WO2022080704A1 - 폴리우레탄 조성물 - Google Patents
폴리우레탄 조성물 Download PDFInfo
- Publication number
- WO2022080704A1 WO2022080704A1 PCT/KR2021/013233 KR2021013233W WO2022080704A1 WO 2022080704 A1 WO2022080704 A1 WO 2022080704A1 KR 2021013233 W KR2021013233 W KR 2021013233W WO 2022080704 A1 WO2022080704 A1 WO 2022080704A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- urethane
- based prepolymer
- weight
- prepared
- parts
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims abstract description 64
- 239000004814 polyurethane Substances 0.000 title claims abstract description 28
- 229920002635 polyurethane Polymers 0.000 title claims abstract description 28
- -1 polyol compound Chemical class 0.000 claims abstract description 101
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 229920005862 polyol Polymers 0.000 claims abstract description 40
- 239000012948 isocyanate Substances 0.000 claims abstract description 28
- 239000002318 adhesion promoter Substances 0.000 claims abstract description 25
- 229910000077 silane Inorganic materials 0.000 claims abstract description 23
- 125000003277 amino group Chemical group 0.000 claims abstract description 17
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 13
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 10
- 150000001412 amines Chemical class 0.000 claims description 5
- 125000003545 alkoxy group Chemical group 0.000 claims description 4
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 2
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 claims description 2
- PHQOGHDTIVQXHL-UHFFFAOYSA-N n'-(3-trimethoxysilylpropyl)ethane-1,2-diamine Chemical compound CO[Si](OC)(OC)CCCNCCN PHQOGHDTIVQXHL-UHFFFAOYSA-N 0.000 claims description 2
- MQWFLKHKWJMCEN-UHFFFAOYSA-N n'-[3-[dimethoxy(methyl)silyl]propyl]ethane-1,2-diamine Chemical compound CO[Si](C)(OC)CCCNCCN MQWFLKHKWJMCEN-UHFFFAOYSA-N 0.000 claims description 2
- KBJFYLLAMSZSOG-UHFFFAOYSA-N n-(3-trimethoxysilylpropyl)aniline Chemical compound CO[Si](OC)(OC)CCCNC1=CC=CC=C1 KBJFYLLAMSZSOG-UHFFFAOYSA-N 0.000 claims description 2
- 150000003335 secondary amines Chemical group 0.000 claims description 2
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 abstract description 9
- 239000004014 plasticizer Substances 0.000 description 42
- 125000001261 isocyanato group Chemical group *N=C=O 0.000 description 34
- 230000000052 comparative effect Effects 0.000 description 30
- 229920001451 polypropylene glycol Polymers 0.000 description 27
- HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical compound CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 description 24
- 238000000576 coating method Methods 0.000 description 17
- 239000011521 glass Substances 0.000 description 17
- 239000011248 coating agent Substances 0.000 description 15
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 14
- 239000000853 adhesive Substances 0.000 description 14
- 230000001070 adhesive effect Effects 0.000 description 14
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- 230000015572 biosynthetic process Effects 0.000 description 11
- 238000003786 synthesis reaction Methods 0.000 description 11
- RBNPOMFGQQGHHO-UHFFFAOYSA-N glyceric acid Chemical compound OCC(O)C(O)=O RBNPOMFGQQGHHO-UHFFFAOYSA-N 0.000 description 10
- 239000000049 pigment Substances 0.000 description 10
- 239000000047 product Substances 0.000 description 10
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 9
- 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 8
- 239000000654 additive Substances 0.000 description 8
- 125000002947 alkylene group Chemical group 0.000 description 8
- 239000003623 enhancer Substances 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- TZZGHGKTHXIOMN-UHFFFAOYSA-N 3-trimethoxysilyl-n-(3-trimethoxysilylpropyl)propan-1-amine Chemical compound CO[Si](OC)(OC)CCCNCCC[Si](OC)(OC)OC TZZGHGKTHXIOMN-UHFFFAOYSA-N 0.000 description 7
- 229910000019 calcium carbonate Inorganic materials 0.000 description 7
- 239000006229 carbon black Substances 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 7
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 7
- 239000002987 primer (paints) Substances 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- UIVJESYOSYCXCB-UHFFFAOYSA-N N=C=O.C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 Chemical compound N=C=O.C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UIVJESYOSYCXCB-UHFFFAOYSA-N 0.000 description 6
- 230000000996 additive effect Effects 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- PRIUALOJYOZZOJ-UHFFFAOYSA-L 2-ethylhexyl 2-[dibutyl-[2-(2-ethylhexoxy)-2-oxoethyl]sulfanylstannyl]sulfanylacetate Chemical compound CCCCC(CC)COC(=O)CS[Sn](CCCC)(CCCC)SCC(=O)OCC(CC)CCCC PRIUALOJYOZZOJ-UHFFFAOYSA-L 0.000 description 5
- 125000004432 carbon atom Chemical group C* 0.000 description 5
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 5
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- QKOWXXDOHMJOMQ-UHFFFAOYSA-N 1,3,5-tris(6-isocyanatohexyl)biuret Chemical compound O=C=NCCCCCCNC(=O)N(CCCCCCN=C=O)C(=O)NCCCCCCN=C=O QKOWXXDOHMJOMQ-UHFFFAOYSA-N 0.000 description 4
- ZVFDTKUVRCTHQE-UHFFFAOYSA-N Diisodecyl phthalate Chemical compound CC(C)CCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC(C)C ZVFDTKUVRCTHQE-UHFFFAOYSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 4
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 4
- HGQSXVKHVMGQRG-UHFFFAOYSA-N dioctyltin Chemical compound CCCCCCCC[Sn]CCCCCCCC HGQSXVKHVMGQRG-UHFFFAOYSA-N 0.000 description 4
- 229920001281 polyalkylene Polymers 0.000 description 4
- 229920005749 polyurethane resin Polymers 0.000 description 4
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 4
- 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 4
- XLKSLDJGXPRSCK-UHFFFAOYSA-N C1(=CC=CC=C1)NCCC[Si](OC)(OC)OC.N[SiH2]C1=CC=CC=C1 Chemical compound C1(=CC=CC=C1)NCCC[Si](OC)(OC)OC.N[SiH2]C1=CC=CC=C1 XLKSLDJGXPRSCK-UHFFFAOYSA-N 0.000 description 3
- LPRDCUAEVFTNHK-UHFFFAOYSA-N CCCCCCC(CCC)(CCC)OC(=O)C1=CC=CC=C1C(O)=O Chemical compound CCCCCCC(CCC)(CCC)OC(=O)C1=CC=CC=C1C(O)=O LPRDCUAEVFTNHK-UHFFFAOYSA-N 0.000 description 3
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000007983 Tris buffer Substances 0.000 description 3
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 3
- ZFMQKOWCDKKBIF-UHFFFAOYSA-N bis(3,5-difluorophenyl)phosphane Chemical compound FC1=CC(F)=CC(PC=2C=C(F)C=C(F)C=2)=C1 ZFMQKOWCDKKBIF-UHFFFAOYSA-N 0.000 description 3
- 229960002380 dibutyl phthalate Drugs 0.000 description 3
- 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 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- ZTNJGMFHJYGMDR-UHFFFAOYSA-N 1,2-diisocyanatoethane Chemical compound O=C=NCCN=C=O ZTNJGMFHJYGMDR-UHFFFAOYSA-N 0.000 description 2
- ZGDSDWSIFQBAJS-UHFFFAOYSA-N 1,2-diisocyanatopropane Chemical compound O=C=NC(C)CN=C=O ZGDSDWSIFQBAJS-UHFFFAOYSA-N 0.000 description 2
- UFXYYTWJETZVHG-UHFFFAOYSA-N 1,3-diisocyanatobutane Chemical compound O=C=NC(C)CCN=C=O UFXYYTWJETZVHG-UHFFFAOYSA-N 0.000 description 2
- ALQLPWJFHRMHIU-UHFFFAOYSA-N 1,4-diisocyanatobenzene Chemical compound O=C=NC1=CC=C(N=C=O)C=C1 ALQLPWJFHRMHIU-UHFFFAOYSA-N 0.000 description 2
- OVBFMUAFNIIQAL-UHFFFAOYSA-N 1,4-diisocyanatobutane Chemical compound O=C=NCCCCN=C=O OVBFMUAFNIIQAL-UHFFFAOYSA-N 0.000 description 2
- 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 2
- IRIAEXORFWYRCZ-UHFFFAOYSA-N Butylbenzyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCC1=CC=CC=C1 IRIAEXORFWYRCZ-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 239000005058 Isophorone diisocyanate Substances 0.000 description 2
- QORUGOXNWQUALA-UHFFFAOYSA-N N=C=O.N=C=O.N=C=O.C1=CC=C(C(C2=CC=CC=C2)C2=CC=CC=C2)C=C1 Chemical compound N=C=O.N=C=O.N=C=O.C1=CC=C(C(C2=CC=CC=C2)C2=CC=CC=C2)C=C1 QORUGOXNWQUALA-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical compound ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 2
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- XQBCVRSTVUHIGH-UHFFFAOYSA-L [dodecanoyloxy(dioctyl)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCCCCCC)(CCCCCCCC)OC(=O)CCCCCCCCCCC XQBCVRSTVUHIGH-UHFFFAOYSA-L 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- LPIQUOYDBNQMRZ-UHFFFAOYSA-N cyclopentenylidene Natural products C1CC=CC1 LPIQUOYDBNQMRZ-UHFFFAOYSA-N 0.000 description 2
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- 125000005442 diisocyanate group Chemical group 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 2
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- RWLDCNACDPTRMY-UHFFFAOYSA-N 3-triethoxysilyl-n-(3-triethoxysilylpropyl)propan-1-amine Chemical compound CCO[Si](OCC)(OCC)CCCNCCC[Si](OCC)(OCC)OCC RWLDCNACDPTRMY-UHFFFAOYSA-N 0.000 description 1
- GBSOCCNCXUOCIM-UHFFFAOYSA-N 3-tripropoxysilyl-n-(3-tripropoxysilylpropyl)propan-1-amine Chemical compound CCCO[Si](OCCC)(OCCC)CCCNCCC[Si](OCCC)(OCCC)OCCC GBSOCCNCXUOCIM-UHFFFAOYSA-N 0.000 description 1
- ZMSQJSMSLXVTKN-UHFFFAOYSA-N 4-[2-(2-morpholin-4-ylethoxy)ethyl]morpholine Chemical compound C1COCCN1CCOCCN1CCOCC1 ZMSQJSMSLXVTKN-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
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- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004803 Di-2ethylhexylphthalate Substances 0.000 description 1
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- ISKQADXMHQSTHK-UHFFFAOYSA-N [4-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=C(CN)C=C1 ISKQADXMHQSTHK-UHFFFAOYSA-N 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
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- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- PGQPMLCDSAVZNJ-BGSQTJHASA-L [dimethyl-[(z)-octadec-9-enoyl]oxystannyl] (z)-octadec-9-enoate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)O[Sn](C)(C)OC(=O)CCCCCCC\C=C/CCCCCCCC PGQPMLCDSAVZNJ-BGSQTJHASA-L 0.000 description 1
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- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
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- 229910052619 chlorite group Inorganic materials 0.000 description 1
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- WCRDXYSYPCEIAK-UHFFFAOYSA-N dibutylstannane Chemical compound CCCC[SnH2]CCCC WCRDXYSYPCEIAK-UHFFFAOYSA-N 0.000 description 1
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- WNEDOMBPJDUQPS-BFIADXHOSA-L dioctyltin(2+);(z)-4-hydroxy-4-oxobut-2-enoate Chemical compound CCCCCCCC[Sn](OC(=O)\C=C/C(O)=O)(OC(=O)\C=C/C(O)=O)CCCCCCCC WNEDOMBPJDUQPS-BFIADXHOSA-L 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
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- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
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- 239000002904 solvent Substances 0.000 description 1
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- SKRWFPLZQAAQSU-UHFFFAOYSA-N stibanylidynetin;hydrate Chemical compound O.[Sn].[Sb] SKRWFPLZQAAQSU-UHFFFAOYSA-N 0.000 description 1
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- 229910052889 tremolite Inorganic materials 0.000 description 1
- AMJYHMCHKZQLAY-UHFFFAOYSA-N tris(2-isocyanatophenoxy)-sulfanylidene-$l^{5}-phosphane Chemical compound O=C=NC1=CC=CC=C1OP(=S)(OC=1C(=CC=CC=1)N=C=O)OC1=CC=CC=C1N=C=O AMJYHMCHKZQLAY-UHFFFAOYSA-N 0.000 description 1
- LSGOVYNHVSXFFJ-UHFFFAOYSA-N vanadate(3-) Chemical compound [O-][V]([O-])([O-])=O LSGOVYNHVSXFFJ-UHFFFAOYSA-N 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 1
- 229910000165 zinc phosphate Inorganic materials 0.000 description 1
Classifications
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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
- C08G18/28—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
- C08G18/4825—Polyethers containing two hydroxy groups
-
- 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
-
- 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
- C08G18/2805—Compounds having only one group containing active hydrogen
- C08G18/288—Compounds containing at least one heteroatom other than oxygen or nitrogen
- C08G18/289—Compounds containing at least one heteroatom other than oxygen or nitrogen containing silicon
-
- 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
- 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
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/7806—Nitrogen containing -N-C=0 groups
- C08G18/7818—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups
- C08G18/7831—Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups containing biuret groups
-
- 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
- C08G18/80—Masked polyisocyanates
- C08G18/8061—Masked polyisocyanates masked with compounds having only one group containing active hydrogen
- C08G18/8083—Masked polyisocyanates masked with compounds having only one group containing active hydrogen with compounds containing at least one heteroatom other than oxygen or nitrogen
- C08G18/809—Masked polyisocyanates masked with compounds having only one group containing active hydrogen with compounds containing at least one heteroatom other than oxygen or nitrogen containing silicon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/544—Silicon-containing compounds containing nitrogen
-
- 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
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/08—Polyurethanes from polyethers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/08—Polyurethanes from polyethers
Definitions
- the present invention relates to a polyurethane composition for adhesives having excellent adhesiveness and suitable workability due to suitable pot life.
- a general polyurethane resin has a urethane bond in its molecule, and has excellent abrasion resistance, oil resistance, solvent resistance, etc., and is used in various fields such as adhesives, injection molding, inks, paints, and foams.
- a case in which the polyurethane resin is used as an adhesive may include bonding a substrate such as glass to a painted surface of an automobile body.
- a primer is first applied to the painted surface and/or glass and , It is common to apply a polyurethane-based adhesive on the primer.
- the process of adhering a substrate such as glass to a painted surface of an automobile body becomes complicated.
- the conventional polyurethane-based adhesive has a short pot life, poor workability, and poor adhesion at low temperatures, thereby limiting adhesion process conditions.
- Patent Document 1 discloses a polyisocyanate having a biuret group and/or an isocyanurate group, and a secondary in which an aromatic ring having a predetermined structure is directly bonded to a nitrogen atom.
- a polyurethane composition comprising the reaction product of an aminoalkoxysilane is disclosed.
- the composition of Patent Document 1 lacks adhesion to glass, so there is a limitation in the need for a primer treatment as described above.
- an object of the present invention is to provide a polyurethane resin composition for adhesives having excellent adhesiveness and suitable workability due to suitable pot life.
- the present invention comprises a first urethane-based prepolymer, a second urethane-based prepolymer and an adhesion promoter,
- the first urethane-based prepolymer is prepared from a first polyol compound and a first isocyanate compound,
- the second urethane-based prepolymer is prepared from a second polyol compound, a second isocyanate compound, and a silane coupling agent,
- the adhesion promoter provides a polyurethane composition prepared from a biuret body of isocyanate, and a silane compound containing an amine group.
- the primer pretreatment process can be omitted on the painted surface of the vehicle body and/or the glass surface, and the above-described Economical efficiency is improved due to the omission of the primer coating process as described above.
- the polyurethane composition is excellent in workability due to an appropriate pot life, and excellent adhesion to a painted surface and a ceramic glass surface.
- the functional group such as 'content of unreacted NCO (NCO%)' may be measured by a method well known in the art, for example, may be a value measured by titration or the like.
- the polyurethane resin composition according to the present invention includes a first urethane-based prepolymer, a second urethane-based prepolymer, and an adhesion promoter.
- the first urethane-based prepolymer serves to control mechanical properties of the prepared cured product and impart flexibility.
- the first urethane-based prepolymer may be directly synthesized according to a known method, or a commercially available product may be used.
- the first urethane-based prepolymer may be prepared from a first polyol compound and a first isocyanate compound.
- the first polyol compound may be a polyalkylene polyol, an acrylic polyol, a polyester polyol, a polycarbonate polyol, or the like.
- the polyalkylene polyol include polyethylene glycol, polypropylene glycol, polytetramethylene glycol, polypropylene triol, poly(propylene glycol) diglycidyl ether, and polypropylene glycol glycerol ether.
- the first polyol compound may have a weight average molecular weight (Mw) of 500 to 10,000 g/mol, or 1,000 to 5,000 g/mol.
- Mw weight average molecular weight
- the weight average molecular weight of the first polyol compound is less than the above range, a problem occurs in that mechanical properties such as shear strength of the prepared coating film are inferior.
- the first isocyanate compound may be a compound containing two or more isocyanate groups, for example, 2,4-toluene diisocyanate (2,4-TDI), 2,6-toluene diisocyanate (2,6-TDI) , 4,4'-diphenylmethylene diisocyanate (4,4'-MDI), 2,4'-diphenylmethylene diisocyanate (2,4'-MDI), 1,4-phenylene diisocyanate, 1, 5-naphthalene diisocyanate, ethylene diisocyanate, propylene diisocyanate, tetramethylene diisocyanate, hexamethylene diisocyanate, isophorone diisocyanate, bis(4-isocyanatecyclohexyl)methane, 1-methyltrimethylene diisocyanate, 1,3 -Cyclopentene diisocyanate, 1,4-cyclopentene diisocyanate, 1,2-cyclopentene
- a first plasticizer may be additionally added when the first polyol compound and the first isocyanate compound are reacted.
- the first plasticizer is not particularly limited as long as it is a plasticizer typically used in a urethane-based prepolymer, and may be, for example, a dialkyl phthalate.
- the first plasticizer may include at least one selected from the group consisting of dioctyl phthalate, dibutyl phthalate, dioctyl adipate, diisodecyl phthalate, diisononyl phthalate and dipropylheptyl phthalate.
- the first urethane-based prepolymer may be prepared from 100 parts by weight of the first polyol compound and 1 to 30 parts by weight of the first isocyanate compound.
- the first urethane-based prepolymer may be prepared from 100 parts by weight of the first polyol compound, 10 to 20 parts by weight of the first isocyanate compound, and 20 to 50 parts by weight or 30 to 45 parts by weight of the first plasticizer.
- the shear strength of the prepared coating film is lowered or poor adhesion occurs. there is.
- the content of the first isocyanate compound is less than the above range, a problem occurs that the shear strength of the prepared coating film is lowered or poor adhesion occurs, and when it exceeds the above range, the storage and pot life of the composition are inferior.
- the content of the first plasticizer is less than the above range, a problem of poor workability and storability of the composition occurs, and when it exceeds the above range, a problem of poor workability of the composition may occur.
- the first urethane-based prepolymer may have a weight average molecular weight (Mw) of 3,000 to 15,000 g/mol, or 5,000 to 10,000 g/mol. If the weight average molecular weight of the first urethane-based prepolymer is less than the above range, poor adhesion may occur, and if it exceeds the above range, poor storage and workability may occur.
- Mw weight average molecular weight
- the first urethane-based prepolymer may have a viscosity of 5,000 to 15,000 cps, or 7,000 to 11,000 cps at 20°C. If the viscosity at 20° C. of the first urethane-based prepolymer is less than the above range, poor adhesion may occur, and if it exceeds the above range, poor storage and workability may occur.
- the first urethane-based prepolymer may have an unreacted NCO content (NCO%) of 1.60 to 1.80 wt%, or 1.70 to 1.75 wt%, based on the total weight of the prepolymer.
- NCO% of the first urethane-based prepolymer is less than the above range, a problem of poor storability and workability occurs, and when it exceeds the above range, a problem of poor adhesion may occur.
- the first urethane-based prepolymer may be included in the composition in an amount of 10 to 35 parts by weight, or 15 to 30 parts by weight based on 20 to 40 parts by weight of the second urethane-based prepolymer.
- the content of the first urethane-based prepolymer is less than the above range, a problem of inferior mechanical properties such as shear strength occurs, and when the content of the first urethane-based prepolymer is above the above range, a problem of excessively long drying time may occur.
- the second urethane-based prepolymer serves to control mechanical properties of the prepared cured product and impart flexibility.
- isocyanate groups at the ends of the first urethane-based prepolymer and the second urethane-based prepolymer are cross-linked with each other to form a strong urea bond, so that mechanical properties of the cured product, for example, shear strength etc. can be improved.
- the second urethane-based prepolymer may be prepared from a second polyol compound, a second isocyanate compound, and a silane coupling agent, and the silane coupling agent modified at the end of the urethane-based prepolymer may have an adhesive strength of the cured product through a coupling reaction with the surface of a substrate such as glass. can be improved, and water resistance and chemical resistance of the cured product can be improved because reverse hydrolysis does not occur in water or chemicals (eg, alcohols).
- water or chemicals eg, alcohols
- the second polyol compound may be a polyalkylene polyol, an acrylic polyol, a polyester polyol, a polycarbonate polyol, or the like.
- the polyalkylene polyol include polyethylene glycol, polypropylene glycol, polytetramethylene glycol, polypropylene triol, poly(propylene glycol) diglycidyl ether, and polypropylene glycol glycerol ether.
- the second polyol compound may have a weight average molecular weight (Mw) of 500 to 10,000 g/mol, or 1,000 to 5,000 g/mol.
- Mw weight average molecular weight
- the weight average molecular weight of the second polyol compound is less than the above range, a problem occurs in that mechanical properties such as shear strength of the prepared coating film are inferior.
- the second isocyanate compound may be a compound containing two or more isocyanate groups, for example, 2,4-toluene diisocyanate (2,4-TDI), 2,6-toluene diisocyanate (2,6-TDI) , 4,4'-diphenylmethylene diisocyanate (4,4'-MDI), 2,4'-diphenylmethylene diisocyanate (2,4'-MDI), 1,4-phenylene diisocyanate, 1, 5-naphthalene diisocyanate, ethylene diisocyanate, propylene diisocyanate, tetramethylene diisocyanate, hexamethylene diisocyanate, isophorone diisocyanate, bis(4-isocyanatecyclohexyl)methane, 1-methyltrimethylene diisocyanate, 1,3 -Cyclopentene diisocyanate, 1,4-cyclopentene diisocyanate, 1,2-cyclopentene
- the silane coupling agent is bis(trialkoxysilylpropyl)amine, N-2-(aminoethyl)-3-aminopropylmethyldimethoxy silane, N-2-(aminoethyl)-3-aminopropyltrimethoxysilane, It may include at least one selected from the group consisting of 3-aminopropyltrimethoxy silane, 3-aminopropyltriethoxy silane, and N-phenyl-3-aminopropyltrimethoxy silane.
- the bis(trialkoxysilylpropyl)amine is at least one selected from the group consisting of bis(trimethoxysilylpropyl)amine, bis(triethoxysilylpropyl)amine, and bis(tripropoxysilylpropyl)amine may include
- a second plasticizer may be additionally added when the second polyol compound and the second isocyanate compound are reacted.
- the second plasticizer is not particularly limited as long as it is a plasticizer typically used in a urethane-based prepolymer, and may be, for example, a dialkyl phthalate.
- the second plasticizer may include at least one selected from the group consisting of dioctyl phthalate, dibutyl phthalate, dioctyl adipate, diisodecyl phthalate, diisononyl phthalate and dipropylheptyl phthalate.
- the second urethane-based prepolymer may be prepared from 100 parts by weight of the second polyol compound, 1 to 30 parts by weight of the second isocyanate compound, and 0.1 to 10 parts by weight of the silane coupling agent.
- the second urethane-based prepolymer includes 100 parts by weight of the second polyol compound, 10 to 20 parts by weight of the second isocyanate compound, 1 to 7 parts by weight of the silane coupling agent, and 20 to 50 parts by weight or 30 to 45 parts by weight of the second plasticizer. can be prepared from.
- the shear strength of the prepared coating film is lowered or poor adhesion occurs. there is.
- the content of the second isocyanate compound is less than the above range, a problem occurs in that the shear strength of the prepared coating film is lowered or poor adhesion occurs, and when it exceeds the above range, the storage and pot life of the composition are inferior.
- the content of the second plasticizer is less than the above range, a problem of poor workability and storability of the composition occurs, and when it exceeds the above range, a problem of poor workability of the composition may occur.
- the second urethane-based prepolymer may have a weight average molecular weight (Mw) of 1,000 to 15,000 g/mol, or 5,000 to 10,000 g/mol. If the weight average molecular weight of the second urethane-based prepolymer is less than the above range, poor adhesion may occur, and if it exceeds the above range, poor storage and workability may occur.
- Mw weight average molecular weight
- the second urethane-based prepolymer may have a viscosity of 1,000 to 15,000 cps, or 5,000 to 10,000 cps at 20°C. If the viscosity at 20° C. of the second urethane-based prepolymer is less than the above range, poor adhesion may occur, and if it exceeds the above range, poor storage and workability may occur.
- the second urethane-based prepolymer may have an unreacted NCO content (NCO%) of 1.30 to 1.60 wt%, or 1.40 to 1.50 wt%, based on the total weight of the prepolymer. If the NCO% of the second urethane-based prepolymer is less than the above range, poor storage and workability may occur, and if it exceeds the above range, poor adhesion may occur.
- NCO% of the second urethane-based prepolymer is less than the above range, poor storage and workability may occur, and if it exceeds the above range, poor adhesion may occur.
- the second urethane-based prepolymer may be included in the composition in an amount of 20 to 40 parts by weight, or 25 to 35 parts by weight based on 10 to 35 parts by weight of the first urethane-based prepolymer.
- the content of the second urethane-based prepolymer is less than the above range, a problem of inferior mechanical properties such as shear strength occurs, and when it exceeds the above range, a problem of excessively long drying time may occur.
- the adhesion enhancer serves to improve the adhesiveness of the composition, and by including a silane group, a fast coupling reaction with the surface of a substrate such as glass can improve the adhesion of the cured product.
- the adhesion promoter is prepared from a biuret body of isocyanate and a silane compound containing an amine group.
- the biuret body of the isocyanate group may be represented by the following formula (1).
- R 1 to R 3 are each independently an alkylene group having 1 to 10 carbon atoms
- R 1 to R 3 may be the same or different.
- R 1 to R 3 may each independently be an alkylene group having 4 to 8 carbon atoms.
- the alkylene group may be linear or branched.
- the alkylene refers to a branched, straight or cyclic divalent radical derived by removing one hydrogen atom from a carbon atom of an alkyl group.
- the alkylene group is methylene (-CH 2 -), 1,1-ethylene (-CH(CH 3 )-), 1,2-ethylene (-CH 2 CH 2 -), 1,1-propylene (-CH(CH2CH3)-), 1,2-propylene (-CH 2 CH(CH 3 )-), 1,3-propylene (-CH 2 CH 2 CH 2 -), 1,4-butylene (-) CH 2 CH 2 CH 2 CH 2 -), 2,4-butylene (-CH 2 (CH 3 )CH 2 CH 2 -), 1,6-hexylene (-CH 2 CH 2 CH 2 CH 2 CH 2 CH 2 -), and the like, but are not limited thereto.
- the amine group-containing silane compound may be a silane compound including a secondary amine group and an alkoxy group.
- the amine group-containing silane compound is at least one selected from the group consisting of bis(trialkoxysilylalkylene)amine, N-phenyl-gamma-aminoalkylenetrialkoxy silane and 3-aminoalkylenetrialkoxy silane. may include
- Alkoxy of each component may have 1 to 5 carbon atoms, or 1 to 3 carbon atoms, for example, methoxy, ethoxy, propoxy, butoxy, and the like.
- the "alkylene” of each component may have 1 to 5, or 2 to 4 carbon atoms, and is derived by removing one hydrogen atom from a carbon atom of the alkyl group. It refers to a branched or straight chain or cyclic divalent radical. do.
- the alkylene is methylene (-CH 2 -), 1,1-ethylene (-CH(CH 3 )-), 1,2-ethylene (-CH 2 CH 2 -), 1,1-propylene (-CH(CH2CH3)-), 1,2-propylene (-CH 2 CH(CH 3 )-), 1,3-propylene (-CH 2 CH 2 CH 2 -), 1,4-butylene (-) CH 2 CH 2 CH 2 CH 2 -), 2,4-butylene (-CH 2 (CH 3 )CH 2 CH 2 -), and the like, but are not limited thereto.
- the alkylene and alkoxy may be linear or branched.
- the adhesion promoter may be prepared from 100 parts by weight of an isocyanate burette and 10 to 190 parts by weight, or 15 to 180 parts by weight of an amine group-containing silane compound. If the content of the burette body of the isocyanate is less than the above range, a problem of poor adhesion to the substrate may occur, and if it exceeds the above range, a problem of poor storability may occur. In addition, when the content of the amine group-containing silane compound is less than the above range, a problem of poor adhesion to the substrate occurs, and when it exceeds the above range, a problem of slowing internal curing may occur.
- a third plasticizer may be additionally added when the adhesion enhancer is reacted with the biuret body of isocyanate and the amine group-containing silane compound.
- the third plasticizer is not particularly limited as long as it is a plasticizer used in a commonly used paint composition, and may be, for example, a dialkyl phthalate.
- the third plasticizer may include at least one selected from the group consisting of dioctyl phthalate, dibutyl phthalate, dioctyl adipate, diisodecyl phthalate, diisononyl phthalate and dipropylheptyl phthalate.
- the adhesion promoter is prepared from 100 parts by weight of an isocyanate burette, 15 to 180 parts by weight or 20 to 175 parts by weight of an amine group-containing silane compound, and 10 to 80 parts by weight or 30 to 50 parts by weight of a third plasticizer can be If the content of the third plasticizer is less than the above range, the workability and storability of the composition may be inferior, and if it exceeds the above range, the workability of the composition may be inferior.
- the adhesion promoter may have a content (NCO%) of unreacted NCO of 2.0 to 11.0 wt%, 2.5 to 4.0 wt%, 3.0 to 3.5 wt%, or 9.5 to 10.5 wt%, based on the total weight.
- NCO% of the adhesion promoter is less than the above range, a problem of poor storage may occur, and if it exceeds the range, a problem of poor adhesion may occur.
- the adhesion promoter may have a viscosity of 3,000 to 10,000 cps, 3,000 to 5,000 cps, or 5,500 to 8,000 cps at 20°C.
- a viscosity at 20° C. of the adhesion promoter is less than the above range, a problem of poor adhesion may occur, and if it exceeds the above range, a problem of poor storage may occur.
- the adhesion promoter may have a weight average molecular weight (Mw) of 180 to 1,200 g/mol, or 520 to 860 g/mol.
- Mw weight average molecular weight
- the adhesion promoter may be included in the composition in an amount of 1 to 10 parts by weight, or 4 to 7 parts by weight based on 10 to 35 parts by weight of the first urethane-based prepolymer.
- the content of the adhesion promoter is less than the above range, a problem of poor adhesion may occur, and if it exceeds the above range, a problem of poor mechanical properties may occur.
- the polyurethane composition according to the present invention may further include at least one additive selected from the group consisting of a fourth plasticizer, a pigment and a catalyst.
- at least one additive selected from the group consisting of a fourth plasticizer, a pigment and a catalyst.
- additives that can be added to the urethane-based adhesive may be additionally included.
- the additive may be included in the composition in an amount of 20 to 55 parts by weight, or 35 to 50 parts by weight based on 10 to 35 parts by weight of the first urethane-based prepolymer.
- the fourth plasticizer controls the viscosity of the polyurethane composition and serves to impart flexibility to the cured product prepared therefrom.
- the fourth plasticizer may include a phthalate-based plasticizer.
- the phthalate-based plasticizer is not particularly limited as long as it can be used as a plasticizer for conventional urethane-based adhesives, and for example, di-butyl phthalate, di-2-ethylhexyl phthalate, It may be at least one selected from the group consisting of di-isononyl phthalate, di-isodecyl phthalate, and butylbenzyl phthalate.
- the fourth plasticizer may be included in the composition in an amount of 5 to 30 parts by weight, or 10 to 27 parts by weight based on 10 to 35 parts by weight of the first urethane-based prepolymer.
- the content of the second plasticizer is less than the above range, a problem of poor workability may occur, and when the content of the second plasticizer is greater than the above range, a problem of poor workability and adhesion may occur.
- the pigment imparts color to the composition and serves to increase mechanical properties such as hardness in the prepared cured product.
- the pigment is carbon black, calcium carbonate, titanium dioxide, iron oxide, graphite, antimony-tin oxide, mica, carbon nanotube, carbon fiber, barium sulfate, barite, aluminum silicate, kaolin, kaolinite, magnesium silicate, talc, chlorite, tremolite, silica, quartz, bauxite, dolomite, feldspar, nepheline syenite, calcium It may include at least one selected from the group consisting of silicate, wollastonite, zinc oxide, zinc phosphate, bismuth vanadate, zeolite, and pyrophyllite.
- the pigment may include carbon black and calcium carbonate.
- the pigment may be included in the composition in an amount of 10 to 48 parts by weight, or 15 to 35 parts by weight based on 10 to 35 parts by weight of the first urethane-based prepolymer.
- the composition may include 10 to 35 parts by weight or 15 to 30 parts by weight of carbon black, and 0.1 to 10 parts by weight or 1 to 5 parts by weight of calcium carbonate based on 10 to 35 parts by weight of the first urethane-based prepolymer. there is. If the content of the pigment is less than or more than the above range, it may be difficult to lower the strength of the prepared cured product or to control the viscosity of the polyurethane composition and to impart a required color to the coating film.
- the catalyst serves to control the reactivity of the polyurethane composition.
- the catalyst is not particularly limited as long as it is a catalyst that can be used in a typical urethane-based adhesive, for example, dimethyltin dioleate, dibutyltin dimaleate, dibutyltin dilaurate, dibutyltin diacetate, di Butyltin octanoate, dibutyltin mercaptide, dioctyltin dilaurate, dioctyltin mercaptide, dioctyltin dimaleate, 4,4'-(oxydi-2,1-ethanediyl)bismorpholine , and may include at least one selected from the group consisting of dimethyl-4-morpholine ethanamine.
- the catalyst may be included in the composition in an amount of 0.001 to 5 parts by weight, or 0.01 to 2 parts by weight, based on 10 to 35 parts by weight of the first urethane-based prepolymer. If the content of the catalyst is less than the above range, problems in shear strength and adhesion of the prepared coating film are inferior, and when it exceeds the above range, problems in storage and pot life of the composition may occur.
- the polyurethane composition according to the present invention as described above has excellent adhesion to the vehicle body painting surface and the ceramic glass surface, and thus the primer pretreatment process can be omitted, and the omission of the primer coating process as described above has excellent economic efficiency.
- the polyurethane composition has a suitable pot life, excellent workability, and excellent mechanical properties of the prepared coating film.
- the prepared first urethane-based prepolymer had a viscosity of 8,400 cps at 20°C, an NCO% of 1.72% by weight, and a weight average molecular weight of 9,000 g/mol.
- the content (NCO%) of unreacted NCO was measured every hour while maintaining at 85°C, and when the measured NCO% reached 1.9 to 2.0% by weight, it was cooled to 40°C. Thereafter, while maintaining the temperature at 40 ° C., 9 g of bis (trialkoxysilylpropyl) amine was added dropwise with a silane coupling agent for 30 minutes, the content of unreacted NCO (NCO%) was measured every hour, and the measured NCO% was 1.4 to 1.5 When it became weight %, it cooled to room temperature and obtained the 2nd urethane-type prepolymer.
- the prepared second urethane-based prepolymer had a viscosity of 7,500 cps at 20°C, an NCO% of 1.45% by weight, and a weight average molecular weight of 7,000 g/mol.
- the prepared adhesion enhancer-1 had a viscosity of 6,800 cps at 20°C, and the NCO% was 10% by weight.
- the prepared adhesion enhancer-2 had a viscosity of 4,000 cps at 20°C, and an NCO% of 3.1% by weight.
- a vacuum pump made of stainless steel (SUS) is connected to a mixer having a jacket capable of high-viscosity rotational stirring and wall scrubbing and heating, and the first urethane-based prepolymer of Synthesis Example 1 and the second urethane-based prepolymer of Synthesis Example 2 was added and heated to 60 °C while stirring. Thereafter, carbon black and calcium carbonate were added as pigments at 60° C., and after stirring for 20 minutes, the pressure was reduced to less than 20 Torr for 10 minutes to remove moisture.
- SUS stainless steel
- the prepared polyurethane composition had a viscosity of 19,000 Poise at 40°C, and NCO% was 1.33% by weight.
- a first urethane prepolymer was prepared in the same manner as in Synthesis Example 1, except that the contents of the first polyol, the first plasticizer, and the first isocyanate compound were adjusted as described in Tables 1 to 3.
- a second urethane prepolymer was prepared in the same manner as in Synthesis Example 2, except that the content of each component was adjusted as described in Tables 1 to 3.
- an adhesion enhancer was prepared in the same manner as in Synthesis Examples 3 or 4, except that the content of each component was adjusted as described in Tables 1 to 3.
- polyurethane composition was prepared in the same manner as in Example 1, except that the content for each component described in Tables 1 to 3 was used.
- Example 1 Example 2
- Example 3 Example 4
- Example 5 Example 6 first urethane free polymer first polyol Polypropyleneglycol (Mw: 2000g/mol) 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49 49
- Example 7 Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 first urethane free polymer first polyol Polypropyleneglycol (Mw: 2000g/mol) 49 49 49 49 130 - Polypropyleneglycol glycerol ether (Mw: 5000g/mol) 96 96 96 198 - first plasticizer Diisononyl phthalate 52 52 52 145 - primary isocyanate 1-isocyanato-4-[(4-isocyanatophenyl)methyl] benzene 22 22 22 44 - addition amount 219 219 219 517 - Second Urethane Free Polymer second polyol Polypropyleneglycol (Mw: 2000g/mol) 64 64 64 - 90 Polypropyleneglycol glycerol ether (Mw: 5000g/mol) 125 125 125 - 185 second plasticizer Diisononyl phthalate 69 69 69 - 150 secondary is
- the composition was applied to the painted surface in a thickness of 120 mm (length) ⁇ 10 mm (width) ⁇ 5 mm (thickness) and cured for 7 days at 20° C. and 65% relative humidity to form an adhesive layer. After cutting the adhesive layer on one end of the test piece with a 15 mm knife, hold the base material of the painting with one hand and peel it off using a knife at an angle of 30°. After curing, the residual area of the adhesive layer that was not peeled off compared to the total area of the adhesive layer was calculated as a percentage to evaluate the adhesion. At this time, the adhesion was evaluated to be better as the residual area was higher.
- the composition was applied and cured for 7 days at 20° C. and 65% relative humidity to prepare a 5 mm thick dogbone-shaped specimen, and then the shear strength was measured with a UTM (Universal Testing Machine).
- UTM Universal Testing Machine
- the composition was applied, it was left at 35° C. and 90% relative humidity at intervals of 4 minutes, 5 minutes, and 6 minutes, and then a specimen was prepared and the time during which delamination of the interface with the adherend did not occur was measured.
- the composition was cured for 3 days at 20° C. and 65% relative humidity to prepare a specimen having a thickness of 5 mm, and then hardness was measured with a Shore A hardness meter.
- composition was put in a frame of 250mmX120mmX1.4mm (width X length X thickness) and cured at 175° C. for about 3 hours, and then the shear modulus at 25° C. was measured using PerkinELmer DMA 8000.
- Example 1 100 3.7 1.2 47 10
- Example 2 100 3.5 1.0 45 7
- Example 3 100 3.4 1.1 46 7
- Example 4 100 3.3 1.0 46 7
- Example 5 100 3.2 1.0 45 10
- Example 6 100 3.3 1.1 46 8
- Example 7 100 3.3 1.0 45 7 Comparative Example 1 70 2.5 0.7 40 5
- Comparative Example 2 50 3.3 1.0 45 6 Comparative Example 3 60 3.5 1.2 47 5
- Comparative Example 4 85 2.1 0.6 35 7 Comparative Example 5 50 3.1 0.7 42 5
- Comparative Example 6 80 3.1 0.9 40 5
- Comparative Example 7 100 1.2 0.2 25 8
- composition of Examples had an appropriate pot life and thus excellent workability, and the coating film prepared therefrom had excellent adhesion, shear strength, shear modulus and hardness.
- composition of Comparative Example 1 including an adhesion enhancer prepared from a composition not containing an isocyanate group-containing burette body lacks workability due to insufficient pot life, and the coating film prepared therefrom has adhesion, shear strength and shear modulus. was lacking
- composition of Comparative Example 2 including the adhesion enhancer prepared from the composition not containing the amine group-containing silane compound and Comparative Example 3 without the second urethane-based prepolymer lacks pot life and workability is insufficient, from this The prepared coating film lacked adhesion.
- Comparative Example 4 not including the first urethane-based prepolymer was insufficient in adhesion, shear strength, shear modulus and hardness.
- Comparative Example 5 containing an adhesion promoter prepared from an isocyanate-containing composition that is not a biuret body
- Comparative Example 6 containing an adhesion promoter prepared from a composition containing a small amount of an amine group-containing silane compound
- the composition of Comparative Example 6 lacks pot life. The properties were poor, and the coating film prepared therefrom lacked adhesion and shear modulus.
- the coating film of Comparative Examples 7 and 9 containing the adhesion promoter prepared from the composition containing an excess of amine group-containing silane compound, and Comparative Example 8 containing the adhesion enhancer prepared from the composition containing a small amount of the amine group-containing silane compound had shear strength, It lacked shear modulus and hardness.
- the coating films of Comparative Examples 8 and 9 also lacked adhesion.
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Abstract
Description
구성 요소 (중량부) | 실시예 1 | 실시예 2 | 실시예 3 | 실시예 4 | 실시예 5 | 실시예 6 | ||
제1 우레탄 프리 폴리머 | 제1 폴리올 | Polypropyleneglycol(Mw: 2000g/mol) | 49 | 49 | 49 | 49 | 49 | 49 |
Polypropyleneglycol glycerol ether(Mw: 5000g/mol) | 96 | 96 | 96 | 96 | 96 | 96 | ||
제1 가소제 | Diisononyl phthalate | 52 | 52 | 52 | 52 | 52 | 52 | |
제1 이소시아 네이트 | 1-isocyanato-4-[(4-isocyanatophenyl)methyl] benzene | 22 | 22 | 22 | 22 | 22 | 22 | |
첨가량 | 219 | 219 | 219 | 219 | 150 | 219 | ||
제2 우레탄 프리 폴리머 | 제2 폴리올 | Polypropyleneglycol(Mw: 2000g/mol) | 64 | 64 | 54 | 45 | 79 | 64 |
Polypropyleneglycol glycerol ether (Mw: 5000g/mol) | 125 | 125 | 104 | 87 | 154 | 125 | ||
제2 가소제 | Diisononyl phthalate | 69 | 69 | 57 | 49 | 85 | 69 | |
제2 이소시아 네이트 | 1-isocyanato-4-[(4-isocyanatophenyl)methyl] benzene | 34 | 34 | 28 | 23 | 41 | 34 | |
실란 커플링제 | Bis(trimethoxysilylpropyl)amine | 9 | 9 | 7 | 6 | 11 | 9 | |
첨가량 | 301 | 301 | 250 | 210 | 370 | 301 | ||
안료 | 카본 블랙 | 220 | 220 | 220 | 220 | 220 | 220 | |
탄산 칼슘 | 30 | 30 | 30 | 30 | 30 | 30 | ||
총량 (첨가량) | 250 | 250 | 250 | 250 | 250 | 250 | ||
첨가제 | Dioctyl tin dillaurate | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | |
(4,4'(oxlydi-2,1-ethanediyl)bismorpholine) | 0.68 | 0.68 | 0.68 | 0.68 | 0.68 | 0.68 | ||
Dibutyl tin mercaptide | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | ||
제4 가소제 | Diisononyl phthalate | 174.25 | 174.25 | 225.25 | 265.25 | 174.25 | 164.25 | |
총량 (첨가량) | 175.00 | 175.00 | 226.00 | 266.00 | 175.00 | 165.00 | ||
부착 증진제 | 제3 가소제 | Diisononyl phthalate | 12 | 7 | 12 | 12 | 12 | 12 |
1,3,5-Tris(6-hydroxyhexyl)biuret triisocyanate(뷰렛체) | 30 | 20 | 30 | 30 | 30 | 37 | ||
diphenylmethane-4,4'-diisocyanate | - | - | - | - | - | - | ||
폴리올 | Propylene Glycol 400(Poly(propylene oxide) | 6 | - | 6 | 6 | 6 | 6 | |
아민기 함유 실란 화합물 | Phenyl amino silane(N-phenyl-gamma-aminopropyl trimethoxy Silane) | 7 | - | 7 | 7 | 7 | 10 | |
Bis(trimethoxysilylpropyl)amine | - | 28 | - | - | - | - | ||
총량 (첨가량) | 55 | 55 | 55 | 55 | 55 | 65 | ||
총량 (첨가량) | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 |
구성 요소 (중량부) | 실시예 7 | 비교예 1 | 비교예 2 | 비교예 3 | 비교예 4 | ||
제1 우레탄 프리 폴리머 | 제1 폴리올 | Polypropyleneglycol (Mw: 2000g/mol) | 49 | 49 | 49 | 130 | - |
Polypropyleneglycol glycerol ether(Mw: 5000g/mol) | 96 | 96 | 96 | 198 | - | ||
제1 가소제 | Diisononyl phthalate | 52 | 52 | 52 | 145 | - | |
제1 이소시아 네이트 | 1-isocyanato-4-[(4-isocyanatophenyl)methyl] benzene | 22 | 22 | 22 | 44 | - | |
첨가량 | 219 | 219 | 219 | 517 | - | ||
제2 우레탄 프리 폴리머 | 제2 폴리올 | Polypropyleneglycol (Mw: 2000g/mol) | 64 | 64 | 64 | - | 90 |
Polypropyleneglycol glycerol ether(Mw: 5000g/mol) | 125 | 125 | 125 | - | 185 | ||
제2 가소제 | Diisononyl phthalate | 69 | 69 | 69 | - | 150 | |
제2 이소시아 네이트 | 1-isocyanato-4-[(4-isocyanatophenyl)methyl] benzene | 34 | 34 | 34 | - | 65 | |
실란 커플링제 | Bis(trimethoxysilyl propyl)amine | 9 | 9 | 9 | - | 17 | |
첨가량 | 301 | 301 | 301 | - | 507 | ||
안료 | 카본 블랙 | 220 | 230 | 220 | 220 | 230 | |
탄산칼슘 | 30 | 30 | 30 | 30 | 30 | ||
총량 (첨가량) | 250 | 260 | 250 | 250 | 260 | ||
첨가제 | Dioctyl tin dillaurate | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | |
(4,4'(oxlydi-2,1-ethanediyl)bismorpholine) | 0.68 | 0.68 | 0.68 | 0.68 | 0.68 | ||
Dibutyl tin mercaptide | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | ||
제4 가소제 | Diisononyl phthalate | 181.25 | 174.25 | 174.25 | 174.25 | 174.25 | |
총량 (첨가량) | 182.00 | 175.00 | 175.00 | 175.00 | 175.00 | ||
부착 증진제 | 제3 가소제 | Diisononyl phthalate | 7 | 32 | 15 | 15 | 15 |
1,3,5-Tris(6-hydroxyhexyl)biuret triisocyanate (뷰렛체) | 15 | - | 34 | 30 | 30 | ||
diphenylmethane-4,4'-diisocyanate | - | - | - | - | - | ||
폴리올 | Propylene Glycol 400 (Poly(propyleneoxide) | - | 6 | 6 | 6 | 6 | |
아민기 함유 실란 화합물 | Phenyl amino silane (N-phenyl-gamma-aminopropyl trimethoxy Silane) | - | 7 | - | 7 | 7 | |
Bis(trimethoxysilylpropyl)amine | 26 | - | - | - | - | ||
총량 (첨가량) | 48 | 45 | 55 | 58 | 58 | ||
총량 (첨가량) | 1000 | 1000 | 1000 | 1000 | 1000 |
구성 요소 (중량부) | 비교예 5 | 비교예 6 | 비교예 7 | 비교예 8 | 비교예 9 | ||
제1 우레탄 프리 폴리머 | 제1 폴리올 | Polypropyleneglycol (Mw: 2000g/mol) | 49 | 49 | 49 | 49 | 49 |
Polypropyleneglycol glycerol ether(Mw: 5000g/mol) | 96 | 96 | 96 | 96 | 96 | ||
제1 가소제 | Diisononyl phthalate | 52 | 52 | 52 | 52 | 52 | |
제1 이소시아 네이트 | 1-isocyanato-4-[(4-isocyanatophenyl)methyl] benzene | 22 | 22 | 22 | 22 | 22 | |
첨가량 | 219 | 219 | 219 | 219 | 219 | ||
제2 우레탄 프리 폴리머 | 제2 폴리올 | Polypropyleneglycol (Mw: 2000g/mol) | 64 | 64 | 64 | 64 | 64 |
Polypropyleneglycol glycerol ether(Mw: 5000g/mol) | 125 | 125 | 125 | 125 | 125 | ||
제2 가소제 | Diisononyl phthalate | 69 | 69 | 69 | 69 | 69 | |
제2 이소시아 네이트 | 1-isocyanato-4-[(4-isocyanatophenyl)methyl] benzene | 34 | 34 | 34 | 34 | 34 | |
실란 커플링제 | Bis(trimethoxysilyl propyl)amine | 9 | 9 | 9 | 9 | 9 | |
첨가량 | 301 | 301 | 301 | 301 | 301 | ||
안료 | 카본 블랙 | 220 | 225 | 180 | 240 | 213 | |
탄산칼슘 | 30 | 30 | 17 | 37 | 25 | ||
총량 (첨가량) | 250 | 255 | 197 | 277 | 238 | ||
첨가제 | Dioctyl tin dillaurate | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | |
(4,4'(oxlydi-2,1-ethanediyl)bismorpholine) | 0.68 | 0.68 | 0.68 | 0.68 | 0.68 | ||
Dibutyl tin mercaptide | 0.04 | 0.04 | 0.04 | 0.04 | 0.04 | ||
제4 가소제 | Diisononyl phthalate | 174.25 | 174.25 | 174.25 | 174.25 | 174.25 | |
총량 (첨가량) | 175.00 | 175.00 | 175.00 | 175.00 | 175.00 | ||
부착 증진제 | 제3 가소제 | Diisononyl phthalate | 12 | 12 | 12 | 7 | 7 |
1,3,5-Tris(6-hydroxyhexyl)biuret triisocyanate (뷰렛체) | - | 30 | 30 | 20 | 20 | ||
diphenylmethane-4,4'-diisocyanate | 37 | - | - | - | - | ||
폴리올 | Propylene Glycol 400 (Poly(propyleneoxide) | 6 | 6 | 6 | - | - | |
아민기 함유 실란 화합물 | Phenyl amino silane (N-phenyl-gamma-aminopropyl trimethoxy Silane) | - | 2 | 60 | - | - | |
Bis(trimethoxysilylpropyl)amine | - | - | - | 1 | 40 | ||
총량 (첨가량) | 55 | 50 | 108 | 28 | 67 | ||
총량 (첨가량) | 1000 | 1000 | 1000 | 1000 | 1000 |
부착성(%) | 전단강도 (MPa) | 전단 모듈러스 (MPa) | 경도(Shore A) | 가사시간(hr) | |
실시예 1 | 100 | 3.7 | 1.2 | 47 | 10 |
실시예 2 | 100 | 3.5 | 1.0 | 45 | 7 |
실시예 3 | 100 | 3.4 | 1.1 | 46 | 7 |
실시예 4 | 100 | 3.3 | 1.0 | 46 | 7 |
실시예 5 | 100 | 3.2 | 1.0 | 45 | 10 |
실시예 6 | 100 | 3.3 | 1.1 | 46 | 8 |
실시예 7 | 100 | 3.3 | 1.0 | 45 | 7 |
비교예 1 | 70 | 2.5 | 0.7 | 40 | 5 |
비교예 2 | 50 | 3.3 | 1.0 | 45 | 6 |
비교예 3 | 60 | 3.5 | 1.2 | 47 | 5 |
비교예 4 | 85 | 2.1 | 0.6 | 35 | 7 |
비교예 5 | 50 | 3.1 | 0.7 | 42 | 5 |
비교예 6 | 80 | 3.1 | 0.9 | 40 | 5 |
비교예 7 | 100 | 1.2 | 0.2 | 25 | 8 |
비교예 8 | 40 | 1.0 | 0.2 | 10 | 8 |
비교예 9 | 30 | 0.8 | 0.2 | 12 | 8 |
Claims (5)
- 제1 우레탄계 프리폴리머, 제2 우레탄계 프리폴리머 및 부착증진제를 포함하고,상기 제1 우레탄계 프리폴리머는 제1 폴리올 화합물 및 제1 이소시아네이트 화합물로부터 제조되고,상기 제2 우레탄계 프리폴리머는 제2 폴리올 화합물, 제2 이소시아네이트 화합물 및 실란 커플링제로부터 제조되고,상기 부착증진제는 이소시아네이트의 뷰렛체, 및 아민기 함유 실란 화합물로부터 제조되는, 폴리우레탄 조성물.
- 청구항 1에 있어서,상기 실란 커플링제는 비스(트리알콕시실릴프로필)아민, N-2-(아미노에틸)-3-아미노프로필메틸디메톡시 실란, N-2-(아미노에틸)-3-아미노프로필트리메톡시 실란, 3-아미노프로필트리메톡시 실란, 3-아미노프로필트리에톡시 실란 및 N-페닐-3-아미노프로필트리메톡시 실란으로 이루어진 군에서 선택된 1종 이상을 포함하는, 폴리우레탄 조성물.
- 청구항 1에 있어서,상기 제1 우레탄계 프리폴리머는 미반응 NCO의 함량이 1.60 내지 1.80 중량%이고,상기 제2 우레탄계 프리폴리머는 미반응 NCO의 함량이 1.30 내지 1.60 중량%인, 폴리우레탄 조성물.
- 청구항 1에 있어서,상기 아민기 함유 실란 화합물은 2차 아민기 및 알콕시기를 포함하는 실란 화합물인, 폴리우레탄 조성물.
- 청구항 1에 있어서,제1 우레탄계 프리폴리머 10 내지 35 중량부, 제2 우레탄계 프리폴리머 20 내지 40 중량부 및 부착증진제 1 내지 10 중량부를 포함하는, 폴리우레탄 조성물.
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