WO2003049943A1 - Film en polyester adhesif pour utilisation optique - Google Patents
Film en polyester adhesif pour utilisation optique Download PDFInfo
- Publication number
- WO2003049943A1 WO2003049943A1 PCT/JP2002/012769 JP0212769W WO03049943A1 WO 2003049943 A1 WO2003049943 A1 WO 2003049943A1 JP 0212769 W JP0212769 W JP 0212769W WO 03049943 A1 WO03049943 A1 WO 03049943A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- film
- polyester
- weight
- layer
- mol
- Prior art date
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- 229920006267 polyester film Polymers 0.000 title claims abstract description 128
- 239000000853 adhesive Substances 0.000 title claims abstract description 38
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 38
- 230000003287 optical effect Effects 0.000 title claims abstract description 23
- 229920000728 polyester Polymers 0.000 claims abstract description 78
- 239000011248 coating agent Substances 0.000 claims abstract description 55
- 238000000576 coating method Methods 0.000 claims abstract description 53
- 125000003118 aryl group Chemical group 0.000 claims abstract description 37
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims abstract description 30
- 230000009477 glass transition Effects 0.000 claims abstract description 17
- 229920000058 polyacrylate Polymers 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 113
- -1 cyclic imino ester Chemical class 0.000 claims description 102
- 239000002245 particle Substances 0.000 claims description 52
- 238000000034 method Methods 0.000 claims description 42
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 41
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 41
- 239000000945 filler Substances 0.000 claims description 29
- 150000001875 compounds Chemical class 0.000 claims description 25
- 239000000178 monomer Substances 0.000 claims description 22
- 239000002250 absorbent Substances 0.000 claims description 20
- 230000002745 absorbent Effects 0.000 claims description 20
- 239000003431 cross linking reagent Substances 0.000 claims description 20
- 229920000642 polymer Polymers 0.000 claims description 16
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 13
- 239000002356 single layer Substances 0.000 claims description 9
- 238000002834 transmittance Methods 0.000 claims description 9
- 229920000877 Melamine resin Polymers 0.000 claims description 8
- 230000003746 surface roughness Effects 0.000 claims description 8
- 239000003822 epoxy resin Substances 0.000 claims description 7
- 229920000647 polyepoxide Polymers 0.000 claims description 7
- 125000003504 2-oxazolinyl group Chemical group O1C(=NCC1)* 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 125000005842 heteroatom Chemical group 0.000 claims description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 5
- 239000004640 Melamine resin Substances 0.000 claims description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims 1
- 239000004202 carbamide Substances 0.000 claims 1
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- 239000002313 adhesive film Substances 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 201
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 57
- 230000000052 comparative effect Effects 0.000 description 48
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 37
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 34
- 239000002253 acid Substances 0.000 description 23
- 239000001993 wax Substances 0.000 description 22
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 17
- 239000006096 absorbing agent Substances 0.000 description 17
- 125000004432 carbon atom Chemical group C* 0.000 description 17
- 239000000377 silicon dioxide Substances 0.000 description 17
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 16
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 14
- 239000004925 Acrylic resin Substances 0.000 description 13
- 229920000178 Acrylic resin Polymers 0.000 description 13
- 150000002430 hydrocarbons Chemical group 0.000 description 13
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 12
- 238000011282 treatment Methods 0.000 description 12
- IMSODMZESSGVBE-UHFFFAOYSA-N 2-Oxazoline Chemical compound C1CN=CO1 IMSODMZESSGVBE-UHFFFAOYSA-N 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- SEPPVOUBHWNCAW-FNORWQNLSA-N (E)-4-oxonon-2-enal Chemical compound CCCCCC(=O)\C=C\C=O SEPPVOUBHWNCAW-FNORWQNLSA-N 0.000 description 10
- LLBZPESJRQGYMB-UHFFFAOYSA-N 4-one Natural products O1C(C(=O)CC)CC(C)C11C2(C)CCC(C3(C)C(C(C)(CO)C(OC4C(C(O)C(O)C(COC5C(C(O)C(O)CO5)OC5C(C(OC6C(C(O)C(O)C(CO)O6)O)C(O)C(CO)O5)OC5C(C(O)C(O)C(C)O5)O)O4)O)CC3)CC3)=C3C2(C)CC1 LLBZPESJRQGYMB-UHFFFAOYSA-N 0.000 description 10
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 10
- 230000000903 blocking effect Effects 0.000 description 10
- 125000001424 substituent group Chemical group 0.000 description 10
- 238000011156 evaluation Methods 0.000 description 9
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical compound C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 8
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 8
- 238000001035 drying Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 8
- 229920001155 polypropylene Polymers 0.000 description 8
- 239000000080 wetting agent Substances 0.000 description 8
- 125000001931 aliphatic group Chemical group 0.000 description 7
- 238000006116 polymerization reaction Methods 0.000 description 7
- 239000004094 surface-active agent Substances 0.000 description 7
- CMCBDXRRFKYBDG-UHFFFAOYSA-N 1-dodecoxydodecane Chemical compound CCCCCCCCCCCCOCCCCCCCCCCCC CMCBDXRRFKYBDG-UHFFFAOYSA-N 0.000 description 6
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- CNCOEDDPFOAUMB-UHFFFAOYSA-N N-Methylolacrylamide Chemical compound OCNC(=O)C=C CNCOEDDPFOAUMB-UHFFFAOYSA-N 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 238000009998 heat setting Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 230000001771 impaired effect Effects 0.000 description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 6
- 229920000573 polyethylene Polymers 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 239000005977 Ethylene Substances 0.000 description 5
- 125000000217 alkyl group Chemical group 0.000 description 5
- 150000004945 aromatic hydrocarbons Chemical group 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000008199 coating composition Substances 0.000 description 5
- 239000011247 coating layer Substances 0.000 description 5
- 239000003086 colorant Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 239000010419 fine particle Substances 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 239000011148 porous material Substances 0.000 description 5
- 239000011164 primary particle Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000002344 surface layer Substances 0.000 description 5
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 5
- 229940044192 2-hydroxyethyl methacrylate Drugs 0.000 description 4
- SFDGJDBLYNJMFI-UHFFFAOYSA-N 3,1-benzoxazin-4-one Chemical compound C1=CC=C2C(=O)OC=NC2=C1 SFDGJDBLYNJMFI-UHFFFAOYSA-N 0.000 description 4
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 4
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 125000002723 alicyclic group Chemical group 0.000 description 4
- 150000001408 amides Chemical class 0.000 description 4
- 235000014113 dietary fatty acids Nutrition 0.000 description 4
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 4
- FJKIXWOMBXYWOQ-UHFFFAOYSA-N ethenoxyethane Chemical compound CCOC=C FJKIXWOMBXYWOQ-UHFFFAOYSA-N 0.000 description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
- 239000000194 fatty acid Substances 0.000 description 4
- 229930195729 fatty acid Natural products 0.000 description 4
- 229910052736 halogen Inorganic materials 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 4
- 229920001225 polyester resin Polymers 0.000 description 4
- 239000004645 polyester resin Substances 0.000 description 4
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- YZTJKOLMWJNVFH-UHFFFAOYSA-N 2-sulfobenzene-1,3-dicarboxylic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1S(O)(=O)=O YZTJKOLMWJNVFH-UHFFFAOYSA-N 0.000 description 3
- GTYZDORKFFSTLS-UHFFFAOYSA-N 2h-3,1-benzoxazine Chemical compound C1=CC=CC2=NCOC=C21 GTYZDORKFFSTLS-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 229920001807 Urea-formaldehyde Polymers 0.000 description 3
- MBHRHUJRKGNOKX-UHFFFAOYSA-N [(4,6-diamino-1,3,5-triazin-2-yl)amino]methanol Chemical class NC1=NC(N)=NC(NCO)=N1 MBHRHUJRKGNOKX-UHFFFAOYSA-N 0.000 description 3
- FDLQZKYLHJJBHD-UHFFFAOYSA-N [3-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=CC(CN)=C1 FDLQZKYLHJJBHD-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
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- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
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- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 238000004898 kneading Methods 0.000 description 3
- 239000011976 maleic acid Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 3
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- 238000002844 melting Methods 0.000 description 3
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- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 125000001624 naphthyl group Chemical group 0.000 description 3
- 125000004957 naphthylene group Chemical group 0.000 description 3
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 3
- 239000012788 optical film Substances 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 150000007519 polyprotic acids Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
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- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 description 2
- 125000002030 1,2-phenylene group Chemical group [H]C1=C([H])C([*:1])=C([*:2])C([H])=C1[H] 0.000 description 2
- 125000001140 1,4-phenylene group Chemical group [H]C1=C([H])C([*:2])=C([H])C([H])=C1[*:1] 0.000 description 2
- LDXJRKWFNNFDSA-UHFFFAOYSA-N 2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]ethanone Chemical compound C1CN(CC2=NNN=C21)CC(=O)N3CCN(CC3)C4=CN=C(N=C4)NCC5=CC(=CC=C5)OC(F)(F)F LDXJRKWFNNFDSA-UHFFFAOYSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 2
- ISPYQTSUDJAMAB-UHFFFAOYSA-N 2-chlorophenol Chemical compound OC1=CC=CC=C1Cl ISPYQTSUDJAMAB-UHFFFAOYSA-N 0.000 description 2
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- GWZMWHWAWHPNHN-UHFFFAOYSA-N 2-hydroxypropyl prop-2-enoate Chemical compound CC(O)COC(=O)C=C GWZMWHWAWHPNHN-UHFFFAOYSA-N 0.000 description 2
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- 125000001971 neopentyl group Chemical group [H]C([*])([H])C(C([H])([H])[H])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
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- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
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- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
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- IBBQVGDGTMTZRA-UHFFFAOYSA-N sodium;2-sulfobenzene-1,3-dicarboxylic acid Chemical compound [Na].OC(=O)C1=CC=CC(C(O)=O)=C1S(O)(=O)=O IBBQVGDGTMTZRA-UHFFFAOYSA-N 0.000 description 1
- JHJUUEHSAZXEEO-UHFFFAOYSA-M sodium;4-dodecylbenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCC1=CC=C(S([O-])(=O)=O)C=C1 JHJUUEHSAZXEEO-UHFFFAOYSA-M 0.000 description 1
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- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 description 1
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- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10018—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising only one glass sheet
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- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
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- C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/255—Polyesters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/38—Pressure-sensitive adhesives [PSA]
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- G—PHYSICS
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- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation
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- B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
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- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2433/00—Presence of (meth)acrylic polymer
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31786—Of polyester [e.g., alkyd, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31786—Of polyester [e.g., alkyd, etc.]
- Y10T428/31794—Of cross-linked polyester
Definitions
- the present invention relates to an optical adhesive polyester film. More specifically, the present invention relates to an optical adhesive polyester film having excellent adhesiveness, transparency, and excellent weather resistance, having an adhesive coating film formed on at least one surface of a polyester film.
- Polyester film especially polyethylene terephthalate polyethylene naphthylene bicarboxylate biaxially stretched film has excellent mechanical properties, heat resistance and chemical resistance, so it has magnetic tape, ferromagnetic thin film tape, photographic film, packaging It is widely used as a film for electronic parts, a film for electronic parts, an electrical insulating film, a film for laminating a metal plate, a film to be attached to the surface of a glass display, a film for protecting various members, and the like.
- various optical films have been used in particular, and base films such as prism lens sheets, touch panels, and knocklights for liquid crystal display devices, base films for antireflection films, and base films for explosion-proof displays. There are applications such as. Base films used in such optical films are required to have excellent transparency and excellent adhesion to prism lenses, hard coats, adhesives, antireflection treatments and the like.
- the light-emitting panelile plasma display uses three primary colors (red, green, and blue colors) in the visible to infrared wavelength range, depending on the structural factors of each pixel constituting the light source or discharge unit.
- Light rays outside the wavelength band of) are emitted, and strong near-infrared radiation is measured at wavelengths of, for example, around 80 nm, 880 nm, and 980 nm.
- This near-infrared radiation causes problems such as malfunctions in peripheral devices. This is because it matches the operating wavelength of near-infrared rays used in near-infrared communication devices such as televisions, remote controllers of video coolers, mobile communications, and personal computers.
- H10-1056991 has a function of preventing malfunction of peripheral devices due to near-infrared rays as described above as well as a function of preventing external light reflection, and is used for a front panel of a video device display device.
- an external light antireflection film that can be suitably used for the above. It is necessary to provide a near-infrared absorber-containing layer in order to prevent the external light antireflection film from malfunctioning to peripheral devices due to near-infrared rays. For this reason, it is necessary to additionally provide a layer containing an ultraviolet absorber, and there is a problem in terms of manufacturing cost.
- An object of the present invention is to provide a polyester film which is excellent in adhesion and transparency to layers used for various optical applications, and which is excellent in weather resistance.
- Another object of the present invention is to provide an adhesive polyester film for optics that can be suitably used for an image display panel surface such as an outdoor display or a plasma display.
- Still another object of the present invention is to provide an adhesive polyester film for optical use, in which the bleed out of the ultraviolet absorbent is suppressed and which has the above-mentioned various properties.
- An optical adhesive polyester film comprising at least one polymer selected from the group consisting of acrylic polymers in the range of 0 ° C., in an amount of 50 to 95% by weight with respect to the film.
- the polyester film layer (A) may be a single layer or may be composed of a plurality of laminated layers.
- the polyester layer (A) is a single layer will be described first.
- Aromatic polyester and polyester film layer (A) Aromatic polyester and polyester film layer (A)
- aromatic polyester constituting the polyester film (A) in the present invention examples include aromatic dicarboxylic acid components such as terephthalic acid, isophthalic acid, 2,6-naphthalenedicarboxylic acid, and 4,4′-diphenyldicarboxylic acid.
- aromatic polyester composed of, for example, ethylene glycol, 1,4-butanediol, 1,4-cyclohexanedimethanol, and 1,6-hexanediol, and a dalicol component, and particularly polyethylene terephthalate.
- Polyethylene-1,2,6-naphthalene dicarboxylate is preferred.
- it may be a copolymerized polyester, and as the copolymerization component, for example, the above-mentioned components can be used.
- Such aromatic polyesters preferably have an intrinsic viscosity of 0.45 to 0.80, more preferably 0.50 to 0.75, even more preferably 0.55 to 0.70 (orthochloroform). It has a temperature of 35 ° C in phenol.
- the aromatic polyester may have an organic or lubricant as a lubricant, if necessary, in order to improve the winding property of the film at the time of film formation and the transport property of the film when applying a hard coat layer or an adhesive.
- Inorganic inert fine particles can be contained. Examples of such fine particles include calcium carbonate, calcium oxide, aluminum oxide, olefin, silicon oxide, zinc oxide, crosslinked acrylic resin particles, crosslinked polystyrene resin particles, Examples thereof include urea resin particles, melamine resin particles, and crosslinked silicone resin particles.
- Such inert microparticles preferably have an average particle size of 0.01 to 2.0 O ⁇ ra, more preferably 0.1 to 1.0 xm.
- the content of the inert fine particles in the polyester film layer (A) is preferably from 0.003 to 0.5% by weight, more preferably from 0.005 to 0.1% by weight.
- the surface roughness Ra of the polyester film layer (A) is preferably 3 to 3 Onm, and more preferably 5 to 20 nm. If Ra is less than 3 nm, the friction coefficient of the film surface becomes high, resulting in inferior handling and scratch resistance.On the other hand, if Ra exceeds 30 nm, the film surface becomes rough and surface reflection is reduced. And the total light transmittance decreases.
- the thickness of the polyester film layer (A) is preferably from 50 to 200, more preferably from 75 to 175 im. If the thickness is less than 50 m, the stiffness is relatively weak, and the flatness is easily lost or damaged during processing.On the other hand, if the thickness exceeds 200 m, the stiffness is too strong and the workability deteriorates. It is easy and transparency is reduced.
- the polyester layer (A) may also contain other colorants, antistatic agents, antioxidants, lubricants, catalysts, polyethylene, polypropylene, ethylene-propylene-polymer, and olefin-based ionomers. This resin can be arbitrarily contained as long as the transparency is not impaired.
- the polyester film layer (A) contains an ultraviolet absorber.
- the ultraviolet absorber has the following formula (I)
- R 2 and R 3 are the same or different and are monovalent hydrocarbon residues X 2 is a tetravalent aromatic residue, which may further contain a heteroatom.
- Such a cyclic imino ester is a compound known as an ultraviolet absorber and described in, for example, JP-A-59-12952.
- X 1 is preferably, for example, 1,2-phenylene, 1,2-naphthylene, 2,3-naphthylene,
- R is 1, —CO—, 1 S—, 1 S ⁇ 2 —, 1 CH 2 —, 1 (CH 2 ) 1 or 1 C (CH 3 ) 2 —,
- 1,2-phenylene is particularly preferred.
- the aromatic residue exemplified for X 1 is, for example, an alkyl having 1 to 10 carbons, for example, methyl, ethyl, propyl, hexyl, decyl and the like; an aryl having 6 to 12 carbons, for example, phenyl, naphthyl and the like; 5-12 cycloalkyl such as pentyl, cyclohexyl and the like; aralkyl having 8-20 carbon atoms such as phenylechi Alkoxy having 1 to 10 carbon atoms such as methoxy, ethoxy, decyloxy and the like; nitro; halogen such as chlorine, bromine and the like; acyl having 2 to 10 carbon atoms such as acetyl, proponyl, zenzyl, decanol and the like. It may be substituted with a substituent.
- R 1 can be an n-valent (where n is 1, 2 or 3) hydrocarbon residue, or can be a direct bond only when n is 2.
- Examples of the unsubstituted aliphatic group having 1 to 10 carbon atoms include methyl, ethyl, propyl, hexyl, and decyl, and examples of the unsubstituted aromatic group having 6 to 12 carbon atoms include phenyl, naphthyl, and the like.
- Examples of unsubstituted alicyclic groups having 5 to 12 carbon atoms include pentyl, hexyl and the like.
- R 4 is alkylene, phenylene or naphthylene having 2 to 10 carbon atoms, a group represented by-, a compound represented by the following formula (d)
- R 5 is an alkyl group having 1 to 10 carbon atoms, a phenyl group or a naphthyl group,
- R 4 and R 5 are as defined above; 6 represents a hydrogen atom or: is either defined groups to 5,
- R 4 and R 6 are as defined above, and R 7 is either a hydrogen atom or a group defined for R 5 ,
- a group represented by the above formula (c), (d), (e) or (f), that is, a substituted aliphatic residue or aromatic residue, particularly Substituted aromatic residues are preferred.
- Examples of the divalent unsubstituted aliphatic group having 2 to 10 carbon atoms include ethylene, trimethylene, tetramethylene, and decamethylene.
- Examples of the unsubstituted aromatic residue having 2 to 12 carbon atoms include: For example, phenylene, naphthylene, P, ⁇ '-biphenylene, etc .;
- Examples of the divalent unsubstituted alicyclic group having 5 to 12 carbon atoms include cyclopentylene, cyclohexylene, etc. be able to.
- the divalent hydrocarbon residue is, for example, the following formula (g)
- R 8 is the same as defined above, R 9 is any of the groups defined for R 4 , and R 1Q is any of the groups defined for R 6 ,
- divalent hydrocarbon residue a substituted aliphatic residue or aromatic residue represented by
- divalent hydrocarbon residue third, divalent aromatic residues of the non-substituted, for example by the same substituents as exemplified as the substituent for the aromatic group representing the X 1 Substituted ones can be mentioned.
- R 1 is preferably a direct bond or an unsubstituted or substituted divalent aromatic hydrocarbon residue of the above-mentioned first to third groups, and particularly preferably 2 Unsubstituted or substituted aromatic hydrocarbon residues of the first or third group in which the bond comes from the furthest position are preferred, especially p-phenylene, p, p, 1-biphenylene Or 2,6-naphthylene is preferred.
- Examples of the trivalent hydrocarbon residue include a trivalent aromatic residue having 6 to 12 carbon atoms.
- aromatic residues include, for example,
- Such an aromatic residue may be substituted with the same substituent as exemplified as the substituent for the monovalent aromatic residue.
- R 2 and R 3 are the same or different and are monovalent hydrocarbon residues, and X 2 is a tetravalent aromatic hydrocarbon residue.
- tetravalent aromatic hydrocarbon residues include, for example,
- the tetravalent aromatic residue may be substituted with the same substituent as that exemplified for the monovalent aromatic residue representing R 1 in the description of the formula (I).
- Specific examples of the cyclic iminoester represented by the above formulas (I) and (II) used in the present invention include the following compounds. Compound of the above formula (I)
- R 11 is a divalent aromatic hydrocarbon residue.
- the compound represented by is advantageously used.
- the UV-absorbing properties of these cyclic imino esters are described in, for example, JP-A-59-12952, which are representative compounds thereof, which are incorporated herein by reference.
- the cyclic imino ester has excellent compatibility with polyester, As described in the above-mentioned Japanese Patent Application Laid-Open No. 59-12952 and U.S. Pat. No. 4,291,152, it has the ability to react with terminal hydroxyl groups of polyester. Therefore, it is necessary to carefully mix the cyclic imino ester and the polyester so that the cyclic imino ester is contained in a substantially unreacted state.
- the melt mixing time is determined by the following formula:
- T is the melt mixing temperature CC
- Tm is the polyester melting temperature (° C)
- the cyclic imino ester and the polyester may react at a small ratio, but the molecular weight of the polyester is increased by this reaction. It is possible to prevent the drop.
- the ultraviolet absorption wavelength region generally shows a tendency to shift to a lower wavelength side than the unreacted ultraviolet absorption wavelength region, and therefore tends to transmit the higher wavelength ultraviolet light.
- the amount of the ultraviolet absorber added is preferably from 0.1 to 5% by weight, more preferably from 0.2 to 3% by weight, based on the polyester. If the amount is less than 0.1% by weight, the effect of preventing ultraviolet ray deterioration is small, while if it exceeds 5% by weight, the film forming properties of the polyester become poor. Decreased, not preferred
- the ultraviolet absorber can be added to the polyester by, for example, a polyester polymerization step, kneading into a polymer in a melting step before film formation, or impregnation into a biaxially stretched film. In order to prevent the degree of reduction, kneading into the polymer in the melting step before film formation is preferred. At that time, the kneading of the ultraviolet absorber can be performed by a direct addition method of the compound powder, a master batch method, or the like.
- the optical adhesive polyester film of the present invention has a film (B) on at least one surface of the polyester layer (A).
- the coating (B) contains at least one of a polyester for coating having a glass transition temperature in the range of 40 to 100 ° C and an acrylic polymer having a glass transition temperature in the range of 20 to 80 ° C.
- the polyester for the coating has a glass transition point of 40 to 100 ° C, preferably 60 to 90 ° C. If the glass transition point is less than 40, blocking between the films may occur. If the glass transition point is more than 100, the film becomes brittle and easily scratches, and the surface of the film becomes rough and the transparency is impaired. It becomes easy to be.
- the polyester resin having such a glass transition point can be obtained from the following polybasic acid or an ester-forming derivative thereof and a polyol or an ester-forming derivative thereof.
- Polybasic acid components include, for example, terephthalic acid, isophthalic acid, phthalic acid, phthalic anhydride, 2,6-naphthalenedicarboxylic acid, 1,4-cyclohexanedicarboxylic acid, adipic acid, sepasic acid, trimellitic acid , Pyromellitic acid, dimeric acid, and 5-sodium sulfoisophthalic acid.
- a copolyester is synthesized using two or more of these acid components.
- hydroxycarboxylic acids such as maleic acid, itaconic acid, and P-hydroxybenzoic acid, which are unsaturated polybasic acid components, can be used in a small amount.
- the polyol components include ethylene darcol, 1,4-butanediol, diethylene glycol, dipropylene glycol, 1,6-hexanediol, 1,4-cyclohexanedimethanol, and xylene.
- Examples include lenglycol, dimethylolpropane, poly (ethylene oxide) glycol, poly (tetramethylene oxide) glycol, and the like. These monomers are also examples.
- the polyester is preferably a water-soluble or dispersible polyester.
- a dicarboxylic acid having a sulfonate group of 0.1 to 15 mol%.
- a water-dispersible polyester resin into which a dicarboxylic acid having 0.1 to 5 mol% of a sulfonic acid group is introduced from the viewpoint of water resistance and moisture resistance.
- the intrinsic viscosity of the polyester is preferably 0.4 or more and less than 0.7, more preferably 0.5 or more and 0.65 or less.
- the intrinsic viscosity When the intrinsic viscosity is less than 0.4, the heat resistance of the film is inferior, and problems such as whitening of the surface when heat is applied in the processing step are likely to occur. On the other hand, when the intrinsic viscosity exceeds 0.7, it is difficult to obtain a clean film, and the surface is roughened, and the transparency tends to be reduced.
- the polyester is contained in the coating in an amount of 50 to 95% by weight, preferably 60 to 90% by weight, more preferably 70 to 85% by weight. If the polyester resin content exceeds 90% by weight, the coating becomes too flat and the blocking resistance is poor. If the content of the polyester resin is less than 60% by weight, the adhesiveness of a hard coat or the like is reduced.
- the acrylic polymer has a glass transition point of 20 to 80. (: Preferably 25 to 70 ° C., more preferably 30 to 60 ° C. If T g is lower than 20 ° C., the coating film becomes soft and the blocking resistance deteriorates. If the Tg is higher than 80 ° C, the film-forming properties deteriorate, and the transparency of the film decreases because the surface of the coating film becomes rough.
- a component of the acryl polymer is composed of a polymerization unit of an acryl monomer as exemplified below.
- the acrylic monomer include alkyl acrylate, alkyl methacrylate (alkyl groups include methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, t-butyl, —Ethylhexyl group, cyclohexyl group, etc.); 2-hydroxyethyl acrylate, 2
- Hydroxyl-containing monomers such as tributyl, 2-hydroxypropyl acrylate, and 2'-glycidyl Epoxy group-containing monomers such as acrylate, glycidylmethacrylate, and arylglycidylether; acrylic acid, methacrylic acid, itaconic acid, maleic acid, fumaric acid, crotonic acid, styrenesulfonic acid and salts thereof (sodium salt, potassium salt, Monomers containing a carboxy group or a salt thereof such as ammonium salts and tertiary amine salts; acrylamide, methacrylamide, N-alkylacrylamide, N-alkylmethacrylamide, N, N-dialkylacrylamide, N, N-dialkyl methacrylate (alkyl groups include methyl group, ethyl group, n-propyl group, isopropyl group, n_butyl group, isobutyl group, t-butyl
- N-alkoxyacrylamide N-alkoxymethacrylamide, N, N-dialkoxyacrylamide, N, N-dialkoxymethacrylamide (alkoxy groups include methoxy, ethoxy, butoxy, isobutoxy, etc.), acryloylmorpholy Monomers having an amide group such as N-methylolacrylamide, N-methylolmethylacrylamide, N-phenylacrylamide and N-phenylmethacrylamide; monomers of acid anhydrides such as maleic anhydride and itaconic anhydride
- monomers such as esters, acrylonitrile, methacrylonitrile, vinylidene chloride, ethylene, propylene, vinyl chloride, biel acetate, and butadiene.
- monomers containing 7 acid groups such as 2-hydroxyethyl acrylate, 2-hydroxyethyl methacrylate, 2-hydroxypropyl acrylate, 2-hydroxypropyl methacrylate, ⁇ -methylol acrylamide, It is preferable that 2 to 20 mol%, preferably 4 to 15 mol%, of ⁇ -methylol methacrylamide is contained. (7) If the content of the monomer containing an acid group is less than 2 mol%, the adhesion to a hard coat may be poor. If the content exceeds 20 mol%, a uniform coating film is not formed due to side reactions. The transparency of the film may decrease is there.
- the coating may include a filler.
- a filter preferably has a particle size of 0.02 to 0.2 zm, and is contained in an amount of 0.1 to 20% by weight based on the coating.
- the filter is preferably contained at 1 to 20% by weight. If the particle size of the filler is less than 0.02 m or the content of the filler in the coating is less than 0.1% by weight, the film becomes difficult to slip, the handling properties are easily reduced, and the blocking resistance is also high. Become inferior.
- the particle size of the filler is
- the transparency of the coating amount will decrease, making it difficult to use it for display applications.
- Such fillers are organic or inorganic fine particles such as calcium carbonate, calcium oxide, aluminum oxide, kaolin, silicon oxide, zinc oxide, crosslinked acrylic resin particles, crosslinked polystyrene shelf particles, melamine resin particles, and crosslinked silicone resin. Fat particles are exemplified.
- the refractive index of both the polyester for coating and the acrylic polymer and the filler is preferably in the range of 1.50 to 1.60, and particularly preferably in the range of 1.55 to L.59. If the refractive index is less than 1.50 or more than 1.60, the interface reflection between the hard coat and the base film and between the resin and the film in the film becomes strong, which may impair the transparency.
- the coating may contain a crosslinking agent.
- crosslinking agent for example, at least one selected from the group consisting of oxazoline group-containing polymers, urea resins, melamine resins, and epoxy resins is used.
- oxazoline group-containing polymer used as the cross-linking agent examples include polymers described in JP-B-63-48884, JP-A-2-6091, JP-A-2-9937, etc., or polymers based on these. Coalescence can be mentioned. Specific examples include an addition-polymerizable oxazoline (a) represented by the following formula (III) and a polymer obtained by polymerizing another monomer (b) if necessary. R 2 R
- R 1 R 2 , R 3 and R 4 each represent a substituent selected from hydrogen, halogen, an alkyl group, an aralkyl group, a phenyl group and a substituted phenyl group
- R 5 represents an addition-polymerizable unsaturated bond 1 shows an acyclic organic group having a group.
- addition-polymerizable oxazoline (a) represented by the above formula (III) include, for example, 2-viel-21-oxazoline, 2-vinyl-4-methyl-21-oxazoline, 2-vinyl-5-methyl1-2- Examples include oxazoline, 2-isopropenyl-2-oxazoline, 2-isopropenyl-4-methyl-12-oxazoline, 2-isopropenyl-1-5-methyl-2-oxazoline. These may be used alone or as a mixture of two or more. Of these, 2-isoprobenyl-2-oxazoline is preferred because it is industrially available.
- the monomer (b) other than the addition-polymerizable oxazoline is not particularly limited as long as it is a monomer copolymerizable with the addition-polymerizable oxazoline (a).
- acrylates such as methyl acrylate, methyl methacrylate, butyl acrylate, butyl methacrylate, unsaturated carboxylic acids such as acrylic acid, methacrylic acid, itaconic acid, and unsaturated dicarboxylic acids such as acrylonitrile and methacrylonitrile
- Unsaturated amides such as tolyls, acrylamide, methacrylamide, N-methylol acrylamide, N-methylol methacrylamide, vinyl esters such as vinyl acetate and vinyl propionate, vinyl ethers such as methyl vinyl ether and ethyl vinyl ether, ethylene and propylene ⁇ -olefins such as ⁇ -olefin, vinyl chloride, vinylidene chloride
- polymerization can be carried out by a conventionally known polymerization method.
- various methods such as an emulsion polymerization method (a method in which a polymerization catalyst, water, a surfactant and a monomer are mixed and polymerized at a time), a monomer dropping method, a multistage polymerization method, and a pre-emulsion method can be employed.
- polymerization catalyst those conventionally known can be used.
- ordinary radical polymerization initiators such as hydrogen peroxide, potassium persulfate, and 2,2′-azobis (2-aminodipropane) dihydrochloride.
- the surfactant examples include conventionally known anionic, nonionic, cationic and amphoteric surfactants and reactive surfactants.
- the polymerization temperature is usually 0 to 100 ° C, preferably 50 to 80 ° C.
- the polymerization time is usually 1 to 10 hours.
- the amount of the addition-polymerizable oxazoline (a) is 0.5% by weight based on all monomers. It is preferable to determine appropriately in the above range. If the amount of the caropolymerizable oxazoline (a) is less than 0.5% by weight, it may be difficult to achieve the object of the present invention.
- Examples of the epoxy resin used as the cross-linking agent include a polyepoxy compound, a diepoxy compound, and a monoepoxy compound.
- Examples of the polyepoxy compound include sorbitol polyglycidyl ether, polyglycerol polydaricidyl ether, pentaerythritol polydaricidyl ether, diglycerol polydaricidyl ether, and tridaricidyl tris (2-hydroxyethyl) isocyanate.
- Glycerol polyglycidyl ether trimethylolpropane polyglycidyl ether, N, N, ⁇ ', ⁇ , tetraglycidyl meta-xylylenediamine, ⁇ , ⁇ , ⁇ ', ⁇ , —tetraglycidyl-4 , 4'-Diaminodiphenylmethane, ⁇ , ⁇ , N ', N'-Tetraglycidyl 1,3-bisaminoaminocyclyl CI hexane.
- a diepoxy compound I for example, neopentyldaricol diglycidyl ether, 1,6-hexanediol diglycidyl ether, resorcinol diglycidyl ether, ethylene darikol diglycidyl ether, polyethylene dalicol diglycidyl ether, propylene glycol diglycidyl ether, Examples thereof include polypropylene glycol diglycidyl ether and polytetramethylene dalicol diglycidyl ether.
- Examples of the monoepoxy compound include, for example, aryl glycidyl ether, 2-ethylhexyl glycidyl ether, and phenyldaricidyl ether.
- aryl glycidyl ether 2-ethylhexyl glycidyl ether
- phenyldaricidyl ether examples include, for example, aryl glycidyl ether, 2-ethylhexyl glycidyl ether, and phenyldaricidyl ether.
- urea resin used as a crosslinking agent examples include dimethylol urea, dimethylol ethylene urea, dimethylol propylene urea, tetramethylol acetylene urea, and 4-methoxy 5-dimethylpropylene urea dimethylol.
- a methylol melamine derivative obtained by condensing melamine and formaldehyde is reacted with methyl alcohol, ethyl alcohol, isopropyl alcohol or the like as a lower alcohol to form an ether. And mixtures thereof.
- methylol melamine derivative used as a crosslinking agent examples include, for example, monomethylol melamine, dimethylol melamine, trimethylol melamine, tetramethylol melamine, pentamethylol melamine, hexamethylol melamine and the like.
- crosslinking agents oxazoline group-containing polymers and epoxy compounds are preferred, and polyepoxy compounds are particularly preferred. These crosslinking agents may be used alone or in combination of two or more.
- the content of the crosslinking agent is preferably 1 to 40% by weight, more preferably 3 to 30% by weight, based on the coating. If the cross-linking agent is less than 1% by weight, the coating film cohesive strength is weak. For this reason, the adhesiveness to a hard coat or the like may be inferior, which is not preferable. If it exceeds 40%, the film-forming property is reduced and the transparency may be impaired, which is not preferable.
- the coating (B) is preferably
- Polyester for a coating having a glass transition point of 400 or more and an intrinsic viscosity of 0.4 or more and less than 0.7, 60 to 90% by weight of the coating and a particle size of 0.02 to Contain 0.2 to 20% by weight of the filler at 1 to 20% by weight, or
- Polyester for coating having a glass transition point of 40 to 10 O, 50 to 95% by weight with respect to the coating, a crosslinking agent with 1 to 40% by weight relative to the coating, and a particle size of 0.02 to 0%. 0.1 to 20% by weight of a 2 m filter.
- the coating (B) can contain wax. Excellent lubricity can be obtained by containing wax.
- the wax include plant waxes such as carnapa wax, candelilla wax, rice wax, wood wax, jojoba oil, palm wax, rosin modified wax, polycurie wax, sugarcane wax, esparto wax, and bark wax.
- Animal waxes such as beeswax, lanolin, whale wax, Ibota wax and shellac wax; mineral waxes such as montan wax, ozokerite and ceresin wax; petroleum waxes such as paraffin wax, microcrystalline wax and petrolactam; N, N'—Methyle, synthetic waxes such as polyethylene wax, polyethylene wax, polypropylene wax, polypropylene wax, polypropylene polypropylene wax, etc.
- Amides or bisamides of fatty acids such as bis-stearic acid amide, N, N, -ethylenebispalmitic acid amide, N, N, -methylenebislauric acid amide, linoleic acid amide, caprylic acid amide, and stearic acid amide is there.
- the wax is more preferably an aqueous dispersion in view of environmental problems and easy handling.
- the wax is preferably contained in the coating in an amount of 0.5 to 20% by weight, more preferably 1 to 10% by weight, based on the coating. By being contained in this range, it is possible to obtain close contact with the polyester base material and easy adhesion to a hard coat or the like while having a smooth surface of the film.
- the film contains wax, it is preferably 60 to 90% by weight of polyester for film, 1 to 20% by weight of filler, more preferably 1 to 9% by weight, and 0.5 to 2% of polyester. 0% by weight, more preferably 1 to 9% by weight.
- the film preferably has a surface specific resistance of 1 ⁇ 10 14 ⁇ / port or less. If the surface specific resistance exceeds 1 ⁇ 10 14 ⁇ , the film in the processing step, etc. Charging is likely to occur during transport, and the handling of the film may deteriorate.
- a method of adding a known antistatic agent is preferably exemplified.
- the film preferably has a surface energy of less than 5 OmNZm. If the surface energy is 5 OmNZm or more, the adhesiveness to a hard coat, an adhesive, or the like may be insufficient.
- resins such as urethane resin, acrylic resin, epoxy resin, and melamine measuring agent, a colorant, a surfactant, and an ultraviolet absorber, etc. It can be used in an amount that does not impair the performance.
- a film using the above components is applied on at least one surface of the polyester film to be the polyester film layer (A).
- it can be applied by applying an aqueous liquid containing a component for forming a film to a stretchable polyester film, followed by drying and stretching and, if necessary, heat treatment.
- the solid content concentration of the aqueous liquid is usually 30% by weight or less, preferably 10% by weight or less.
- the stretchable polyester film is an unstretched polyester film, a uniaxially stretched polyester film, or a biaxially stretched polyester film. Of these, a longitudinally stretched polyester film uniaxially stretched in the film extrusion direction (longitudinal direction) is particularly preferred.
- the film surface When applying an aqueous coating solution to a film, the film surface should be subjected to a physical treatment such as corona surface treatment, flame treatment, plasma treatment, etc. as a preliminary treatment to improve the coatability, or it should be used together with the composition.
- a physical treatment such as corona surface treatment, flame treatment, plasma treatment, etc.
- a chemically inert surfactant Is preferred.
- Such surfactants promote the wetting of the aqueous coating liquid on the polyester film, and include, for example, polyoxyethylene alkyl phenyl ether, polyoxyethylene monofatty acid ester, sorbitan fatty acid ester, glycerin fatty acid ester, fatty acid metal stone And anionic and nonionic surfactants such as alkyl sulfates, alkyl sulfonates, and alkyl sulfosuccinates.
- the surfactant is preferably contained at 1 to 10% by weight in the composition for forming a coating film. Within this range, it can be reduced to 4 OmNZm or less, and repelling of the coating layer can be prevented.
- the aqueous liquid When the aqueous liquid is applied to the polyester film, it is preferable to carry out the usual coating process, that is, a process in which the biaxially stretched and heat-set polyester film is separated from the production process of the film, because the garbage, dust and the like are easily rolled up, and thus are preferable. Absent. From this viewpoint, application in a clean atmosphere, that is, application in a film manufacturing process is preferable. According to this coating, the adhesion of the film (coating film) to the polyester film is further improved. As a coating method, any known coating method can be applied.
- a mouth coat method, a gravure coat method, a roll brush method, a spray coat method, an air-knife coat method, an impregnation method, a curtain coat method, or the like can be used alone or in combination.
- the coating amount films lm 2 per the vehicle travels, 0. 5 ⁇ 2 0 g, more 1 to 1 O g are preferred.
- the ⁇ liquid is preferably used as an aqueous dispersion or an emulsion.
- the coating film may be formed on only one side of the film or on both sides as necessary.
- the stretchable polyester film coated with the aqueous liquid is guided to a drying and stretching treatment step, and such treatment can be performed under conditions conventionally accumulated in the art.
- Preferred conditions are, for example, drying conditions of 90 to 130 ° C. X 2 to 10 seconds, stretching temperature of 90 to; L 30, stretching ratio of 3 to 5 times in the machine direction, and 3 in the transverse direction. Up to 5 times, if necessary 1 to 3 times in the vertical direction, and 180 to 240 ° C X 2 to 20 seconds when heat-fixed.
- the thickness of the biaxially oriented polyester film after such treatment is 50 to 25 Om.
- the thickness of the coating film is 0.02 to 1.
- the optical adhesive polyester film of the present invention in the case where the polyester film layer (A) is composed of a plurality of laminated layers will be described.
- Aromatic polyester and polyester film layer (A) Aromatic polyester and polyester film layer (A)
- the laminated polyester film layer (A) composed of a plurality of layers is hereinafter referred to as a laminated polyester film (A) or a laminated polyester film layer (A). It should be noted that the items not described here are also applied to the case where the polyester film layer (A) is composed of a single layer, or the above-mentioned items are applied as they are or with obvious changes to those skilled in the art. Should be.
- a plurality of polyester film layers constituting the laminated polyester film layer were extruded by a co-extrusion method in which all the layers were melt-extruded from a die, and then heat-fixed as necessary. Things.
- a three-layer polyester film will be described as a multilayer polyester film, but is not limited to a three-layer polyester film as long as the purpose is satisfied. Good. By using a plurality of layers, it is easy to achieve both transparency and scratch resistance.
- the outermost layer is a layer that constitutes two exposed surfaces immediately after being extruded from the die, and the other layers are called inner layers (intermediate layers).
- the aromatic polyester constituting the inner layer and the outermost layer has an intrinsic viscosity IV (orthochlorophenol, 35) of preferably 0.45 to 0.80, more preferably 0.50 to 0.75, and more preferably 0.50 to 0.75. Preferably it is 0.55 to 0.70. If the 1 value is less than 0.45, the excellent characteristics of the polyester film as a film, such as heat resistance and mechanical strength, tend to be inferior. On the other hand, if the value of 1 exceeds 0.80, the load in the extrusion step during the production of the polyester film tends to be too large, and the productivity may be reduced.
- the thickness of the laminated polyester film (A) is preferably 50 m or more and 200 m or less, more preferably 75 m or more and 175 m or less. If the thickness is less than 50 m, the stiffness is weak, and flatness is lost during processing and scratches are likely to occur. on the other hand, If the thickness exceeds 200 m, the stiffness is too strong and the workability is poor, and the transparency is lowered, which is not preferable.
- the outermost layer of the laminated film has a thickness of only one side, preferably 0.5 to 30 111, more preferably 1 to 20 m. If the thickness is less than 0.5 m, the ultraviolet absorber added to the inner layer easily penetrates and precipitates, which is unfavorable because the production line is easily contaminated.
- the haze value due to the filler particles added to the outermost layer film is preferably high in order to improve the winding property and scratch resistance of the film. Tends to be less transparent.
- the thickness of at least one of the inner layers containing an ultraviolet absorber is preferably 30 m to 90 m, more preferably 20 m to 170 m. If it is less than 20 m, the ultraviolet absorption performance is inferior.
- the laminated polyester film (A) preferably has a center line surface roughness Ra of 3 to 30 nm, more preferably 5 to 20 nm. If Ra is less than 3 nm, the coefficient of friction on the film surface will be high, and handling properties and scratch resistance will be poor. On the other hand, if Ra exceeds 30 nm, the surface of the film becomes rough, the surface reflection increases, and the total light transmittance decreases, which is not preferable.
- a method of adding fine inert particles to the outermost layer of the laminated polyester film is preferably used.
- the inert particles added to the outermost layer preferably have an average particle size in the range of 0.01 to 2.0 m, and more preferably 0.1 to 1.0 m. Further, the addition amount of the particles in the outermost layer is preferably in the range of 0.003 to 0.5% by weight, more preferably in the range of 0.005 to 0.1% by weight.
- the content of the inert particles in the inner layer of the laminated polyester film is preferably smaller than that of the outermost layer, but is more preferably 0.1% by weight or less from the viewpoint of transparency.
- the kind of the inert particles may be the same as or different from the particles contained in the outermost layer, and may be one kind or two or more kinds.
- the average particle size is preferably not more than 2.0 m, and more preferably not more than 1.0 m. If the average particle size exceeds 2.0 m, transparency may be impaired.
- the laminated polyester film can be used in any layer other than inert particles, such as colorants, antistatic agents, antioxidants, lubricants, catalysts, polyethylene, polypropylene, ethylene-propylene-polymer, and olefin-based ionomers.
- the resin and the like can be arbitrarily contained as long as the transparency is not impaired.
- the laminated polyester film shall have a heat shrinkage of not more than 2.0% at 150 ° C in both the continuous film forming method (longitudinal direction) and the direction perpendicular to the continuous film forming direction (width direction). Is required, and preferably 1.5% or less. If the heat shrinkage in the longitudinal direction at 150 ° C exceeds 2.0%, when the hard coat agent is dried in the hard coat treatment step, the shrinkage characteristics of the film and the hard coat layer are different, resulting in a hard coat. Adhesion with the coat layer is reduced. In addition, when passing through a process involving heating during processing, it is not preferable because wrinkles, curls are generated, and planarity is disturbed.
- the method of adjusting the heat shrinkage of the polyester film is not particularly limited, and a known method can be used.
- a method of shrinking in a heat treatment step as described in JP-A-57-57628, A method of relaxing a film in a suspended state as disclosed in Japanese Unexamined Patent Publication No. 1-275031 can be exemplified.
- the laminated polyester film preferably has a haze of 3% or less, more preferably 2% or less. If this haze exceeds 3% or more, it may not be suitable for optical use such as loss of visibility in various display applications. Further, the total light transmittance is preferably 80% or more, and if it is less than 80%, the sharpness of the screen deteriorates, which is not preferable.
- the laminated polyester film preferably has a refractive index in the thickness direction of 1.490 or more and 1.505 or less, more preferably 1.493 or more and 1.52 or less. If the refractive index is less than 1.490, delamination tends to occur, and when used as an optical film, the adhesiveness to the hard coat layer tends to be insufficient. On the other hand, when the refractive index exceeds 1.505, transparency tends to be impaired. Further, the flatness is deteriorated and the flatness is deteriorated, which is not preferable.
- the refractive index in the longitudinal direction is preferably 1.620 to 1.680, and more preferably 1.630. Preferably it is ⁇ 1.670. Further, the refractive index in the width direction is preferably from 1.640 to 1.700, and more preferably from 1.650 to 1.690. Outside this range, it is difficult to control the refractive index in the thickness direction within the range.
- the laminated polyester film layer (A) preferably contains an ultraviolet absorber at least in the intermediate layer or the inner layer.
- the added ultraviolet absorber tends to bleed out on the surface of the film (pre-dout) and to sublime, which easily contaminates the film forming machine. Once, undesired because the seeps on the surface of the film adversely affect the processing process.
- the amount of the ultraviolet absorbent added to the inner layer is preferably 0.1 to 5% by weight, more preferably 0.2 to 3% by weight. When the amount is less than 0.1%, the effect of preventing ultraviolet light deterioration is small. On the other hand, when the amount exceeds 5% by weight, a very small amount is deposited on the film surface through the outer layer covering the inner layer, so-called bleed-out phenomenon tends to occur. Not preferred.
- the laminated polyester film can be produced by a conventionally known sequential biaxial stretching method, simultaneous biaxial stretching method, inflation method, or the like.
- sequential biaxial stretching method and the simultaneous biaxial stretching method first, a polyester chip having a predetermined composition is sufficiently dried, and then a plurality of extruders, a plurality of layers of a multi-manifold die or a feed block are used.
- Each of the polyester films is laminated, a plurality of layers of a molten sheet are extruded from a die, and are quenched and solidified on a casting drum set at about 20 to 40 ° C. in advance to obtain an unstretched film.
- the thickness of the obtained unstretched film is preferably 0.5 mm or more.
- the unstretched film is then stretched biaxially under generally known conditions.
- the unstretched film in order to keep the heat shrinkage and the refractive index in the desired ranges, the unstretched film must be stretched in the continuous film forming direction (longitudinal direction). It is preferable that the film be stretched 0 to 4.5 times, in a direction perpendicular to this (horizontal direction) 3.0 to 4.5 times, and 9 to 20 times in area magnification.
- the stretching temperature is preferably from 90 ° C to 140 ° C.
- heat setting can be performed if necessary.
- the heat setting temperature is preferably 180 to 250 ° C, and 210 2240 t is more preferred.
- the film of the present invention having the laminated polyester film layer (A) has a light transmittance at 370 nm of preferably 3% or less, more preferably 2% or less. If it exceeds 3%, the weather resistance to ultraviolet rays is insufficient, and for example, when used as a filter for a front panel of a plasma display, the infrared absorber layer is deteriorated.
- the center line surface roughness Ra of the film (B) is :! It is preferably in the range of 1 to 10 nm, and when the polyester film layer (A) is composed of a plurality of laminated layers, the center line surface roughness Ra of the film (B) is in the range of 3 to 30 nm. Is preferred.
- the adhesive polyester film for optics of the present invention takes advantage of the various characteristics described above, and is disposed on the front of the plasma display to block ultraviolet light from outside, that is, near infrared rays disposed on the front of the plasma display.
- the near-infrared absorber is disposed in front of the plasma display and outside the near-infrared absorber-containing layer to block external ultraviolet rays. It is suitably used for Example
- the haze value of the film was measured using a haze meter (NDH-20) manufactured by Nippon Denshoku Industries Co., Ltd. In addition, the haze of the film was evaluated based on the following criteria.
- the fluorescence presence or absence of the coating layer scratch an area 4 m 2 range Observed visually using a lamp and the reflected light of halogen light, and if there was, the location was marked with magic and the scratches were scratched by a laser-optical microscope (VF- Measure length, width and depth at 750). Determine the number of scratches with a length of lmm or more, a width of 0.5 mm or more, and a depth of 0.5 im or more.
- the hard coat layer having a thickness of 10 m on the film formation face of the adhesive polyester film is formed subjected to cross-cut the cross-cut (100 pieces of squares of lmm 2), a cellophane tape 24mm width thereon (Nichiban Was peeled off at an angle of 180 °, and the peeled surface was observed and evaluated according to the following criteria.
- the peeling area is 20% or more and less than 30%.
- a PSA layer with a thickness of 20 is formed on the coating film forming surface of the adhesive polyester film, and the pressure-sensitive adhesive layer surface is affixed to the float glass, and aged at 23 ° C and 65% RH for 1 day.
- the adhesive was peeled at a peel angle of 1 °, and the adhesive state (PSA) was observed on the glass surface, and evaluated according to the following criteria.
- PSA Residual area of PSA (PSA) 10% or more and less than 20% whereas Good adhesion 3: Residual area of PSA (PSA) 20% or more and less than 30% whil Some adhesive strength
- PSA Residual area of PSA (PSA) 30% or more and less than 40% — Poor adhesion
- the two films are superimposed so that the coated surface and the non-coated surface are in contact with each other.
- a pressure of 0.6 kg / cm 2 was applied for 17 hours in an atmosphere of 60 ° C. and 80% RH, and then peeled off.
- the peeling force was used to evaluate blocking resistance according to the following criteria.
- an eighteen-coat layer having a thickness of 10 is formed on the coating film forming surface of the adhesive polyester film. This sample is
- haze value of the film was measured using a haze measuring device (NDH-20) manufactured by Nippon Denshoku Industries Co., Ltd. The haze of the film was evaluated according to the following criteria.
- ⁇ S coefficient of static friction between the coated surface and the polyethylene terephthalate film (non-coated surface) was measured using a slippery measuring device manufactured by Toyo Tester.
- the thread plate is a glass plate and the load is
- the film was heat-treated at 120 ° C for 60 minutes, and the haze value of the film was measured in the same manner as in (1) above.
- the haze of the film was evaluated according to the following criteria.
- a small piece of the sample film was fixed on a sample stage for a scanning electron microscope, and the film surface was ion-etched using a sputtering device (trade name: JIS-1100 type ion sputtering device manufactured by JEOL Ltd.). Treated, observed with a high-resolution field emission scanning electron microscope at 10,000 to 30,000 times, Luzex made by Nireco Co., Ltd .: FS was used to determine the area equivalent particle size of 50 particles, and the number average value As the average particle size.
- the refractive index of the film was determined using the sodium D line (589 nm) as the light source.
- the heat shrinkage is calculated by the following equation.
- a double beam spectrophotometer (trade name: UV-3101 PCJ manufactured by Shimadzu Corporation), slit width: 20 nm, scan speed: medium speed, sampling pitch: 1 nm, wavelength: 300 to 500 The light transmittance in the nm region was continuously measured, and the light transmittance at a wavelength of 370 nm was detected and evaluated according to the following criteria.
- ⁇ 3% or more, less than 5%
- the film piece was fixed and molded with epoxy resin, it was cut with a microtome, and a cross section of the film was photographed with a transmission electron microscope (trade name “J EM2010” manufactured by JEOL Ltd.). Among the cross sections, two lines are observed almost parallel to the film surface, and the interface is observed by light and dark. The distance between the two interfaces and the film surface was measured from 10 photographs, and the average value was taken as the lamination thickness.
- An optical adhesive film slit to a width of 100 mm was tested for film running properties. Using a testing machine, run on a free port (surface roughness: 100 nm with Ra) treated with hard chrome plating with a diameter of 100 mm and a rolling resistance of 1 kg. The running conditions at this time were: running speed: 1 Om / min, winding angle: 90 °, running tension: 20 kg. Wounds entering the film surface by this treatment, after platinum deposition, guess watch a microscope, a 0. 4m 2 per number of widths least 2 m in and length 300 m or more scratches were force Unto, was evaluated by the following criteria .
- ⁇ 10 or more and less than 20
- the evaluation is performed according to the following criteria.
- ⁇ 0.4 or more and less than 0.6
- a hard coat agent (trade name “Seika Beam EXF01 (B)” manufactured by Dainichi Seika Co., Ltd.) with a # 8 wire bar to the film-forming surface of the laminated polyester film and dry it at 70 ° C for 1 minute to remove the solvent.
- a hard coat layer having a thickness of 5 m was formed under the conditions of a high pressure mercury lamp of 200 mJZcm 2 , an irradiation distance of 15 cm and a running speed of 5 mZmin.
- the obtained film was tested in accordance with JIS K5400, 8.5.1.
- the adhesion was determined by the test method. Specifically, 100 square cuts reaching the substrate film through the coating layer were made using a cutter guide with a gap of lmm.
- a cellophane adhesive tape (Nichipan No. 405; 24 mm width) was attached to the cut surface of the grid, rubbed with an eraser and completely adhered, and then rapidly peeled at a peeling angle of 180 °. was observed and evaluated according to the following criteria.
- the hard coat layer was formed, it was stored in an environment of 50 ° C and 90% RH for 5 days, and then subjected to the same method as the adhesiveness ( ⁇ method) except that a quick peel test was performed using a tape.
- this sample was placed on the remote control receiver of a home TV, and a remote control signal (signal wavelength 950 nm) was sent from the remote controller from a position 2 m away. And 850 nm) to test if the home television responds.
- the near-infrared ray emitted from the PDP display is weaker than the near-infrared ray emitted from the remote controller, so if it does not respond in this test, it is possible to prevent the remote control failure from occurring.
- Those that did not respond to the remote controller were marked with “ ⁇ ”, and those that did respond with “ ⁇ ”.
- Polyethylene terephthalate (intrinsic viscosity: 0.62) containing 1% by weight of an ultraviolet absorber represented by the following formula (A) was melt-extruded on a rotating cooling drum maintained at 20 ° C to obtain an unstretched film. .
- Crosslinking agent B-2 Epoxy resin; N, N, N ', N, -tetraglycidyl meta-xylylenediamine
- Crosslinking agent B-3 Melamine-based resin; Trimethoxymethylmelamine (trimethylol melamine obtained by etherification with methanol)
- Crosslinking agent ⁇ — 4 dimethylol ethylene urea
- Filament C-1 Crosslinked acrylic filler (100 nm)
- Filler C—2 Silica filler (20 nm)
- Filler C-3 Crosslinked acrylic filler (15nm)
- Filler C-1 4 Crosslinked acrylic filler (250 nm)
- Example 5 and 6 and Comparative Example 8 The procedure was performed in the same manner as in Example 1 except that the aqueous liquid was not applied. Table 2 shows the properties of the obtained biaxially oriented polyester film. Examples 5 and 6 and Comparative Example 8
- Example 5 the UV absorber to be contained in the polyester and the compounding ratio thereof were 1% by weight of the UV absorber of the following structural formula (B), and in Example 6, the UV absorber of the following structural formula (C) was used.
- a laminated film was obtained in the same manner as in Example 1 except that the ultraviolet absorber was changed to contain 1% by weight, and in Comparative Example 8, a polyester containing no ultraviolet absorber was used. Table 2 shows the properties of the obtained laminated film.
- Example 1 ⁇ ⁇ 5 5 ⁇ ⁇ ⁇ Comparative Example 1 ⁇ X5 5 ⁇ ⁇ X Example 2 ⁇ ⁇ 54 4 ⁇ ⁇ ⁇ Comparative Example 2 ⁇ X43 3 ⁇ ⁇ X Example 3 ⁇ ⁇ 4 4 ⁇ ⁇ ⁇ Example 4 ⁇ ⁇ 4 4 ⁇ ⁇ ⁇ Comparative Example 3 ⁇ ⁇ 55 X X X Comparative Example 4 ⁇ X 54 ⁇ ⁇ X Comparative Example 5 OX 55 5 ⁇ ⁇ X Comparative Example 6 X ⁇ 55 5 ⁇ XX Comparative Example 7 ⁇ ⁇ 1 1 X Example 5 ⁇ ⁇ 55 5 ⁇ ⁇ ⁇ Example 6 ⁇ ⁇ 5 5 ⁇ ⁇ ⁇ Comparative Example 8 ⁇ ⁇ 5 5 ⁇ XX As is evident from the results shown in Table 2, the optical adhesive laminated film of the present invention has excellent weather resistance and excellent adhesiveness, transparency and scratch resistance, and is useful as an optical adhesive base film. is there. Examples 7 to: L
- Foiler C13 Silica filter (average particle size: 0.04 m, refractive index 1.42)
- 'Foiler C-5 Crosslinked acrylic filler (Average particle size: 0.25 m, Refractive index: 1.50)
- the coated film is then subsequently dried at 95 and laterally at 120 ° C 3.
- the film was stretched 7 times, shrunk by 3% in the width direction at 220 ° C, and heat-fixed to obtain an adhesive film having a thickness of 125 m.
- the thickness of the coating film was 0.08 m.
- Example 4 shows the properties of the obtained biaxially oriented polyester film. Examples 12, 13 and Comparative Example 0
- a biaxially stretched polyester film was obtained in the same manner as in Example 1 except that the ultraviolet absorbent contained in the polyester was changed as follows.
- Example 12 ⁇ Contains 1% by weight of an ultraviolet absorber of the above formula (B)
- Example 13 ⁇ Contains 1% by weight of the ultraviolet absorbent of the above formula (C)
- Table 4 shows the properties of the obtained biaxially oriented polyester film.
- a polyethylene terephthalate (intrinsic viscosity: 0.62) containing 1% by weight of the ultraviolet absorbent represented by the above formula ( ⁇ ) was melt-extruded on a rotating cooling drum maintained at 20 to obtain an unstretched film. .
- the film was stretched 3.4 times in the machine direction, and then an aqueous coating solution having a concentration of 4% of the coating composition shown in Table 5 was uniformly applied to both surfaces thereof with a roll coater.
- the coated film is then subsequently dried at 95 ° C. and transversely at 120 ° C. 3.
- the film was stretched 7 times, contracted 3% in the width direction at 220, and heat-fixed to obtain an adhesive polyester film for optical use having a thickness of 125 / im.
- the thickness of the coating was 0.04 m.
- ⁇ -6 polymer having oxazoline groups; copolymer of 2-provenyl oxazoline (60 mol%) and methyl methacrylate (40 mol%)
- Example 17 The same operation as in Example 17 was performed, except that the 7j-based liquid was not applied.
- Table 6 shows the properties of the obtained adhesive polyester film for optical use. Examples 23 and 24 and Comparative Example 24
- An optical adhesive polyester film was obtained in the same manner as in Example 17 except that the ultraviolet absorber contained in the polyester was changed as follows.
- Example 2 3 ⁇ ' contains 1% by weight of an ultraviolet absorber of the above formula (B)
- Example 24 1% by weight of the ultraviolet absorbent of the above formula (C).
- Table 6 shows the properties of the obtained biaxially oriented polyester film.
- Example 2 5 A polyethylene terephthalate chip A (intrinsic viscosity 0.63) containing 1.1% by weight of the ultraviolet absorbent represented by the above formula (A) was prepared.
- a polyethylene terephthalate chip B containing 0.01% by weight of an average particle size of 1.5 (1 m porous silica (a primary particle size of 0.004 im, a pore volume of 1.2 ml / g) B (specific A viscosity of 0.6 2) was also prepared, and each was dried at 160 ° C for 3 hours.
- a coating composition comprising 85 parts by weight of polyester, 5 parts by weight of filler, and 10 parts by weight of wetting agent was prepared.
- Wetting agent is polyoxyethylene
- the above two types of chips are supplied to separate extruders, melt-extruded with 29 O, and the layer obtained from the polyethylene terephthalate chip A is used as the inner layer using a multi-manifold die, and the polyethylene terephthalate chip B is used as the inner layer.
- the obtained layer was laminated as a surface layer into three layers, and quenched and solidified on a cooling drum maintained at 20 to obtain an unstretched film.
- the unstretched film was stretched 3.2 times in the longitudinal direction at 95, and then the above-mentioned coating agent was applied to both sides so that the thickness after drying was 0.04 m, and further 110 Stretched 3.6 times in the horizontal direction at ° C, heat-set at 230 ° C for 5 seconds, relaxed by 0.5% in the width direction at a temperature of 190 ° C, and 100 m thick laminated polyester A film was obtained.
- the thickness of the surface layer B was 5 mm, and the thickness of the inner layer and the layer was 90 m. Table 7 shows the properties of the obtained film. Examples 26 and 27 and Comparative Example 25
- Example 26 A laminated polyester film was obtained in the same manner as in Example 25, except that the ultraviolet absorber contained in the polyethylene terephthalate chip A was changed as follows. In Example 26, the ultraviolet absorbent of the above formula (B) was contained at 1.1% by weight. In Example 27, the ultraviolet absorbent of the above formula (C) was contained at 0.8% by weight. In Comparative Example 25 Did not contain UV absorbers. Table 7 shows the properties of the obtained film. Example 2 8
- a laminated polyester film was obtained in the same manner as in Example 25 except that the film thickness was set to 188 m, of which the outer layer thickness was 10 m and the inner layer thickness was 168 m. Table 7 shows the properties of the obtained film.
- Example 30 A laminated polyester film was obtained in the same manner as in Example 25 except that the relaxation rate in the width direction was set to 0%. Table 7 shows the properties of the obtained film.
- Example 30
- a laminated polyester film was obtained in the same manner as in Example 25 except that the thickness of the outer layer was 12 m and the thickness of the inner layer was 76 m. Table 7 shows the properties of the obtained film.
- Example 3 1 A laminated polyester film was obtained in the same manner as in Example 25 except that the thickness of the outer layer was 12 m and the thickness of the inner layer was 76 m. Table 7 shows the properties of the obtained film.
- Example 3 1 A laminated polyester film was obtained in the same manner as in Example 25 except that the thickness of the outer layer was 12 m and the thickness of the inner layer was 76 m. Table 7 shows the properties of the obtained film.
- a laminated polyester film was obtained in the same manner as in Example 25, except that the content of the porous silica contained in the polyethylene terephthalate chip B was set to 0.4% by weight. Table 7 shows the properties of the obtained film.
- Example 3 2
- Example 25 The same procedure as in Example 25 was repeated except that the polyethylene terephthalate chip A also contained 0.003% by weight of the same type of porous silica as that contained in the polyethylene terephthalate chip B. Thus, a laminated polyester film was obtained. Table 7 shows the properties of the obtained film. Comparative Example 2 6
- Example 2 except that after heat setting, the film was further stretched 1.5% in the width direction at a temperature of 200. In the same manner as in 5, a laminated polyester film was obtained. Table 7 shows the properties of the obtained film. Comparative Example 27
- a laminated polyester film was obtained in the same manner as in Example 25, except that 0.1% by weight of spherical silica having an average particle size of 0.12 / im was added to the polyethylene terephthalate chip A in addition to the ultraviolet absorber. Table 7 shows the properties of the obtained film. Comparative Example 28
- Example 29 The same procedure as in Example 25 was carried out except that the content of the porous silica contained in the polyethylene terephthalate chip B was 0.08% by weight, the thickness of the outer layer was changed to 20 / zm, and the thickness of the inner layer was changed to 6 mm. A film was obtained. Table 7 shows the properties of the obtained film. Comparative Example 29
- a laminated polyester film was obtained in the same manner as in Example 25 except that the stretching ratio in the longitudinal direction was 3.7 times, the stretching ratio in the transverse direction was 3.9 times, and the heat setting temperature was 205 ° C. Table 7 shows the properties of the obtained film. Comparative Example 30
- Example 7 The same ultraviolet absorbent as in Example 1 was used in an amount of 1.0% by weight, and an average particle size of 1.5 im was given by porous silica (a primary particle diameter of 0.004 m, a pore volume of 1.2 ml / g) of 0.003.
- the unstretched film was stretched 3.2 times in the machine direction at 95, and then the following coating agents were applied to both sides so that the thickness after drying was 0.04 m, and further 1 Stretched 3.6 times in the transverse direction at 10 ° C, heat-set at 230 ° C for 5 seconds, relaxed by 0.5% in the width direction at a temperature of 190 ° C, and Axial orientation Laminated polyester film was obtained.
- Table 8 shows the properties of the obtained film.
- Example 34 the ultraviolet absorbent of the above formula (B) was contained at 1% by weight.
- Example 35 the ultraviolet absorber of the above formula (C) was contained at 0.7% by weight.
- Comparative Example 31 poly (ethylene terephthalate) containing no ultraviolet absorbent was used.
- Example 36 A polyester film was obtained in the same manner as in Example 33 except that the film thickness was changed to 188 m.
- Example 3 7 the ultraviolet absorbent contained in the polyester was changed as follows.
- Example 34 the ultraviolet absorbent of the above formula (B) was contained at 1% by weight.
- Example 35 the ultraviolet absorber of the above formula (C) was contained at 0.7% by weight.
- Comparative Example 31 poly (ethylene terephthalate) containing no ultraviolet absorbent was used.
- Example 36 A polyester film was obtained in the same manner as in Example 33 except that the film thickness was changed to 188 m.
- a polyester film was obtained in the same manner as in Example 33 except that the relaxation rate in the if® direction was set to 0% and the thickness of the heat-set film was set to 188 m. Comparative Example 3 2
- a polyester film was obtained in the same manner as in Example 33 except that the inert particles contained in the polyester were changed to spherical silica having an average particle size of 0.12 m and the content was changed to 0.1% by weight. . Comparative Example 3 4
- a polyester film was obtained in the same manner as in Example 33 except that the inert particles contained in the polyester were changed to spherical silica having an average particle diameter of 0.30 jLim, and the content was changed to 0.2% by weight. . Comparative Example 3 5
- the stretching ratio in the longitudinal direction is 3.7 times, and the stretching ratio in the transverse direction is 3.9 times.
- a polyester film was obtained in the same manner as in Example 33 except that the temperature was changed to 205 ° C.
- Thickness Transmittance Latches ( ⁇ Thickness direction coefficient ⁇ ⁇ .)% Property Content MD TD -1
- a polyethylene terephthalate chip A (intrinsic viscosity 0.63) containing 1.0% by weight of the ultraviolet absorbent represented by the above formula (A) was prepared. Further, 1.0% by weight of the ultraviolet absorbent represented by the above formula (A) is used, and porous silica having an average particle size of 1.5 m (the diameter of the primary particles is 0.004 m, the pore volume is 1.2 mlZg)
- a polyethylene terephthalate chip B (having an intrinsic viscosity of 0.62) containing 0.01% by weight of styrene was also prepared. Each was dried at 160 for 3 hours.
- a coating composition comprising 85 parts by weight of polyester, 5 parts by weight of a filler, and 10 parts by weight of a wetting agent was prepared.
- the filler is a cross-linked acrylic filler (60 nm).
- the two types of chips described above are supplied to separate extruders, melt-extruded at 290 ° C, and the layer obtained from the polyethylene terephthalate chip A using a multi-manifold die is used as an inner layer to obtain polyethylene terephthalate.
- the layers obtained from the sauce chips B were laminated into three layers with the surface layer as the surface layer, and were quenched and solidified on a cooling drum maintained at 20 ° C to obtain an unstretched film.
- the unstretched film was stretched 3.2 times in the longitudinal direction at 95 C, and then the above-mentioned coating agent was applied to both sides so that the thickness after drying became 0.04 m, and further 110 Stretched 3.6 times in the ⁇ direction at ° C, heat-set at 23 Ot for 5 seconds, relaxed by 0.5% in the width direction at a temperature of 190 ° C, and laminated a 100-layer thick polyester film. Obtained.
- the thickness of the surface layer B was 5 m, and the thickness of the inner layer was 90 m. Table 9 shows the properties of the obtained film. Examples 39 and 40 and Comparative Example 37
- Example 39 the polyethylene terephthalate chips A and B contained 1.0% by weight of the ultraviolet absorbent of the above formula (B).
- Example 40 the polyethylene terephthalate chip A contained 1.2% by weight of the ultraviolet ray absorbent of the above formula (C), and the polyethylene terephthalate chip B contained 0.4% by weight.
- Comparative Example 37 neither of the polyethylene terephthalate chips A and B contained an ultraviolet absorbent. Table 9 shows the properties of the obtained film.
- Example 4 1 the polyethylene terephthalate chips A and B contained 1.0% by weight of the ultraviolet absorbent of the above formula (B).
- Example 40 the polyethylene terephthalate chip A contained 1.2% by weight of the ultraviolet ray absorbent of the above formula (C)
- Comparative Example 37 neither of the polyethylene terephthalate chips A and B contained an ultraviolet absorbent.
- Table 9 shows the properties of the obtained film.
- a laminated polyester film was obtained in the same manner as in Example 38 except that the film thickness was set to 188 m, of which the outer layer thickness was 10 m and the inner layer thickness was 168 / m. Table 9 shows the properties of the obtained film.
- Example 4 2
- a laminated polyester film was obtained in the same manner as in Example 38, except that the thickness of the outer layer was 12 m and the thickness of the inner layer was 76 m. Table 9 shows the properties of the obtained film.
- Example 4 3
- a laminated polyester film was obtained in the same manner as in Example 38, except that the content of the porous silica contained in the polyethylene terephthalate chip B was changed to 0.04% by weight. Table 9 shows the properties of the obtained film.
- Example 4 4
- Example 38 The same procedure as in Example 38 was carried out except that the polyethylene terephthalate chip A contained 0.003% by weight of the same kind of porous silicic acid as that contained in the polyethylene terephthalate chip B. Thus, a laminated polyester film was obtained. Table 9 shows the characteristics of the obtained film. Comparative Example 38
- a laminated polyester film was obtained in the same manner as in Example 38 except that 0.1% by weight of spherical silica having an average particle size of 0.12 m was added to the polyethylene terephthalate chip A in addition to the ultraviolet absorber. Table 9 shows the properties of the obtained film. Comparative Example 39
- Example 40 The same procedure as in Example 38 was repeated except that the content of the porous silica contained in the polyethylene terephthalate chip B was 0.08% by weight, the thickness of the outer layer was changed to 20 m, and the thickness of the inner layer was changed to 60 m. A film was obtained. Table 9 shows the properties of the obtained film. Comparative Example 40
- a laminated polyester film was obtained in the same manner as in Example 38 except that the stretching ratio in the longitudinal direction was 3.7 times, the stretching ratio in the transverse direction was 3.9 times, and the heat setting temperature was 205 ° C. Table 9 shows the properties of the obtained film. Comparative Example 41
- Example 45 and Comparative Examples 42 and 43 1.0% by weight of the same ultraviolet absorber as in Example 38, and 0.003% by weight of porous silica (average particle size: 1.5 m, primary particle diameter: 0.004 m, pore volume: 1.2 ml / g) %
- Porous silica Average particle size: 1.5 m, primary particle diameter: 0.004 m, pore volume: 1.2 ml / g
- Polyethylene terephthalate chip (intrinsic viscosity 0.63) was prepared. This was dried at 160 ° C. for 3 hours, supplied to an extruder, melt-extruded at 290 ° C., and the other steps were carried out in the same manner as in Example 38 to obtain a single-layer polyester film. Table 9 shows the properties of the obtained film.
- Example 45 and Comparative Examples 42 and 43 1.0% by weight of the same ultraviolet absorber as in Example 38, and 0.003% by weight of porous silica (average particle size: 1.5 m, primary particle diameter:
- a laminated polyester film was obtained in the same manner as in Example 38 except that the content of the ultraviolet absorber contained in the polyethylene terephthalate chips A and B was changed as follows.
- the polyethylene terephthalate chip A contained 0.5% by weight
- the polyethylene terephthalate chip B contained 1.5% by weight.
- the polyethylene terephthalate chip A contained 1.1% by weight
- the polyethylene terephthalate chip B did not contain it.
- the terephthalate chip A contained 0.5% by weight
- the polyethylene terephthalate chip B contained 3.0% by weight. Table 9 shows the properties of the obtained film.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Toxicology (AREA)
- Optics & Photonics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Wood Science & Technology (AREA)
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Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2002361077A AU2002361077A1 (en) | 2001-12-10 | 2002-12-05 | Adhesive polyester film for optical use |
KR1020037010456A KR100932873B1 (ko) | 2001-12-10 | 2002-12-05 | 광학용 접착성 폴리에스테르 필름 |
US10/467,623 US7005176B2 (en) | 2001-12-10 | 2002-12-05 | Optical adhesive polyester film |
EP20020791964 EP1452309B1 (en) | 2001-12-10 | 2002-12-05 | Adhesive polyester film for optical use |
Applications Claiming Priority (12)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001375392A JP2003171487A (ja) | 2001-12-10 | 2001-12-10 | 光学用易接着性積層フィルム |
JP2001-375392 | 2001-12-10 | ||
JP2002-179773 | 2002-06-20 | ||
JP2002179773A JP2004018810A (ja) | 2002-06-20 | 2002-06-20 | 光学用易接着性ポリエステルフィルム |
JP2002-205377 | 2002-07-15 | ||
JP2002-205376 | 2002-07-15 | ||
JP2002205377A JP2004042528A (ja) | 2002-05-23 | 2002-07-15 | 光学用積層ポリエステルフィルム |
JP2002205376A JP2004050405A (ja) | 2002-05-27 | 2002-07-15 | 積層ポリエステルフィルム |
JP2002-214948 | 2002-07-24 | ||
JP2002214948A JP2004054160A (ja) | 2002-07-24 | 2002-07-24 | 光学用易接着性ポリエステルフィルム |
JP2002219376A JP2004058435A (ja) | 2002-07-29 | 2002-07-29 | 積層ポリエステルフィルム |
JP2002-219376 | 2002-07-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003049943A1 true WO2003049943A1 (fr) | 2003-06-19 |
Family
ID=27555029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/012769 WO2003049943A1 (fr) | 2001-12-10 | 2002-12-05 | Film en polyester adhesif pour utilisation optique |
Country Status (7)
Country | Link |
---|---|
US (1) | US7005176B2 (ja) |
EP (1) | EP1452309B1 (ja) |
KR (1) | KR100932873B1 (ja) |
CN (1) | CN1512934A (ja) |
AU (1) | AU2002361077A1 (ja) |
TW (1) | TW200300729A (ja) |
WO (1) | WO2003049943A1 (ja) |
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2002
- 2002-12-05 CN CNA028109309A patent/CN1512934A/zh active Pending
- 2002-12-05 AU AU2002361077A patent/AU2002361077A1/en not_active Abandoned
- 2002-12-05 EP EP20020791964 patent/EP1452309B1/en not_active Expired - Lifetime
- 2002-12-05 KR KR1020037010456A patent/KR100932873B1/ko active IP Right Grant
- 2002-12-05 WO PCT/JP2002/012769 patent/WO2003049943A1/ja active Application Filing
- 2002-12-05 US US10/467,623 patent/US7005176B2/en not_active Expired - Fee Related
- 2002-12-10 TW TW91135738A patent/TW200300729A/zh not_active IP Right Cessation
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1371682A2 (en) * | 2002-06-12 | 2003-12-17 | Mitsubishi Polyester Film Corporation | Polyester film for display |
EP1371682A3 (en) * | 2002-06-12 | 2004-03-03 | Mitsubishi Polyester Film Corporation | Polyester film for display |
US8139181B2 (en) | 2006-03-31 | 2012-03-20 | Zeon Corporation | Polarization plate, liquid crystal display device and protective film |
JP2014013418A (ja) * | 2006-06-23 | 2014-01-23 | 3M Innovative Properties Co | 多層光学フィルム、その作製方法及びそれを有するトランザクションカード |
JP2017204000A (ja) * | 2006-06-23 | 2017-11-16 | スリーエム イノベイティブ プロパティズ カンパニー | 多層光学フィルム、その作製方法及びそれを有するトランザクションカード |
WO2008153659A3 (en) * | 2007-05-29 | 2009-02-19 | Henkel Corp | Adhesive detection methods |
Also Published As
Publication number | Publication date |
---|---|
KR20040073279A (ko) | 2004-08-19 |
EP1452309A4 (en) | 2006-09-13 |
TW200300729A (en) | 2003-06-16 |
AU2002361077A1 (en) | 2003-06-23 |
EP1452309B1 (en) | 2012-03-21 |
CN1512934A (zh) | 2004-07-14 |
KR100932873B1 (ko) | 2009-12-21 |
TWI310344B (ja) | 2009-06-01 |
US20040076844A1 (en) | 2004-04-22 |
US7005176B2 (en) | 2006-02-28 |
EP1452309A1 (en) | 2004-09-01 |
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