JP7523020B2 - 基材接着性良好なポリウレタン樹脂、及びこれを用いた接着剤組成物 - Google Patents
基材接着性良好なポリウレタン樹脂、及びこれを用いた接着剤組成物 Download PDFInfo
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- JP7523020B2 JP7523020B2 JP2020532829A JP2020532829A JP7523020B2 JP 7523020 B2 JP7523020 B2 JP 7523020B2 JP 2020532829 A JP2020532829 A JP 2020532829A JP 2020532829 A JP2020532829 A JP 2020532829A JP 7523020 B2 JP7523020 B2 JP 7523020B2
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- Prior art keywords
- diisocyanate
- mass
- polyurethane resin
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- 229920005749 polyurethane resin Polymers 0.000 title claims description 47
- 230000001070 adhesive effect Effects 0.000 title claims description 23
- 239000000853 adhesive Substances 0.000 title claims description 22
- 239000000203 mixture Substances 0.000 title claims description 15
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- 239000004417 polycarbonate Substances 0.000 claims description 44
- 229920000515 polycarbonate Polymers 0.000 claims description 44
- 229920005862 polyol Polymers 0.000 claims description 29
- 150000003077 polyols Chemical class 0.000 claims description 26
- 125000005442 diisocyanate group Chemical group 0.000 claims description 24
- 239000004970 Chain extender Substances 0.000 claims description 13
- 239000003431 cross linking reagent Substances 0.000 claims description 10
- 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 claims description 9
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 9
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 claims description 9
- 239000005057 Hexamethylene diisocyanate Substances 0.000 claims description 8
- 239000005058 Isophorone diisocyanate Substances 0.000 claims description 8
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims description 8
- 238000007334 copolymerization reaction Methods 0.000 claims description 6
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- 238000006243 chemical reaction Methods 0.000 description 12
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- 125000004432 carbon atom Chemical group C* 0.000 description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 5
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
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- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical class CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 5
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical class O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 4
- 125000001931 aliphatic group Chemical group 0.000 description 4
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
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- YIMQCDZDWXUDCA-UHFFFAOYSA-N [4-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1CCC(CO)CC1 YIMQCDZDWXUDCA-UHFFFAOYSA-N 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 150000002170 ethers Chemical class 0.000 description 3
- 125000000524 functional group Chemical group 0.000 description 3
- 239000012948 isocyanate Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 229920006289 polycarbonate film Polymers 0.000 description 3
- 230000009257 reactivity Effects 0.000 description 3
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- 239000011347 resin Substances 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- NNOZGCICXAYKLW-UHFFFAOYSA-N 1,2-bis(2-isocyanatopropan-2-yl)benzene Chemical class O=C=NC(C)(C)C1=CC=CC=C1C(C)(C)N=C=O NNOZGCICXAYKLW-UHFFFAOYSA-N 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-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
- HNAGHMKIPMKKBB-UHFFFAOYSA-N 1-benzylpyrrolidine-3-carboxamide Chemical compound C1C(C(=O)N)CCN1CC1=CC=CC=C1 HNAGHMKIPMKKBB-UHFFFAOYSA-N 0.000 description 2
- 229920001342 Bakelite® Polymers 0.000 description 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 2
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 2
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- ALQSHHUCVQOPAS-UHFFFAOYSA-N Pentane-1,5-diol Chemical compound OCCCCCO ALQSHHUCVQOPAS-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical compound CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 125000002723 alicyclic group Chemical group 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 125000004069 aziridinyl group Chemical group 0.000 description 2
- 239000004637 bakelite Substances 0.000 description 2
- 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 2
- 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 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
- OBNCKNCVKJNDBV-UHFFFAOYSA-N butanoic acid ethyl ester Natural products CCCC(=O)OCC OBNCKNCVKJNDBV-UHFFFAOYSA-N 0.000 description 2
- 239000013522 chelant Substances 0.000 description 2
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical class C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 2
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- LZCLXQDLBQLTDK-UHFFFAOYSA-N ethyl 2-hydroxypropanoate Chemical compound CCOC(=O)C(C)O LZCLXQDLBQLTDK-UHFFFAOYSA-N 0.000 description 2
- 238000001879 gelation Methods 0.000 description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 2
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- 239000005453 ketone based solvent Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
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- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 235000013772 propylene glycol Nutrition 0.000 description 2
- 239000002994 raw material 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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- 238000003860 storage Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- NHGXDBSUJJNIRV-UHFFFAOYSA-M tetrabutylammonium chloride Chemical compound [Cl-].CCCC[N+](CCCC)(CCCC)CCCC NHGXDBSUJJNIRV-UHFFFAOYSA-M 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 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 2
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- GPLRAVKSCUXZTP-UHFFFAOYSA-N diglycerol Chemical compound OCC(O)COCC(O)CO GPLRAVKSCUXZTP-UHFFFAOYSA-N 0.000 description 1
- RZUVJGKEASRYDN-UHFFFAOYSA-N dimethyltin;dihydrate Chemical compound O.O.C[Sn]C RZUVJGKEASRYDN-UHFFFAOYSA-N 0.000 description 1
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Natural products C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- ACYQDCZIQOLHRX-UHFFFAOYSA-M dodecanoate;trimethylstannanylium Chemical compound CCCCCCCCCCCC(=O)O[Sn](C)(C)C ACYQDCZIQOLHRX-UHFFFAOYSA-M 0.000 description 1
- 238000009820 dry lamination Methods 0.000 description 1
- BXKDSDJJOVIHMX-UHFFFAOYSA-N edrophonium chloride Chemical compound [Cl-].CC[N+](C)(C)C1=CC=CC(O)=C1 BXKDSDJJOVIHMX-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- 239000000945 filler Substances 0.000 description 1
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- 239000012456 homogeneous solution Substances 0.000 description 1
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- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- AYLRODJJLADBOB-QMMMGPOBSA-N methyl (2s)-2,6-diisocyanatohexanoate Chemical compound COC(=O)[C@@H](N=C=O)CCCCN=C=O AYLRODJJLADBOB-QMMMGPOBSA-N 0.000 description 1
- 229960001047 methyl salicylate Drugs 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- JAYXSROKFZAHRQ-UHFFFAOYSA-N n,n-bis(oxiran-2-ylmethyl)aniline Chemical compound C1OC1CN(C=1C=CC=CC=1)CC1CO1 JAYXSROKFZAHRQ-UHFFFAOYSA-N 0.000 description 1
- YVOQADGLLJCMOE-UHFFFAOYSA-N n-[6-(aziridine-1-carbonylamino)hexyl]aziridine-1-carboxamide Chemical compound C1CN1C(=O)NCCCCCCNC(=O)N1CC1 YVOQADGLLJCMOE-UHFFFAOYSA-N 0.000 description 1
- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical compound C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
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- 229940049964 oleate Drugs 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 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
- 150000002989 phenols Chemical class 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920001610 polycaprolactone Polymers 0.000 description 1
- 239000004632 polycaprolactone Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000223 polyglycerol Polymers 0.000 description 1
- 239000005056 polyisocyanate Chemical class 0.000 description 1
- 229920001228 polyisocyanate Chemical class 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- KSBAEPSJVUENNK-UHFFFAOYSA-L tin(ii) 2-ethylhexanoate Chemical compound [Sn+2].CCCCC(CC)C([O-])=O.CCCCC(CC)C([O-])=O KSBAEPSJVUENNK-UHFFFAOYSA-L 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 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 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
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- 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
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- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
-
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- 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
-
- 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
- C09J175/06—Polyurethanes from polyesters
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G18/0842—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents
- C08G18/0847—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of solvents for the polymers
- C08G18/0852—Manufacture of polymers in the presence of non-reactive compounds in the presence of liquid diluents in the presence of solvents for the polymers the solvents being organic
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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
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- 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
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- C08G18/227—Catalysts containing metal compounds of antimony, bismuth or arsenic
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
- C08G18/3203—Polyhydroxy compounds
- C08G18/3206—Polyhydroxy compounds aliphatic
-
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- 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
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
- C08G18/6603—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
- C08G18/6607—Compounds of groups C08G18/42, C08G18/48, or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
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- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/73—Polyisocyanates or polyisothiocyanates acyclic
-
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- 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
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- 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
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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
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- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
- C08G18/7628—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring containing at least one isocyanate or isothiocyanate group linked to the aromatic ring by means of an aliphatic group
- C08G18/7642—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring containing at least one isocyanate or isothiocyanate group linked to the aromatic ring by means of an aliphatic group containing at least two isocyanate or isothiocyanate groups linked to the aromatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate groups, e.g. xylylene diisocyanate or homologues substituted on the aromatic ring
-
- 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
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- 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
-
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/80—Masked polyisocyanates
- C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
- C08G18/8006—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
- C08G18/8009—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203
- C08G18/8022—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203 with polyols having at least three hydroxy groups
- C08G18/8029—Masked aromatic polyisocyanates
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Description
本発明に用いるポリカーボネートポリオール(A)は、下記一般式(1)で表される構造を含むことが必要である。含有量はポリカーボネートポリオール(A)全体を100モル%としたとき、一般式(1)で表される構造を60モル%以上含有することが必要であり、好ましくは70モル%以上であり、より好ましくは75モル%以上であり、さらに好ましくは80モル%以上であり、よりさらに好ましくは90モル%以上であり、特に好ましくは95モル%以上であり、100モル%でも差し支えない。一般式(1)で表される構造を含有することでポリウレタン樹脂に柔軟性を付与し、優れた接着性および耐熱性を発現することができる。
ポリカーボネートジオール(A)の数平均分子量は下記式により算出した。
数平均分子量=(56.1×1000×価数)/水酸基価[mgKOH/g]
前記式中において、価数は1分子中の水酸基の数であり、[mgKOH/g]は水酸基価の単位である。
本発明で用いられる有機ジイソシアネート(B)は、テトラメチレンジイソシアネート、ヘキサメチレンジイソシアネート(HDI)、2-メチル-1,5-ペンタンジイソシアネート、デカメチレンジイソシアネート、3-メチル-1,5-ペンタンジイソシアネート、リジンジイソシアネート等の脂肪族ジイソシアネート;イソホロンジイソシアネート(IPDI)、水素添加トリレンジイソシアネート、水素添加ジフェニルメタンジイソシアネート、水素添加キシリレンジイソシアネート、水素添加テトラメチルキシリレンジイソシアネート、シクロヘキシルジイソシアネート等の脂環族ジイソシアネート;2,4-トリレンジイソシアネート、2,6-トリレンジイソシアネート、4,4’-ジフェニルメタンジイソシアネート(MDI)、2,4’-ジフェニルメタンジイソシアネート、2,2’-ジフェニルメタンジイソシアネート、1,5-ナフチレンジイソシアネート、1,4-ナフチレンジイソシアネート、o-フェニレンジイソシアネート、p-フェニレンジイソシアネート、m-フェニレンジイソシアネート、o-キシリレンジイソシアネート、m-キシリレンジイソシアネート、p-キシリレンジイソシアネート、テトラメチルキシリレンジイソシアネート、4,4’-ジフェニルエーテルジイソシアネート、2-ニトロジフェニル-4,4’-ジイソシアネート、2,2’-ジフェニルプロパン-4,4’-ジイソシアネート、3,3’-ジメチルジフェニルメタン-4,4’-ジイソシアネート、4,4’-ジフェニルプロパンジイソシアネート、3,3’-ジメトキシジフェニル-4,4’-ジイソシアネート等の芳香族ジイソシアネートが挙げられる。また、前記有機ジイソシアネートを2種類以上含む混合物、これらの有機ジイソシアネートのウレタン変性体、アロファネート変性体、ウレア変性体、ビウレット変性体、ウレトジオン変性体、ウレトイミン変性体、イソシアヌレート変性体、カルボジイミド変性体等が挙げられる。本発明で好ましい有機ジイソシアネートは、ヘキサメチレンジイソシアネート、イソホロンジイソシアネート、または4,4’-ジフェニルメタンジイソシアネートであり、さらには、得られるポリウレタン樹脂の溶剤溶解性が良く、また製造時のゲル化のおそれが小さく耐候性及び樹脂の機械的強度に優れるイソホロンジイソシアネートが特に好ましい。
本発明で用いられる鎖延長剤(C)は、ポリウレタン樹脂の分子鎖を延ばすものであれば特に限定されず、有機ジイソシアネート(B)と反応する基を有するものであることが好ましい。鎖延長剤(C)としては、特に限定されないが、製造時のゲル化や反応性の観点から、ポリオール化合物であることが好ましく、より好ましくはグリコール化合物である。グリコール化合物としては、脂肪族グリコール化合物、芳香族グリコール化合物または脂環族グリコール化合物のいずれでも構わないが、脂肪族グリコール化合物であることが好ましい。なかでも炭素数が10以下の直鎖または分岐の脂肪族グリコール化合物であることが好ましく、炭素数が7以下の直鎖または分岐の脂肪族グリコール化合物であることがより好ましい。下限は特に限定されないが、炭素数が2以上の直鎖または分岐の脂肪族グリコール化合物であることが好ましく、より好ましくは炭素数が3以上の直鎖または分岐の脂肪族グリコール化合物である。具体的には、エチレングリコール、1,2-プロパンジオール、1,3-プロパンジオール、1,2-ブタンジオール、1,3-ブタンジオール、1,4-ブタンジオール、1,5-ペンタンジオール、1,6-ヘキサンジオール、3-メチル-1,5-ペンタンジオール、ネオペンチルグリコール、2-エチル-4-ブチル-1,3-プロパンジオール、ジエチレングリコール、ジプロピレングリコール、ネオペンチルグリコール等が挙げられる。本発明においては、反応性、耐熱性の観点からネオペンチルグリコールまたは1,6-ヘキサンジオールが好ましい。
本発明のポリウレタン樹脂のガラス転移温度は50℃以上であることが必要である。好ましくは55℃以上であり、より好ましくは60℃以上である。前記下限値以上にすることにより、熱負荷による基材との接着性低下を抑え、流れ出しの発生を抑制することができる。また、120℃以下であることが好ましい。より好ましくは110℃以下であり、さらに好ましくは100℃以下であり、特に好ましくは95℃以下である。前記上限値以下にすることにより、基材に対する接着性の低下を抑えることができる。
本発明で用いる架橋剤は、前記ポリウレタン樹脂と反応して架橋するものであれば特に限定されない。好ましくは1分子中に2個以上の官能基を有する化合物であり、官能基としては、イソシアネート基、エポキシ基、アミノ基、メチロール基、アルコキシメチル基、イミノ基、金属キレート基、アジリジニル基等が挙げられる。具体的な化合物としては、多官能イソシアネート化合物、多官能エポキシ化合物、多官能メラミン化合物、金属架橋剤、多官能アジリジン化合物等が挙げられる。
本発明の接着剤組成物は、前記ポリウレタン樹脂および前記架橋剤を含有する組成物である。接着剤組成物の固形分中、ポリウレタン樹脂の含有量は60質量%以上であることが好ましく、より好ましくは70質量%以上であり、さらに好ましくは80質量%以上である。また、98質量%以下であることが好ましく、より好ましくは95質量%以下であり、さらに好ましくは93質量%以下である。前記範囲内で含有することにより、優れた接着性および耐熱性を発現することができる。
4mlのテトラヒドロフラン(テトラブチルアンモニウムクロライド5mM添加)に試料(ポリカーボネートポリオール(A)またはポリウレタン樹脂)4mgを溶解した後、0.2μmのメンブレンフィルターでろ過して試料溶液とした。試料溶液をゲル浸透クロマトグラフィーで分析を行った。装置はTOSOH HLC-8220、検出器は示差屈折率検出器を用い、流速1mL/分、カラム温度40℃で測定した。分子量標準には単分散ポリスチレンを使用し、数平均分子量は標準ポリスチレン換算値とし、分子量1000未満に相当する部分を省いて算出した。
ガラス転移温度は動的粘弾性の温度依存性測定結果より、保存弾性率(E')の屈折点における温度をガラス転移温度とした。得られたポリウレタン樹脂溶液をポリプロピレンフィルム(東洋紡社製P2161、厚み50μm)にウェット膜厚(乾燥前の厚み)200μmで塗布し、120℃で1時間加熱を行い、溶媒を揮発(乾燥)させた。次いで、ポリプロピレンフィルムからポリウレタン樹脂溶液の乾燥後フィルムを剥がし、ポリウレタン樹脂の試料フィルムとした。該試料フィルムのガラス転移温度を測定した。装置は、アイティー計測制御株式会社製の動的粘弾性測定装置DVA-220を使用し、0℃~150℃(4℃/min、10Hz)の温度依存性を測定した。
温度計、攪拌機、還流式冷却管および蒸留管を具備した反応容器に、UC-100(宇部興産製ポリカーボネートジオール)を100部、ネオペンチルグリコールを5部、メチルエチルケトン(MEK)を204部仕込み、溶解後、イソホロンジイソシアネート31部を投入し、撹拌して均一溶液とした。その後、触媒としてBiCAT8210(The Shepherd Chemical Company製)を0.5部加え75℃で5時間反応させた。充分に反応させて、メチルエチルケトン(MEK)を113部投入し攪拌後、目的とする固形分濃度(NV)30質量%のポリウレタン樹脂(U1)の溶液を得た。この様にして得られたポリウレタン樹脂(U1)の特性を表1に示す。
ポリウレタン樹脂(U1)の製造例と同様にして、但し、原料の種類と配合比率を変更して、ポリウレタン樹脂(U2)~(U10)を得た。それらの特性を表1に示す。
前記ポリウレタン樹脂(U1)~(U10)を用いて積層体を作製し、初期接着力(接着性)および耐熱性の評価を行った。なお、実施例8については、架橋剤としてD-110N(三井化学製、固形分濃度75質量%)をポリウレタン樹脂溶液100質量部(固形分換算30質量部)に対し、4質量部(固形分換算3質量部)添加して評価した。
ポリカーボネートフィルム(住友ベークライト製、EC105、0.5mm)にポリウレタン樹脂(P1)の溶液をドライ膜厚(乾燥後の膜厚)が5μmになるようにバーコーターで塗布し、120℃で3分間加熱を行い、溶媒を揮発(乾燥)させた。次いで、前記フィルムのポリウレタン樹脂面にポリカーボネートフィルム(住友ベークライト製、EC105、0.5mm)をドライラミネーターを用いて圧着(ドライラミネーション)させた。ドライラミネーションは、ロール温度120℃、ロール荷重3kg/cm、被圧着物速度1m/分で行った。次いで、80℃、1時間のエージングを行ない、積層体を得た。
前記積層体を幅15mmの短冊状に切り取り、テンシロン(登録商標)(東洋測器(株)製、UTM-IV)での剥離(T型ピール剥離、引っ張り速度100mm/分)を行い、剥離の様子を観察して接着性を評価した。評価結果を表2に示す。
(評価)
○:接着剤凝集破壊または材料破壊となった。
△:界面剥離で、かつ接着強度が10N/15mmであった。
×:接着強度が10N/15mm未満であった。
前記積層体を105℃で300時間処理(静置)を行い、初期接着力試験と同様に接着性を評価した。
(評価)
◎:浮きは発生せず、接着剤凝集破壊または材料破壊となった。
○:浮きは発生せず、主に凝集剥離であるが、一部界面剥離となった。
△:浮きは発生せず、界面剥離となった。
×:浮きが発生した。
UC-100:1,4-シクロヘキサンジメタノールをベースとした宇部興産製のポリカーボネートジオール、数平均分子量=1000、ポリカーボネートポリオール(A)における、一般式(1)で示される構造の含有比率100モル%
UH-100:1,6-ヘキサンジオールをベースとした宇部興産製のポリカーボネートジオール、数平均分子量=1000、ポリカーボネートポリオール(A)における、一般式(1)で示される構造の含有比率0モル%
PH-100:1,6-ヘキサンジオールと1,5-ペンタンジオールをベースとした宇部興産製のポリカーボネートジオール、数平均分子量=1000、ポリカーボネートポリオール(A)における、一般式(1)で示される構造の含有比率0モル%
UM-90(3/1):1,4-シクロヘキサンジメタノールと1,6-ヘキサンジオールをベースとした宇部興産製のポリカーボネートジオール、数平均分子量=900、ポリカーボネートポリオール(A)における、一般式(1)で示される構造の含有比率75モル%
UM-90(1/1):1,4-シクロヘキサンジメタノールと1,6-ヘキサンジオールをベースとした宇部興産製のポリカーボネートジオール、数平均分子量=900、ポリカーボネートポリオール(A)における、一般式(1)で示される構造の含有比率50モル%
D-110N:三井化学製、メタキシリレンジイソシアネートのトリメチロールプロパンアダクト体、固形分比率75質量%
IPDI:イソホロンジイソシアネート
MDI:ジフェニルメタンジイソシアネート
HDI:ヘキサメチレンジイソシアネート
NPG:ネオペンチルグリコール
HD:1,6-ヘキサンジオール
Claims (3)
- 共重合成分として、ポリカーボネートポリオール(A)、有機ジイソシアネート(B)および鎖延長剤(C)を含有するポリウレタン樹脂であって、ポリカーボネートポリオール(A)中、下記一般式(1)で表される構造を60モル%以上含有し、ガラス転移温度が50℃以上であり、有機ジイソシアネート(B)の共重合量が、ポリカーボネートポリオール(A)100質量部に対して、1質量部以上、50質量部以下であり、鎖延長剤(C)がネオペンチルグリコールであるポリウレタン樹脂。
[化1]
(一般式(1)において、nは1~20の整数を示す。) - 前記有機ジイソシアネート(B)がイソホロンジイソシアネート、4,4’-ジフェニルメタンジイソシアネートまたはヘキサメチレンジイソシアネートである請求項1に記載のポリウレタン樹脂。
- 請求項1又は2に記載のポリウレタン樹脂および架橋剤を含有する接着剤組成物。
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JP2012052103A (ja) | 2010-08-05 | 2012-03-15 | Ube Industries Ltd | 水性ポリウレタン樹脂分散体組成物及びその製造方法 |
JP2015078274A (ja) | 2013-10-15 | 2015-04-23 | 宇部興産株式会社 | 水性樹脂分散体組成物及びその使用 |
WO2015174187A1 (ja) | 2014-05-12 | 2015-11-19 | 宇部興産株式会社 | ポリウレタン樹脂 |
JP2016204465A (ja) | 2015-04-17 | 2016-12-08 | 宇部興産株式会社 | 水性艶消し塗料及びそれを用いた積層体 |
JP2018062538A (ja) | 2016-10-10 | 2018-04-19 | 宇部興産株式会社 | 水性樹脂分散体組成物 |
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US12012479B2 (en) | 2024-06-18 |
US20210380754A1 (en) | 2021-12-09 |
EP3892699A4 (en) | 2022-08-03 |
EP3892699A1 (en) | 2021-10-13 |
KR20210097711A (ko) | 2021-08-09 |
WO2020116109A1 (ja) | 2020-06-11 |
TWI831873B (zh) | 2024-02-11 |
JPWO2020116109A1 (ja) | 2021-10-14 |
JP2024105372A (ja) | 2024-08-06 |
EP3892699B1 (en) | 2024-07-31 |
CN113166616A (zh) | 2021-07-23 |
CN113166616B (zh) | 2023-02-03 |
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