EP3572580B1 - Objet en forme de feuille - Google Patents
Objet en forme de feuille Download PDFInfo
- Publication number
- EP3572580B1 EP3572580B1 EP17892458.5A EP17892458A EP3572580B1 EP 3572580 B1 EP3572580 B1 EP 3572580B1 EP 17892458 A EP17892458 A EP 17892458A EP 3572580 B1 EP3572580 B1 EP 3572580B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sheet
- elastomer
- polyurethane resin
- pores
- porous structure
- 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.)
- Active
Links
- 239000011148 porous material Substances 0.000 claims description 89
- 239000000463 material Substances 0.000 claims description 85
- 239000000835 fiber Substances 0.000 claims description 67
- 229920005749 polyurethane resin Polymers 0.000 claims description 62
- 229920001971 elastomer Polymers 0.000 claims description 56
- 239000000806 elastomer Substances 0.000 claims description 56
- 239000004745 nonwoven fabric Substances 0.000 claims description 43
- 229920001410 Microfiber Polymers 0.000 claims description 31
- 229920000515 polycarbonate Polymers 0.000 claims description 22
- 239000004417 polycarbonate Substances 0.000 claims description 22
- -1 polyethylene terephthalate Polymers 0.000 description 21
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 20
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 17
- 150000002009 diols Chemical class 0.000 description 14
- 230000015271 coagulation Effects 0.000 description 10
- 238000005345 coagulation Methods 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 239000002904 solvent Substances 0.000 description 10
- 239000010410 layer Substances 0.000 description 9
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 8
- 239000004744 fabric Substances 0.000 description 8
- 229920000728 polyester Polymers 0.000 description 8
- 229920002635 polyurethane Polymers 0.000 description 8
- 239000004814 polyurethane Substances 0.000 description 8
- 238000011084 recovery Methods 0.000 description 8
- 229920005862 polyol Polymers 0.000 description 7
- 150000003077 polyols Chemical class 0.000 description 7
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 6
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 6
- 239000002649 leather substitute Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 230000000007 visual effect Effects 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 5
- 239000004721 Polyphenylene oxide Substances 0.000 description 4
- 239000004793 Polystyrene Substances 0.000 description 4
- 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 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000003431 cross linking reagent Substances 0.000 description 4
- 229920000570 polyether Polymers 0.000 description 4
- 229920002223 polystyrene Polymers 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 125000005442 diisocyanate group Chemical group 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005227 gel permeation chromatography Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 3
- 239000010985 leather Substances 0.000 description 3
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 229920005992 thermoplastic resin Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- 229940043375 1,5-pentanediol Drugs 0.000 description 2
- ALVZNPYWJMLXKV-UHFFFAOYSA-N 1,9-Nonanediol Chemical compound OCCCCCCCCCO ALVZNPYWJMLXKV-UHFFFAOYSA-N 0.000 description 2
- SXFJDZNJHVPHPH-UHFFFAOYSA-N 3-methylpentane-1,5-diol Chemical compound OCCC(C)CCO SXFJDZNJHVPHPH-UHFFFAOYSA-N 0.000 description 2
- 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
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- ALQSHHUCVQOPAS-UHFFFAOYSA-N Pentane-1,5-diol Chemical compound OCCCCCO ALQSHHUCVQOPAS-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol 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
- 238000005299 abrasion Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 239000002216 antistatic agent Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- PMMYEEVYMWASQN-IMJSIDKUSA-N cis-4-Hydroxy-L-proline Chemical compound O[C@@H]1CN[C@H](C(O)=O)C1 PMMYEEVYMWASQN-IMJSIDKUSA-N 0.000 description 2
- FOTKYAAJKYLFFN-UHFFFAOYSA-N decane-1,10-diol Chemical compound OCCCCCCCCCCO FOTKYAAJKYLFFN-UHFFFAOYSA-N 0.000 description 2
- 150000004985 diamines Chemical class 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002429 hydrazines Chemical class 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 239000004611 light stabiliser Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- OEIJHBUUFURJLI-UHFFFAOYSA-N octane-1,8-diol Chemical compound OCCCCCCCCO OEIJHBUUFURJLI-UHFFFAOYSA-N 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 150000007519 polyprotic acids Polymers 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 2
- YPFDHNVEDLHUCE-UHFFFAOYSA-N propane-1,3-diol Chemical compound OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000002759 woven fabric Substances 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
- XBTRYWRVOBZSGM-UHFFFAOYSA-N (4-methylphenyl)methanediamine Chemical compound CC1=CC=C(C(N)N)C=C1 XBTRYWRVOBZSGM-UHFFFAOYSA-N 0.000 description 1
- ALQLPWJFHRMHIU-UHFFFAOYSA-N 1,4-diisocyanatobenzene Chemical compound O=C=NC1=CC=C(N=C=O)C=C1 ALQLPWJFHRMHIU-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 229940008841 1,6-hexamethylene diisocyanate Drugs 0.000 description 1
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- AXFVIWBTKYFOCY-UHFFFAOYSA-N 1-n,1-n,3-n,3-n-tetramethylbutane-1,3-diamine Chemical compound CN(C)C(C)CCN(C)C AXFVIWBTKYFOCY-UHFFFAOYSA-N 0.000 description 1
- OJRJDENLRJHEJO-UHFFFAOYSA-N 2,4-diethylpentane-1,5-diol Chemical compound CCC(CO)CC(CC)CO OJRJDENLRJHEJO-UHFFFAOYSA-N 0.000 description 1
- LCZVSXRMYJUNFX-UHFFFAOYSA-N 2-[2-(2-hydroxypropoxy)propoxy]propan-1-ol Chemical compound CC(O)COC(C)COC(C)CO LCZVSXRMYJUNFX-UHFFFAOYSA-N 0.000 description 1
- PQJZHMCWDKOPQG-UHFFFAOYSA-N 2-anilino-2-oxoacetic acid Chemical compound OC(=O)C(=O)NC1=CC=CC=C1 PQJZHMCWDKOPQG-UHFFFAOYSA-N 0.000 description 1
- SDQROPCSKIYYAV-UHFFFAOYSA-N 2-methyloctane-1,8-diol Chemical compound OCC(C)CCCCCCO SDQROPCSKIYYAV-UHFFFAOYSA-N 0.000 description 1
- WMRCTEPOPAZMMN-UHFFFAOYSA-N 2-undecylpropanedioic acid Chemical compound CCCCCCCCCCCC(C(O)=O)C(O)=O WMRCTEPOPAZMMN-UHFFFAOYSA-N 0.000 description 1
- 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 1
- YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 239000004970 Chain extender Substances 0.000 description 1
- 229920001651 Cyanoacrylate Polymers 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000005058 Isophorone diisocyanate Substances 0.000 description 1
- MWCLLHOVUTZFKS-UHFFFAOYSA-N Methyl cyanoacrylate Chemical compound COC(=O)C(=C)C#N MWCLLHOVUTZFKS-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- XMUZQOKACOLCSS-UHFFFAOYSA-N [2-(hydroxymethyl)phenyl]methanol Chemical class OCC1=CC=CC=C1CO XMUZQOKACOLCSS-UHFFFAOYSA-N 0.000 description 1
- YIMQCDZDWXUDCA-UHFFFAOYSA-N [4-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1CCC(CO)CC1 YIMQCDZDWXUDCA-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- IBVAQQYNSHJXBV-UHFFFAOYSA-N adipic acid dihydrazide Chemical compound NNC(=O)CCCCC(=O)NN IBVAQQYNSHJXBV-UHFFFAOYSA-N 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- UTTHLMXOSUFZCQ-UHFFFAOYSA-N benzene-1,3-dicarbohydrazide Chemical compound NNC(=O)C1=CC=CC(C(=O)NN)=C1 UTTHLMXOSUFZCQ-UHFFFAOYSA-N 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 235000019437 butane-1,3-diol Nutrition 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 150000004651 carbonic acid esters Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- XBZSBBLNHFMTEB-UHFFFAOYSA-N cyclohexane-1,3-dicarboxylic acid Chemical compound OC(=O)C1CCCC(C(O)=O)C1 XBZSBBLNHFMTEB-UHFFFAOYSA-N 0.000 description 1
- VKONPUDBRVKQLM-UHFFFAOYSA-N cyclohexane-1,4-diol Chemical compound OC1CCC(O)CC1 VKONPUDBRVKQLM-UHFFFAOYSA-N 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- SXCBDZAEHILGLM-UHFFFAOYSA-N heptane-1,7-diol Chemical compound OCCCCCCCO SXCBDZAEHILGLM-UHFFFAOYSA-N 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- SAMYCKUDTNLASP-UHFFFAOYSA-N hexane-2,2-diol Chemical compound CCCCC(C)(O)O SAMYCKUDTNLASP-UHFFFAOYSA-N 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 239000012796 inorganic flame retardant Substances 0.000 description 1
- 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 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000003658 microfiber Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 1
- URLKBWYHVLBVBO-UHFFFAOYSA-N p-dimethylbenzene Natural products CC1=CC=C(C)C=C1 URLKBWYHVLBVBO-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920002215 polytrimethylene terephthalate Polymers 0.000 description 1
- 235000011056 potassium acetate Nutrition 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 1
- 229960001860 salicylate Drugs 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 1
- 229940086542 triethylamine Drugs 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0004—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using ultra-fine two-component fibres, e.g. island/sea, or ultra-fine one component fibres (< 1 denier)
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0011—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using non-woven fabrics
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/004—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using flocked webs or pile fabrics upon which a resin is applied; Teasing, raising web before resin application
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0075—Napping, teasing, raising or abrading of the resin coating
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/146—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes characterised by the macromolecular diols used
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2201/00—Chemical constitution of the fibres, threads or yarns
- D06N2201/10—Conjugate fibres, e.g. core-sheath, side-by-side
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- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/06—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06N2203/068—Polyurethanes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2205/00—Condition, form or state of the materials
- D06N2205/24—Coagulated materials
- D06N2205/246—Coagulated materials by extracting the solvent
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2213/00—Others characteristics
- D06N2213/04—Perforated layer
- D06N2213/045—Perforated layer the coating layer does not completely close the openings between the fibres
Definitions
- the present invention relates to a sheet-like material, particularly to a napped leather-like sheet-like material.
- the napped leather-like sheet-like material has an appearance and a surface closely resembling to natural leather, and is recognized to have advantages which do not exist in the natural leather, such as uniformity and color fastness.
- Use of the napped leather-like sheet-like material has recently been spread to long-term uses such as covering materials for furniture such as sofa and seat covers for automobiles, in addition to clothing use. In the clothing use among them, artificial leather having both excellent softness and crease resistance has been required.
- soft artificial leather can be obtained by making a structure of the polycarbonate polyol forming the polyurethane resin specific to the hardness of the polycarbonate-based polyurethane resin which is the conventional problem.
- the softness has been still insufficient.
- a method for obtaining a suede-like, leather-like sheet whose color tone is not changed and which has an elegant appearance is proposed, the sheet being obtained in a manner in which a porous layer having micropores is formed by adding a specific coagulation modifier to a polyurethane resin and the layer is napped by grinding (see Patent Document 3).
- a good texture has been attained by controlling pore sizes in layers of nonporous polyurethane resins having various molecular weights, and in portions close to the surface layer and the fibrous base layer, but coexistence of softness and crease resistance has not been studied at all, and softness is impaired because of porous polyurethane resin layer.
- a leather-like base material having lightweight and supple texture which is composed of a porous elastomer having a specific pore size and a nonwoven fabric of porous hollow fibers (see Patent Document 5).
- the material has a soft texture because of the porous structure and is uniform, but it has been difficult to have both softness and crease resistance due to remaining creases.
- an object of the present invention is to provide a napped leather-like sheet-like material having both a texture of excellent softness and high crease resistance while it is soft.
- the sheet-like material of the present invention is a sheet-like material comprising a nonwoven fabric containing ultrafine fibers having an average single fiber diameter of 0.3 to 7 ⁇ m, and an elastomer, and having nap on a surface, wherein the elastomer has a porous structure, and the porous structure has a proportion of micropores with a pore size of 0.1 to 20 ⁇ m of 60% or more in all pores, wherein the elastomer is a polyurethane resin having a weight-average molecular weight of 30,000 to 150,000.
- the elastomer exists in an interior space in the nonwoven fabric.
- the elastomer is a polycarbonate-based polyurethane resin.
- the polyurethane resin has a weight-average molecular weight of 30,000 to 150,000.
- a number of pores per unit area in section is 50 pores/1600 ⁇ m 2 or more in the porous structure in the elastomer.
- a napped leather-like sheet-like material having both a highly soft texture and crease resistance can be obtained.
- a napped leather-like sheet-like material having an elegant appearance obtained by buffing, and further having excellent softness and crease resistance can be obtained by the present invention.
- the term "highly soft texture” means, in clothing use, that the sheet-like material can be tailored into a complicated three-dimensional shape and can provide good feeling of wearing by deformation along with the physical movement, and means, in use of furniture, automobile interior materials, or the like, that the sheet-like material can be molded or processed along with a complicated three-dimensional shape and can provide good feeling of use by flexibly following deformation caused, for example, when a person sits.
- crease resistance refers to an excellent recovery from the crease, and means that even if wrinkles are caused by applying a load, for example, a deformation caused upon the use as described above, the wrinkles disappear without leaving any trace after removing the load. It is necessary to apply appropriate elasticity to the sheet-like material in order to express the crease resistance, which is conflict with the softness, and thus it has been difficult to obtain both the softness and the crease resistance.
- the sheet-like material of the present invention is a sheet-like material comprising a nonwoven fabric containing an ultrafine fibers having an average single fiber diameter of 0.3 to 7 ⁇ m, and an elastomer, and having nap on a surface, in which the elastomer has a porous structure, and the porous structure has a proportion of micropores with a pore size of 0.1 to 20 ⁇ m of 60% or more in all pores, wherein the elastomer is a polyurethane resin having a weight-average molecular weight of 30,000 to 150,000.
- the sheet-like material of the present invention comprises, as described above, a nonwoven fabric containing ultrafine fiber, and an elastomer.
- thermoplastic resins capable of melt-spinning for example, polyesters such as polyethylene terephthalate, polybutylene terephthalate, and polytrimethylene terephthalate, polyamides such as 6-nylon and 66-nylon, and the like.
- polyesters such as polyethylene terephthalate, polybutylene terephthalate, and polytrimethylene terephthalate, polyamides such as 6-nylon and 66-nylon, and the like.
- a polyester is preferably used from the viewpoint of the strength, dimensional stability, and light resistance.
- the nonwoven fabric may be mixed with ultrafine fibers of different other materials.
- the cross-sectional shape of a single fiber forming the nonwoven fabric may have a circular cross-section, and may be an elliptical, plane, or polygonal such as triangle shape.
- a single fiber having a modified cross-section such as a sector or cruciform may also be used.
- the ultrafine fibers that form the non-woven fabric have an average single fiber diameter of 7 ⁇ m or less from the viewpoint of the softness and nap appearance of the sheet-like material.
- the average single fiber diameter is preferably 6 ⁇ m or less, and more preferably 5 ⁇ m or less.
- the average single fiber diameter is 0. 3 ⁇ m or more from the viewpoint of the chromogenic property after dying, the dispersibility of fiber bundles during buffing, and the easy handling.
- the average single fiber diameter is preferably 0.7 ⁇ m or more, and more preferably 1 ⁇ m or more.
- the average single fiber diameter herein refers to a value obtained by cutting the obtained sheet-like material in a thickness direction, observing a cross-section with a scanning electron microscope (SEM), measuring a fiber diameter of 50 arbitrary ultrafine fibers at three points, and calculating an average value of fiber diameters of a total of 150 fibers.
- SEM scanning electron microscope
- an ultrafine fiber-generating fiber As a method for obtaining the ultrafine fiber used in the present invention, use of an ultrafine fiber-generating fiber is a preferable embodiment.
- an ultrafine fiber-generating fiber an islands-in-the-sea fiber can be used in which two thermoplastic resin components having solubility in a solvent different from each other are used as a sea component and an island component, and the island component can be used as the ultrafine fiber by dissolving only the sea component in a solvent to be removed.
- a peelable composite fiber or a multilayered composite fiber can also be used in which two thermoplastic resin components are disposed alternately in a radial pattern of a fiber cross-section or in a layer pattern, and each component is peeled and divided to split the composite fiber into an ultrafine fiber.
- the nonwoven fabric it is possible to use a nonwoven fabric in which single fibers of the ultrafine fibers are entangled with one another, and a nonwoven fabric in which fiber bundles of the ultrafine fibers are entangled.
- the nonwoven fabric in which fiber bundles of the ultrafine fibers are entangled is preferably used from the viewpoint of the strength and texture of the sheet-like material.
- a nonwoven fabric having appropriate voids between the ultrafine fibers inside the fiber bundle is particularly preferably used from the viewpoint of the softness and the texture.
- the nonwoven fabric in which fiber bundles of the ultrafine fibers are entangled, as described above, can be obtained by previously entangling the ultrafine fiber-generating fibers and then generating the ultrafine fibers.
- the nonwoven fabric having appropriate voids between the ultrafine fibers inside the fiber bundle can be obtained by using islands-in-the-sea fibers which can provide appropriate voids between the island components, i.e., between the ultrafine fibers inside the fiber bundle, by removing the sea component.
- any of a staple fiber nonwoven fabric and a filament fiber nonwoven fabric can be used, and a staple fiber nonwoven fabric is preferably used from the viewpoint of the texture and the appearance.
- a staple fiber in the staple fiber nonwoven fabric preferably has a fiber length of 25 to 90 mm.
- the fiber length is set to 25 mm or more, the sheet-like material having the excellent abrasion resistance can be obtained by entanglement.
- the fiber length is set to 90 mm or less, the sheet-like material having a more excellent texture and appearance can be obtained.
- the fiber length is more preferably 35 to 80 mm, and particularly preferably 40 to 70 mm.
- a woven fabric or a knitted fabric may be inserted into the fabric in order to improve the strength.
- Fibers that form the woven fabric or the knitted fabric used have preferably an average single fiber diameter of about 0.3 to 10 ⁇ m.
- the elastomer used in the present invention has a porous structure, and a proportion of micropores with a pore size of 0.1 to 20 ⁇ m in all pores in the porous structure is 60% or more.
- the ratio of the micropores is more preferably 70% or more, and still more preferably 80% or more.
- the porous structure may have either open cells or closed cells.
- wet coagulation described below as a method for fixing the elastomer in the nonwoven fabric.
- the elastomer have the porous structure having micropores, a deformation force can be dispersedly received by not a part of the elastomer but by the whole elastomer when a crease deformation is applied to the sheet-like material. Accordingly, the generation of the creases with buckling of the elastomer is suppressed, and the sheet-like material having the excellent crease resistance can be obtained.
- the pore size is preferably 0.5 ⁇ m or more, and more preferably 1 ⁇ m or more.
- the pore size is preferably 15 ⁇ m or less, and more preferably 10 ⁇ m or less.
- the pore size is set to 20 ⁇ m or less, the pore density of the porous structure can be increased, both the softness and the appropriate strength can be obtained, and a deformation force can be dispersedly received by the whole elastomer, so that the sheet-like material having the excellent softness and the crease resistance can be obtained.
- the number of pores per unit area in the porous structure of the elastomer is 50 pores/1600 ⁇ m 2 or more, preferably 70 pores/1600 ⁇ m 2 or more, and more preferably 100 pores/1600 ⁇ m 2 or more.
- the number of pores per unit area in the porous structure of the elastomer is preferably 1000 pores/1600 ⁇ m 2 or less, and more preferably 800 pores/1600 ⁇ m 2 or less.
- the number of pores per unit area is set to 50 pores/1600 ⁇ m 2 or more, the porous structure having a soft texture is obtained and a crease deformation force of the sheet can be received by a plurality of pores. Accordingly, the excellent crease resistance can be obtained.
- the number of pores per unit area is too small, the deformation force is concentrated to specific pores to cause buckling, and the crease recovery is poor.
- the number of pores per unit area is too large, a deformation space of the pores is too small, the deformation force cannot be dispersed, and the crease recovery is poor.
- the elastomer used in the present invention holds the ultrafine fibers in the sheet-like material. It is a preferable embodiment that the elastomer exists in an interior space of the nonwoven fabric from the viewpoint of having nap on at least one surface of the sheet-like material.
- a polyurethane resin having a weight-average molecular weight of 30,000 to 150,000 is used in the point of obtaining uniform micropores in the sheet-like material.
- a polyurethane resin obtained by a reaction of a polymer diol with an organic diisocyanate is preferably used.
- polymer diol examples include polycarbonate-based, polyester-based, polyether-based, silicone-based, and fluorine-based polymer diols, and copolymers of combinations of these may also be used.
- a polycarbonate-based polymer diol is preferably used, because it can provide the appropriate rigidity to the polyurethane resin, the excellent softness can be exhibited by forming the porous structure having micropores, and the high crease resistance can be exhibited without buckling of the polyurethane resin.
- the polycarbonate-based diol can be produced by transesterification of an alkylene glycol with a carbonic acid ester, or a reaction of phosgene or chloroformic acid ester with an alkylene glycol, or the like.
- alkylene glycol examples include linear alkylene glycols such as ethylene glycol, propylene glycol, 1,4-butane diol, 1,5-pentane diol, 1,6-hexane diol, 1,9-nonane diol, and 1,10-decane diol, branched alkylene glycols such as neopentyl glycol, 3-methyl-1,5-pentane diol, 2,4-diethyl-1,5-pentane diol, and 2-methyl-1,8-octane diol, alicyclic diols such as 1,4-cyclohexane diol, aromatic diols such as bisphenol A, glycerol, trimethylol propane, and pentaerythritol. Either polycarbonate-based diols obtained from alkylene glycol alone, or copolymerized polycarbonate-based diol obtained from two or more kinds of alkylene glycol,
- polyester-based diol may include polyester diols obtained by condensation of a polybasic acid with various low molecular weight polyols.
- the low molecular weight polyols it is possible to use one or more kinds of polyols selected from, for example, ethylene glycol, 1,2-propylene glycol, 1,3-propylene glycol, 1,3-butane diol, 1,4-butane diol, 2,2-dimethyl-1,3-propane diol, 1,6-hexane diol, 3-methyl-1,5-pentane diol, 1,8-octane diol, diethylene glycol, triethylene glycol, dipropylene glycol, tripropylene glycol, cyclohexane-1,4-diol, and cyclohexane-1,4-dimethanol.
- the low molecular weight polyols it is possible to use an adduct in which bisphenol A is added with various alkylene oxides.
- polybasic acid examples include one or more kinds of acids selected from, for example, succinic acid, maleic acid, adipic acid, glutaric acid, pimelic acid, suberic acid, azelaic acid, sebacic acid, dodecane dicarboxylic acid, phthalic acid, isophthalic acid, terephthalic acid, and hexahydroisophthalic acid.
- polyether-based diol examples include polyethylene glycol, polypropylene glycol, polytetramethylene glycol, and copolymerized diols obtained by combination of these.
- the polymer diol preferably has a number-average molecular weight of 500 to 5000.
- the number-average molecular weight is set to 500 or more, and more preferably 1500 or more, it is possible to prevent the texture from being hardened.
- the number-average molecular weight is set to 5000 or less, and more preferably 4000 or less, the strength as the polyurethane resin can be maintained.
- Examples of the organic diisocyanate used in the synthesis of the polyurethane resin may include aromatic diisocyanates such as 4,4'-diphenylmethane diisocyanate, paraphenylene diisocyanate, 1,5-naphthalene diisocyanate, paraxylene diisocyanate, and methxylene diisocyanate, alicyclic diisocyanates such as 4,4'-dicyclohexylmethane diisocyanate and isophorone diisocyanate, and aliphatic diisocyanates such as 1,6-hexamethylene diisocyanate.
- aromatic diisocyanates, particularly 4,4'-diphenylmethane diisocyanate are preferably used from the viewpoint of the strength and durability such as heat resistance of the obtained polyurethane resin.
- chain extender used in the synthesis of the polyurethane resin, it is possible to use organic diols, organic diamines, hydrazine derivatives, and the like.
- organic diol may include aliphatic diols such as ethylene glycol, propylene glycol, 1,4-butane diol, neopentyl glycol, 1,5-pentane diol, methylpentane diol, 1,6-hexane diol, 1,7-heptane diol, 1,8-octane diol, 1,9-nonane diol, and 1,10-decane diol, alicyclic diols such as 1,4-cyclohexane diol and hydrogenated xylylene glycol, and aromatic diols such as xylene glycol.
- aliphatic diols such as ethylene glycol, propylene glycol, 1,4-butane diol, neopentyl glycol, 1,5-pentane diol, methylpentane diol, 1,6-hexane diol, 1,7-heptane dio
- organic diamine may include ethylene diamine, isophorone diamine, xylene diamine, phenyl diamine, and 4,4'-diaminodiphenyl methane.
- Examples of the hydrazine derivative may include hydrazine, adipic acid dihydrazide, and isophthalic acid dihydrazide.
- a cross-linking agent can be added to the polyurethane resin.
- the cross-linking agent may be an external cross-linking agent that is added to the polyurethane as a third component, or an internal cross-linking agent can be used which previously introduces a reaction point forming a cross-linked structure into a polyurethane molecular structure.
- amines such as triethyl amine and tetramethyl butane diamine
- metal compounds such as potassium acetate, zinc stearate, and tin octylate, and the like, for example.
- the polyurethane resin used in the present invention has a weight-average molecular weight (Mw) of 30, 000 to 150,000, and preferably 50,000 to 130,000.
- Mw weight-average molecular weight
- Mw weight-average molecular weight
- the weight-average molecular weight (Mw) is set to 30, 000 or more, the strength of the obtained sheet-like material can be maintained, and the loss of nap and the occurrence of pilling can be prevented.
- the weight-average molecular weight (Mw) is set to 150,000 or less, the polyurethane resin in the sheet-like material can have uniform micropores.
- the uniform and ultrafine porous structure can be obtained by the temporary softening of the polyurethane resin with heating and the evaporation of the soluble and insoluble solvents contained in the polyurethane resin after wet coagulation described below as the starting point, in the production steps usually used where the polyurethane resin is fixed into the nonwoven fabric in the wet coagulation, and then the sheet-like material containing a insoluble solvent such as water is dried with heating.
- Mw weight-average molecular weight
- the elastomer may contain polyester-based, polyamide-based, and polyolefin-based elastomers, acrylic resins, and ethylene-vinyl acetate resins within a range in which the performance and the texture are not impaired.
- the elastomer may also contain various additives, for example, pigments such as carbon black, flame retardants such as phosphorus-based, halogen-based, and inorganic flame retardants, antioxidants such as phenol-based, sulfur-based, and phosphorus-based antioxidants, UV absorbers such as benzotriazole-based, benzophenone-based, salicylate-based, cyanoacrylate-based, and oxalic acid anilide-based UV absorbers, light stabilizers such as hindered amine-based and benzoate-based light stabilizers, hydrolysis stabilizer such as polycarbodiimide, plasticizers, antistatic agents, surfactants, coagulation modifiers, dyes, and the like.
- an amount of the elastomer in the sheet-like material is preferably 10 to 50% by mass, and more preferably 15 to 35% by mass.
- the amount of the elastomer is set to 10% by mass or more, the sheet-like material obtains the strength, and it is possible to prevent fiber falling.
- the amount of the elastomer is set to 50% by mass or less, it is possible to prevent the texture from being hardened, and the desired good nap appearance can be obtained.
- Examples of the method of fixing the elastomer into the nonwoven fabric include methods in which the nonwoven fabric is impregnated with a solution of the elastomer, followed by wet coagulation or dry coagulation.
- the wet coagulation is preferably used from the viewpoint of obtaining the uniform and ultrafine porous structure as in the present invention.
- the solvent used when the polyurethane resin is given as the elastomer N,N'-dimethyl formamide, dimethyl sulfoxide, and the like may be used.
- the nonwoven fabric is immersed in a solution in which the elastomer is dissolved in the solvent to give the elastomer to the nonwoven fabric, and is immersed in the insoluble solvent for the coagulation. It is also possible to perform the coagulation by immersing the nonwoven fabric in a mixture of the soluble solvent and the insoluble solvent.
- the sheet-like material of the present invention may also be obtained by dividing the material in half or into several sections in the thickness direction of the sheet-like material before buffing.
- the addition of the antistatic agent before buffing is preferably performed, because grinded powder generated from the sheet-like material by grinding tends to be hardly accumulated on the sandpaper.
- the sheet-like material of the present invention is eventually used suitably as a napped leather-like sheet-like material in which ultrafine fibers are buffed on at least one surface of the sheet-like material.
- the buffing is performed by a method in which grinding is conducted using sandpaper, a roll sander, or the like.
- a lubricant such as a silicone emulsion is applied before the buffing.
- the sheet-like material of the present invention is eventually used suitably as a napped leather-like sheet-like material in which ultrafine fibers are buffed on at least one surface of the sheet-like material.
- the sheet-like material of the present invention can be suitably used as covering materials used in furniture, chairs, wall covering, and seats, ceilings and interior finishing products in interior of vehicles such as automobiles, trains and airplanes, and further covering materials having a very elegant appearance of clothes.
- the sheet-like material of the present invention is more specifically described by way of Examples below.
- SEM scanning electron microscope
- Pore size of porous structure of elastomer and proportion of micropores with pore size of 0.1 to 20 ⁇ m in all pores in porous structure :
- SEM scanning electron microscope
- the measurement was performed at three points, pore sizes of 150 pores in total were measured, and the proportion of the number of pores with a pore size of 0.1 to 20 ⁇ m in 150 pores was calculated, and the proportion was defined as the proportion of micropores with a pore size of 0.1 to 20 ⁇ m in the porous structure.
- the pores in the elastomers were variant pores, first, a cross-sectional area of a pore was measured, and supposing that the cross-section had a circle, the diameter was calculated to obtain a pore size (diameter) of the pore.
- the number of pores in the visual field was divided by an effective area of the elastomer, and the obtained value was converted into the number of pores per 1600 ⁇ m 2 , which was defined as the number of pores per unit area in the porous structure.
- the pore size of the pore is larger than the 40 ⁇ m ⁇ 40 ⁇ m visual field, the number of pores in the porous structure was defined as 1.
- the polyurethane resin was extracted from the obtained sheet-like material using N,N' -dimethylformamide (hereinafter may sometimes be referred to as "DMF"), the concentration of the polyurethane resin was set to 1% by mass, and a weight-average molecular weight of the polyurethane resin was measured by gel permeation chromatography (GPC) under the following conditions:
- An islands-in-the-sea fiber including a polystyrene as a sea component and a polyethylene terephthalate as an island component was drawn, crimped, and cut to obtain a raw stock for a nonwoven fabric. Subsequently, the obtained raw stock was formed into fiber webs using a cross-lapper, and needle punching was performed to obtain a nonwoven fabric.
- the thus obtained nonwoven fabric composed of the islands-in-the-sea fiber was impregnated with an aqueous solution of polyvinyl alcohol, dried, and then the polystyrene as the sea component was extracted in trichloroethylene to be removed. The resulting material was dried to obtain a nonwoven fabric composed of ultrafine fibers having an average single fiber diameter of 2.0 ⁇ m.
- the thus obtained nonwoven fabric composed of ultrafine fibers was immersed in a resin solution in which a concentration of a solution of a polycarbonate-based polyurethane resin in DMF was adjusted to 11%, and an adhesion amount of the polyurethane (PU) resin solution was controlled by using a squeeze roll. Then, the PU resin was coagulated in an aqueous solution having a DMF concentration of 30%, subsequently, polyvinyl alcohol and DMF were removed by hot water, and the resulting material was dried to obtain a sheet-like material having a PU resin content of 17% by mass. One side of the thus obtained sheet-like material was subjected to buffing using 180-mesh endless sandpaper, and then was dyed with a dispersion dye to obtain a napped leather-like sheet-like material.
- PU polyurethane
- the polyurethane resin existed only in the inside of the nonwoven fabric, the polyurethane resin had a porous structure having micropores, the proportion of micropores with a pore size of 0.1 to 20 ⁇ m in all pores in the porous structure was 85%, and the number of pores per unit area in the porous structure was 247 pores/1600 ⁇ m 2 .
- the polyurethane resin extracted from the napped leather-like sheet-like material had a weight-average molecular weight of 110,000.
- the obtained napped leather-like sheet-like material had a good nap length and dispersibility of the fibers, and had the excellent softness and the crease resistance.
- the results are shown in Table 1.
- a napped leather-like sheet-like material was manufactured in the same manner as in Example 1, except that the average single fiber diameter of the ultrafine fiber, the kind of the polyurethane resin, and the weight-average molecular weight of the polyurethane resin were changed to values shown in Table 1.
- Table 1 shows the average single fiber diameter of the ultrafine fiber, the kind of the polyurethane resin, the weight-average molecular weight of the polyurethane resin, the average particle size of the porous structure of the polyurethane in the obtained sheet-like material, the proportion of micropores with a pore size of 0.1 to 20 ⁇ m in all pores in the porous structure, the softness, and the crease resistance in each Example and each Comparative Example.
- the polyurethane resin had the porous structure having micropores, and both the excellent softness and the excellent crease resistance were obtained by adjusting the weight-average molecular weight of the polyurethane resin, the average pore size of the pores in the porous structure, the proportion of micropores with a pore size of 0.1 to 20 ⁇ m in all pores in the porous structure, and the number of pores per unit area in the porous structure.
- the porous structure was formed in the polyurethane resin by the increase of the weight-average molecular weight of the polyurethane resin, but the pores were large and ununiform, and the thickness of the polyurethane resin between the pores became thick, thus resulting in the reduced softness. Also the pore size was not uniform, and thus the crease deformation could not be received by the whole polyurethane resin, thus resulting in the poor crease resistance.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Claims (4)
- Matériau en forme de feuille comprenant un tissu non tissé contenant des fibres ultrafines ayant un diamètre moyen de fibre unique allant de 0,3 à 7 µm, et un élastomère, et ayant du poil sur une surface, dans lequel l'élastomère a une structure poreuse, et la structure poreuse a une proportion de micropores avec une taille de pores allant de 0,1 à 20 µm supérieure ou égale à 60% dans tous les pores, dans lequel l'élastomère est une résine polyuréthane ayant un poids moléculaire moyen en poids allant de 30000 à 150000.
- Matériau en forme de feuille selon la revendication 1, dans lequel l'élastomère existe dans un espace intérieur dans le tissu non tissé.
- Matériau en forme de feuille selon la revendication 1 ou 2, dans lequel l'élastomère est une résine polyuréthane à base de polycarbonate.
- Matériau en forme de feuille selon l'une quelconque des revendications 1 à 3, dans lequel le nombre de pores par unité de surface en coupe est supérieur ou égal à 50 pores/1600 µm2 dans la structure poreuse dans l'élastomère.
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JP2017009507 | 2017-01-23 | ||
PCT/JP2017/046354 WO2018135243A1 (fr) | 2017-01-23 | 2017-12-25 | Objet en forme de feuille |
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EP3572580A4 EP3572580A4 (fr) | 2020-11-18 |
EP3572580B1 true EP3572580B1 (fr) | 2021-09-08 |
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US (1) | US20190368124A1 (fr) |
EP (1) | EP3572580B1 (fr) |
JP (1) | JP7043841B2 (fr) |
KR (1) | KR20190104536A (fr) |
CN (1) | CN110191987B (fr) |
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JP2021070904A (ja) | 2019-10-30 | 2021-05-06 | 旭化成株式会社 | 人工皮革及びその製法 |
CN113696587A (zh) * | 2021-09-15 | 2021-11-26 | 清远市齐力合成革有限公司 | 一种肤感丝光3d效果柔软聚氨酯合成革 |
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JP2000303368A (ja) | 1999-04-26 | 2000-10-31 | Kuraray Co Ltd | スエード調皮革様シート |
JP4198523B2 (ja) * | 2002-05-20 | 2008-12-17 | 株式会社クラレ | 皮革様シートおよびその製造方法 |
KR101140441B1 (ko) * | 2004-03-30 | 2012-04-30 | 도레이 카부시키가이샤 | 시트상물 및 내장재 |
CN100484981C (zh) * | 2004-03-30 | 2009-05-06 | 东丽株式会社 | 片状物和内装饰材料 |
US9932705B2 (en) | 2010-03-16 | 2018-04-03 | Toray Industries, Inc. | Sheet-like material and method for producing same |
JP2012214944A (ja) | 2011-03-31 | 2012-11-08 | Kuraray Co Ltd | 皮革様基材、および該皮革様基材を用いた人工皮革,並びに研磨パッド |
JP2014001475A (ja) | 2012-06-18 | 2014-01-09 | Seiren Co Ltd | 合成皮革 |
JP2014065980A (ja) * | 2012-09-24 | 2014-04-17 | Kuraray Co Ltd | 皮革様シートおよび皮革様シートの製造方法 |
KR101800650B1 (ko) * | 2013-12-25 | 2017-11-23 | 디아이씨 가부시끼가이샤 | 연마 패드 |
KR102297654B1 (ko) * | 2014-02-27 | 2021-09-06 | 도레이 카부시키가이샤 | 시트상물 및 그의 제조 방법 |
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2017
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- 2017-12-25 KR KR1020197019835A patent/KR20190104536A/ko not_active Application Discontinuation
- 2017-12-25 CN CN201780083809.7A patent/CN110191987B/zh active Active
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WO2018135243A1 (fr) | 2018-07-26 |
CN110191987A (zh) | 2019-08-30 |
US20190368124A1 (en) | 2019-12-05 |
CN110191987B (zh) | 2022-05-13 |
KR20190104536A (ko) | 2019-09-10 |
EP3572580A1 (fr) | 2019-11-27 |
TW201833406A (zh) | 2018-09-16 |
EP3572580A4 (fr) | 2020-11-18 |
JP7043841B2 (ja) | 2022-03-30 |
JPWO2018135243A1 (ja) | 2019-11-07 |
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