WO2011036018A1 - Monomerarme polyurethanschäume - Google Patents
Monomerarme polyurethanschäume Download PDFInfo
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- WO2011036018A1 WO2011036018A1 PCT/EP2010/062435 EP2010062435W WO2011036018A1 WO 2011036018 A1 WO2011036018 A1 WO 2011036018A1 EP 2010062435 W EP2010062435 W EP 2010062435W WO 2011036018 A1 WO2011036018 A1 WO 2011036018A1
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- 239000000178 monomer Substances 0.000 title claims abstract description 20
- 229920005830 Polyurethane Foam Polymers 0.000 title description 10
- 239000011496 polyurethane foam Substances 0.000 title description 5
- 239000000203 mixture Substances 0.000 claims abstract description 101
- 229920000570 polyether Polymers 0.000 claims abstract description 40
- 125000005442 diisocyanate group Chemical group 0.000 claims abstract description 34
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 29
- 239000012948 isocyanate Substances 0.000 claims abstract description 26
- 229920000728 polyester Polymers 0.000 claims abstract description 26
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 25
- 229920005862 polyol Polymers 0.000 claims abstract description 23
- 150000003077 polyols Chemical class 0.000 claims abstract description 22
- 239000000654 additive Substances 0.000 claims abstract description 12
- 239000003380 propellant Substances 0.000 claims abstract description 7
- 239000006260 foam Substances 0.000 claims description 34
- -1 C 5 alkanes Chemical class 0.000 claims description 17
- 150000002009 diols Chemical class 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 14
- 239000004604 Blowing Agent Substances 0.000 claims description 11
- 239000003054 catalyst Substances 0.000 claims description 8
- 238000002360 preparation method Methods 0.000 claims description 7
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 239000012963 UV stabilizer Substances 0.000 claims description 4
- 239000004872 foam stabilizing agent Substances 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims 3
- 239000000975 dye Substances 0.000 claims 1
- 239000000049 pigment Substances 0.000 claims 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims 1
- 230000000996 additive effect Effects 0.000 abstract description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical class OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 13
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 12
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 11
- 229920005906 polyester polyol Polymers 0.000 description 11
- 239000004014 plasticizer Substances 0.000 description 9
- 229920001451 polypropylene glycol Polymers 0.000 description 9
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 8
- 239000002243 precursor Substances 0.000 description 8
- 239000003063 flame retardant Substances 0.000 description 7
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 6
- 239000000443 aerosol Substances 0.000 description 6
- 150000001298 alcohols Chemical class 0.000 description 6
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
- 239000004814 polyurethane Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 125000004432 carbon atom Chemical group C* 0.000 description 5
- 238000004132 cross linking Methods 0.000 description 5
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 229960004063 propylene glycol Drugs 0.000 description 5
- 235000013772 propylene glycol Nutrition 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- GQHTUMJGOHRCHB-UHFFFAOYSA-N 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine Chemical compound C1CCCCN2CCCN=C21 GQHTUMJGOHRCHB-UHFFFAOYSA-N 0.000 description 4
- 239000005058 Isophorone diisocyanate Substances 0.000 description 4
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 239000006261 foam material Substances 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 4
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 4
- 230000009257 reactivity Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 4
- SBJCUZQNHOLYMD-UHFFFAOYSA-N 1,5-Naphthalene diisocyanate Chemical compound C1=CC=C2C(N=C=O)=CC=CC2=C1N=C=O SBJCUZQNHOLYMD-UHFFFAOYSA-N 0.000 description 3
- 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 description 3
- ZMSQJSMSLXVTKN-UHFFFAOYSA-N 4-[2-(2-morpholin-4-ylethoxy)ethyl]morpholine Chemical compound C1COCCN1CCOCCN1CCOCC1 ZMSQJSMSLXVTKN-UHFFFAOYSA-N 0.000 description 3
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 description 3
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical group CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 3
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 3
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 3
- 239000001361 adipic acid Substances 0.000 description 3
- 235000011037 adipic acid Nutrition 0.000 description 3
- 125000002947 alkylene group Chemical group 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- KORSJDCBLAPZEQ-UHFFFAOYSA-N dicyclohexylmethane-4,4'-diisocyanate Chemical compound C1CC(N=C=O)CCC1CC1CCC(N=C=O)CC1 KORSJDCBLAPZEQ-UHFFFAOYSA-N 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 3
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 2
- NNOZGCICXAYKLW-UHFFFAOYSA-N 1,2-bis(2-isocyanatopropan-2-yl)benzene Chemical compound O=C=NC(C)(C)C1=CC=CC=C1C(C)(C)N=C=O NNOZGCICXAYKLW-UHFFFAOYSA-N 0.000 description 2
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 2
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 2
- 229940035437 1,3-propanediol Drugs 0.000 description 2
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- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 2
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- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 2
- 239000002318 adhesion promoter Substances 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 125000003354 benzotriazolyl group Chemical class N1N=NC2=C1C=CC=C2* 0.000 description 2
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 2
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- 125000000753 cycloalkyl group Chemical group 0.000 description 2
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- 230000036541 health Effects 0.000 description 2
- ACCCMOQWYVYDOT-UHFFFAOYSA-N hexane-1,1-diol Chemical class CCCCCC(O)O ACCCMOQWYVYDOT-UHFFFAOYSA-N 0.000 description 2
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- 150000002430 hydrocarbons Chemical class 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
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- 239000001294 propane Substances 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
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- XMNDMAQKWSQVOV-UHFFFAOYSA-N (2-methylphenyl) diphenyl phosphate Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C=CC=CC=1)OC1=CC=CC=C1 XMNDMAQKWSQVOV-UHFFFAOYSA-N 0.000 description 1
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- ALQLPWJFHRMHIU-UHFFFAOYSA-N 1,4-diisocyanatobenzene Chemical compound O=C=NC1=CC=C(N=C=O)C=C1 ALQLPWJFHRMHIU-UHFFFAOYSA-N 0.000 description 1
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- 150000008366 benzophenones Chemical class 0.000 description 1
- HIFVAOIJYDXIJG-UHFFFAOYSA-N benzylbenzene;isocyanic acid Chemical class N=C=O.N=C=O.C=1C=CC=CC=1CC1=CC=CC=C1 HIFVAOIJYDXIJG-UHFFFAOYSA-N 0.000 description 1
- 239000003139 biocide Substances 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 1
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical class CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920006037 cross link polymer Polymers 0.000 description 1
- NLCKLZIHJQEMCU-UHFFFAOYSA-N cyano prop-2-enoate Chemical class C=CC(=O)OC#N NLCKLZIHJQEMCU-UHFFFAOYSA-N 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- JGFBRKRYDCGYKD-UHFFFAOYSA-N dibutyl(oxo)tin Chemical compound CCCC[Sn](=O)CCCC JGFBRKRYDCGYKD-UHFFFAOYSA-N 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- LSAGDZWAIHKBBR-UHFFFAOYSA-N dimethoxymethyl-[3-[3-(dimethoxymethylsilyl)propoxy]propyl]silane Chemical compound COC(OC)[SiH2]CCCOCCC[SiH2]C(OC)OC LSAGDZWAIHKBBR-UHFFFAOYSA-N 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 1
- LQRUPWUPINJLMU-UHFFFAOYSA-N dioctyl(oxo)tin Chemical compound CCCCCCCC[Sn](=O)CCCCCCCC LQRUPWUPINJLMU-UHFFFAOYSA-N 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- XYIBRDXRRQCHLP-UHFFFAOYSA-N ethyl acetoacetate Chemical compound CCOC(=O)CC(C)=O XYIBRDXRRQCHLP-UHFFFAOYSA-N 0.000 description 1
- 229940093476 ethylene glycol Drugs 0.000 description 1
- 238000002474 experimental method 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
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- VANNPISTIUFMLH-UHFFFAOYSA-N glutaric anhydride Chemical compound O=C1CCCC(=O)O1 VANNPISTIUFMLH-UHFFFAOYSA-N 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000006459 hydrosilylation reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 239000004611 light stabiliser Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 1
- OEIJHBUUFURJLI-UHFFFAOYSA-N octane-1,8-diol Chemical compound OCCCCCCCCO OEIJHBUUFURJLI-UHFFFAOYSA-N 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- UWJJYHHHVWZFEP-UHFFFAOYSA-N pentane-1,1-diol Chemical compound CCCCC(O)O UWJJYHHHVWZFEP-UHFFFAOYSA-N 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 229920001610 polycaprolactone Polymers 0.000 description 1
- 239000004632 polycaprolactone Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- HKJYVRJHDIPMQB-UHFFFAOYSA-N propan-1-olate;titanium(4+) Chemical compound CCCO[Ti](OCCC)(OCCC)OCCC HKJYVRJHDIPMQB-UHFFFAOYSA-N 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical group [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 239000004526 silane-modified polyether Substances 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- 125000003808 silyl group Chemical group [H][Si]([H])([H])[*] 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 150000005846 sugar alcohols Chemical class 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- QHGNHLZPVBIIPX-UHFFFAOYSA-N tin(ii) oxide Chemical class [Sn]=O QHGNHLZPVBIIPX-UHFFFAOYSA-N 0.000 description 1
- 229940042130 topical foam Drugs 0.000 description 1
- 239000006264 topical foam Substances 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 125000005369 trialkoxysilyl group Chemical group 0.000 description 1
- 150000003628 tricarboxylic acids Chemical class 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 1
- ASLWPAWFJZFCKF-UHFFFAOYSA-N tris(1,3-dichloropropan-2-yl) phosphate Chemical compound ClCC(CCl)OP(=O)(OC(CCl)CCl)OC(CCl)CCl ASLWPAWFJZFCKF-UHFFFAOYSA-N 0.000 description 1
- KVMPUXDNESXNOH-UHFFFAOYSA-N tris(1-chloropropan-2-yl) phosphate Chemical compound ClCC(C)OP(=O)(OC(C)CCl)OC(C)CCl KVMPUXDNESXNOH-UHFFFAOYSA-N 0.000 description 1
- HQUQLFOMPYWACS-UHFFFAOYSA-N tris(2-chloroethyl) phosphate Chemical compound ClCCOP(=O)(OCCCl)OCCCl HQUQLFOMPYWACS-UHFFFAOYSA-N 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- AVWRKZWQTYIKIY-UHFFFAOYSA-N urea-1-carboxylic acid Chemical compound NC(=O)NC(O)=O AVWRKZWQTYIKIY-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- 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
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- 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
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- 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
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4205—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups
- C08G18/4208—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups
- C08G18/4211—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups derived from aromatic dicarboxylic acids and dialcohols
- C08G18/4216—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic groups derived from aromatic dicarboxylic acids and dialcohols from mixtures or combinations of aromatic dicarboxylic acids and aliphatic dicarboxylic acids and dialcohols
-
- 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
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/4808—Mixtures of two or more polyetherdiols
-
- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/329—Polymers modified by chemical after-treatment with organic compounds
- C08G65/336—Polymers modified by chemical after-treatment with organic compounds containing silicon
-
- 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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/149—Mixtures of blowing agents covered by more than one of the groups C08J9/141 - C08J9/143
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L71/00—Compositions of polyethers obtained by reactions forming an ether link in the main chain; Compositions of derivatives of such polymers
- C08L71/02—Polyalkylene oxides
-
- 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
- C08G2101/00—Manufacture of cellular products
-
- 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
- C08G2190/00—Compositions for sealing or packing joints
-
- 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
- C08J2207/00—Foams characterised by their intended use
- C08J2207/04—Aerosol, e.g. polyurethane foam spray
-
- 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
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
Definitions
- the invention relates to low-monomer one-component polyurethane foams.
- storage-stable crosslinkable foam precursors are described which have a high reactivity and, when used, give a good formation of the foam material.
- One-component PUR foams are mainly used for sealing and insulating joints in the construction and DIY sector.
- the foam product is applied from an aerosol can and used, for example, for the installation of door and window frames in buildings.
- the one-component PUR foam is solidified by the crosslinking reactions with moisture.
- Modern PU foam compositions normally comprise a prepolymer formed from an isocyanate and a polyol component.
- a high content of monomeric diisocyanates has been necessary to produce a polyurethane foam with sufficient strength and low viscosity. The lower viscosity allows good foamability and fillability of the joint, as well as a satisfactory dosing out of the can at normal temperature.
- the monomeric diisocyanate in conventional foams also contributes significantly to the reactivity of the foam. Therefore, one-component foams have until today a significant content of monomeric diisocyanates.
- WO 02/079292 adhesive polymers which are a prepolymer of an isocyanate component, a polyol and a low viscosity not with isocyanates and OH groups contain reactive component.
- the monomeric diisocyanates in the composition should be less than 2%.
- phosphate esters, adipic esters or phthalic esters are described.
- WO 02/090410 is known. This describes a prepolymer which can be obtained by reacting a polyol having a functionality of ⁇ 3, an isocyanate component having a functionality of 2 to 2.7, and a low molecular weight monohydric alcohol. From this prepolymer PU foams are to be produced.
- the polyol component a list of polyether polyols, polyester polyols, polycaprolactone polyols are enumerated. However, only polyether polyols and low molecular weight ethylene glycols are described in practice.
- WO 2005/054324 is known. This describes prepolymer compositions for the production of PU foams, it being possible for polyisocyanates and polyols to be present.
- the prepolymer is obtained by reaction of asymmetric polyisocyanates with sterically hindered polyols having at least two OH functions.
- a more detailed description of the polyols states that in particular sterically hindered polyethylene glycols with propylene oxide end groups or polypropylene glycols can be used.
- foams can be produced from PU prepolymers based on polyether polyols. These have good properties. However, when these monomers are low in monomer content, the viscosity is so high that these products can often only be used with other diluting substances, such as plasticizers or solvents. Plasticizers or solvents are detrimental to health during processing. Furthermore, they can diffuse out of the crosslinked foam, so that the adhesion to the substrates is adversely affected.
- Polyesterpolyolprepolymere can be used in foam materials. It also shows that in these cases, the materials have a high viscosity. This effect is enhanced even with low-monomer prepolymers. These are therefore not to be used as low-monomer component in foams. In addition, it has been shown that PU foams with only small amounts of isocyanate groups or monomeric Isocyanates do not have sufficient mechanical strength as crosslinked foam.
- a crosslinkable foamable composition with a low content of monomeric isocyanates comprising a) 10 to 90% by weight of a prepolymer of polyester diols reacted with an excess of diisocyanates and subsequent removal of the excess monomeric diisocyanate, b) 90 to 10% by weight a component based on polyethers which has either at least one Si (OR) 3 group or at least two NCO groups, c) 0.1 to 30% by weight of additives, and d) at least one blowing agent, the polyester prepolymers and the Polyether prepolymers have a molecular weight (M N ) below 5000 g / mol and the mixture of a and b contains a content of monomeric diisocyanates below 2 wt .-%.
- M N molecular weight
- a necessary constituent of the composition according to the invention are prepolymers based on polyesters (a). These can be prepared by reaction of polyester polyols with diisocyanates. Suitable polyester polyols are reaction products of polyfunctional, preferably difunctional alcohols, optionally together with small amounts of trifunctional alcohols, and polyfunctional, preferably difunctional and / or trifunctional carboxylic acids. Instead of free polycarboxylic acids, it is also possible to use the corresponding polycarboxylic anhydrides or corresponding polycarboxylic acid esters with alcohols having preferably 1 to 3 C atoms.
- polyester polyols examples include ethylene glycol, 1,2 or 1,3 propanediol, 1,2- or 1,4-butanediol, pentanediol, the isomeric hexanediols, octanediol, 1,4-hydroxymethylcyclohexane, 2 -Methyl-1,3-propanediol, butanetriol-1, 2,4, Triethylene glycol, tetraethylene glycol, polyethylene glycol, dipropylene glycol, polypropylene glycol, dibutylene glycol or polybutylene glycol. It is also possible to use aromatic diols.
- the polycarboxylic acids used may be aliphatic, cycloaliphatic, aromatic or heterocyclic or both. They may optionally be substituted, for example by alkyl groups, alkenyl groups, ether groups or halogens.
- suitable polycarboxylic acids are succinic acid, adipic acid, suberic acid, sebacic acid, phthalic acid, isophthalic acid, terephthalic acid, trimellitic acid, phthalic anhydride, tetrahydrophthalic anhydride, hexahydrophthalic anhydride, glutaric anhydride, maleic acid, maleic anhydride, fumaric acid, dimer fatty acid or mixtures of two or more thereof.
- citric acid or trimellitic acid are suitable as tricarboxylic acids which may optionally be present proportionally. All of the acids mentioned can be used individually or as mixtures of two or more thereof.
- polyester polyols of oleochemical origin can be prepared, for example, by complete ring opening of epoxidized triglycerides of an at least partially olefinically unsaturated fatty acid-containing fatty mixture with one or more alcohols having 1 to 12 carbon atoms and subsequent partial transesterification of the triglyceride derivatives to alkyl ester polyols having 1 to 12 C atoms in the alkyl radical getting produced.
- Polyester polyols preferably have a molecular weight of about 200 to 5,000 g / mol, in particular less than 2000 g / mol (average molecular weight, M N , measured by GPC).
- polyester polyols which contain aromatic structures are also suitable.
- Suitable isocyanates for the preparation of the NCO-containing prepolymers are the known aliphatic or aromatic diisocyanates. These have a molecular weight below 500g / mol.
- suitable diisocyanates are ethylene diisocyanate, 1,4-tetramethylene diisocyanate, 1,4-tetramethoxybutane diisocyanate, 1,6-hexamethylene diisocyanate (HDI), cyclobutane-1,3-diisocyanate, cyclohexane-1, 3- and -1,4 diisocyanate, bis (2) isocyanatoethyl) fumarate, 1-isocyanato-3,3,5-trimethyl-5-isocyanatomethylcyclohexane (isophorone diisocyanate, IPDI), 2,4- and 2,6-hexahydrotoluylene diisocyanate, hexahydro-1, 3- or -1, 4- phenylene diis
- cycloalkyl derivatives of MDI for example fully hydrogenated MDI (H12-MDI), alkyl-substituted diphenylmethane diisocyanates, for example mono-, di-, tri- or tetraalkyldiphenylmethane diisocyanate and their partially or fully hydrogenated cycloalkyl derivatives.
- aromatic diisocyanates are to be used, most preferably MDI.
- Another embodiment employs asymmetric isocyanates having NCO groups with a different reactivity towards diols.
- suitable cycloaliphatic asymmetric diisocyanates are, for example, 1-isocyanato-methyl-3-isocyanato-1,5,5-trimethylcyclohexane (isophorone diisocyanate, IPDI), 1-methyl-2,4-diisocyanato-cyclohexane, 1, 4-diisocyanato-2,2,6-trimethylcyclohexane (TMCDI), or hydrogenation products of the aforementioned aromatic diisocyanates, for example hydrogenated MDI in isomerically pure form, preferably hydrogenated 2,4 ' -MDI.
- IPDI isophorone diisocyanate
- TCDI 4-diisocyanato-2,2,6-trimethylcyclohexane
- hydrogenation products of the aforementioned aromatic diisocyanates for example hydrogenated MDI in isomerically pure form,
- preferably suitable aromatic asymmetric diisocyanates are 2,4- or 2,6-tolylene diisocyanate (TDI), either in isomerically pure form or as a mixture of several isomers, naphthalene-1, 5-diisocyanate (NDI), diphenylmethane-2,4 'Diisocyanate (MDI) and mixtures of 4,4'-diphenylmethane diisocyanate with the 2,4'-MDI isomers.
- TDI 2,4- or 2,6-tolylene diisocyanate
- NDI 5-diisocyanate
- MDI diphenylmethane-2,4 'Diisocyanate
- MDI 4,4'-diphenylmethane diisocyanate
- One embodiment converts the polyols with an excess of a diisocyanate. Non-reacting portions of the isocyanate are then distilled off again in vacuo as a monomer.
- Another embodiment uses an asymmetric isocyanate, while it can be dispensed with a suitable reaction to a distillation.
- the reaction of the monomeric diisocyanates with the polyols is carried out at a temperature between 20 ° C to 100 ° C, preferably between 25 to 80 ° C and particularly preferably between 40 to 75 ° C.
- the quantities are chosen such that an NCO-terminated precursor polymer is obtained.
- the reaction procedure must ensure that monomer-poor products are obtained.
- the reaction of the polyester polyols can be carried out by the known methods. Low contents of monomeric isocyanates should be obtained, for example below 2% by weight, in particular below 1% by weight. By the chosen ratio of diol and diisocyanate can be achieved that no significant molecular weight structure of the prepolymers is obtained.
- Suitable polyether polyols are, for example, reaction products of low molecular weight polyfunctional alcohols with alkylene oxides.
- the alkylene oxides preferably have 2 to 4 carbon atoms.
- Suitable examples are the reaction products of ethylene oxide, propylene oxide, butylene oxide or mixtures thereof with aliphatic diols, such as ethylene glycol, 1, 2-propanediol, 1, 3-propanediol, the isomeric butanediols, hexanediols, 2,2-dimethyl-1,3 propanediol, 2-methylpropanediol, 1,6-hexanediol, 2,4,4-trimethylhexanediol-1,6,6,2,4,4-trimethylhexanediol-1,6,10,1-cyclohexanedimethanol, or aromatic diols such as 4, 4'-dihydroxydiphenylpropane bisphenol A, bisphenol F,
- polyfunctional alcohols such as glycerol, trimethylolethane or trimethylolpropane, pentaerythritol or sugar alcohols with the alkylene oxides.
- polyfunctional alcohols such as glycerol, trimethylolethane or trimethylolpropane, pentaerythritol or sugar alcohols with the alkylene oxides.
- polyols which are suitable for the purposes of the invention are formed by polymerization of tetrahydrofuran (polyTHF).
- polyether polyols are prepared in a manner known to those skilled in the art and are commercially available. It should be selected according to the invention low molecular weight polyethers.
- polyether polyols having a molecular weight of from 200 to 5,000 g / mol, in particular up to 3,000, preferably from 300 to 1,500 g / mol are particularly suitable.
- diols are suitable, such as homopolymers of polyethylene glycol, propylene glycol, block or random copolymers of ethylene glycol and propylene glycol, especially those containing secondary hydroxyl groups.
- these polyether polyols can be reacted with known isocyanates to give NCO-containing prepolymers.
- the polyether prepolymers should be low in monomer. This can be achieved by the synthesis guide, another procedure separates free monomeric isocyanates by distillation.
- the polyether prepolymers should contain at least one NCO group in the chains, preferably two or three NCO groups. In the case of mixtures of prepolymers, average functionalities of, for example, 1.8 to 3.3 are also possible.
- the polyether prepolymers have a low monomer content viscosity of 3000 to 50,000 mPas at 50 ° C (measured Brookfield, EN ISO 2555).
- the monomer content should be less than 2% by weight, preferably less than 1%, in particular less than 0.2%. Very particular preference is given to using prepolymers which have only given a slight increase in molecular weight during the preparation.
- the polydispersity D (measured as M w / M N ) should be less than 3.0, in particular less than 2.5, preferably less than 2.0.
- a different embodiment of the invention uses polyether prepolymers (b) which have at least one alkoxysilane group, preferably two or three alkoxy groups, which are in particular terminal on the polymer chain.
- the polymer backbone may consist of the abovementioned polyether units which have reacted on the chain with alkoxysilane groups.
- silane-terminated polyethers can be prepared, for example, by reacting NCO-terminated polyethers with such alkoxysilanes which additionally have an NCO-reactive group, for example secondary aminosilanes or hydroxysilanes. Another method of preparation produces such polymers by reacting double bond-terminated polyethers, which are then subjected to hydrosilylation.
- Such silane-terminated polyethers having a molecular weight below 10000 g / mol are known to the person skilled in the art and are commercially available. These polyether polymers should not have any free OH groups which can react with the NCO groups of the other prepolymers. In particular, such prepolymers are suitable with a molecular weight below 5,000 g / mol, preferably from 500 to 3000 g / mol.
- the polydispersity should be low, for example less than 2.0, in particular less than 1.7.
- the composition according to the invention as foam precursor must contain at least one prepolymer based on polyesters.
- the amount should contain between 10 and 90% by weight, based on the total nonvolatiles, without blowing agents, in particular in particular between 20 to 60 wt .-% polyester prepolymer.
- the composition of the invention must contain a polyether prepolymer in the amount of 90 to 10 wt .-%, in particular between 40 to 80 wt .-%. It is possible to prepare the prepolymers individually and to mix or to synthesize in the case of NCO-crosslinking prepolymers as a mixture. In this case, polyether polyols or polyester polyols of different molecular weights can be used.
- the viscosity of the mixture of components a and b should be between 2,000 and 150,000 mPas measured at 50 ° C., in particular 10,000 to 100,000.
- One embodiment may comprise polyester prepolymers together with NCO polyether prepolymers, another embodiment sets at least as polyether prepolymer a silane-functionalized polyether.
- the mixture of the prepolymers a and b should have a content of monomeric diisocyanates of less than 2%, preferably less than 1%, in particular less than 0.2%.
- composition according to the invention may also contain additives known as foaming precursors for foam production.
- additives known as foaming precursors for foam production.
- foaming precursors for foam production.
- These may be, for example, plasticizers, stabilizers, adhesion promoters, catalysts, flame retardants, biocides, cell openers and similar additives. It is expedient to keep the proportion of not reacted in the polymer components such as plasticizers or solvents as low as possible.
- Plasticizers may be present in the foam precursor up to 40% by weight, in particular also no plasticizers or between 0.5 and 20% by weight, based on the total composition. Plasticizers having polar groups are preferred. Suitable plasticizers are known to the person skilled in the art and are commercially available.
- Stabilizers for the purposes of this invention are to be understood as meaning antioxidants, UV stabilizers, hydrolysis stabilizers or foam stabilizers. Examples of these are the commercially available sterically hindered phenols and / or thioethers and / or substituted benzotriazoles and / or amines of the "HALS" type (Hindered Amine Light Stabilizer). It is preferred in the context of the present invention to use a UV stabilizer which carries a silyl group and to crosslink or harden into the final product is installed. It is also possible to add benzotriazoles, benzophenones, benzoates, cyanoacrylates, acrylates or sterically hindered phenols. examples for
- Foam stabilizers are polyether siloxanes, such as copolymers of ethylene oxide and propylene oxide connected to a Polydimethylsiloxanrest, allophanate branched polysiloxane-polyoxyalkylene copolymers, other Organospolysiloxane, such as dimethylpolysiloxanes; oxyethylated alkylphenols, oxyethylated fatty alcohols, and / or paraffin oils.
- oligomeric polyacrylates having polyoxyalkylene and fluoroalkane radicals are also suitable as side groups.
- the foamable mixtures according to the invention may comprise foam stabilizers, e.g. in amounts ranges between 0.1 and 5 wt.%, Based on the mixture, the non-volatile components.
- organofunctional silanes such as hydroxy-functional, (meth) acryloxy-functional, mercapto-functional, amino-functional or epoxy-functional silanes may be used as adhesion promoters.
- the amounts may be from 0 to 20% by weight, preferably between 0 and 5% by weight, based on the mixture.
- catalysts it is possible to use all known compounds which can catalyze isocyanate reactions. Examples include titanates such as tetrabutyl titanate and tetrapropyl titanate, tin carboxylates such as dibutyltin dilaurate (DBTL), dibutyltin diacetate, tin octoate; Tin oxides such as dibutyltin oxide, and dioctyltin oxide; Organoaluminum compounds such as aluminum trisacetylacetonate, aluminum luminous ethylacetoacetate; Chelate compounds such as titanium tetraacetylacetonate; Amine compounds such as triethylenediamine, guanidine, diphenylguanidine, 2,4,6-tris (dimethylaminomethyl) phenol, morpholine, N-methylmorpholine, 2-ethyl-4-methylimidazole, and 1,8-diazabicyclo- (5,4,
- a foamable mixture according to the invention comprises at least one liquid flame retardant.
- the flame retardant can be selected from the group of halogenated (in particular brominated) ethers of the "Ixol" type from Solvay, 3,4,5,6-tetrabromo, 2- (2-hydroxyethoxy) ethyl 2-hydroxypropyl ester), organized Phosphates, in particular diethyl ethane phosphonate, triethyl phosphate, dimethyl propyl phosphonate, diphenyl cresyl phosphate, and also chlorinated phosphates, in particular tris (2-chloroethyl) phosphate, tris (2-chloroisopropyl) phosphate, tris (1,3-dichloroisopropyl) phosphate, Tris (2,3-dibromopropyl) phosphate and tetrakis (2-chloroethyl) ethylenediphosphate or mixtures
- the mixture contains the flame retardant in an amount of 1 to 50 wt .-%, particularly preferably from 5 to 20 wt .-%, based on the total weight of the mixture. It is expedient to select from the abovementioned flame retardants those which have no hydroxyl groups, since these reduce the content of reactive NCO groups.
- a foamable composition according to the invention contains, in addition to the mixture of the prepolymer, at least one blowing agent.
- a variety of volatile hydrocarbons can be used.
- Particularly preferred blowing agents are selected from hydrocarbons and / or fluorohydrocarbons each having 1-5 carbon atoms and / or dimethyl ether (DME) and mixtures thereof, for example DME / propane / isobutane / n-butane.
- the blowing agents are used in amounts of from 5 to 40% by weight, preferably from 10 to 30% by weight, based on the total foamable mixture.
- a preferred embodiment of the foam precursor according to the invention may contain 10 to 90% by weight, preferably 30 to 60% by weight of a polyester prepolymer (a), 90 to 10% by weight, in particular 70 to 40% by weight, of polyoxyalkylene prepolymers having at least one isocyanate group ( b1) or with at least one silane group (b2), 0.5 to 30% by weight of auxiliaries and additives, in particular catalysts, flame retardants and / or stabilizers.
- the totality of these components should be 100% by weight.
- the mixture according to the invention still contains inert blowing agents.
- One embodiment uses polymers containing di- or trialkoxysilyl groups, which allow for curing and good final strengths. Another advantage of such alkoxy-containing polymers is the fact that they reduce the viscosity and form a network, so that later no migration of unreacted polymers is observed. Since the crosslinking is slower than the crosslinking of the NCO groups, the structure of the network is not disturbed.
- the other embodiment uses mixtures of NCO-crosslinking polyether and polyester prepolymers. These mixtures react evenly. It has been found that the mixtures of such prepolymers also have a low viscosity. At the same time a high reactivity is given, wherein the content of monomeric isocyanates is kept low.
- Another object of the present invention is a disposable pressure vessel containing a foamable mixture according to the invention or a foamable mixture prepared by a process according to the invention.
- the disposable pressure container (aerosol can) thus contains at least one polyester prepolymer and a polyether prepolymer, and at least one propellant.
- the viscosity of the mixture of the non-volatile constituents according to the invention is from 2,000 to 150,000 mPas, preferably from 5,000 to 80,000 mPas (measured at 50 ° C.).
- the foamable mixtures according to the invention cure after application from the aerosol can by reaction with the ambient air humidity to fine-celled foams, so that the foamable mixtures for sealing, damding and / or mounting, e.g. joints, roofs, windows and doors or to fill cavities.
- Another object of the present invention is therefore also the use of a foamable mixture according to the invention or a mixture prepared by a process according to the invention for sealing, insulating and / or mounting joints, roofs, windows and doors or for filling cavities.
- Another object of the invention is a process for preparing foamable, crosslinkable compositions.
- a prepolymer is prepared from at least one polyester diol with a molar excess of an aromatic diisocyanate. This excess may include a ratio of 1: 2 to 1:10.
- the unreacted monomeric diisocyanate is distilled off to a content of less than 2% by weight, based on the prepolymer, of preferably less than 1%, in particular less than 0.2%. It is possible to use the distilled diisocyanate again in the synthesis of the prepolymers.
- the particularly suitable isocyanates for the process are aromatic isocyanates, such as Diphenylmethane diisocyanate or mixtures of the MDI isomers, another embodiment employs aromatic asymmetric isocyanates such as TDI, 2,4 MDI.
- aromatic isocyanates such as Diphenylmethane diisocyanate or mixtures of the MDI isomers
- another embodiment employs aromatic asymmetric isocyanates such as TDI, 2,4 MDI.
- the excess of diisocyanate can be chosen to be lower, for example about 1: 2.
- Another water-crosslinkable prepolymer may be added.
- These may be NCO-terminated prepolymers based on polyethers. These can, as stated above, be prepared with an excess of monomeric, preferably aromatic, diisocyanates, after which reaction the residual monomeric diisocyanates are distilled off by distillation to a content of less than 2%, in particular less than 0.2%. This can be done in a separate synthesis reaction, but it is also possible that this PU prepolymer is prepared together with the above-mentioned polyester prepolymer.
- Another embodiment of the process employs polyether polymers containing at least one silane group having hydrolyzable groups.
- Suitable hydrolyzable radicals are those of the Si (OR) 3 type with -OR selected from methoxy, ethoxy, propoxy, butoxy.
- such prepolymers may also contain two silane groups. These are prepared separately from the NCO prepolymers.
- a mixture is prepared under anhydrous conditions from the polyester prepolymer and the polyether polymer.
- the additives can be entered, which may be contained in a composition according to the invention.
- at least one propellant gas is added to this mixture. This can be done by mixing the prepolymer / additive mixture with propellant gas, which mixture is then filled into the corresponding disposable pressure containers. It is also possible to add the various prepolymers and additives one by one to the appropriate container and to add the propellant gases thereafter.
- the components are mixed together. The mixing of the components can also be assisted by heating, so that the processing processes run faster. Mixtures filled in disposable pressure containers are obtained. These are stable for a period of at least 6 months, as far as working under anhydrous conditions.
- Particularly suitable for use in a method according to the invention are compositions which correspond to the abovementioned crosslinkable foamable compositions according to the invention.
- the foamable compositions according to the invention are to be used in particular for use as 1 K can foam. These are commonly referred to as topical foam, i. they are filled into aerosol cans for production and storage and transport and discharged and foamed directly during use.
- the composition according to the invention makes it possible to prepare isocyanate-reactive polyurethane foams which have a low monomer content. These have a composition which exhibits sufficient viscosity to be foamable with the known blowing agents.
- the foam precursors according to the invention cure with the existing atmospheric moisture and give small-celled, mechanically stable foams. By special design of the composition, it is possible to design these foams fire retardant.
- the low content of free isocyanates meets the requirements for occupational safety and health protection.
- the technical application properties of the foamed materials are comparably good in comparison to known prior art.
- the foamable mixtures according to the invention harden after application from the aerosol can with the surrounding air humidity to fine-celled foams, so that from the foamable mixtures for sealing, dams and mounting, eg of joints, roofs, windows and doors or to fill cavities are suitable.
- Another advantage of the composition according to the invention is the improved fire behavior of the cured foams. Examples: (quantity in parts)
- Viscosity [in mPas] 30 ° C 50 ° C 80 ° C
- Polyester A consisting of adipic acid / isophthalic acid / propylene glycol /
- Polyester B consisting of adipic acid / phthalic acid / 1, 2-propanediol /
- PPG 750 mixture of polypropylene glycol 400 and 1000 (Voranol 1010 L / Dow)
- a prepolymer is prepared with an excess of diisocyanate (molar ratio 6: 1). This is freed after the reaction by means of a thin-film evaporator in vacuo of unreacted monomeric isocyanate. The residual monomer content of each sample is less than 1% by weight of monomeric MDI.
- Prepo 1 Polyester A + 4,4-MDI
- Prepo 5 Silyl terminated polyether (Polypropylene glycol bis [3- (dimethoxymethylsilyl) propyl] ether
- foamable mixtures are prepared by adding a mixture of propane / dimethyl ether (1: 1) by weight 30% to the total mixture. These mixtures are filled in a disposable pressure cell. The mixtures are homogenized by shaking and stored for one day. It turns out that the mixtures are easy to apply as a foam. They network quickly.
- Analogous mixtures with 30% of the blowing agent mixture are prepared by Experiments 1, 6, 11, 16.
- the filling in the pressure cans must be done at elevated temperature. After cooling and storage for 24 hours, only a poor leakage of foam from the pressure cell is observed. The amount is small. Foaming does not succeed in producing a homogeneous foam. There is no uniform foam out of the can, obviously there is no homogeneous mixture in the can. These mixtures are not to be used as a foamable composition.
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Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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EP10747030.4A EP2480583B1 (de) | 2009-09-25 | 2010-08-26 | Monomerarme polyurethanschäume |
RU2012116560/05A RU2524938C2 (ru) | 2009-09-25 | 2010-08-26 | Полиуретановая пена с низким содержанием мономеров |
UAA201205036A UA107809C2 (ru) | 2009-09-25 | 2010-08-26 | Полиуретановая пена с низким содержанием мономеров |
MX2012003510A MX2012003510A (es) | 2009-09-25 | 2010-08-26 | Espumas de poliuretano con bajo contenido de monomero. |
US13/426,682 US20120225225A1 (en) | 2009-09-25 | 2012-03-22 | Low-monomer polyurethane foams |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102009045027.0 | 2009-09-25 | ||
DE102009045027A DE102009045027A1 (de) | 2009-09-25 | 2009-09-25 | Monomerarme Polyurethanschäume |
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US13/426,682 Continuation US20120225225A1 (en) | 2009-09-25 | 2012-03-22 | Low-monomer polyurethane foams |
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WO2011036018A1 true WO2011036018A1 (de) | 2011-03-31 |
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PCT/EP2010/062435 WO2011036018A1 (de) | 2009-09-25 | 2010-08-26 | Monomerarme polyurethanschäume |
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US (1) | US20120225225A1 (de) |
EP (1) | EP2480583B1 (de) |
DE (1) | DE102009045027A1 (de) |
MX (1) | MX2012003510A (de) |
RU (1) | RU2524938C2 (de) |
UA (1) | UA107809C2 (de) |
WO (1) | WO2011036018A1 (de) |
Cited By (7)
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WO2012010389A1 (de) * | 2010-07-23 | 2012-01-26 | Henkel Ag & Co. Kgaa | Haftfester monomerarmer pu-schaum |
WO2013072380A2 (en) | 2011-11-16 | 2013-05-23 | Soudal | Improved polyurethane foam composition |
WO2013102653A1 (en) | 2012-01-04 | 2013-07-11 | Soudal | Filling of cavities in road construction and repair |
WO2014033231A1 (en) | 2012-08-29 | 2014-03-06 | Soudal | Improved window insulation |
US20140179815A1 (en) * | 2011-08-31 | 2014-06-26 | Dow Global Technologies Llc | Method for preparing flexible polyurethane foam with hydrolysable silane compounds |
US20140179813A1 (en) * | 2011-08-05 | 2014-06-26 | Henkel Ag & Co. Kgaa | Low-monomer polyurethane foams |
US10730996B2 (en) | 2015-09-29 | 2020-08-04 | Dow Global Technologies Llc | Toluene diisocyanate biuret based prepolymers for polyurethane foams |
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DE102011089633A1 (de) * | 2011-12-22 | 2013-06-27 | Henkel Ag & Co. Kgaa | Verfahren zur Applikation einer PU-Schaumschicht |
US20140234557A1 (en) * | 2013-02-21 | 2014-08-21 | Fun-Kins Limited | Artificial Carvable Items and Methods of Manufacture |
US20160304657A1 (en) | 2013-12-04 | 2016-10-20 | Covestro Deutschland Ag | Reaction system for a low-monomer one-component polyurethane foam |
PL235304B1 (pl) * | 2014-01-14 | 2020-06-29 | Selena Labs Spolka Z Ograniczona Odpowiedzialnoscia | Jednoskładnikowa mieszanina prepolimeru izocyjanianu oraz sposób wytwarzania pianki poliuretanowej w pojemniku dozującym w jednoetapowym procesie |
FR3021659B1 (fr) * | 2014-05-28 | 2017-11-17 | Bostik Sa | Composition de polyurethane a terminaisons nco a base de 2,4-tdi non thermofusible et a faible teneur en monomere tdi, comprenant au moins un compose isocyanate de volume molaire particulier. |
FR3021658B1 (fr) * | 2014-05-28 | 2017-12-08 | Bostik Sa | Composition de polyurethane a terminaisons nco a base mdi non thermofusible et a faible teneur en monomere mdi, comprenant au moins un compose isocyanate de volume molaire particulier. |
WO2017050840A1 (en) | 2015-09-21 | 2017-03-30 | Poly Terra Innovation Gmbh | Synthetic foam material comprising silane-terminated polymers |
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US20140179815A1 (en) * | 2011-08-31 | 2014-06-26 | Dow Global Technologies Llc | Method for preparing flexible polyurethane foam with hydrolysable silane compounds |
US9290605B2 (en) * | 2011-08-31 | 2016-03-22 | Dow Global Technologies Llc | Method for preparing flexible polyurethane foam with hydrolysable silane compounds |
WO2013072380A2 (en) | 2011-11-16 | 2013-05-23 | Soudal | Improved polyurethane foam composition |
EP2780384B1 (de) | 2011-11-16 | 2017-08-02 | Soudal | Verbesserte polyurethanschaumzusammensetzung |
WO2013102653A1 (en) | 2012-01-04 | 2013-07-11 | Soudal | Filling of cavities in road construction and repair |
WO2014033231A1 (en) | 2012-08-29 | 2014-03-06 | Soudal | Improved window insulation |
US10730996B2 (en) | 2015-09-29 | 2020-08-04 | Dow Global Technologies Llc | Toluene diisocyanate biuret based prepolymers for polyurethane foams |
Also Published As
Publication number | Publication date |
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RU2012116560A (ru) | 2013-10-27 |
UA107809C2 (ru) | 2015-02-25 |
MX2012003510A (es) | 2012-05-08 |
EP2480583B1 (de) | 2013-11-20 |
RU2524938C2 (ru) | 2014-08-10 |
EP2480583A1 (de) | 2012-08-01 |
DE102009045027A1 (de) | 2011-03-31 |
US20120225225A1 (en) | 2012-09-06 |
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