WO2022184543A1 - Herstellung von polyurethanschaum - Google Patents
Herstellung von polyurethanschaum Download PDFInfo
- Publication number
- WO2022184543A1 WO2022184543A1 PCT/EP2022/054645 EP2022054645W WO2022184543A1 WO 2022184543 A1 WO2022184543 A1 WO 2022184543A1 EP 2022054645 W EP2022054645 W EP 2022054645W WO 2022184543 A1 WO2022184543 A1 WO 2022184543A1
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- WIPO (PCT)
- Prior art keywords
- acid
- formula
- methyl
- radical
- carbon atoms
- Prior art date
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- 229920005830 Polyurethane Foam Polymers 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims description 24
- 239000011496 polyurethane foam Substances 0.000 title description 10
- 239000000203 mixture Substances 0.000 claims abstract description 69
- 239000003063 flame retardant Substances 0.000 claims abstract description 47
- 239000007787 solid Substances 0.000 claims abstract description 43
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000003054 catalyst Substances 0.000 claims abstract description 19
- 239000004094 surface-active agent Substances 0.000 claims abstract description 19
- 229920001228 polyisocyanate Polymers 0.000 claims abstract description 17
- 239000005056 polyisocyanate Substances 0.000 claims abstract description 17
- 239000004604 Blowing Agent Substances 0.000 claims abstract description 12
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 5
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229920005862 polyol Polymers 0.000 claims description 73
- 150000003077 polyols Chemical class 0.000 claims description 73
- 239000006260 foam Substances 0.000 claims description 67
- -1 alkyl quat Chemical compound 0.000 claims description 66
- 150000001875 compounds Chemical class 0.000 claims description 46
- 239000004814 polyurethane Substances 0.000 claims description 34
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 32
- 125000004432 carbon atom Chemical group C* 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 23
- 229910052739 hydrogen Inorganic materials 0.000 claims description 22
- 239000001257 hydrogen Substances 0.000 claims description 22
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 20
- 150000003856 quaternary ammonium compounds Chemical class 0.000 claims description 18
- 239000004114 Ammonium polyphosphate Substances 0.000 claims description 17
- 235000019826 ammonium polyphosphate Nutrition 0.000 claims description 17
- 229920001276 ammonium polyphosphate Polymers 0.000 claims description 17
- 238000004062 sedimentation Methods 0.000 claims description 17
- 239000000654 additive Substances 0.000 claims description 15
- 150000003254 radicals Chemical class 0.000 claims description 15
- 150000002148 esters Chemical class 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 14
- PUAQLLVFLMYYJJ-UHFFFAOYSA-N 2-aminopropiophenone Chemical compound CC(N)C(=O)C1=CC=CC=C1 PUAQLLVFLMYYJJ-UHFFFAOYSA-N 0.000 claims description 13
- 229940027983 antiseptic and disinfectant quaternary ammonium compound Drugs 0.000 claims description 13
- 229920000877 Melamine resin Polymers 0.000 claims description 12
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 12
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 12
- 229920006395 saturated elastomer Polymers 0.000 claims description 12
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 10
- 239000003381 stabilizer Substances 0.000 claims description 8
- 125000001931 aliphatic group Chemical group 0.000 claims description 7
- XDOFQFKRPWOURC-UHFFFAOYSA-N 16-methylheptadecanoic acid Chemical compound CC(C)CCCCCCCCCCCCCCC(O)=O XDOFQFKRPWOURC-UHFFFAOYSA-N 0.000 claims description 6
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 5
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 5
- ZQPPMHVWECSIRJ-MDZDMXLPSA-N elaidic acid Chemical compound CCCCCCCC\C=C\CCCCCCCC(O)=O ZQPPMHVWECSIRJ-MDZDMXLPSA-N 0.000 claims description 5
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 5
- CUXYLFPMQMFGPL-BGDVVUGTSA-N (9Z,11E,13Z)-octadecatrienoic acid Chemical compound CCCC\C=C/C=C/C=C\CCCCCCCC(O)=O CUXYLFPMQMFGPL-BGDVVUGTSA-N 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 4
- MBMBGCFOFBJSGT-KUBAVDMBSA-N all-cis-docosa-4,7,10,13,16,19-hexaenoic acid Chemical compound CC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CCC(O)=O MBMBGCFOFBJSGT-KUBAVDMBSA-N 0.000 claims description 4
- DTOSIQBPPRVQHS-PDBXOOCHSA-N alpha-linolenic acid Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC(O)=O DTOSIQBPPRVQHS-PDBXOOCHSA-N 0.000 claims description 4
- YZXBAPSDXZZRGB-DOFZRALJSA-N arachidonic acid Chemical compound CCCCC\C=C/C\C=C/C\C=C/C\C=C/CCCC(O)=O YZXBAPSDXZZRGB-DOFZRALJSA-N 0.000 claims description 4
- 239000000306 component Substances 0.000 claims description 4
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 4
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 claims description 4
- 229930195729 fatty acid Natural products 0.000 claims description 4
- 239000000194 fatty acid Substances 0.000 claims description 4
- 150000004665 fatty acids Chemical class 0.000 claims description 4
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 claims description 4
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 claims description 4
- 239000011541 reaction mixture Substances 0.000 claims description 4
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-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
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 3
- 239000005642 Oleic acid Substances 0.000 claims description 3
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 229960001927 cetylpyridinium chloride Drugs 0.000 claims description 3
- YMKDRGPMQRFJGP-UHFFFAOYSA-M cetylpyridinium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCC[N+]1=CC=CC=C1 YMKDRGPMQRFJGP-UHFFFAOYSA-M 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 229910021653 sulphate ion Inorganic materials 0.000 claims description 3
- GWHCXVQVJPWHRF-KTKRTIGZSA-N (15Z)-tetracosenoic acid Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCCCC(O)=O GWHCXVQVJPWHRF-KTKRTIGZSA-N 0.000 claims description 2
- DQGMPXYVZZCNDQ-KBPWROHVSA-N (8E,10E,12Z)-octadecatrienoic acid Chemical compound CCCCC\C=C/C=C/C=C/CCCCCCC(O)=O DQGMPXYVZZCNDQ-KBPWROHVSA-N 0.000 claims description 2
- 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 2
- SLRMQYXOBQWXCR-UHFFFAOYSA-N 2154-56-5 Chemical compound [CH2]C1=CC=CC=C1 SLRMQYXOBQWXCR-UHFFFAOYSA-N 0.000 claims description 2
- PIFPCDRPHCQLSJ-WYIJOVFWSA-N 4,8,12,15,19-Docosapentaenoic acid Chemical compound CC\C=C\CC\C=C\C\C=C\CC\C=C\CC\C=C\CCC(O)=O PIFPCDRPHCQLSJ-WYIJOVFWSA-N 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 2
- DPUOLQHDNGRHBS-UHFFFAOYSA-N Brassidinsaeure Natural products CCCCCCCCC=CCCCCCCCCCCCC(O)=O DPUOLQHDNGRHBS-UHFFFAOYSA-N 0.000 claims description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 claims description 2
- PIFPCDRPHCQLSJ-UHFFFAOYSA-N Clupanodonic acid Natural products CCC=CCCC=CCC=CCCC=CCCC=CCCC(O)=O PIFPCDRPHCQLSJ-UHFFFAOYSA-N 0.000 claims description 2
- URXZXNYJPAJJOQ-UHFFFAOYSA-N Erucic acid Natural products CCCCCCC=CCCCCCCCCCCCC(O)=O URXZXNYJPAJJOQ-UHFFFAOYSA-N 0.000 claims description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-M Glycolate Chemical compound OCC([O-])=O AEMRFAOFKBGASW-UHFFFAOYSA-M 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical compound CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 claims description 2
- 239000005639 Lauric acid Substances 0.000 claims description 2
- AFVFQIVMOAPDHO-UHFFFAOYSA-M Methanesulfonate Chemical compound CS([O-])(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-M 0.000 claims description 2
- XJXROGWVRIJYMO-SJDLZYGOSA-N Nervonic acid Natural products O=C(O)[C@@H](/C=C/CCCCCCCC)CCCCCCCCCCCC XJXROGWVRIJYMO-SJDLZYGOSA-N 0.000 claims description 2
- 235000021314 Palmitic acid Nutrition 0.000 claims description 2
- AWMVMTVKBNGEAK-UHFFFAOYSA-N Styrene oxide Chemical compound C1OC1C1=CC=CC=C1 AWMVMTVKBNGEAK-UHFFFAOYSA-N 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 2
- HXWJFEZDFPRLBG-UHFFFAOYSA-N Timnodonic acid Natural products CCCC=CC=CCC=CCC=CCC=CCCCC(O)=O HXWJFEZDFPRLBG-UHFFFAOYSA-N 0.000 claims description 2
- UWHZIFQPPBDJPM-FPLPWBNLSA-M Vaccenic acid Natural products CCCCCC\C=C/CCCCCCCCCC([O-])=O UWHZIFQPPBDJPM-FPLPWBNLSA-M 0.000 claims description 2
- 235000021322 Vaccenic acid Nutrition 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 150000007513 acids Chemical class 0.000 claims description 2
- JAZBEHYOTPTENJ-JLNKQSITSA-N all-cis-5,8,11,14,17-icosapentaenoic acid Chemical compound CC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CCCC(O)=O JAZBEHYOTPTENJ-JLNKQSITSA-N 0.000 claims description 2
- 235000020661 alpha-linolenic acid Nutrition 0.000 claims description 2
- 235000021342 arachidonic acid Nutrition 0.000 claims description 2
- 229940114079 arachidonic acid Drugs 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 2
- KJDZDTDNIULJBE-QXMHVHEDSA-N cetoleic acid Chemical compound CCCCCCCCCC\C=C/CCCCCCCCCC(O)=O KJDZDTDNIULJBE-QXMHVHEDSA-N 0.000 claims description 2
- GWHCXVQVJPWHRF-UHFFFAOYSA-N cis-tetracosenoic acid Natural products CCCCCCCCC=CCCCCCCCCCCCCCC(O)=O GWHCXVQVJPWHRF-UHFFFAOYSA-N 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
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- 238000001816 cooling Methods 0.000 claims description 2
- 235000020669 docosahexaenoic acid Nutrition 0.000 claims description 2
- 229940090949 docosahexaenoic acid Drugs 0.000 claims description 2
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- 229960005135 eicosapentaenoic acid Drugs 0.000 claims description 2
- DPUOLQHDNGRHBS-KTKRTIGZSA-N erucic acid Chemical compound CCCCCCCC\C=C/CCCCCCCCCCCC(O)=O DPUOLQHDNGRHBS-KTKRTIGZSA-N 0.000 claims description 2
- KIWBPDUYBMNFTB-UHFFFAOYSA-M ethyl sulfate Chemical compound CCOS([O-])(=O)=O KIWBPDUYBMNFTB-UHFFFAOYSA-M 0.000 claims description 2
- LQJBNNIYVWPHFW-QXMHVHEDSA-N gadoleic acid Chemical compound CCCCCCCCCC\C=C/CCCCCCCC(O)=O LQJBNNIYVWPHFW-QXMHVHEDSA-N 0.000 claims description 2
- VZCCETWTMQHEPK-UHFFFAOYSA-N gamma-Linolensaeure Natural products CCCCCC=CCC=CCC=CCCCCC(O)=O VZCCETWTMQHEPK-UHFFFAOYSA-N 0.000 claims description 2
- VZCCETWTMQHEPK-QNEBEIHSSA-N gamma-linolenic acid Chemical compound CCCCC\C=C/C\C=C/C\C=C/CCCCC(O)=O VZCCETWTMQHEPK-QNEBEIHSSA-N 0.000 claims description 2
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- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 claims description 2
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- ZQKXQUJXLSSJCH-UHFFFAOYSA-N melamine cyanurate Chemical compound NC1=NC(N)=NC(N)=N1.O=C1NC(=O)NC(=O)N1 ZQKXQUJXLSSJCH-UHFFFAOYSA-N 0.000 claims description 2
- JZMJDSHXVKJFKW-UHFFFAOYSA-M methyl sulfate(1-) Chemical compound COS([O-])(=O)=O JZMJDSHXVKJFKW-UHFFFAOYSA-M 0.000 claims description 2
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- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 claims description 2
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- WBHHMMIMDMUBKC-XLNAKTSKSA-N ricinelaidic acid Chemical compound CCCCCC[C@@H](O)C\C=C\CCCCCCCC(O)=O WBHHMMIMDMUBKC-XLNAKTSKSA-N 0.000 claims description 2
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- FEUQNCSVHBHROZ-UHFFFAOYSA-N ricinoleic acid Natural products CCCCCCC(O[Si](C)(C)C)CC=CCCCCCCCC(=O)OC FEUQNCSVHBHROZ-UHFFFAOYSA-N 0.000 claims description 2
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- UWHZIFQPPBDJPM-BQYQJAHWSA-N trans-vaccenic acid Chemical compound CCCCCC\C=C\CCCCCCCCCC(O)=O UWHZIFQPPBDJPM-BQYQJAHWSA-N 0.000 claims description 2
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- 150000002431 hydrogen Chemical class 0.000 claims 10
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- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 3
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- PCHXZXKMYCGVFA-UHFFFAOYSA-N 1,3-diazetidine-2,4-dione Chemical compound O=C1NC(=O)N1 PCHXZXKMYCGVFA-UHFFFAOYSA-N 0.000 description 2
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Classifications
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/14—Manufacture of cellular products
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0028—Use of organic additives containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4829—Polyethers containing at least three hydroxy groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/22—Catalysts containing metal compounds
- C08G18/225—Catalysts containing metal compounds of alkali or alkaline earth metals
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- C—CHEMISTRY; METALLURGY
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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Definitions
- the present invention is in the field of polyurethanes, particularly polyurethane foams.
- polyurethane foams particularly polyurethane foams.
- it relates to the production of rigid polyurethane foams using solid flame retardants and surfactants based on quaternary ammonium compounds, such as ester quats and/or alkyl quats, compositions for producing such foams, and also the use of these foams.
- rigid polyurethane foams are rigid polyurethane foams.
- polyurethane is understood to mean in particular a product obtainable by reaction of polyisocyanates and polyols or compounds having isocyanate-reactive groups.
- other functional groups can also be formed, such as uretdiones, carbodiimides, isocyanurates, allophanates, biurets, ureas and/or uretimines.
- PU is therefore understood to mean both polyurethane and polyisocyanurate, polyureas and polyisocyanate reaction products containing uretdione, carbodiimide, allophanate, biuret and uretimine groups.
- polyurethane foam is understood to mean foam which is obtained as a reaction product based on polyisocyanates and polyols or compounds with isocyanate-reactive groups.
- other functional groups can also be formed, such as allophanates, biurets, ureas, carbodiimides, uretdiones, isocyanurates or uretimines.
- Flame retardants are substances that are known per se and are used to limit, slow down or prevent the spread of fires.
- the known prior art describes corresponding flame retardants which have flame-retardant properties and are suitable for use in the PU foam sector.
- solid flame retardants such as ammonium polyphosphate (APP) have also been increasingly used in the production of PU rigid foam because they have ecological and toxicological advantages over liquid flame retardants that often contain halogens, such as tris(2-chloroisopropyl)phosphate (TCCP). .
- TCCP tris(2-chloroisopropyl)phosphate
- the liquid flame retardants are much easier to process.
- the use of solids brings significant problems in terms of dispersion in the liquid raw materials and with the processing itself. This includes, among other things, sedimentation, redispersion after sedimentation, inhomogeneous distribution in the PU rigid foam and, above all, a resulting inhomogeneous property profile of the PU foams produced in this way.
- dispersing additives to overcome these problems, but so far without really convincing results.
- the use of dispersing additives has always been accompanied by a sharp increase in the viscosity of the components, which makes processing significantly more difficult or even impossible.
- the specific object of the present invention was to make it possible to provide PU rigid foams which contain solid flame retardants, but to overcome the above-mentioned problems of sedimentation, redispersion after sedimentation, and inhomogeneous distribution in the foam, in particular while avoiding excessive distribution Increase in the viscosity of the components.
- the subject of the invention is a composition for the production of PU rigid foam, comprising at least one polyisocyanate component, at least one polyol component, blowing agent, solid flame retardant, optionally a catalyst which catalyzes the formation of a urethane or isocyanurate bond, the composition having at least a surfactant based on quaternary ammonium compounds, such as ester quat or alkyl quat or amidoamine quat or imidazolinium quat.
- the subject of the invention is associated with a variety of advantages. It enables the provision of rigid PU foams with good flame retardant properties. This is advantageously made possible without impairing the other properties of the foam, in particular its mechanical properties. With a view to the provision of PU rigid foams, particularly fine-lined, uniform and low-defect foam structures are also made possible. This makes it possible to provide corresponding PU foams with particularly good performance properties and a homogeneous profile of properties.
- the invention enables a particularly homogeneous Distribution of solid flame retardants in polyurethane foam. It also makes it possible, if desired, to add a particularly large amount of solid flame retardants to the polyurethane foam. Overall, the invention enables simple processing of the solid flame retardants in the context of foam production.
- the solid flame retardants can be introduced into the reaction mixture very easily together with the surfactant based on quaternary ammonium compounds, such as preferably ester quat and/or alkyl quat, for example via one of the two reaction components (polyol component or polyisocyanate component). Introduction via the polyol component is preferred. Sedimentation problems during storage of the dispersion of reaction component and solid can be significantly reduced or even avoided by the present invention.
- the invention also enables very good redispersibility of the solid in the event of sedimentation after very long storage, so that constant stirring or mixing during storage, for example, is no longer necessary.
- the invention also enables a more homogeneous distribution of the solids in the polyurethane foam, which leads to a more uniform profile of properties.
- Amidoamine quats, imidazolinium quats, cetylpyridinium chloride and/or alkyl quats are known per se to those skilled in the art.
- ester quats and alkyl quats are surfactants based on quaternary ammonium compounds with at least one long hydrocarbon radical.
- alkyl quats are generally tetraalkyl ammonium salts
- ester quats are generally based on quaternary triethanol-methyl ammonium or quaternary diethanol-dimethyl ammonium compounds which have been esterified with at least one fatty acid.
- Alkyl quats and ester quats have long been used in cosmetics or detergents and cleaning agents, e.g. fabric softeners, and their production has long been known to those skilled in the art.
- Alkyl quats can be prepared, for example, by reacting the corresponding amine with methylating agents such as chloromethane or dimethyl sulfate.
- Esterquats can be produced, for example, by esterification of methyldiethanolamine or triethanolamine with fatty acids and subsequent quaternization with, for example, dimethyl sulfate or chloromethane.
- compositions which contain corresponding quaternary ammonium compounds show particularly advantageous results with regard to the advantages according to the invention described above.
- R 1 is selected from the acyl radicals of the acids from the group comprising oleic acid, isostearic acid, lauric acid, palmitic acid, elaidic acid, vaccenic acid, gadoleic acid, Icosenic acid, cetolic acid, erucic acid, nervonic acid, linoleic acid, alpha-linolenic acid, gamma-linolenic acid, calendulic acid, punicic acid, alpha-elaeostearic acid, beta-elaeostearic acid, arachidonic acid, timnodonic acid, clupanodonic acid and/or cervonic acid.
- a composition according to the invention containing at least one counter-anion to the compound of the general formula (1), (2), (3), (4) and/or (5) selected from the group comprising chloride, bromide, iodide, alkyl sulfate, for example methyl sulfate, Ethyl sulphate, alkyl sulphonate, for example methyl sulphonate, triflate, tosylate, phosphate, sulphate, hydrogen sulphate, lactate, glycolate, acetate and/or citrate corresponds to a further particularly preferred embodiment of the invention.
- composition according to the invention necessarily contains at least one solid flame retardant.
- Solid flame retardants which can be used in PU rigid foams are also known per se and the present invention is also not restricted in the selection of the solid flame retardants.
- certain solid flame retardants are used in the composition according to the invention, so that it preferably comprises melamine, melamine cyanurate and/or phosphorus-based flame retardants such as ammonium polyphosphate or red phosphorus.
- melamine melamine cyanurate
- phosphorus-based flame retardants such as ammonium polyphosphate or red phosphorus.
- APP ammonium polyphosphate
- the composition according to the invention contains a mixture of ammonium polyphosphate and melamine or ammonium polyphosphate with a melamine coating or shell or means as a solid flame retardant Contains melamine or melamine-formaldehyde resin microencapsulated ammonium polyphosphate.
- the solid flame retardant is contained in the composition according to the invention in a total amount of 1 to 60 parts, preferably 5 to 50 parts, particularly preferably 8 to 30 parts, based on 100 parts of polyols.
- the composition according to the invention additionally contains at least one foam stabilizer, preferably based on a polyethersiloxane, in amounts of 0.5 to 4 parts, based on 100 parts of polyols.
- Foam stabilizers preferably based on a polyether siloxane, are known per se. Suitable foam stabilizers are described below.
- Another subject of the invention is a process for the production of PU rigid foams, based on foamable reaction mixtures containing polyisocyanates, at least one polyol component, blowing agent, solid flame retardant, optionally a catalyst and optionally other additives, with at least one surfactant based on quaternary ammonium compounds, preferably as described above, preferably using a composition according to the invention as described above, in particular as described in more detail above in the preferred embodiments.
- the process according to the invention for producing PU foams can be carried out by known methods, for example by hand mixing or preferably with the aid of foaming machines. If the process is carried out using foaming machines, high-pressure or low-pressure machines can be used.
- the process according to the invention can be carried out either batchwise or continuously.
- a particularly preferred PU rigid foam formulation within the meaning of this invention results in a density of 5 to 900 kg/m 3 and has the composition given in Table 1, which corresponds to a preferred embodiment of the invention:
- composition of a preferred PU rigid foam formulation For further preferred embodiments and configurations of the method according to the invention, reference is also made to the statements made above in connection with the composition according to the invention.
- a further subject matter of the present invention is a PU rigid foam, produced by the aforementioned method according to the invention, in particular using a composition according to the invention.
- the PU foam according to the invention in particular PU rigid foam, has a density of 5 to 900 kg/m 3 , preferably 5 to 350 kg/m 3 , in particular 10 to 200 kg/m 3 , this is a preferred embodiment of the invention .
- Another subject of the present invention relates to the use of PU rigid foam according to the invention, as mentioned above, as insulating material and/or as a construction material, in particular in construction applications, in particular in spray foam or in the cooling area, as acoustic foam for sound absorption, as packaging foam, as headliner for automobiles or pipe coatings for tubes.
- surfactants based on quaternary ammonium compounds in particular as defined above with formula (1), (2), (3), (4) and / or (5), in the production of solid flame retardant-containing rigid PU foams, in particular under Use of a composition according to the invention, in particular as defined in one of the claims, represents a further subject matter of the invention.
- Surfactants based on quaternary ammonium compounds such as ester quats and/or alkyl quats, are preferably used as dispersing additives in the production of PUs containing solid flame retardants -Rigid foams, in particular for improving the dispersibility, redispersibility and/or sedimentation stability of solid flame retardants in compositions for the production of PU rigid foam.
- a preferred composition according to the invention contains the following components: a) surfactant(s) based on quaternary ammonium compounds, in particular as defined above with formula (1), (2), (3), (4) and/or (5) b) isocyanate -reactive components, in particular polyols c) at least one polyisocyanate and/or polyisocyanate prepolymer d) a catalyst which accelerates or controls the reaction of polyols b) with the isocyanates c) e) optionally foam stabilizer f) one or more blowing agents g ) solid flame retardant h) optional other additives, fillers, liquid flame retardants, etc.
- Polyols suitable as isocyanate-reactive component or polyol component b) for the purposes of the present invention are all organic substances having two or more isocyanate-reactive groups, preferably OH groups, and preparations thereof.
- Preferred polyols are all polyether polyols and/or polyester polyols and/or hydroxyl-containing aliphatic polycarbonates commonly used for the production of polyurethane systems, in particular polyurethane coatings, polyurethane elastomers or in particular PU foams, in particular polyether polycarbonate polyols and/or polyols of natural origin, so-called “natural oil-based polyols” (NOPs).
- the polyols usually have a functionality of 1.8 to 8 and number-average molecular weights in the range from 500 to 15,000. Polyols with OH numbers in the range from 10 to 1200 mg KOH/g are usually used.
- Polyols or mixtures thereof are preferably used to produce PU rigid foams, with the proviso that at least 90 parts by weight of the polyols present, based on 100 parts by weight of polyol component, have an OH number greater than 100, preferably greater than 150, in particular greater than 200 exhibit.
- the basic difference between flexible foam and rigid foam is that flexible foam shows elastic behavior and can be reversibly deformed. If the flexible foam is deformed by the application of force, it returns to its original shape as soon as the application of force is removed. Hard foam, on the other hand, is permanently deformed.
- rigid PU foam is understood to mean, in particular, a foam according to DIN 7726:1982-05, which preferably has a compressive strength according to DIN 53 421/DIN EN ISO 604:2003-12 of advantageously ⁇ 20 kPa, preferably ⁇ 80 kPa ⁇ 100 kPa, more preferably ⁇ 150 kPa, particularly preferably ⁇ 180 kPa.
- the rigid PU foam advantageously has a closed-cell content of greater than 50%, preferably greater than 80% and particularly preferably greater than 90%.
- Polyether polyols can be prepared by known methods, for example by anionic polymerization of alkylene oxides in the presence of alkali metal hydroxides, alkali metal alcoholates or amines as catalysts and with the addition of at least one starter molecule that preferably contains 2 or 3 reactive hydrogen atoms or by cationic polymerization of alkylene oxides in the presence of Lewis -Acids such as antimony pentachloride or boron trifluoride etherate or by double metal cyanide catalysis.
- Suitable alkylene oxides contain 2 to 4 carbon atoms in the alkylene radical.
- Examples are tetrahydrofuran, 1,3-propylene oxide, 1,2- or 2,3-butylene oxide; ethylene oxide and 1,2-propylene oxide are preferably used.
- the alkylene oxides can be used individually, cumulatively, in blocks, alternately one after the other, or as mixtures.
- compounds with at least 2, preferably 2 to 8, hydroxyl groups or with at least two primary amino groups in the molecule are used as starter molecules.
- starter molecules examples include water, di-, tri- or tetrahydric alcohols such as ethylene glycol, 1,2- and 1,3-propanediol, diethylene glycol, dipropylene glycol, glycerol, trimethylolpropane, pentaerythritol, castor oil, etc., higher polyfunctional polyols, in particular sugar compounds such as glucose, sorbitol, mannitol and sucrose, polyhydric phenols, resols, such as oligomeric condensation products of phenol and Formaldehyde and Mannich condensates from phenols, formaldehyde and dialkanolamines and melamine, or amines such as aniline, EDA, TDA, MDA and PMDA, particularly preferably TDA and PMDA.
- the selection of the suitable starter molecule depends on the respective field of application of the resulting polyether polyol in the production of polyurethane.
- Polyester polyols are based on esters of polybasic aliphatic or aromatic carboxylic acids, preferably having 2 to 12 carbon atoms.
- aliphatic carboxylic acids are succinic acid, glutaric acid, adipic acid, suberic acid, azelaic acid, sebacic acid, decanedioic acid, maleic acid and fumaric acid.
- aromatic carboxylic acids are phthalic acid, isophthalic acid, terephthalic acid and the isomeric naphthalenedicarboxylic acids.
- polyester polyols are obtained by condensing these polybasic carboxylic acids with polyhydric alcohols, preferably diols or triols having 2 to 12, particularly preferably 2 to 6, carbon atoms, preferably trimethylolpropane and glycerol.
- Polyether polycarbonate polyols are polyols containing carbon dioxide bound as a carbonate. Since carbon dioxide is produced in large quantities as a by-product in many processes in the chemical industry, the use of carbon dioxide as a comonomer in alkylene oxide polymerizations is of particular commercial interest. Partial replacement of alkylene oxides in polyols with carbon dioxide has the potential to significantly reduce the cost of polyol production. In addition, the use of CO as a comonomer is ecologically very advantageous, since this reaction represents the conversion of a greenhouse gas into a polymer. The production of polyether polycarbonate polyols by addition of alkylene oxides and carbon dioxide onto H-functional starter substances using catalysts has been known for a long time.
- the first generation represented heterogeneous zinc or aluminum salts, as described, for example, in US Pat. No. 3,900,424 or US Pat. No. 3,953,383.
- mono- and binuclear metal complexes have been used successfully for the copolymerization of CO 2 and alkylene oxides (WO 2010/028362, WO 2009/130470, WO 2013/022932 or WO 2011/163133).
- the most important class of catalyst systems for the copolymerization of carbon dioxide and alkylene oxides are the double metal cyanide catalysts, also referred to as DMC catalysts (US-A 4500704, WO 2008/058913).
- Suitable alkylene oxides and H-functional starter substances are those which are also used for the preparation of carbonate-free polyether polyols, as described above.
- Natural oil-based polyols for the production of PU foams are limited in view of their long-term availability fossil resources, namely oil, coal and gas, and against the background of rising crude oil prices of increasing interest and already widely described in such applications (WO 2005/033167; US 2006/0293400, WO 2006/094227, WO 2004/096882, US 2002/ 0103091, WO 2006/116456 and EP 1678232).
- a number of these polyols from various manufacturers are now available on the market (WO 2004/020497, US 2006/0229375, WO 2009/058367).
- the basic raw material e.g.
- soybean oil, palm oil or castor oil and the subsequent processing, polyols with different properties result.
- the so-called packed polyols represent a further class of usable polyols. These are characterized in that they contain solid organic fillers up to a solids content of 40% or more in disperse distribution.
- SAN, PHD and PIPA polyols can be used.
- SAN polyols are highly reactive polyols containing a dispersed styrene/acrylonitrile (SAN)-based copolymer.
- PHD polyols are highly reactive polyols which also contain polyurea in dispersed form.
- PIPA polyols are highly reactive polyols containing a polyurethane in dispersed form, e.g., formed by the in situ reaction of an isocyanate with an alkanolamine in a conventional polyol.
- a further class of polyols which can be used are those which are obtained as prepolymers by reacting polyol with isocyanate in a molar ratio of preferably 100:1 to 5:1, preferably 50:1 to 10:1.
- prepolymers are preferably prepared as a solution in the polymer, with the polyol preferably corresponding to the polyol used to produce the prepolymers.
- recycling polyols Another class of polyols that can be used are so-called recycling polyols, ie polyols that are obtained from the recycling of polyurethanes. Recycling polyols are known per se. In this way, polyurethanes can be split by solvolysis and thus brought into a soluble form. Almost all chemical recycling processes for polyurethanes use such reactions, e.g. B. glycolysis, hydrolysis, acidolysis or aminolysis, with a variety of process variants known in the art are. The use of recycling polyols represents a preferred embodiment of the invention.
- a preferred ratio of isocyanate and polyol, expressed as the formulation index, i.e. as the stoichiometric ratio of isocyanate groups to isocyanate-reactive groups (e.g. OH groups, NH groups) multiplied by 100, is in the range of 10 to 1000, preferred 40 to 400.
- An index of 100 represents a molar ratio of the reactive groups of 1 to 1.
- One or more organic polyisocyanates having two or more isocyanate functions are preferably used as isocyanate components or polyisocyanate components c).
- One or more polyols having two or more isocyanate-reactive groups, preferably OH groups, are preferably used as polyol components.
- Isocyanates suitable as isocyanate components for the purposes of this invention are all isocyanates which contain at least two isocyanate groups.
- all aliphatic, cycloaliphatic, arylaliphatic and preferably aromatic polyfunctional isocyanates known per se can be used.
- Isocyanates are particularly preferably used in a range from 40 to 400 mol % relative to the sum of the isocyanate-consuming components.
- alkylene diisocyanates having 4 to 12 carbon atoms in the alkylene radical such as 1,12-dodecane diisocyanate, 2-ethyltetramethylene 1,4-diisocyanate, 2-methylpentamethylene 1,5-diisocyanate, tetramethylene 1,4-diisocyanate and preferably hexamethylene diisocyanate -1,6 (HMDI), cycloaliphatic diisocyanates such as cyclohexane-1,3- and 1-4-diisocyanate and any mixtures of these isomers, 1-isocyanato-3,35-trimethyl-5-isocyanatomethylcyclohexane (isophorone diisocyanate or IPDI for short), 2,4- and 2,6-hexahydrotoluylene diisocyanate and the corresponding isomer mixtures, and preferably aromatic di- and polyisocyanates, such as 2,4-
- the organic di- and polyisocyanates can be used individually or in the form of their mixtures.
- Corresponding “oligomers” of the diisocyanates can also be used (IPDI trimer based on isocyanurate, biurete-urethdione.) It is also possible to use prepolymers based on the isocyanates mentioned above. It is also possible to use isocyanates which have been modified by the incorporation of urethane, uretdione, isocyanurate, allophanate and other groups, so-called modified isocyanates.
- Particularly suitable organic polyisocyanates and therefore particularly preferably used are various isomers of toluene diisocyanate (2,4- and 2,6-toluene diisocyanate (TDI), in pure form or as isomer mixtures of different composition), 4,4'-diphenylmethane diisocyanate (MDI), that so-called “crude MDI” or “polymeric MDI” (contains not only the 4,4'- but also the 2,4'- and 2,2'-isomers of MDI and polynuclear products) as well as the binuclear product referred to as "pure MDI". from predominantly 2,4'- and 4,4'-isomer mixtures or their prepolymers.
- TDI 2,4- and 2,6-toluene diisocyanate
- MDI 4,4'-diphenylmethane diisocyanate
- Suitable catalysts d) for the purposes of the present invention are all compounds which are able to accelerate the reaction of isocyanates with OH functions, NH functions or other isocyanate-reactive groups.
- the usual catalysts known from the prior art can be used here, including, for example, amines (cyclic, acyclic; monoamines, diamines, oligomers with one or more amino groups), ammonium compounds, organometallic compounds and/or metal salts, preferably those of tin , iron, bismuth, potassium and/or zinc.
- amines cyclic, acyclic; monoamines, diamines, oligomers with one or more amino groups
- ammonium compounds preferably those of tin , iron, bismuth, potassium and/or zinc.
- mixtures of several components can be used as catalysts.
- Foam stabilizers can be used as optional component e), in particular surface-active silicon-containing compounds. These can optionally be used to further optimize the desired cell structure and the foaming process. Within the scope of this invention, it is possible in particular to use all Si-containing compounds which support foam production (stabilization, cell regulation, cell opening, etc.). These compounds are well known from the prior art. At least one foam stabilizer based on a polyethersiloxane can particularly preferably be used.
- siloxane structures that can be used for the purposes of this invention are described, for example, in the following patent specifications, although the use there is only in classic PU foams, as molded foam, mattresses, insulation material, construction foam, etc.:
- blowing agents f is basically optional, preferably obligatory, depending on which foaming process is used. Chemical and physical blowing agents can be used. The choice of propellant depends heavily on the type of system.
- a high or low density foam is produced.
- foams with densities of 5 kg/m 3 to 900 kg/m 3 can be produced.
- Preferred densities are 5 to 350, particularly preferably 10 to 200 kg/m 3 , in particular 20 to 150 kg/m 3 .
- Corresponding compounds with suitable boiling points can be used as physical blowing agents.
- Chemical blowing agents that react with NCO groups and release gases, such as water or formic acid, can also be used.
- Particularly preferred blowing agents for the purposes of this invention include hydrocarbons having 3, 4 or 5 carbon atoms, hydrofluoroolefins (HFO), hydrohaloolefins and/or water.
- Optional additives h) can be any substances known from the prior art which are used in the production of polyurethanes, in particular PU foams, such as crosslinkers and chain extenders, stabilizers against oxidative degradation (so-called antioxidants), liquid flame retardants, biocides, cell refining additives, cell openers, solid fillers, antistatic additives, nucleating agents, thickeners, dyes, pigments, color pastes, fragrances and/or emulsifiers, etc.
- the composition according to the invention can have all known liquid flame retardants suitable for the production of polyurethane foams.
- Suitable optional liquid flame retardants within the meaning of this invention are preferred liquid organic phosphorus compounds such as halogen-free organic phosphates, e.g. triethyl phosphate (TEP), halogenated phosphates, e.g. tris(1-chloro-2-propyl) phosphate (TCPP) and tris(2-chloroethyl) phosphate (TCEP) and/or organic phosphonates, eg dimethyl methane phosphonate (DMMP) or dimethyl propane phosphonate (DMPP).
- optionally usable liquid flame retardants are halogenated compounds, for example halogenated polyols.
- the formulations shown in Table 2 were used for the performance comparison.
- 100 g of polyol, depending on the example, catalysts, water and foam stabilizer were weighed out and mixed with a plate stirrer (6 cm diameter) at 1000 rpm for 30 s.
- the compound according to the invention was then added and mixed with a plate stirrer (6 cm diameter) at 2000 rpm for 30 s.
- mixing was also carried out for a further 30 s at 2000 rpm, but without adding the compound according to the invention.
- Ammonium polyphosphate was then added as a solid flame retardant, with the plate stirrer still running at 2000 rpm, and mixed for a further 45 s.
- the formulations were then filled into glass vessels, sealed and the time taken for complete sedimentation was measured.
- Example 1 For the performance comparison, it was checked to what extent the formulations described in Example 1 can be redispersed again. For this purpose, all formulations were stored upright at room temperature for 14 days until the solid had completely sedimented in all of them. All samples were then redispersed and rated on a scale of 1 to 3.
- the grade 1 means that the sample could already be brought back into dispersion by manually shaking the glass vessel for 30 s.
- the grade 2 means that the sample could not be redispersed by shaking it by hand, but could be redispersed again by using an electric laboratory stirrer (500 rpm for 60 s).
- Grade 3 was awarded to samples in which a very solid, compact sediment formed that could not be redispersed using the two methods just mentioned.
- the invention therefore enables very good redispersibility of the solid in the event of sedimentation after very long storage, so that constant stirring or mixing during storage, for example, is no longer necessary.
- a polyester polyol from Stepan (Stepanpol® PS 2352) was selected as the base polyol.
- the formulations described in Table 5 were prepared analogously to the description in Example 1.
- the compound EQ 1 according to the invention described in Example 1 was selected as the ester quat.
- a TEGO® Dispers 1010 from Evonik Operations GmbH was selected as the reference additive for dispersing.
- the viscosity was measured using an Anton Paar MCR 302 rheometer (50 mm plate-plate, 0.5 mm distance) at 25° C. at various shear rates.
- Table 5 Viscosity (parts APP and EQ 1 based on 100 parts polyol)
- ester quat according to the invention increases the viscosity only moderately at low shear rates, while conventional dispersing additives result in a sharp increase in viscosity. At higher shear rates, a significant reduction in viscosity can be achieved compared to conventional dispersing additives. In the present example, a viscosity on the level of the base polyol is even achieved. This brings clear advantages in processing and storage with regard to the requirements of the process technology.
- the comparative foamings were carried out using the hand mixing method.
- polyol, catalysts, water, foam stabilizer, optionally Esterquat EQ 1, ammonium polyphosphate and blowing agent were weighed into a beaker and mixed with a plate stirrer (6 cm diameter) at 1000 rpm for 30 s (batch size 500 g).
- the amount of propellant evaporated during the mixing process was determined by weighing again and replenished.
- the MDI was then added, the reaction mixture was stirred with the described stirrer for 5 s at 3000 rpm and immediately transferred to an aluminum mold measuring 25 cm ⁇ 50 cm ⁇ 7 cm and thermostated at 60° C. and lined with polyethylene film.
- Table 9 Compounds studied The compounds according to the invention were compared with non-inventive, commercially available surfactants (TEGOPREN® 6921, TEGOTEX® 8080, TEGO® Dispers 652, Thixatrol® ST). The results shown in Table 10 with regard to the foam properties were obtained analogously to the procedure described in Example 4.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
Description
Claims
Priority Applications (6)
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JP2023553441A JP2024511293A (ja) | 2021-03-02 | 2022-02-24 | ポリウレタンフォームの製造 |
CA3210253A CA3210253A1 (en) | 2021-03-02 | 2022-02-24 | Production of polyurethane foam |
CN202280018124.5A CN116917366A (zh) | 2021-03-02 | 2022-02-24 | 聚氨基甲酸酯泡沫的制备 |
KR1020237033117A KR20230154044A (ko) | 2021-03-02 | 2022-02-24 | 폴리우레탄 발포체의 제조 |
EP22707736.9A EP4301800A1 (de) | 2021-03-02 | 2022-02-24 | Herstellung von polyurethanschaum |
US18/548,613 US20240182660A1 (en) | 2021-03-02 | 2022-02-24 | Production of polyurethane foam |
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EP21160166.1 | 2021-03-02 | ||
EP21160166 | 2021-03-02 |
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PCT/EP2022/054645 WO2022184543A1 (de) | 2021-03-02 | 2022-02-24 | Herstellung von polyurethanschaum |
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US (1) | US20240182660A1 (de) |
EP (1) | EP4301800A1 (de) |
JP (1) | JP2024511293A (de) |
KR (1) | KR20230154044A (de) |
CN (1) | CN116917366A (de) |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2024046954A1 (de) * | 2022-08-31 | 2024-03-07 | Evonik Operations Gmbh | Herstellung von polyurethanschaum |
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2022
- 2022-02-24 WO PCT/EP2022/054645 patent/WO2022184543A1/de active Application Filing
- 2022-02-24 JP JP2023553441A patent/JP2024511293A/ja active Pending
- 2022-02-24 CN CN202280018124.5A patent/CN116917366A/zh active Pending
- 2022-02-24 KR KR1020237033117A patent/KR20230154044A/ko unknown
- 2022-02-24 US US18/548,613 patent/US20240182660A1/en active Pending
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EP4301800A1 (de) | 2024-01-10 |
US20240182660A1 (en) | 2024-06-06 |
CN116917366A (zh) | 2023-10-20 |
JP2024511293A (ja) | 2024-03-13 |
CA3210253A1 (en) | 2022-09-09 |
KR20230154044A (ko) | 2023-11-07 |
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