JPWO2019235123A1 - 合成皮革 - Google Patents
合成皮革 Download PDFInfo
- Publication number
- JPWO2019235123A1 JPWO2019235123A1 JP2019562011A JP2019562011A JPWO2019235123A1 JP WO2019235123 A1 JPWO2019235123 A1 JP WO2019235123A1 JP 2019562011 A JP2019562011 A JP 2019562011A JP 2019562011 A JP2019562011 A JP 2019562011A JP WO2019235123 A1 JPWO2019235123 A1 JP WO2019235123A1
- Authority
- JP
- Japan
- Prior art keywords
- urethane resin
- mass
- parts
- group
- preferable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002649 leather substitute Substances 0.000 title claims abstract description 34
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims abstract description 138
- 125000000129 anionic group Chemical group 0.000 claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000010410 layer Substances 0.000 claims abstract description 36
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 35
- 239000012790 adhesive layer Substances 0.000 claims abstract description 33
- 239000002994 raw material Substances 0.000 claims abstract description 25
- 239000011342 resin composition Substances 0.000 claims abstract description 24
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000002253 acid Substances 0.000 claims abstract description 13
- 239000003945 anionic surfactant Substances 0.000 claims abstract description 11
- 125000000524 functional group Chemical group 0.000 claims abstract description 8
- -1 alkyl sulfosuccinate Chemical compound 0.000 claims description 52
- 239000000203 mixture Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 10
- 239000000758 substrate Substances 0.000 abstract description 10
- 150000003077 polyols Chemical class 0.000 description 48
- 229920005862 polyol Polymers 0.000 description 43
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 42
- 238000000034 method Methods 0.000 description 30
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 27
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 25
- 239000005056 polyisocyanate Substances 0.000 description 25
- 229920001228 polyisocyanate Polymers 0.000 description 25
- 239000004970 Chain extender Substances 0.000 description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 22
- 125000004432 carbon atom Chemical group C* 0.000 description 22
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 21
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 21
- 239000000243 solution Substances 0.000 description 19
- 150000001875 compounds Chemical class 0.000 description 18
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 17
- 239000004793 Polystyrene Substances 0.000 description 16
- 230000015572 biosynthetic process Effects 0.000 description 16
- 229920002223 polystyrene Polymers 0.000 description 16
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 15
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 14
- 238000003786 synthesis reaction Methods 0.000 description 14
- 238000005299 abrasion Methods 0.000 description 13
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 13
- 230000007062 hydrolysis Effects 0.000 description 13
- 238000006460 hydrolysis reaction Methods 0.000 description 13
- 239000004417 polycarbonate Substances 0.000 description 13
- 229920000515 polycarbonate Polymers 0.000 description 13
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 12
- 239000005058 Isophorone diisocyanate Substances 0.000 description 12
- 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 12
- 238000010992 reflux Methods 0.000 description 12
- 125000000217 alkyl group Chemical group 0.000 description 11
- 125000002947 alkylene group Chemical group 0.000 description 11
- 230000000740 bleeding effect Effects 0.000 description 11
- 229910052757 nitrogen Inorganic materials 0.000 description 11
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 10
- 125000003277 amino group Chemical group 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- 150000002009 diols Chemical class 0.000 description 9
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 9
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 9
- PSGAAPLEWMOORI-PEINSRQWSA-N medroxyprogesterone acetate Chemical compound C([C@@]12C)CC(=O)C=C1[C@@H](C)C[C@@H]1[C@@H]2CC[C@]2(C)[C@@](OC(C)=O)(C(C)=O)CC[C@H]21 PSGAAPLEWMOORI-PEINSRQWSA-N 0.000 description 9
- 239000003960 organic solvent Substances 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 9
- 229920005989 resin Polymers 0.000 description 9
- 239000011347 resin Substances 0.000 description 9
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical class CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 8
- 239000003995 emulsifying agent Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 229920001451 polypropylene glycol Polymers 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 7
- 150000003673 urethanes Chemical class 0.000 description 7
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- 239000000654 additive Substances 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 238000007664 blowing Methods 0.000 description 6
- 238000004440 column chromatography Methods 0.000 description 6
- 235000019329 dioctyl sodium sulphosuccinate Nutrition 0.000 description 6
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 5
- 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 5
- YHAIUSTWZPMYGG-UHFFFAOYSA-L disodium;2,2-dioctyl-3-sulfobutanedioate Chemical compound [Na+].[Na+].CCCCCCCCC(C([O-])=O)(C(C([O-])=O)S(O)(=O)=O)CCCCCCCC YHAIUSTWZPMYGG-UHFFFAOYSA-L 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 5
- 238000001035 drying Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 4
- RNLHGQLZWXBQNY-UHFFFAOYSA-N 3-(aminomethyl)-3,5,5-trimethylcyclohexan-1-amine Chemical compound CC1(C)CC(N)CC(C)(CN)C1 RNLHGQLZWXBQNY-UHFFFAOYSA-N 0.000 description 4
- VATRWWPJWVCZTA-UHFFFAOYSA-N 3-oxo-n-[2-(trifluoromethyl)phenyl]butanamide Chemical compound CC(=O)CC(=O)NC1=CC=CC=C1C(F)(F)F VATRWWPJWVCZTA-UHFFFAOYSA-N 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 4
- UEEJHVSXFDXPFK-UHFFFAOYSA-N N-dimethylaminoethanol Chemical compound CN(C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-N 0.000 description 4
- 239000004721 Polyphenylene oxide Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 4
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 4
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 4
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
- CKFGINPQOCXMAZ-UHFFFAOYSA-N methanediol Chemical compound OCO CKFGINPQOCXMAZ-UHFFFAOYSA-N 0.000 description 4
- 230000003472 neutralizing effect Effects 0.000 description 4
- 239000004745 nonwoven fabric Substances 0.000 description 4
- 125000006353 oxyethylene group Chemical group 0.000 description 4
- 229920000570 polyether Polymers 0.000 description 4
- 125000000472 sulfonyl group Chemical group *S(*)(=O)=O 0.000 description 4
- 239000002562 thickening agent Substances 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
- NWZSZGALRFJKBT-KNIFDHDWSA-N (2s)-2,6-diaminohexanoic acid;(2s)-2-hydroxybutanedioic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O.NCCCC[C@H](N)C(O)=O NWZSZGALRFJKBT-KNIFDHDWSA-N 0.000 description 3
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 3
- LDVVTQMJQSCDMK-UHFFFAOYSA-N 1,3-dihydroxypropan-2-yl formate Chemical compound OCC(CO)OC=O LDVVTQMJQSCDMK-UHFFFAOYSA-N 0.000 description 3
- PTBDIHRZYDMNKB-UHFFFAOYSA-N 2,2-Bis(hydroxymethyl)propionic acid Chemical compound OCC(C)(CO)C(O)=O PTBDIHRZYDMNKB-UHFFFAOYSA-N 0.000 description 3
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 3
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- KXBFLNPZHXDQLV-UHFFFAOYSA-N [cyclohexyl(diisocyanato)methyl]cyclohexane Chemical compound C1CCCCC1C(N=C=O)(N=C=O)C1CCCCC1 KXBFLNPZHXDQLV-UHFFFAOYSA-N 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 125000002091 cationic group Chemical group 0.000 description 3
- VKIRRGRTJUUZHS-UHFFFAOYSA-N cyclohexane-1,4-diamine Chemical compound NC1CCC(N)CC1 VKIRRGRTJUUZHS-UHFFFAOYSA-N 0.000 description 3
- 235000014113 dietary fatty acids Nutrition 0.000 description 3
- 239000000539 dimer Substances 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 229930195729 fatty acid Natural products 0.000 description 3
- 239000000194 fatty acid Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- IKDUDTNKRLTJSI-UHFFFAOYSA-N hydrazine monohydrate Substances O.NN IKDUDTNKRLTJSI-UHFFFAOYSA-N 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 230000002940 repellent Effects 0.000 description 3
- 239000005871 repellent Substances 0.000 description 3
- 239000000600 sorbitol Substances 0.000 description 3
- 235000010356 sorbitol Nutrition 0.000 description 3
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 2
- NNOZGCICXAYKLW-UHFFFAOYSA-N 1,2-bis(2-isocyanatopropan-2-yl)benzene Chemical compound O=C=NC(C)(C)C1=CC=CC=C1C(C)(C)N=C=O NNOZGCICXAYKLW-UHFFFAOYSA-N 0.000 description 2
- MTZUIIAIAKMWLI-UHFFFAOYSA-N 1,2-diisocyanatobenzene Chemical compound O=C=NC1=CC=CC=C1N=C=O MTZUIIAIAKMWLI-UHFFFAOYSA-N 0.000 description 2
- ZXHZWRZAWJVPIC-UHFFFAOYSA-N 1,2-diisocyanatonaphthalene Chemical compound C1=CC=CC2=C(N=C=O)C(N=C=O)=CC=C21 ZXHZWRZAWJVPIC-UHFFFAOYSA-N 0.000 description 2
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 2
- JVYDLYGCSIHCMR-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)butanoic acid Chemical compound CCC(CO)(CO)C(O)=O JVYDLYGCSIHCMR-UHFFFAOYSA-N 0.000 description 2
- NSMWYRLQHIXVAP-UHFFFAOYSA-N 2,5-dimethylpiperazine Chemical compound CC1CNC(C)CN1 NSMWYRLQHIXVAP-UHFFFAOYSA-N 0.000 description 2
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- 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 2
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- 239000004925 Acrylic resin Substances 0.000 description 2
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- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 2
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- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 2
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
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- 125000003118 aryl group Chemical group 0.000 description 2
- 150000007514 bases Chemical class 0.000 description 2
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- 150000003839 salts Chemical class 0.000 description 2
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- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
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Classifications
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Abstract
Description
(1)基材(i)、接着層(ii)、表皮層(iii)
(2)基材(i)、接着層(ii)、中間層、表皮層(iii)
(3)基材(i)、多孔層、接着層(ii)、表皮層(iii)
(4)基材(i)、多孔層、接着層(ii)、中間層、表皮層(iii)
攪拌機、還流冷却管、温度計および窒素吹込み管を備えた四つ口フラスコに、窒素気流下、ポリプロピレングリコール(数平均分子量;3,000)200質量部、2,2−ジメチロールプロピオン酸(以下、「DMPA」と略記する。)6.4質量部、ジプロピレングリコールジメチルエーテル12質量部を70℃で均一に混合した後、イソホロンジイソシアネート(以下、「IPDI」と略記する。)28質量部を加え、100℃で6時間反応させることで、イソシアネート基を有するウレタンプレポリマー溶液を得た(NCO/OH=1.1)。次いで、このウレタンプレポリマー溶液に、N,N−ジメチルエタノールアミン4.3質量部を加え、ウレタンプレポリマーのカルボキシル基を中和した後、ジオクチルスルホコハク酸ナトリウム2質量部を加えて、均一に混合した。次いで、イオン交換水441質量部を加えた後、80質量%水加ヒドラジン0.6質量部を加えて反応させ、接着層形成用ウレタン樹脂(S−1)組成物(不揮発分;35質量%、アニオン性基の濃度;0.20mmol/g)を得た。
攪拌機、還流冷却管、温度計および窒素吹込み管を備えた四つ口フラスコに、窒素気流下、ポリプロピレングリコール(数平均分子量;2,000)200質量部、DMPA5.6質量部、ジプロピレングリコールジメチルエーテル12質量部を70℃で均一に混合した後、トルエンジイソシアネート(以下、「TDI」と略記する。)27質量部を加え、100℃で6時間反応させることで、イソシアネート基を有するウレタンプレポリマー溶液を得た(NCO/OH=1.1)。次いで、このウレタンプレポリマー溶液に、N,N−ジメチルエタノールアミン3.7質量部を加え、ウレタンプレポリマーのカルボキシル基を中和した後、ジオクチルスルホコハク酸ナトリウム5質量部を加えて、均一に混合した。次いで、イオン交換水442質量部を加えた後、80質量%水加ヒドラジン0.7質量部を加えて反応させ、接着層形成用ウレタン樹脂(S−2)組成物(不揮発分;35質量%、アニオン性基の濃度;0.18mmol/g)を得た。
攪拌機、還流冷却管、温度計および窒素吹込み管を備えた四つ口フラスコに、窒素気流下、ポリプロピレングリコール(数平均分子量;2,000)200質量部、DMPA4質量部、ジプロピレングリコールジメチルエーテル12質量部を70℃で均一に混合した後、TDI23質量部を加え、100℃で6時間反応させることで、イソシアネート基を有するウレタンプレポリマー溶液を得た(NCO/OH=1.0)。次いで、このウレタンプレポリマー溶液に、N,N−ジメチルエタノールアミン3.5質量部を加え、ウレタンプレポリマーのカルボキシル基を中和した後、ジオクチルスルホコハク酸ナトリウム5質量部を加えて、均一に混合した。次いで、イオン交換水429質量部を加えた後、80質量%水加ヒドラジン0.8質量部を加えて反応させ、接着層形成用ウレタン樹脂(S−3)組成物(不揮発分;35質量%、アニオン性基の濃度;0.13mmol/g)を得た。
攪拌機、還流冷却管、温度計および窒素吹込み管を備えた四つ口フラスコに、窒素気流下、ポリプロピレングリコール(数平均分子量;2,000)200質量部、DMPA6質量部を70℃で均一に混合した後、IPDI35質量部を加え、100℃で6時間反応させることで、イソシアネート基を有するウレタンプレポリマー溶液を得た(NCO/OH=1.1)。次いで、このウレタンプレポリマーを60℃まで冷却し、アセトンを103質量部加え、均一に溶解した。このウレタンプrポリマー溶液に、トリエチルアミン4.5質量部を加え、ウレタンプレポリマーのカルボキシル基を中和した後、ジオクチルスルホコハク酸ナトリウム2質量部を加えて、均一に混合した。次いで、イオン交換水454質量部を加えた後、80質量%水加ヒドラジン0.7質量部を加えて反応させた。反応終了後、アセトンを減圧下留去することで、接着層形成用ウレタン樹脂(S−4)組成物(不揮発分;35質量%、アニオン性基の濃度;0.19mmol/g)を得た。
撹拌機、還流冷却管、温度計及び窒素還流管を備えた4ツ口フラスコに、窒素気流下、ポリカーボネートジオール(旭化成ケミカルズ株式会社製「DURANOL T5652」、数平均分子量;2,000)500質量部、片末端ジオール型反応性シリコーン(信越化学工業株式会社製「X−22−176GX−A」、数平均分子量:14,000)26質量部、DMPA8質量部、メチルエチルケトン269質量部を加え、均一に混合した後、IPDI86質量部を加え、次いでジブチル錫ジラウレート0.1質量部を加え、70℃で約4時間反応させることによって、イソシアネート基を有するウレタンプレポリマーのメチルエチルケトン溶液を得た。次いで、得られたウレタンプレポリマーのメチルエチルケトン溶液にトリエチルアミン6質量部を加え、前記ウレタンプレポリマー中のカルボキシル基を中和した後、イオン交換水1463質量部を加え、次いで、ピペラジン7質量部を加え反応させた。反応終了後、メチルエチルケトンを減圧下留去することによって、表皮層形成用ウレタン樹脂(A−1)組成物(不揮発分;30質量%、酸価;5KOHmg/g)を得た。
撹拌機、還流冷却管、温度計及び窒素還流管を備えた4ツ口フラスコに、窒素気流下、ポリカーボネートジオール(旭化成ケミカルズ株式会社製「DURANOL T5652」、数平均分子量:2,000)を500質量部、ポリテトラメチレングリコール(数平均分子量:1,000)133質量部、片末端ジオール型反応性シリコーン(信越化学工業株式会社製「X−22−176F」、数平均分子量:12,000)33質量部、DMPA17質量部、メチルエチルケトン385質量部を加え、均一に混合した後、IPDIを86質量部を加え、次いでジブチル錫ジラウレート0.1質量部を加え、70℃で約4時間反応させることによって、イソシアネート基を有するウレタンプレポリマーのメチルエチルケトン溶液を得た。次いで、得られたウレタンプレポリマーのメチルエチルケトン溶液にトリエチルアミン13質量部を加え、前記ウレタンプレポリマー中にカルボキシル基を中和した後、イオン交換水2098質量部を加え、次いで、エチレンジアミン15質量部を加え反応させた。反応終了後、メチルエチルケトンを減圧下留去することによって、表皮層形成用ウレタン樹脂(A−2)組成物(不揮発分;30質量%、酸価;8KOHmg/g)を得た。
撹拌機、還流冷却管、温度計及び窒素還流管を備えた4ツ口フラスコに、窒素気流下、ポリテトラメチレングリコール(数平均分子量:2,000)500質量部、片末端ジオール型反応性シリコーン(JNC株式会社製「サイラプレーン FM−DA21」、数平均分子量:5,000)を167質量部、DMPAを23質量部、メチルエチルケトン400質量部を加え、均一に混合した後、IPDIを203質量部を加え、次いでジブチル錫ジラウレート0.1質量部を加え、70℃で約4時間反応させることによって、イソシアネート基を有するウレタンプレポリマーのメチルエチルケトン溶液を得た。次いで、得られたウレタンプレポリマーのメチルエチルケトン溶液にトリエチルアミン18質量部を加え、前記ウレタンプレポリマー中にカルボキシル基を中和した後、イオン交換水2176質量部を加え、次いで、ピペラジンを39質量部加え反応させた。反応終了後、メチルエチルケトンを減圧下留去することによって、表皮層形成用ウレタン樹脂(A−3)組成物(不揮発分;30質量%、酸価;11KOHmg/g)を得た。
攪拌機、還流冷却管、温度計および窒素吹込み管を備えた四つ口フラスコに、窒素気流下、ポリプロピレングリコール(数平均分子量;2,000)200質量部、DMPA15質量部を70℃で均一に混合した後、IPDI52質量部を加え、100℃で6時間反応させることで、イソシアネート基を有するウレタンプレポリマー溶液を得た(NCO/OH=1.1)。次いで、このウレタンプレポリマーを60℃まで冷却し、アセトンを114質量部加え、均一に溶解した。このウレタンプレポリマー溶液に、トリエチルアミン11.3質量部を加え、ウレタンプレポリマーのカルボキシル基を中和した後、ジオクチルスルホコハク酸ナトリウム2質量部を加えて、均一に混合した。次いで、イオン交換水501質量部を加えた後、80質量%水加ヒドラジン1.1質量部を加えて反応させた。反応終了後、アセトンを減圧下留去することで、接着層形成用ウレタン樹脂(SR−1)組成物(不揮発分;35質量%、アニオン性基の濃度;0.42mmol/g)を得た。
攪拌機、還流冷却管、温度計および窒素吹込み管を備えた四つ口フラスコに、窒素気流下、ポリプロピレングリコール(数平均分子量;2,000)200質量部、DMPA6質量部を70℃で均一に混合した後、IPDI35質量部を加え、100℃で6時間反応させることで、イソシアネート基を有するウレタンプレポリマー溶液を得た(NCO/OH=1.1)。次いで、このウレタンプレポリマーを60℃まで冷却し、アセトンを103質量部加え、均一に溶解した。このウレタンプレポリマー溶液に、トリエチルアミン4.5質量部を加え、ウレタンプレポリマーのカルボキシル基を中和した後、ノニオン性乳化剤(株式会社ADEKA製「アデカプルロニックF−68」、以下「ノニオン系」と略記する。)2質量部を加えて、均一に混合した。次いで、イオン交換水454質量部を加えた後、80質量%水加ヒドラジン0.7質量部を加えて反応させた。反応終了後、アセトンを減圧下留去することで、接着層形成用ウレタン樹脂(SR−2)組成物(不揮発分;35質量%、アニオン性基の濃度;0.19mmol/g)を得た。
合成例4で得られた表皮層形成用ウレタン樹脂(A−1)組成物100質量部、水分散性黒色顔料(DIC株式会社製「ダイラックHS−9530」)を10質量部、会合型増粘剤(DIC株式会社製「ハイドラン アシスター T10」)を1質量部からなる配合液をフラット離型紙(味の素株式会社製「DN−TP−155T」)上に乾燥後の膜厚が30μmとなる様に塗布し、70℃で2分間、さらに120℃で2分間乾燥させた。
次いで、合成例1で得られた接着層形成用ウレタン樹脂(S−1)組成物100質量部、会合型増粘剤(DIC株式会社製「ハイドラン アシスター T10」)を1質量部、ポリイソシアネート系架橋剤(DIC株式会社製「ハイドラン アシスター C5」)を9質量部からなる配合液を乾燥後の膜厚が50μmとなるように塗布し、70℃で3分間乾燥させた。乾燥後直ちにポリウレタン含浸不織布を貼り合わせた後、120℃で2分間熱処理し、50℃で2日間熟成させてから離型紙を剥離して合成皮革を得た。
用いる表皮層形成用ウレタン樹脂組成物、接着層形成用ウレタン樹脂組成物の種類を表1〜3に変更した以外は、実施例1と同様にして合成皮革を得た。
合成例で用いたポリオールの数平均分子量、反応性シリコーン(a1)の数平均分子量、及び、合成例で得られたウレタン樹脂の重要平均分子量は、ゲル・パーミエーション・カラムクロマトグラフィー(GPC)法により、下記の条件で測定し得られた値を示す。
カラム:東ソー株式会社製の下記のカラムを直列に接続して使用した。
「TSKgel G5000」(7.8mmI.D.×30cm)×1本
「TSKgel G4000」(7.8mmI.D.×30cm)×1本
「TSKgel G3000」(7.8mmI.D.×30cm)×1本
「TSKgel G2000」(7.8mmI.D.×30cm)×1本
検出器:RI(示差屈折計)
カラム温度:40℃
溶離液:テトラヒドロフラン(THF)
流速:1.0mL/分
注入量:100μL(試料濃度0.4質量%のテトラヒドロフラン溶液)
標準試料:下記の標準ポリスチレンを用いて検量線を作成した。
東ソー株式会社製「TSKgel 標準ポリスチレン A−500」
東ソー株式会社製「TSKgel 標準ポリスチレン A−1000」
東ソー株式会社製「TSKgel 標準ポリスチレン A−2500」
東ソー株式会社製「TSKgel 標準ポリスチレン A−5000」
東ソー株式会社製「TSKgel 標準ポリスチレン F−1」
東ソー株式会社製「TSKgel 標準ポリスチレン F−2」
東ソー株式会社製「TSKgel 標準ポリスチレン F−4」
東ソー株式会社製「TSKgel 標準ポリスチレン F−10」
東ソー株式会社製「TSKgel 標準ポリスチレン F−20」
東ソー株式会社製「TSKgel 標準ポリスチレン F−40」
東ソー株式会社製「TSKgel 標準ポリスチレン F−80」
東ソー株式会社製「TSKgel 標準ポリスチレン F−128」
東ソー株式会社製「TSKgel 標準ポリスチレン F−288」
東ソー株式会社製「TSKgel 標準ポリスチレン F−550」
合成例で得られた表皮層形成用ウレタン樹脂組成物を乾燥し、乾燥固化した樹脂粒子の0.05g〜0.5gを、300mL三角フラスコに秤量し、次いで、テトラヒドロフランとイオン交換水との質量割合[テトラヒドロフラン/イオン交換水]が80/20の混合溶媒約80mLを加えそれらの混合液を得た。
次いで、前記混合液にフェノールフタレイン指示薬を混合した後、あらかじめ標定された0.1mol/Lの水酸化カリウム水溶液で滴定し、滴定に用いた水酸化カリウム水溶液の量から下記計算式(1)に従い、ウレタン樹脂(A)の酸価(mgKOH/g)を求めた。
計算式 A=(B×f×5.611)/S (1)
式中、Aは樹脂の固形分酸価(mgKOH/g)、Bは滴定に用いた0.1mol/L水酸化カリウム水溶液の量(mL)、fは0.1mol/L水酸化カリウム水溶液のファクター、Sは樹脂粒子の質量(g)、5.611は水酸化カリウムの式量(56.11/10)である。
実施例及び比較例で得られた合成皮革を密閉容器に入れ、温度80℃の条件下で24時間放置した後、蓋をあけて臭気を確認し、以下のように評価した。
「A」;臭気を感じない。
「B」;軽度の臭気を感じる。
「C」;強い臭気を感じる。
実施例及び比較例で得られた合成皮革を、平面摩耗試験(JASO−M403−88B法、荷重;1kg、ストローク;140mm)を行い、合成皮革の表面が摩耗し、基布が確認できるまでの回数を測定し、いかのように評価した。
「A」;30,000回以上
「B」;10,000回以上30,000回未満
「C」;10,000回未満
実施例及び比較例で得られた合成皮革を、温度70℃、湿度95%の条件下で5週間放置した後の外観を観察し、以下のように評価した。
「A」;外観に異常なし。
「B」;表面に軽度のブリード物が生じていた。
「C」;表面に多量のブリード物が生じていた。
実施例及び比較例で得られた合成皮革を70℃、湿度95%の条件下で5週間放置した。その後の外観観察および指触により、以下のように評価した。
「A」;外観・指触に異常なし。
「B」;外観に艶変化が生じたが、指触では異常は確認されなかった。
「C」;外観に艶変化が生じ、かつ、ベタツキが確認された。
Claims (4)
- 少なくとも、基材(i)、接着層(ii)、及び、表皮層(iii)を有する合成皮革であって、
前記接着層(ii)が、アニオン性基の濃度が0.25mmol/g以下であるアニオン性ウレタン樹脂(S)、水(T)、及び、アニオン性界面活性剤(U)を含有するウレタン樹脂組成物により形成されたものであり、かつ、
前記表皮層(iii)が、イソシアネート基と反応する官能基を有する反応性シリコーン(a1)を原料とするウレタン樹脂(A)、及び、水(B)を含有するウレタン樹脂組成物により形成されたものであることを特徴とする合成皮革。 - 前記ウレタン樹脂(A)が、酸価が20mgKOH/g以下のアニオン性ウレタン樹脂である請求項1記載の合成皮革。
- 前記反応性シリコーン(a1)の数平均分子量が、4,000以上である請求項1又は2記載の合成皮革。
- 前記アニオン性界面活性剤(U)が、アルキルスルホコハク酸塩である請求項1〜3のいずれか1項記載の合成皮革。
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JP2003335836A (ja) * | 2002-05-17 | 2003-11-28 | Dainippon Ink & Chem Inc | ポリウレタン樹脂の水性分散体及び水性接着剤 |
JP4106996B2 (ja) * | 2002-07-19 | 2008-06-25 | Dic株式会社 | ポリウレタン樹脂水性分散体及び水性接着剤 |
JP4361556B2 (ja) | 2005-09-27 | 2009-11-11 | 第一工業製薬株式会社 | 繊維積層体表皮層用ポリウレタン樹脂水分散体組成物、繊維積層体の製造方法及び合成皮革 |
JP2007119521A (ja) * | 2005-10-25 | 2007-05-17 | Dainippon Ink & Chem Inc | 水性接着剤 |
JP5249631B2 (ja) * | 2008-05-16 | 2013-07-31 | 大日精化工業株式会社 | 合成擬革の表皮層形成用塗料 |
US20180142409A1 (en) | 2016-04-14 | 2018-05-24 | Dic Corporation | Aqueous urethane resin composition and synthetic leather |
US11479910B2 (en) * | 2018-06-07 | 2022-10-25 | Dic Corporation | Synthetic leather |
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- 2019-05-09 JP JP2019562011A patent/JP6669324B1/ja active Active
- 2019-05-09 KR KR1020207033078A patent/KR102493050B1/ko active IP Right Grant
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- 2019-05-09 CN CN201980038185.6A patent/CN112236554B/zh active Active
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EP3786351A1 (en) | 2021-03-03 |
WO2019235123A1 (ja) | 2019-12-12 |
KR102493050B1 (ko) | 2023-01-31 |
CN112236554B (zh) | 2023-06-09 |
TWI807035B (zh) | 2023-07-01 |
TW202005796A (zh) | 2020-02-01 |
KR20210002551A (ko) | 2021-01-08 |
US11479909B2 (en) | 2022-10-25 |
CN112236554A (zh) | 2021-01-15 |
JP6669324B1 (ja) | 2020-03-18 |
EP3786351A4 (en) | 2021-07-28 |
US20210156083A1 (en) | 2021-05-27 |
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