WO2023112533A1 - Feuille polarisante - Google Patents
Feuille polarisante Download PDFInfo
- Publication number
- WO2023112533A1 WO2023112533A1 PCT/JP2022/040832 JP2022040832W WO2023112533A1 WO 2023112533 A1 WO2023112533 A1 WO 2023112533A1 JP 2022040832 W JP2022040832 W JP 2022040832W WO 2023112533 A1 WO2023112533 A1 WO 2023112533A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polarizing
- polarizing film
- acid
- film
- yellow
- Prior art date
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- HSXUHWZMNJHFRV-UHFFFAOYSA-L disodium;6-oxido-5-phenyldiazenyl-4-sulfonaphthalene-2-sulfonate Chemical compound [Na+].[Na+].OC1=CC=C2C=C(S([O-])(=O)=O)C=C(S([O-])(=O)=O)C2=C1N=NC1=CC=CC=C1 HSXUHWZMNJHFRV-UHFFFAOYSA-L 0.000 description 1
- BMYUQZABARGLAD-UHFFFAOYSA-L disodium;8-(4-methylanilino)-5-[[4-[(3-sulfonatophenyl)diazenyl]naphthalen-1-yl]diazenyl]naphthalene-1-sulfonate Chemical compound [Na+].[Na+].C1=CC(C)=CC=C1NC(C1=C(C=CC=C11)S([O-])(=O)=O)=CC=C1N=NC(C1=CC=CC=C11)=CC=C1N=NC1=CC=CC(S([O-])(=O)=O)=C1 BMYUQZABARGLAD-UHFFFAOYSA-L 0.000 description 1
- HBINTOQGSKHKJI-UHFFFAOYSA-L disodium;8-[[3-methyl-4-(4-methylphenyl)sulfonyloxyphenyl]diazenyl]-5-[[4-(4-nitro-2-sulfonatoanilino)phenyl]diazenyl]naphthalene-2-sulfonate Chemical compound [Na+].[Na+].C1=CC(C)=CC=C1S(=O)(=O)OC1=CC=C(N=NC=2C3=CC(=CC=C3C(N=NC=3C=CC(NC=4C(=CC(=CC=4)[N+]([O-])=O)S([O-])(=O)=O)=CC=3)=CC=2)S([O-])(=O)=O)C=C1C HBINTOQGSKHKJI-UHFFFAOYSA-L 0.000 description 1
- XPRMZBUQQMPKCR-UHFFFAOYSA-L disodium;8-anilino-5-[[4-[(3-sulfonatophenyl)diazenyl]naphthalen-1-yl]diazenyl]naphthalene-1-sulfonate Chemical compound [Na+].[Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C3=CC=CC=C3C(N=NC=3C4=CC=CC(=C4C(NC=4C=CC=CC=4)=CC=3)S([O-])(=O)=O)=CC=2)=C1 XPRMZBUQQMPKCR-UHFFFAOYSA-L 0.000 description 1
- 239000000986 disperse dye Substances 0.000 description 1
- 239000003822 epoxy resin Substances 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
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- WTIFIAZWCCBCGE-UUOKFMHZSA-N guanosine 2'-monophosphate Chemical compound C1=2NC(N)=NC(=O)C=2N=CN1[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1OP(O)(O)=O WTIFIAZWCCBCGE-UUOKFMHZSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- KQSBZNJFKWOQQK-UHFFFAOYSA-N hystazarin Natural products O=C1C2=CC=CC=C2C(=O)C2=C1C=C(O)C(O)=C2 KQSBZNJFKWOQQK-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910017053 inorganic salt Inorganic materials 0.000 description 1
- CESXSDZNZGSWSP-UHFFFAOYSA-L manganese(2+);diacetate;tetrahydrate Chemical compound O.O.O.O.[Mn+2].CC([O-])=O.CC([O-])=O CESXSDZNZGSWSP-UHFFFAOYSA-L 0.000 description 1
- ONJSLAKTVIZUQS-UHFFFAOYSA-K manganese(3+);triacetate;dihydrate Chemical compound O.O.[Mn+3].CC([O-])=O.CC([O-])=O.CC([O-])=O ONJSLAKTVIZUQS-UHFFFAOYSA-K 0.000 description 1
- SCVOEYLBXCPATR-UHFFFAOYSA-L manganese(II) sulfate pentahydrate Chemical compound O.O.O.O.O.[Mn+2].[O-]S([O-])(=O)=O SCVOEYLBXCPATR-UHFFFAOYSA-L 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- CKWUOVPZRGZTSZ-QFHYWFJHSA-M mordant brown 33 Chemical compound [Na+].NC1=CC(N)=C(S([O-])(=O)=O)C=C1N\N=C/1C(=O)C=CC([N+]([O-])=O)=C\1 CKWUOVPZRGZTSZ-QFHYWFJHSA-M 0.000 description 1
- 239000000983 mordant dye Substances 0.000 description 1
- RRIWRJBSCGCBID-UHFFFAOYSA-L nickel sulfate hexahydrate Chemical compound O.O.O.O.O.O.[Ni+2].[O-]S([O-])(=O)=O RRIWRJBSCGCBID-UHFFFAOYSA-L 0.000 description 1
- AOPCKOPZYFFEDA-UHFFFAOYSA-N nickel(2+);dinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O AOPCKOPZYFFEDA-UHFFFAOYSA-N 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- ZJEFYLVGGFISGT-UHFFFAOYSA-L olsalazine sodium Chemical compound [Na+].[Na+].C1=C(C([O-])=O)C(O)=CC=C1N=NC1=CC=C(O)C(C([O-])=O)=C1 ZJEFYLVGGFISGT-UHFFFAOYSA-L 0.000 description 1
- HSXUHWZMNJHFRV-QIKYXUGXSA-L orange G Chemical compound [Na+].[Na+].OC1=CC=C2C=C(S([O-])(=O)=O)C=C(S([O-])(=O)=O)C2=C1\N=N\C1=CC=CC=C1 HSXUHWZMNJHFRV-QIKYXUGXSA-L 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- GCFAQSYBSUQUPL-UHFFFAOYSA-I pentasodium 5-[[4-chloro-6-[3-(2-sulfonatooxyethylsulfonyl)anilino]-1,3,5-triazin-2-yl]amino]-3-[(1,5-disulfonatonaphthalen-2-yl)diazenyl]-4-hydroxynaphthalene-2,7-disulfonate Chemical compound [Na+].[Na+].[Na+].[Na+].[Na+].Oc1c(N=Nc2ccc3c(cccc3c2S([O-])(=O)=O)S([O-])(=O)=O)c(cc2cc(cc(Nc3nc(Cl)nc(Nc4cccc(c4)S(=O)(=O)CCOS([O-])(=O)=O)n3)c12)S([O-])(=O)=O)S([O-])(=O)=O GCFAQSYBSUQUPL-UHFFFAOYSA-I 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
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- IPEHBUMCGVEMRF-UHFFFAOYSA-N pyrazinecarboxamide Chemical compound NC(=O)C1=CN=CC=N1 IPEHBUMCGVEMRF-UHFFFAOYSA-N 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000004172 quinoline yellow Substances 0.000 description 1
- FZUOVNMHEAPVBW-UHFFFAOYSA-L quinoline yellow ws Chemical compound [Na+].[Na+].O=C1C2=CC=CC=C2C(=O)C1C1=NC2=C(S([O-])(=O)=O)C=C(S(=O)(=O)[O-])C=C2C=C1 FZUOVNMHEAPVBW-UHFFFAOYSA-L 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 239000000985 reactive dye Substances 0.000 description 1
- 235000012739 red 2G Nutrition 0.000 description 1
- 239000004180 red 2G Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- KUIXZSYWBHSYCN-UHFFFAOYSA-L remazol brilliant blue r Chemical compound [Na+].[Na+].C1=C(S([O-])(=O)=O)C(N)=C2C(=O)C3=CC=CC=C3C(=O)C2=C1NC1=CC=CC(S(=O)(=O)CCOS([O-])(=O)=O)=C1 KUIXZSYWBHSYCN-UHFFFAOYSA-L 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- QHMUUKSTOXAOST-UHFFFAOYSA-M sodium 2,4-diamino-5-[(2-hydroxy-5-nitrophenyl)diazenyl]benzenesulfonate Chemical compound [Na+].Nc1cc(N)c(cc1N=Nc1cc(ccc1O)[N+]([O-])=O)S([O-])(=O)=O QHMUUKSTOXAOST-UHFFFAOYSA-M 0.000 description 1
- VMGPESHNHVBCDP-UHFFFAOYSA-M sodium 3-[(8-acetamido-2-hydroxynaphthalen-1-yl)diazenyl]-5-chloro-2-hydroxybenzenesulfonate Chemical compound [Na+].CC(=O)Nc1cccc2ccc(O)c(N=Nc3cc(Cl)cc(c3O)S([O-])(=O)=O)c12 VMGPESHNHVBCDP-UHFFFAOYSA-M 0.000 description 1
- LYZQCTRTDQFROA-UHFFFAOYSA-N sodium 4-hydroxy-7-[[5-hydroxy-7-sulfo-6-[(6-sulfonaphthalen-2-yl)diazenyl]naphthalen-2-yl]carbamoylamino]-3-phenyldiazenylnaphthalene-2-sulfonic acid Chemical compound C1=CC=C(C=C1)N=NC2=C(C=C3C=C(C=CC3=C2O)NC(=O)NC4=CC5=CC(=C(C(=C5C=C4)O)N=NC6=CC7=C(C=C6)C=C(C=C7)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O.[Na+] LYZQCTRTDQFROA-UHFFFAOYSA-N 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- QUBWRMVVDDDDBG-UHFFFAOYSA-M sodium;1-amino-4-(4-butylanilino)-9,10-dioxoanthracene-2-sulfonate Chemical compound [Na+].C1=CC(CCCC)=CC=C1NC1=CC(S([O-])(=O)=O)=C(N)C2=C1C(=O)C1=CC=CC=C1C2=O QUBWRMVVDDDDBG-UHFFFAOYSA-M 0.000 description 1
- MHHGZCMFNNAVCQ-UHFFFAOYSA-M sodium;1-amino-4-[3-(2-hydroxyethylsulfamoyl)-4,5-dimethylanilino]-9,10-dioxoanthracene-2-sulfonate Chemical compound [Na+].OCCNS(=O)(=O)C1=C(C)C(C)=CC(NC=2C=3C(=O)C4=CC=CC=C4C(=O)C=3C(N)=C(C=2)S([O-])(=O)=O)=C1 MHHGZCMFNNAVCQ-UHFFFAOYSA-M 0.000 description 1
- RRETZLLHOMHNNB-UHFFFAOYSA-M sodium;1-amino-9,10-dioxo-4-(2,4,6-trimethylanilino)anthracene-2-sulfonate Chemical compound [Na+].CC1=CC(C)=CC(C)=C1NC1=CC(S([O-])(=O)=O)=C(N)C2=C1C(=O)C1=CC=CC=C1C2=O RRETZLLHOMHNNB-UHFFFAOYSA-M 0.000 description 1
- PHBKXNWUWOCVEI-UHFFFAOYSA-M sodium;3-[[4-[(2-ethoxy-5-methylphenyl)diazenyl]naphthalen-1-yl]diazenyl]benzenesulfonate Chemical compound [Na+].CCOC1=CC=C(C)C=C1N=NC(C1=CC=CC=C11)=CC=C1N=NC1=CC=CC(S([O-])(=O)=O)=C1 PHBKXNWUWOCVEI-UHFFFAOYSA-M 0.000 description 1
- NTOOJLUHUFUGQI-UHFFFAOYSA-M sodium;4-(4-acetamidoanilino)-1-amino-9,10-dioxoanthracene-2-sulfonate Chemical compound [Na+].C1=CC(NC(=O)C)=CC=C1NC1=CC(S([O-])(=O)=O)=C(N)C2=C1C(=O)C1=CC=CC=C1C2=O NTOOJLUHUFUGQI-UHFFFAOYSA-M 0.000 description 1
- UWGCNDBLFSEBDW-UHFFFAOYSA-M sodium;4-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]naphthalene-2,7-disulfonate Chemical compound [Na+].C1=CC(N(CC)CC)=CC=C1C(C=1C2=CC=C(C=C2C=C(C=1)S([O-])(=O)=O)S([O-])(=O)=O)=C1C=CC(=[N+](CC)CC)C=C1 UWGCNDBLFSEBDW-UHFFFAOYSA-M 0.000 description 1
- MTNKEJFOGYPHON-AAKIMCHBSA-N sodium;5-[(z)-(3-carboxy-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)-(2,6-dichlorophenyl)methyl]-2-hydroxy-3-methylbenzoic acid Chemical compound [Na+].C1=C(C(O)=O)C(=O)C(C)=C\C1=C(C=1C(=CC=CC=1Cl)Cl)/C1=CC(C)=C(O)C(C(O)=O)=C1 MTNKEJFOGYPHON-AAKIMCHBSA-N 0.000 description 1
- FHIODWDKXMVJGO-UHFFFAOYSA-N sodium;8-anilino-5-[[4-[(5-sulfonaphthalen-1-yl)diazenyl]naphthalen-1-yl]diazenyl]naphthalene-1-sulfonic acid Chemical compound [Na+].C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1N=NC(C1=CC=CC=C11)=CC=C1N=NC(C1=CC=CC(=C11)S(O)(=O)=O)=CC=C1NC1=CC=CC=C1 FHIODWDKXMVJGO-UHFFFAOYSA-N 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 235000012756 tartrazine Nutrition 0.000 description 1
- 239000004149 tartrazine Substances 0.000 description 1
- UJMBCXLDXJUMFB-GLCFPVLVSA-K tartrazine Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)C1=NN(C=2C=CC(=CC=2)S([O-])(=O)=O)C(=O)C1\N=N\C1=CC=C(S([O-])(=O)=O)C=C1 UJMBCXLDXJUMFB-GLCFPVLVSA-K 0.000 description 1
- UIEBGVDTKLYGTN-UHFFFAOYSA-J tetrasodium;7-[[2-(carbamoylamino)-4-[[4-chloro-6-[3-(2-sulfonatooxyethylsulfonyl)anilino]-1,3,5-triazin-2-yl]amino]phenyl]diazenyl]naphthalene-1,3,6-trisulfonate Chemical compound [Na+].[Na+].[Na+].[Na+].C=1C=C(N=NC=2C(=CC3=CC(=CC(=C3C=2)S([O-])(=O)=O)S([O-])(=O)=O)S([O-])(=O)=O)C(NC(=O)N)=CC=1NC(N=1)=NC(Cl)=NC=1NC1=CC=CC(S(=O)(=O)CCOS([O-])(=O)=O)=C1 UIEBGVDTKLYGTN-UHFFFAOYSA-J 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- XAQCRMBBLVHCHU-UHFFFAOYSA-K trisodium 2-[[6-[(5-chloro-2,6-difluoropyrimidin-4-yl)amino]-1-hydroxy-3-sulfonatonaphthalen-2-yl]diazenyl]naphthalene-1,5-disulfonate Chemical compound [Na+].[Na+].[Na+].Oc1c(N=Nc2ccc3c(cccc3c2S([O-])(=O)=O)S([O-])(=O)=O)c(cc2cc(Nc3nc(F)nc(F)c3Cl)ccc12)S([O-])(=O)=O XAQCRMBBLVHCHU-UHFFFAOYSA-K 0.000 description 1
- QTFHTNFVUCUDIR-UHFFFAOYSA-K trisodium 6-[(2,4-diaminophenyl)diazenyl]-3-[[4-[4-[[7-[(2,4-diaminophenyl)diazenyl]-1-hydroxy-3-sulfonatonaphthalen-2-yl]diazenyl]-2-sulfonatoanilino]phenyl]diazenyl]-4-hydroxynaphthalene-2-sulfonate Chemical compound C1=CC(=CC=C1NC2=C(C=C(C=C2)N=NC3=C(C=C4C=CC(=CC4=C3[O-])N=NC5=C(C=C(C=C5)N)N)S(=O)(=O)O)S(=O)(=O)[O-])N=NC6=C(C=C7C=CC(=CC7=C6[O-])N=NC8=C(C=C(C=C8)N)N)S(=O)(=O)O.[Na+].[Na+].[Na+] QTFHTNFVUCUDIR-UHFFFAOYSA-K 0.000 description 1
- MBAYVHBJJXOOIY-UHFFFAOYSA-K trisodium 7-[[4-chloro-6-(3-sulfonatoanilino)-1,3,5-triazin-2-yl]-methylamino]-4-hydroxy-3-[(2-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate Chemical compound [Na+].[Na+].[Na+].CN(c1ccc2c(O)c(N=Nc3ccccc3S([O-])(=O)=O)c(cc2c1)S([O-])(=O)=O)c1nc(Cl)nc(Nc2cccc(c2)S([O-])(=O)=O)n1 MBAYVHBJJXOOIY-UHFFFAOYSA-K 0.000 description 1
- DLPITEUCXDBWSF-UHFFFAOYSA-K trisodium N-[8-oxido-7-[[2-oxido-4-(2-sulfooxyethylsulfonyl)phenyl]diazenyl]-3,6-disulfonaphthalen-1-yl]ethanimidate Chemical compound CC(=NC1=C2C(=CC(=C1)S(=O)(=O)O)C=C(C(=C2[O-])N=NC3=C(C=C(C=C3)S(=O)(=O)CCOS(=O)(=O)O)[O-])S(=O)(=O)O)[O-].[Na+].[Na+].[Na+] DLPITEUCXDBWSF-UHFFFAOYSA-K 0.000 description 1
- ZUCXUTRTSQLRCV-UHFFFAOYSA-K trisodium;1-amino-4-[3-[[4-chloro-6-(3-sulfonatoanilino)-1,3,5-triazin-2-yl]amino]-2,4,6-trimethyl-5-sulfonatoanilino]-9,10-dioxoanthracene-2-sulfonate Chemical compound [Na+].[Na+].[Na+].CC1=C(S([O-])(=O)=O)C(C)=C(NC=2C=3C(=O)C4=CC=CC=C4C(=O)C=3C(N)=C(C=2)S([O-])(=O)=O)C(C)=C1NC(N=1)=NC(Cl)=NC=1NC1=CC=CC(S([O-])(=O)=O)=C1 ZUCXUTRTSQLRCV-UHFFFAOYSA-K 0.000 description 1
- ADGGJQPKBDIZMT-UHFFFAOYSA-K trisodium;4-[(4-anilino-5-sulfonatonaphthalen-1-yl)diazenyl]-5-hydroxynaphthalene-2,7-disulfonate Chemical compound [Na+].[Na+].[Na+].C=12C(O)=CC(S([O-])(=O)=O)=CC2=CC(S([O-])(=O)=O)=CC=1N=NC(C1=CC=CC(=C11)S([O-])(=O)=O)=CC=C1NC1=CC=CC=C1 ADGGJQPKBDIZMT-UHFFFAOYSA-K 0.000 description 1
- FUIZKNBTOOKONL-DPSBJRLESA-K trisodium;5-[(e)-(3-carboxy-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)-(2,6-dichloro-3-sulfonatophenyl)methyl]-3-methyl-2-oxidobenzoate Chemical compound [Na+].[Na+].[Na+].C1=C(C([O-])=O)C(=O)C(C)=C\C1=C(C=1C(=C(C=CC=1Cl)S([O-])(=O)=O)Cl)\C1=CC(C)=C(O)C(C([O-])=O)=C1 FUIZKNBTOOKONL-DPSBJRLESA-K 0.000 description 1
- UJMBCXLDXJUMFB-UHFFFAOYSA-K trisodium;5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl)diazenyl]-4h-pyrazole-3-carboxylate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)C1=NN(C=2C=CC(=CC=2)S([O-])(=O)=O)C(=O)C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 UJMBCXLDXJUMFB-UHFFFAOYSA-K 0.000 description 1
- 239000010981 turquoise Substances 0.000 description 1
- PEAGNRWWSMMRPZ-UHFFFAOYSA-L woodstain scarlet Chemical compound [Na+].[Na+].OC1=CC=C2C=C(S([O-])(=O)=O)C=C(S([O-])(=O)=O)C2=C1N=NC(C=C1)=CC=C1N=NC1=CC=CC=C1 PEAGNRWWSMMRPZ-UHFFFAOYSA-L 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
- DJWUNCQRNNEAKC-UHFFFAOYSA-L zinc acetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O DJWUNCQRNNEAKC-UHFFFAOYSA-L 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/12—Polarisers
Definitions
- the present invention relates to a polarizing film and a polarizing sheet constituting a polarizing lens used for sunglasses, goggles, etc., and a method for producing these.
- the present invention relates to a polarizing film excellent in resistance to moist heat and heat, a polarizing sheet using the film, and methods for producing these.
- a high dichroic ratio is achieved depending on the transmittance and the degree of polarization.
- a combination of dyes and very low dichroic ratio dyes, or intermediate dichroic ratio dyes, are used to produce polarizing sheets.
- the problem of color tone and transmittance change during bending and injection molding is solved by using a coloring composition with a low dichroic ratio.
- deterioration of optical performance, peeling, generation of air bubbles, etc. occur, and defects such as easy warping are still present. There is room for improvement.
- the polarizing property of the polarizing film is realized by a polarizer (a dichroic dye) oriented in the resin film that is the base material by means of stretching or the like during the production of the film.
- a resin film such as polyvinyl alcohol as a base material is swollen with water, then immersed in a water tank containing a dye composition, and then stretched at the same time or later.
- the polarizing film is subjected to further processes after production, or dried for the purpose of obtaining storage stability to adjust its moisture content.
- a polarizing film using a polyvinyl alcohol resin as a base material has a problem that heat-resistant color change increases, although it is possible to suppress heat-and-moisture color change by adjusting the moisture content at the time of film formation.
- the moisture content is lowered in order to suppress heat-resistant color change, the color change increases in a high-humidity and heat environment, making it difficult to achieve both of these two types of thermal stability.
- the present invention uses a high dichroic ratio dye and an extremely low dichroic ratio dye, and controls the moisture content and nickel adsorption amount of the polarizing film. The inventors have found that both the heat-resistant color change can be suppressed at the same time, leading to the present invention.
- the present invention provides a polarizing laminate in which transparent plastic sheets are arranged on both sides of a polarizing film made of a uniaxially stretched polyvinyl alcohol resin film via an adhesive layer, wherein the polarizing film contains an organic dye and a metal compound. and boric acid, wherein the metal compound is a metal such as acetate, nitrate, sulfate of a fourth transition metal such as chromium, manganese, cobalt, nickel, copper, zinc, etc. salt, and ⁇ Ecmc calculated by the CIEDE 2000 color difference formula of ISO/CIE 11664-6:2014 at 55 ° C., 90%, 24 h and 120 ° C., 24 h is both 3.0 or less. It is a laminate.
- Another embodiment of the present invention is the polarizing laminate in the above embodiment, wherein the metal compound is contained in an amount of 200 ppm to 2500 ppm per 1 g of the polarizing film.
- Another embodiment of the present invention is the polarizing laminate according to any one of the above embodiments, wherein the water content of the polarizing film is less than 5% by weight of the polarizing film.
- the organic dye comprises one or more high dichroic organic dyes having a dichroic ratio of 13 or more and very low dichroic organic dyes having a dichroic ratio of 4 or less.
- a polarizing laminate composed of a combination with one or more low dichroic organic dyes having a dichroic ratio or substantially no dichroic ratio.
- Another embodiment of the present invention is a polarizing lens for sunglasses manufactured from the polarizing laminate according to any one of the above embodiments.
- Another embodiment of the present invention is a polarizing film obtained by dyeing a polyvinyl alcohol resin with an organic dye while swelling with water and uniaxially stretching, immersing it in a treatment solution containing a metal compound and boric acid, and drying it.
- the polarizing film is dried so that the moisture content of the polarizing film is less than 5% by weight.
- the treatment solution contains the metal compound at a concentration of 1.0 to 0.3 g/L, and the boric acid is contained at a concentration of 5.0 to 3.0 g/L. It is a method that is included in the concentration of L.
- Another embodiment of the present invention is a method for producing a polarizing sheet according to any of the above embodiments, comprising bonding a transparent plastic sheet to at least one side of the produced polarizing film via an adhesive layer.
- the configuration of the present invention will be described below.
- the polarizing film is obtained by swelling a resin film as a base material in water, and then impregnating it with a dyeing solution containing the dichroic organic dye of the present invention while stretching in one direction. By dispersing it in an oriented state in a material resin to obtain a film imparted with polarizing properties and a desired color tone.
- Polyvinyl alcohols are used as the base resin for the polarizing film used at this time, and the polyvinyl alcohols include polyvinyl alcohol (hereinafter referred to as PVA), PVA with a trace of the acetate structure, and PVA derivatives or Analogues such as polyvinyl formal, polyvinyl acetal, and saponified ethylene-vinyl acetate copolymer are preferred, and PVA is particularly preferred.
- PVA polyvinyl alcohol
- PVA polyvinyl alcohol
- PVA polyvinyl alcohol with a trace of the acetate structure
- PVA derivatives or Analogues such as polyvinyl formal, polyvinyl acetal, and saponified ethylene-vinyl acetate copolymer are preferred, and PVA is particularly preferred.
- the molecular weight of the PVA film is preferably a weight average molecular weight of 50,000 to 350,000, more preferably a molecular weight of 100,000 to 300,000, particularly a molecular weight of 150,000, from the viewpoint of stretchability and film strength.
- the above is preferable.
- the stretching ratio for stretching the PVA film is preferably 2 to 8 times, more preferably 3 to 6.5 times, particularly preferably 3.5 to 4.5 times, from the viewpoint of the dichroic ratio and film strength after stretching.
- the thickness of the stretched PVA film is not particularly limited, it is preferably about 20 ⁇ m or more and about 50 ⁇ m or less because it can be handled without being integrated with a protective film or the like.
- a typical manufacturing process when using PVA as a base film is (1) PVA is swollen in water and washed with water to remove impurities, (2) while stretching as appropriate, (3) Dyeing in a dyeing tank, (4) cross-linking or chelating treatment in a treatment tank with boric acid or a metal compound; (5) dry; Manufactured in the process of The steps (2), (3) (and (4) in some cases) may be changed in order, or may be carried out at the same time.
- the PVA film which is easily broken in a dry state at room temperature, is uniformly softened and made stretchable by absorbing water. It is also a step of removing water-soluble plasticizers and the like used in the PVA film manufacturing process, or preliminarily adsorbing additives as appropriate. At this time, the PVA film does not gradually and uniformly swell, and variations always occur. Even in this state, it is important to apply a uniform force that is as small as possible so as to prevent local stretching or insufficient stretching and to suppress the occurrence of wrinkles. Moreover, in this step, it is most desirable to simply swell uniformly, and excessive stretching, etc., causes unevenness and should be avoided as much as possible.
- the stretching process is usually carried out so as to be 2 to 8 times. It is also important that the polarizing film in the present invention has good subsequent workability, so the draw ratio is selected from 3 to 6.5 times, particularly 3.5 to 4.5 times, and the orientation is maintained even in this state. is preferred. In the stretched and oriented state, if the time in water and the time until drying are long, the relaxation of the orientation will progress, so from the viewpoint of maintaining higher performance, the stretching process is set to be shorter. However, after stretching, it is preferable to remove moisture as soon as possible, that is, immediately lead to a drying step and dry while avoiding an excessive heat load. In addition, the draw ratio in this application is a draw ratio based on the original fabric of the polyvinyl alcohol resin film.
- Dyeing in step (3) is by adsorption or deposition of a dye onto the polymer chains of the oriented polyvinyl alcohol resin film. This step can be performed before, during, or after uniaxial stretching, and there is no significant difference.
- the interface which is the highly regulated surface, is the easiest to orient, and it is preferable to select conditions that take advantage of this.
- the temperature is usually selected from a high temperature range of 40 to 80.degree. C. from the demand for high productivity.
- Step (4) is performed to improve heat resistance, water resistance, and organic solvent resistance.
- the treatment with boric acid improves the heat resistance by cross-linking between PVA chains, but it can be performed before, during or after the uniaxial stretching of the polyvinyl alcohol resin film, and there is no significant change.
- the metal compound mainly forms a chelate compound with the dye molecule to stabilize it, which is usually performed after dyeing or at the same time as dyeing.
- metal compound there are transition metals belonging to any of the 4th, 5th, and 6th periods that are confirmed to have the heat resistance and solvent resistance effects described above.
- Metal salts such as acetates, nitrates and sulfates of 4th period transition metals such as chromium, manganese, cobalt, nickel, copper and zinc are preferred from the viewpoint of cost.
- compounds of nickel, manganese, cobalt, zinc and copper are more preferable because they are inexpensive and excellent in the above effects, and nickel is particularly preferable.
- More specific examples include manganese (II) acetate tetrahydrate, manganese (III) acetate dihydrate, manganese (II) nitrate hexahydrate, manganese (II) sulfate pentahydrate, cobalt (II) acetate tetrahydrate, cobalt (II) nitrate hexahydrate, cobalt (II) sulfate heptahydrate, nickel (II) acetate tetrahydrate, nickel (II) nitrate hexahydrate, Nickel (II) Sulfate Hexahydrate, Zinc (II) Acetate, Zinc (II) Sulfate, Chromium (III) Nitrate Nonahydrate, Copper (II) Acetate Monohydrate, Copper (II) Nitrate Trihydrate and copper (II) sulfate pentahydrate. Any one of these metal compounds may be used alone, or two or more of them may be used in combination.
- the content of the metal compound and boric acid in the polarizing film is 0.2 to 20 mg of the metal compound per 1 g of the polarizing film. Preferably, 0.2 to 2 mg is more preferable. More specifically, the concentration of the metal compound impregnated in the polarizing film is 200 ppm to 2500 ppm, more preferably 200 ppm to 2000 ppm, and still more preferably 400 ppm when measured by the method described in detail in Examples. ⁇ 1800 ppm, more preferably 800 ppm to 2300 ppm, more preferably 600 ppm to 1600 ppm. When the concentration of the metal compound is less than 200 ppm, color unevenness tends to occur, and when it exceeds 2500 ppm, a problem arises in moist heat resistance.
- the boric acid content is preferably 0.3 to 30 mg, more preferably 0.5 to 10 mg as boron.
- the composition of the treatment liquid used for the treatment is set so as to satisfy the above contents, and generally the concentration of the metal compound is 0.5 to 30 g/L and the concentration of boric acid is 2 to 20 g/L. preferable.
- the content of metal and boron contained in the polarizing film can be analyzed by atomic absorption spectrometry.
- the same conditions as those for dyeing are usually employed, but it is usually selected from 20 to 70°C, preferably 25 to 45°C, more preferably 30 to 40°C, especially 30 to 35°C.
- the time is usually selected from 0.5 to 15 minutes.
- step (5) the stretched, dyed and optionally dyed uniaxially stretched PVA film treated with boric acid or metal compound is dried.
- a PVA film exhibits heat resistance corresponding to the amount of water it contains. A decrease in the dichroic ratio occurs.
- Drying of the film progresses from the surface, and it is preferable to dry from both surfaces, preferably while removing water vapor by blowing dry air.
- the method of immediately removing the evaporated moisture to promote evaporation is preferable from the point that drying can be performed while suppressing the temperature rise.
- Air drying is carried out at a temperature of 70° C. or higher, preferably 90° C. to 120° C., for 1 to 120 minutes, preferably 3 to 40 minutes, from the temperature range below which the film does not substantially discolor.
- the moisture content of the polarizing film at this stage is preferably 5% or less. In the drying process, it is difficult to make the water content less than 2%, and it is not preferable from the viewpoint of the strength of the polarizing film.
- a suitable moisture content is 2.5% to 5.0%.
- a PVA polarizing film for sunglasses is usually manufactured by the above process.
- the present invention dyes using a dichroic organic dye composition and a coloring organic dye composition
- the upper limit is the transmittance of the PVA polarizing film dyed with the dichroic organic dye composition
- the coloring It is possible to select a wide range of transmittance, with the transmittance of a PVA polarizing film dyed with an organic dye composition being the lower limit.
- the color tone is adjusted mainly by the organic dye composition for coloring, and a wide range of color tone can be obtained corresponding to the change of the usage ratio without substantially considering the change of the degree of polarization.
- the dichroic organic dyes having a dichroic ratio of 13 or more are specifically exemplified by the following azo dyes, but are particularly limited to these. not a thing Azo dyes are exemplified by trade names, and Color Index Generic Names are given in parentheses.
- Summit Supra Yellow BC conc (C.I. Direct Yellow28) Kayarus Light Yellow F8G (CI Direct Yellow87) Kayacelon Yellow C-2RL (CI Direct Yellow 164)
- Direct Fast Orange S C.I. Direct Orange 26
- Summit Supra Orange 2GL 125% CI Direct Orange 39
- Nippon Fast Scarlet GSX C.I.
- Direct Red4 Fast Scarlet 4BS (CI Direct Red23) Summit Red 4B (C.I. Direct Red81) Kayarus Supra Blue BWL 143 (C.I. Direct Blue 237) Kayarus Supra Brown GL 125 (C.I. Direct Brown 195) Kayarus Supra Brown B2R (CI Direct Brown 209) Kayarus Supra Brown GTL (C.I. Direct Brown 210)
- a direct dye consisting of an azo dye having a sulfonic acid group is preferred from the viewpoint of dyeability to PVA film and heat resistance.
- a direct dye consisting of an azo dye having a sulfonic acid group is preferred from the viewpoint of dyeability to PVA film and heat resistance.
- three or more kinds of dichroic organic dyes are combined, and each color is directly added to the dyeing solution at a concentration such that a predetermined transmittance is obtained.
- Dissolve or disperse dyes In addition to the direct dye, an inorganic salt such as sodium sulfate is appropriately added to the dyeing solution as a dyeing aid.
- Mordant Blue29 Mordant Green L (CI Mordant Green 17) Chrome Green 3B-N (CI Mordant Green28) Mordant Brown KS (C.I. Mordant Brown 15) Chrome Brown LE (CI Mordant Brown 19) Chrome Brown RH (CI Mordant Brown 33) Chrome Black P2B (C.I. Mordant Black7) Chrome Black PLW (CI Mordant Black 9) Chrome Black ET-1 (C.I. Mordant Black 11) Chrome Navy CR 158% (CI Mordant Black 17) Chrome Light Gray G (C.I.
- Reactive Red55 Brilliant Red G SPL (C.I. Reactive Red 112) Brilliant Red 7BF Liq 25% (C.I. Reactive Red 114) Lanasol Red 2G (CI Reactive Red 116) Levafix Scarlet E-2GA gran (C.I. Reactive Red124) Levafix Brilliant Red E-4BA gran (CI Reactive Red158) Levafix Brilliant Red E-6BA gran (CI Reactive Red159) Remazol Brilliant Red F3B gran (C.I. Reactive Red180) Supra Brilliant Red 3BF 150% gran (C.I. Reactive Red195) Remazol Red RB 133% (CI Reactive Red 198) Supra Scarlet 2GF 150G (C.I. Reactive Red222) Novacron Red P-6B Gran.
- Reactive Blue52 Lanasol Blue 3G (CI Reactive Blue 69) Novacron Turquoise P-GR 150% (CI Reactive Blue72) Dimarene Navy X-RBL CDG (C.I. Reactive Blue79) Lanasol Blue 8G-01 150% (CI Reactive Blue 185) Drimarene Blue K-2RL CDG (C.I. Reactive Blue 209) Sumifix Supra Blue BRF 150% gran. (C.I. Reactive Blue221) Sumifix Supra Navy Blue BF gran. (C.I. Reactive Blue222) Sumifix Supra Turquoise Blue BGF(N) (C.I. Reactive Blue231) Novacron Blue CR (C.I.
- Acid Yellow 25 Kayanol Milling Yellow O (C.I. Acid Yellow 38) Suminol Milling Yellow MR (C.I. Acid Yellow 42) Aminyl Yellow E-3GL (C.I. Acid Yellow 49) Suminol Fast Yellow G (B) (C.I. Acid Yellow 61) Erionyl Yellow B-4G (C.I. Acid Yellow79) Kayanol Yellow N5G (C.I. Acid Yellow 110) Lanyl Yellow G ex cc (C.I. Acid Yellow 116) Kayakalan Yellow GL 143 (C.I. Acid Yellow 121) Kayanol Milling Yellow 5GW (CI Acid Yellow 127) Lanacron Yellow N-2GL KWL (C.I.
- Acid Yellow 129) Erionyl Golden Yellow MR-02 (C.I. Acid Yellow 151) Tectilon Yellow 2G 200% (CI Acid Yellow 169) Lanacron Yellow S-2G-01 KWL (C.I. Acid Yellow 220) Telon Yellow RLN micro (C.I. Acid Yellow 230) Tectilon Yellow 3R 200% (CI Acid Yellow 246) Chuganol Fast Yellow 5GL (CI Acid Yellow 40:1) Solar Orange (CI Acid Orange 7) Solar Light Orange GX (C.I. Acid Orange 10) Chuganol Milling Brown 5R (C.I. Acid Orange 51) Chuganol Milling Orange SG (CI Acid Orange 56) Kayanol Yellow N3R (C.I.
- Acid Orange 67 Aminyl Yellow E-3RL (C.I. Acid Orange 67) Lanyl Orange R 200% (CI Acid Orange 88) Chuganol Milling Orange GSN 150% (CI Acid Orange 95) Suminol Milling Orange GN (N) (C.I. Acid Orange 95) Isolan Orange K-RLS (C.I. Acid Orange 107) Telon Orange AGT 01 (C.I. Acid Orange 116) Lanyl Orange 2R e/c (C.I. Acid Orange 120) Supralan Orange S-RL (C.I. Acid Orange 166) Lanasyn Yellow M-2RL 180 (C.I. Acid Orange 180) Nylosan Orange NRL 250 (C.I.
- Acid Orange 250 Lanasyn Orange M-RL p Silk Scarlet (CI Acid Red9) Brilliant Scarlet 3R conc.
- Acid Red 18 Acid Rhodamine G Conc (C.I. Acid Red50) Acid Rhodamine B Conc (C.I. Acid Red52) Chugacid Red FCH (C.I. Acid Red73) Chugacid Rubinol 3B 200% (C.I. Acid Red80) Rocceline NS conc. 120% (CI Acid Red88) Chuganol Anthracene Red G (CI Acid Red97) Suminol Fast Red G (B) (C.I. Acid Red 118) Suminol Milling Brilliant Red 3BN (N) conc. (C.I.
- Acid Red 131) Lanyl Red GG (CI Acid Red 211) Lanyl Red B (CI Acid Red 215) Lanasyn Bordeaux M-RLA200 (C.I. Acid Red217) Suminol Milling Brilliant Red B conc. N (CI Acid Red 249) Aminyl Red E-3BL (CI Acid Red257) Telon Red M-BL (CI Acid Red260) Chugai Aminol Fast Pink R (C.I. Acid Red289) Nylosan Red N-2RBL SGR (C.I. Acid Red336) Telon Red FRL micro (C.I. Acid Red337) Lanasyn Red MG (C.I.
- Acid Blue 83 Chuganol Blue G 333% (C.I. Acid Blue90) Kayanol Navy Blue R (C.I. Acid Blue 92) Suminol Milling Brilliant Sky Blue SE (N) (C.I. Acid Blue 112) Suminol Milling Cyanine 5R (N) (C.I. Acid Blue 113) Kayanol Milling Blue GW (C.I. Acid Blue 127) Lanyl Brilliant Blue G ex cc (C.I. Acid Blue 127:1) Kayanol Blue NR (C.I. Acid Blue 129) Kayanol Milling Blue BW (C.I. Acid Blue 138) Kayanol Milling Blue 2RW (C.I. Acid Blue 140) Lanyl Blue 3G ex conc (C.I.
- the above dyes are not commonly referred to as dichroic dyes.
- the pigments (dyes) exhibiting a high dichroic ratio are described in patent documents, etc., and the dichroic ratio can be known.
- the present inventors have not found a patent document or the like describing the dichroic ratio of the organic dye for coloring of the present application, probably because the dichroic ratio was never used, or because there was no meaning to use it. . Therefore, the coloring organic dyes of the present application described above are examples of those readily identified in the following method of dyeing PVA films using known dyes (not known to have high dichroic ratios).
- the dichroic ratio is determined by the following method of dyeing a PVA film using these dyes.
- the degree of polarization is targeted to be 99% or more
- the dichroic ratio of the coloring organic dye contributes to the direction of increasing the degree of polarization, but changes within the above range are problematic. not.
- the degree of polarization of the obtained polarizing film becomes higher than the desired value.
- those that show a smaller dichroic ratio when dyed are preferable because the change in the degree of polarization due to coloring is smaller and the change in color tone during thermoforming is also smaller.
- the dichroic ratio of the dichroic organic dye or the organic coloring dye in the present invention means that the dichroic ratio value measured at 600 nm in the polarizing film manufactured by dyeing with iodine is 60 or more. It refers to the value measured at the maximum absorption wavelength in a polarizing film manufactured using a dichroic organic dye instead of iodine.
- a protective layer made of a transparent plastic sheet is usually attached via an adhesive layer to obtain the polarizing sheet of the present invention.
- the transparent plastic sheet usually has a thickness of 0.1 to 1 mm, and may be a single-layered sheet or a multi-layered sheet formed by co-extrusion, such as a co-extruded sheet of aromatic polycarbonate/polyacrylate. Further, in the present invention, it is preferable that the surface which is the concave side in the bending process and the injection molding resin side is made of aromatic polycarbonate.
- the polarizing sheet of the present invention (hereinafter referred to as the present polarizing sheet) is usually punched into individual lens shapes with protective films attached to both surfaces, and then subjected to heat bending to protect the surface.
- the film is peeled off and mounted in an injection mold to form an injection molded polarizing lens integrated with the injection molded aromatic polycarbonate.
- the resin for the transparent plastic sheet examples include transparent resins composed of aromatic polycarbonates, amorphous polyolefins, polyacrylates, polysulfones, acetylcellulose, polystyrene, polyesters, polyamides, and mixtures thereof. Among these, there is acetyl cellulose, which is essential in the production of the most versatile polarizing film.
- Aromatic polycarbonate resins are preferable for their properties such as mechanical strength and impact resistance. Examples thereof include acrylate and polyamide, and polyacrylate and polyamide are exemplified in terms of dyeability after lens molding.
- Aromatic polycarbonate sheets are made of 2,2-bis(4-hydroxyphenyl)alkane and 2,2-(4-hydroxy-3,5-dihalogenophenyl) from the viewpoint of film strength, heat resistance, durability and bending workability.
- a polymer produced by a known method from a bisphenol compound represented by alkane is preferable, and the polymer skeleton may contain a structural unit derived from a fatty acid diol or a structural unit having an ester bond.
- Aromatic polycarbonates derived from ,2-bis(4-hydroxyphenyl)propane are preferred.
- the aromatic polycarbonate preferably has a viscosity average molecular weight of 12,000 to 40,000, more preferably 20,000 to 35,000.
- aromatic polycarbonates have a large photoelastic constant and tend to generate colored interference fringes due to birefringence due to stress and orientation. Therefore, it is preferable to make the colored interference fringes invisible by providing a large retardation value in advance. It is preferable to The higher the retardation value, the less colored interference fringes can be seen. However, the value of the retardation value represents the degree of orientation and the magnitude of the residual stress, and the higher the retardation value, the lower the accuracy of the surface shape. These colored interference fringes can be seen with the human eye only after they pass through the polarizing film. Therefore, the effect of the high retardation sheet is due to its use on the light incident side of the polarizing film, that is, on the side opposite to human eyes.
- Polyamide resins include those known as transparent polyamide resins for lenses, and have a heat distortion temperature in the range of 100 to 170 ° C., which is an index of heat resistance, aromatic polyamide resins, alicyclic polyamide resins, aliphatic polyamides. Resins, and copolymers thereof, and alicyclic polyamide resins are preferable from the balance of mechanical strength, chemical resistance, transparency, etc., but two or more polyamide resins may be combined. .
- polyamide resins examples include GLILAMID TR FE5577, XE 3805 (manufactured by EMS), NOVAMID X21 (manufactured by Mitsubishi Engineering-Plastics), and Toyobo Nylon T-714E (manufactured by Toyobo).
- the (meth)acrylic resin is a homopolymer of various (meth)acrylic acid esters represented by polymethyl methacrylate (PMMA) and methyl methacrylate (MMA), or PMMA or MMA and one or more other monomers. and may be a mixture of a plurality of these resins.
- PMMA polymethyl methacrylate
- MMA methyl methacrylate
- MMA methyl methacrylate
- one or more other monomers PMMA
- MMA methyl methacrylate
- MMA methyl methacrylate
- MMA methyl methacrylate
- MMA methyl methacrylate
- Adhesives used to attach the transparent plastic sheets to both sides of the colored polarizing film include polyvinyl alcohol resin materials, acrylic resin materials, urethane resin materials, polyester resin materials, melamine resin materials, and epoxy resin materials. materials such as silicone-based materials can be used.
- an aromatic polycarbonate sheet When an aromatic polycarbonate sheet is used, a two-liquid type consisting of a polyurethane prepolymer, which is a urethane resin-based material, and a curing agent is used, particularly in terms of the transparency of the adhesive layer itself or when it is adhered, and the adhesiveness to the aromatic polycarbonate sheet. thermosetting urethane resin is preferred.
- the aromatic polycarbonate polarizing sheet used in the colored polarizing lens suitable for sunglasses of the present invention is not limited to the layer structure described above, and the adhesive for bonding the polarizing film and the transparent protective layer contains a photochromic dye.
- a polarizing sheet having a dimming function, which is produced using a dissolved adhesive, may also be used.
- the protective layer of the present invention is selected from suitable processing conditions that allow selection of processing conditions that do not substantially impair the function of the functional layer.
- suitable processing conditions that allow selection of processing conditions that do not substantially impair the function of the functional layer.
- a polyester-based super-multilayer selective reflection film is used in combination as a functional layer
- a multi-layer sheet is produced in order to make the thickness of one layer of this super-multilayer selective reflection film 1/4 ⁇ .
- Kintaro-ame manufacturing method is used in which the film is stretched repeatedly as appropriate to obtain a predetermined optical thickness.
- the polarizing sheet is punched into individual lens shapes, and then subjected to bending.
- Processing into individual lens-shaped products is usually performed by punching a plurality of lens-shaped products using a punching blade composed of a Thomson blade for reasons of productivity.
- the shape of the individual lens-shaped product is appropriately selected according to the shape of the final product (sunglasses, goggles, etc.).
- a standard lens-shaped product for binocular use is a disk with a diameter of 80 mm or a slit shape obtained by cutting both ends of the disk with the same width in the direction perpendicular to the polarization axis.
- the bending process causes deterioration of the layer that exhibits the functionality of the present polarizing sheet including the colored polarizing film of the present invention. It is determined by the condition that it does not substantially occur.
- the aromatic polycarbonate polarizing sheet When used as an injection polarizing lens, the aromatic polycarbonate polarizing sheet is bent along the mold surface used for injection molding. When using this polarizing sheet with a protective layer made of aromatic polycarbonate with a high retardation sheet, the polarizing film tends to crack along the stretching direction during bending, so-called film breakage, so it is necessary to select conditions that suppress the occurrence of these.
- the mold temperature in bending the aromatic polycarbonate polarizing sheet is preferably a temperature below the glass transition temperature of the aromatic polycarbonate used. It is preferably at least 50° C. lower than the glass transition point, and more preferably at least 40° C. lower than the glass transition point and less than 5° C. lower than the glass transition point.
- an aromatic polycarbonate resin is injected to form an injection polarizing lens.
- Processing conditions for injection molding must be such that lenses with excellent appearance can be produced. From this point of view, injection conditions such as injection pressure, holding pressure, metering, molding cycle, etc. are selected so that a lens molded product with a high filling rate can be obtained within a range that does not produce burrs.
- the mold temperature is selected from a temperature not less than 100°C lower than the glass transition temperature of the aromatic polycarbonate resin and less than the glass transition point, preferably not less than 80°C lower than the glass transition temperature and less than 15°C lower than the glass transition point. In particular, it is preferably at least 70° C. lower than the glass transition temperature and less than 25° C. lower than the glass transition temperature.
- the firing temperature is preferably 50°C lower than the glass transition temperature of the aromatic polycarbonate used in the aromatic polycarbonate polarizing sheet and lower than the glass transition point, particularly 40°C lower than the glass transition point or higher than the glass transition point.
- the temperature is around 120° C., which is less than 15° C. lower, and the time required for firing the hard coat is generally between 30 minutes and 2 hours.
- Example 1 a) Preparation of polarizing film Polyvinyl alcohol (trade name: VF-PS#7500, manufactured by Kuraray Co., Ltd.) was swelled in water at 35°C for 270 seconds and stretched twice. In this embodiment, the swelling treatment step was performed in two water tanks, but one water tank or three or more water tanks may be used depending on the manufacturing environment.
- VF-PS#7500 trade name: VF-PS#7500, manufactured by Kuraray Co., Ltd.
- dyeing was carried out in an aqueous solution at 35° C. containing a dyeing composition having the following composition and 10 g/L of anhydrous sodium sulfate.
- a dyeing composition having the following composition and 10 g/L of anhydrous sodium sulfate.
- C.I. I. Direct. Orange 39 and C.I. I. Direct. Red 81 is a high dichroic dye
- C.I. I. Mordant Yellow 8 and C.I. I. Acid Red 57 is what is called a low dichroic ratio dye.
- the dyeing treatment step was performed in two water tanks, but one water tank or three or more water tanks may be used depending on the manufacturing environment. ⁇ C. I. Direct.
- the film exiting the bath of the dyeing composition first enters the treatment bath 1 of the treatment process. After that, it goes out into the air once and then passes through the processing tank 2 .
- Treatment tanks 1 and 2 are filled with an aqueous solution maintained at 40-45° C. containing 0.5 g/L nickel acetate (Ni) and 4.4 g/L boric acid.
- Ni nickel acetate
- boric acid 0.5 g/L
- the dyed film was immersed in this aqueous solution and stretched to a final magnification of 4.0-4.5 times.
- the polarizing film pulled up from the treatment tank 2 was then heat-treated at 80 to 89° C. for 3 minutes under tension.
- the dried polarizing film was stored in a low humidity storage kept at 25° C. and about 10% until the next step.
- thermosetting polyurethane adhesive was applied to the polarizing film obtained above, and a protective layer was laminated thereon.
- a protective layer was similarly laminated on the other side of the polarizing film to prepare a polarizing sheet.
- Bisphenol A type polycarbonate Mitsubishi Engineering-Plastics Iupilon E-2000 was used for the protective layer.
- the conditions for the heat and humidity resistance test in this example are intended to imitate the high heat conditions in which the product is actually manufactured for the convenience of conducting the test, but the test conditions were optimized for repetition.
- ⁇ Ecmc measurement method The color tone of the samples subjected to the above moisture and heat resistance test and heat resistance test was measured using a spectrophotometer (UV-3600) manufactured by Shimadzu Corporation, and calculated using the CIEDE2000 color difference formula of ISO/CIE 11664-6:2014. The color difference was calculated.
- UV-3600 spectrophotometer manufactured by Shimadzu Corporation
- CIEDE2000 color difference formula of ISO/CIE 11664-6:2014 The color difference was calculated.
- products with a ⁇ Ecmc of 3 or less were defined as acceptable products in consideration of actual products.
- ⁇ Ecmc [( ⁇ L * /LS L ) 2 +( ⁇ C * ab/cS c ) 2 +( ⁇ H * ab/S H ) 2 ] 1/2
- the lightness L * value is the lightness of the L * a * b * color system.
- Example 2 A polarizing film was prepared and tested in the same manner as in Example 1, except that the nickel acetate concentration in the treatment tanks 1 and 2 was 0.3 g/L.
- Example 3 A polarizing film was prepared and tested in the same manner as in Example 1, except that the nickel acetate concentration in the treatment tanks 1 and 2 was 0.7 g/L.
- Example 4 A polarizing film was produced in the same manner as in Example 3, except that the heat treatment temperature was 80 to 95°C.
- Example 5 A polarizing film was produced in the same manner as in Example 4, except that 0.5 g/L of nickel acetate was added only to treatment tank 1, and only boric acid was added to treatment tank 2 without nickel acetate.
- Example 6 A polarizing film was produced in the same manner as in Example 5, except that the heat treatment temperature was 80 to 100°C.
- Example 7 A polarizing film was produced in the same manner as in Example 6, except that the heat treatment temperature was set to 80 to 95° C., and after passing through treatment tanks 1 and 2, a washing step with pure water at 40° C. was added.
- Example 8 A polarizing film was produced in the same manner as in Example 7, except that the boric acid concentration was 6.6 g/L.
- Example 1 A polarizing film was produced in the same manner as in Example 1, except that the temperatures of the treatment tanks 1 and 2 were 35° C. and nickel acetate was 2.3 g/L.
- Comparative example 2 A polarizing film was produced in the same manner as in Comparative Example 1, except that the temperatures of the treatment tanks 1 and 2 were set to 40° C., nickel acetate was not added, and only 4.4 g/L of boric acid was used.
- Comparative Example 4 A polarizing film was produced in the same manner as in Comparative Example 3 except that the temperatures of the treatment tanks 1 and 2 were set to 55°C and the heat treatment temperature was set to 70 to 80°C.
- Comparative Example 5 A polarizing film was produced in the same manner as in Comparative Example 3, except that the heat treatment temperature was changed from 60 to 70°C.
- Table 1 below shows the evaluation results of the examples and comparative examples prepared as described above.
- the polarizing sheet of each example satisfies the condition that both the wet heat color change and the heat color change ⁇ Ecmc are 3.0 or less, and it is possible to produce a polarizing sheet having a good appearance. did it.
- ⁇ Ecmc of either one of the heat and humidity color change and the heat color change may be 3.0 or less, but both cannot be satisfied at the same time. Also, defects occurred in the appearance, and a polarizing sheet with a good appearance could not be produced.
- a polarizing film dyed with a dyeing composition containing a high dichroic dye and a low dichroic dye it has become possible to produce a polarizing film having good wet heat resistance and good heat resistance.
- the polarizing film according to the present invention is more resistant to discoloration than conventional polarizing films, both under environmental influences during storage and in an environment where the film is exposed to high heat for a short period of time during processing.
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Health & Medical Sciences (AREA)
- Polarising Elements (AREA)
Abstract
Le problème décrit par la présente invention est de fournir un film polarisant obtenu par gonflement d'un film de résine de poly (alcool vinylique) et par étirage uniaxial du film gonflé, le film polarisant combinant une résistance à la chaleur humide avec une résistance à la chaleur. La solution selon l'invention porte sur un stratifié polarisant comprenant un film polarisant, qui est un film de résine de poly (alcool vinylique), et des feuilles de plastique transparentes disposées sur les deux surfaces du film polarisant avec une couche adhésive interposée entre celles-ci. Dans le stratifié polarisant, les valeurs ΔEcmc dans dls conditions de 55 °C, 90 %, et 24h et dans les conditions de 120 °C et 24h sont de 3,0 ou moins, les valeurs étant calculées avec la formule de différence de couleur CIEDE2000 selon la formule ISO/CIE 11664-6:2014.
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JP2021205569 | 2021-12-17 | ||
JP2021-205569 | 2021-12-17 |
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WO2023112533A1 true WO2023112533A1 (fr) | 2023-06-22 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014115705A1 (fr) * | 2013-01-25 | 2014-07-31 | 三菱瓦斯化学株式会社 | Film coloré à faible polarisation, feuille colorée à faible polarisation, lentille et procédé pour sa fabrication |
WO2016117659A1 (fr) * | 2015-01-23 | 2016-07-28 | 住友化学株式会社 | Polariseur et procédé de production associé |
WO2016171127A1 (fr) * | 2015-04-20 | 2016-10-27 | 日本化薬株式会社 | Élément de polarisation formé sur un film d'empilement ayant un retard élevé et couche contenant un colorant dichroïque et dispositif d'affichage en étant doté |
WO2019116760A1 (fr) * | 2017-12-13 | 2019-06-20 | 株式会社ポラテクノ | Stratifié optique, et lentille polarisante et monture oculaire équipées chacune de celui-ci |
WO2020070962A1 (fr) * | 2018-10-02 | 2020-04-09 | 日東電工株式会社 | Plaque de polarisation |
WO2020100889A1 (fr) * | 2018-11-12 | 2020-05-22 | 日東電工株式会社 | Pellicule polarisante, film polarisant, film polarisant stratifié, panneau d'affichage d'image, et dispositif d'affichage d'image |
-
2022
- 2022-10-31 TW TW111141381A patent/TW202400407A/zh unknown
- 2022-10-31 WO PCT/JP2022/040832 patent/WO2023112533A1/fr active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014115705A1 (fr) * | 2013-01-25 | 2014-07-31 | 三菱瓦斯化学株式会社 | Film coloré à faible polarisation, feuille colorée à faible polarisation, lentille et procédé pour sa fabrication |
WO2016117659A1 (fr) * | 2015-01-23 | 2016-07-28 | 住友化学株式会社 | Polariseur et procédé de production associé |
WO2016171127A1 (fr) * | 2015-04-20 | 2016-10-27 | 日本化薬株式会社 | Élément de polarisation formé sur un film d'empilement ayant un retard élevé et couche contenant un colorant dichroïque et dispositif d'affichage en étant doté |
WO2019116760A1 (fr) * | 2017-12-13 | 2019-06-20 | 株式会社ポラテクノ | Stratifié optique, et lentille polarisante et monture oculaire équipées chacune de celui-ci |
WO2020070962A1 (fr) * | 2018-10-02 | 2020-04-09 | 日東電工株式会社 | Plaque de polarisation |
WO2020100889A1 (fr) * | 2018-11-12 | 2020-05-22 | 日東電工株式会社 | Pellicule polarisante, film polarisant, film polarisant stratifié, panneau d'affichage d'image, et dispositif d'affichage d'image |
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