentation.
7. the mineral filler of a dual processing comprises at first with the anionic treatments agent and uses the surface-treated mineral filler of cationic polymer subsequently.
8. according to the product of claim 7, wherein said filler be in order to filler weight for about 0.1 weight % to 1.0 weight % of base anionics and about 0.1 weight % to the surface-treated filler of cationic polymer of about 10 weight %.
9. according to the product of claim 7 or 8, wherein said mineral filler is a calcium carbonate.
10. according to the product of claim 7 or 8, wherein said mineral filler is a winnofil.
11. according to the product of claim 7 or 8, wherein said anionics are selected from sodium phosphate, carboxymethyl cellulose, silicate, polyacrylate, the Sodium Polyacrylate of glassy state.
12. according to the product of claim 7 or 8, wherein said cationic polymer is the dimer that following general chemical formula is arranged:
In the formula, R is a hydrocarbyl group, selects from the alkyl that has 8 carbon atoms at least, the cycloalkyl that has 6 carbon atoms at least, aryl, aralkyl, alkaryl.
13. product according to claim 12, wherein said dimer be selected from octyl group-, decyl-, dodecyl-, myristyl-, cetyl-, octadecyl-, eicosyl-, docosyl-, tetracosyl-, phenyl-, benzyl-β-naphthalene, cyclohexyl-dimer, naphthenic acids, δ-9, the 10-decatrienoic acid, palmitoleic acid, oleic acid, castor oil acid, linoleate, linoleic acid, octadecenic acid and from coconut palm seed oil, babassu oil, the palm seed oil, palm oil, olive oil, peanut oil, rapeseed oil, the dimer of the aliphatic acid that beef fat and lard obtain.
14 1 kinds of improved paper comprise the mineral filler that the cellulose fiber peacekeeping is at first handled with cationic polymer subsequently with the anionic treatments agent.
15 1 kinds of improved paper comprise that the cellulose fiber peacekeeping is the anionics of about 0.1 weight % to 1.0 weight % of base and the about 0.1 weight % surface-treated calcium carbonate of cationic polymer to about 10 weight % in order to filler weight.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24644894A | 1994-05-20 | 1994-05-20 | |
| US08/246,448 | 1994-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1148877A true CN1148877A (en) | 1997-04-30 |
Family
ID=22930735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95193166A Pending CN1148877A (en) | 1994-05-20 | 1995-05-16 | Dual surface treated filler material, method for its preparation and use in papermaking |
Country Status (17)
| Country | Link |
|---|---|
| EP (1) | EP0797704A1 (en) |
| JP (1) | JPH10505883A (en) |
| CN (1) | CN1148877A (en) |
| AU (1) | AU702265B2 (en) |
| BR (1) | BR9507737A (en) |
| CA (1) | CA2190827A1 (en) |
| CZ (1) | CZ336096A3 (en) |
| FI (1) | FI964626A (en) |
| HU (1) | HUT77823A (en) |
| IL (1) | IL113721A (en) |
| NO (1) | NO964740L (en) |
| NZ (1) | NZ285321A (en) |
| PL (1) | PL317223A1 (en) |
| RU (1) | RU2138592C1 (en) |
| SK (1) | SK147396A3 (en) |
| TW (1) | TW279186B (en) |
| WO (1) | WO1995032335A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101370981B (en) * | 2006-01-26 | 2011-07-27 | 日本制纸株式会社 | Paper containing preaggregated filler and process for producing the same |
| CN109629333A (en) * | 2019-01-26 | 2019-04-16 | 邱振权 | A kind of filler pre-treatment method for paper technology |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5643631A (en) * | 1995-03-17 | 1997-07-01 | Minerals Tech Inc | Ink jet recording paper incorporating novel precipitated calcium carbonate pigment |
| US5700352A (en) * | 1996-04-03 | 1997-12-23 | The Procter & Gamble Company | Process for including a fine particulate filler into tissue paper using an anionic polyelectrolyte |
| SE521591C2 (en) * | 1998-11-30 | 2003-11-18 | Sca Res Ab | Method of preparing a particle having coating of interacting polymers and paper or nonwoven product containing the particles |
| SE0001268L (en) * | 2000-04-06 | 2001-10-07 | Sca Hygiene Prod Ab | Process for adsorbing successive thin layers of cationic and anionic polymers onto the surface of particles or groups of particles, and paper or nonwoven product containing such particles or groups of particles |
| JP4799424B2 (en) * | 2003-12-22 | 2011-10-26 | エカ ケミカルズ アクチェボラーグ | Fees for paper making methods |
| JP2005194651A (en) * | 2004-01-05 | 2005-07-21 | Kurita Water Ind Ltd | Method for producing paper and paperboard |
| JP4406882B2 (en) * | 2005-03-18 | 2010-02-03 | ハリマ化成株式会社 | Filler-attached paper and method for producing the same |
| WO2007086497A1 (en) * | 2006-01-26 | 2007-08-02 | Nippon Paper Industries Co., Ltd. | Paper containing preaggregated filler and process for producing the same |
| JP4970467B2 (en) * | 2007-01-26 | 2012-07-04 | ハリマ化成株式会社 | Papermaking additives and fillers |
| CL2008002019A1 (en) | 2007-07-16 | 2009-01-16 | Akzo Nobel Chemicals Int Bv | A filler composition comprising a filler, a cationic inorganic compound, a cationic organic compound, and an anionic polysaccharide; method of preparing said composition; use as an additive for an aqueous cellulosic suspension; procedure for producing paper; and paper. |
| US8088250B2 (en) * | 2008-11-26 | 2012-01-03 | Nalco Company | Method of increasing filler content in papermaking |
| CN102179866A (en) * | 2011-01-26 | 2011-09-14 | 耿世达 | Method for manufacturing environmentally-friendly paper |
| RU2471032C1 (en) * | 2011-05-24 | 2012-12-27 | Открытое акционерное общество "Троицкая бумажная фабрика" (ОАО "ТБФ") | Paper pulp for making paper |
| AR086593A1 (en) | 2011-06-08 | 2014-01-08 | Akzo Nobel Chemicals Int Bv | PROCESS FOR THE PRODUCTION OF PAPER AND CARTON |
| DK2662419T3 (en) * | 2012-05-11 | 2015-09-07 | Omya Int Ag | Charging Cabinet PhCH |
| RU2589671C1 (en) * | 2015-03-17 | 2016-07-10 | Закрытое акционерное общество "Инновационный центр "Бирюч" (ЗАО "ИЦ "Бирюч") | Method of producing hydrophobic and lipophobic paper using microfibrillar cellulose fibres |
| WO2017054198A1 (en) * | 2015-09-30 | 2017-04-06 | Ecolab Usa Inc. | Compositions and methods for treating filler in papermaking |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1347071A (en) * | 1971-07-01 | 1974-02-13 | Starch Products Ltd | Paper fillers |
| GB1425114A (en) * | 1973-03-09 | 1976-02-18 | Ass Portland Cement | Acid resistant whitings for use in the manufacture of paper |
| US5244542A (en) * | 1987-01-23 | 1993-09-14 | Ecc International Limited | Aqueous suspensions of calcium-containing fillers |
| GB8701491D0 (en) * | 1987-01-23 | 1987-02-25 | Ecc Int Ltd | Aqueous suspensions of calcium |
| DE69112239T2 (en) * | 1990-03-08 | 1996-05-02 | Minerals Tech Inc | Filler modified with cationic polymer, process for its production and its use in papermaking. |
-
1995
- 1995-05-14 IL IL11372195A patent/IL113721A/en active IP Right Grant
- 1995-05-16 AU AU24384/95A patent/AU702265B2/en not_active Ceased
- 1995-05-16 BR BR9507737A patent/BR9507737A/en not_active Application Discontinuation
- 1995-05-16 SK SK1473-96A patent/SK147396A3/en unknown
- 1995-05-16 WO PCT/US1995/006013 patent/WO1995032335A1/en not_active Application Discontinuation
- 1995-05-16 CN CN95193166A patent/CN1148877A/en active Pending
- 1995-05-16 CZ CZ963360A patent/CZ336096A3/en unknown
- 1995-05-16 NZ NZ285321A patent/NZ285321A/en unknown
- 1995-05-16 RU RU96124086A patent/RU2138592C1/en active
- 1995-05-16 HU HU9603207A patent/HUT77823A/en unknown
- 1995-05-16 CA CA002190827A patent/CA2190827A1/en not_active Abandoned
- 1995-05-16 PL PL95317223A patent/PL317223A1/en unknown
- 1995-05-16 EP EP95918439A patent/EP0797704A1/en not_active Withdrawn
- 1995-05-16 JP JP7530347A patent/JPH10505883A/en active Pending
- 1995-06-15 TW TW084106138A patent/TW279186B/zh active
-
1996
- 1996-11-08 NO NO964740A patent/NO964740L/en not_active Application Discontinuation
- 1996-11-19 FI FI964626A patent/FI964626A/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101370981B (en) * | 2006-01-26 | 2011-07-27 | 日本制纸株式会社 | Paper containing preaggregated filler and process for producing the same |
| CN109629333A (en) * | 2019-01-26 | 2019-04-16 | 邱振权 | A kind of filler pre-treatment method for paper technology |
Also Published As
| Publication number | Publication date |
|---|---|
| HU9603207D0 (en) | 1997-01-28 |
| NZ285321A (en) | 1998-04-27 |
| FI964626A0 (en) | 1996-11-19 |
| BR9507737A (en) | 1997-08-19 |
| FI964626A (en) | 1996-11-19 |
| IL113721A (en) | 1999-04-11 |
| NO964740L (en) | 1996-12-11 |
| HUT77823A (en) | 1998-08-28 |
| RU2138592C1 (en) | 1999-09-27 |
| CZ336096A3 (en) | 1997-05-14 |
| TW279186B (en) | 1996-06-21 |
| JPH10505883A (en) | 1998-06-09 |
| PL317223A1 (en) | 1997-03-17 |
| AU702265B2 (en) | 1999-02-18 |
| NO964740D0 (en) | 1996-11-08 |
| AU2438495A (en) | 1995-12-18 |
| IL113721A0 (en) | 1995-08-31 |
| SK147396A3 (en) | 1997-08-06 |
| CA2190827A1 (en) | 1995-11-30 |
| EP0797704A1 (en) | 1997-10-01 |
| WO1995032335A1 (en) | 1995-11-30 |
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