TWI592703B - Optical film and optical sheet - Google Patents
Optical film and optical sheet Download PDFInfo
- Publication number
- TWI592703B TWI592703B TW097150280A TW97150280A TWI592703B TW I592703 B TWI592703 B TW I592703B TW 097150280 A TW097150280 A TW 097150280A TW 97150280 A TW97150280 A TW 97150280A TW I592703 B TWI592703 B TW I592703B
- Authority
- TW
- Taiwan
- Prior art keywords
- resin
- group
- polarizing plate
- film
- acid
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title claims description 27
- 239000012788 optical film Substances 0.000 title claims description 26
- 239000010408 film Substances 0.000 claims description 49
- 239000011347 resin Substances 0.000 claims description 46
- 229920005989 resin Polymers 0.000 claims description 46
- -1 polyethylene terephthalate Polymers 0.000 claims description 39
- 150000001875 compounds Chemical class 0.000 claims description 26
- 230000001681 protective effect Effects 0.000 claims description 25
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 15
- 239000011630 iodine Substances 0.000 claims description 14
- 229910052740 iodine Inorganic materials 0.000 claims description 14
- 239000004973 liquid crystal related substance Substances 0.000 claims description 14
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 8
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 8
- 229920005990 polystyrene resin Polymers 0.000 claims description 6
- 229920002678 cellulose Polymers 0.000 claims description 5
- 229920005668 polycarbonate resin Polymers 0.000 claims description 5
- 239000004431 polycarbonate resin Substances 0.000 claims description 5
- 239000004925 Acrylic resin Substances 0.000 claims description 4
- JFNLZVQOOSMTJK-KNVOCYPGSA-N norbornene Chemical compound C1[C@@H]2CC[C@H]1C=C2 JFNLZVQOOSMTJK-KNVOCYPGSA-N 0.000 claims description 4
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 claims description 4
- 239000011112 polyethylene naphthalate Substances 0.000 claims description 4
- 150000001925 cycloalkenes Chemical class 0.000 claims description 2
- 239000000049 pigment Substances 0.000 claims 1
- 125000004432 carbon atom Chemical group C* 0.000 description 27
- 125000000217 alkyl group Chemical group 0.000 description 15
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 14
- 230000014759 maintenance of location Effects 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000012360 testing method Methods 0.000 description 10
- 238000002835 absorbance Methods 0.000 description 9
- 239000006096 absorbing agent Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 125000003118 aryl group Chemical group 0.000 description 8
- 239000004014 plasticizer Substances 0.000 description 8
- 239000002253 acid Substances 0.000 description 7
- 125000003342 alkenyl group Chemical group 0.000 description 7
- 229920000728 polyester Polymers 0.000 description 7
- 239000012964 benzotriazole Substances 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 125000000753 cycloalkyl group Chemical group 0.000 description 6
- 238000011156 evaluation Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 6
- 238000002834 transmittance Methods 0.000 description 6
- 239000007983 Tris buffer Substances 0.000 description 5
- 125000002877 alkyl aryl group Chemical group 0.000 description 5
- 125000003710 aryl alkyl group Chemical group 0.000 description 5
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 5
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 5
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 4
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 125000003545 alkoxy group Chemical group 0.000 description 3
- 239000003963 antioxidant agent Substances 0.000 description 3
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 125000004185 ester group Chemical group 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 125000005843 halogen group Chemical group 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- 125000000879 imine group Chemical group 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 125000004430 oxygen atom Chemical group O* 0.000 description 3
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 150000005846 sugar alcohols Polymers 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 125000004434 sulfur atom Chemical group 0.000 description 3
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- HJIAMFHSAAEUKR-UHFFFAOYSA-N (2-hydroxyphenyl)-phenylmethanone Chemical compound OC1=CC=CC=C1C(=O)C1=CC=CC=C1 HJIAMFHSAAEUKR-UHFFFAOYSA-N 0.000 description 2
- PFEFOYRSMXVNEL-UHFFFAOYSA-N 2,4,6-tritert-butylphenol Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 PFEFOYRSMXVNEL-UHFFFAOYSA-N 0.000 description 2
- WVQHODUGKTXKQF-UHFFFAOYSA-N 2-ethyl-2-methylhexane-1,1-diol Chemical compound CCCCC(C)(CC)C(O)O WVQHODUGKTXKQF-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 2
- 239000012965 benzophenone Substances 0.000 description 2
- FQUNFJULCYSSOP-UHFFFAOYSA-N bisoctrizole Chemical compound N1=C2C=CC=CC2=NN1C1=CC(C(C)(C)CC(C)(C)C)=CC(CC=2C(=C(C=C(C=2)C(C)(C)CC(C)(C)C)N2N=C3C=CC=CC3=N2)O)=C1O FQUNFJULCYSSOP-UHFFFAOYSA-N 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 2
- 238000004040 coloring Methods 0.000 description 2
- NZNMSOFKMUBTKW-UHFFFAOYSA-N cyclohexanecarboxylic acid Chemical compound OC(=O)C1CCCCC1 NZNMSOFKMUBTKW-UHFFFAOYSA-N 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical compound C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 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 2
- 150000002500 ions Chemical class 0.000 description 2
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 2
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- LPNBBFKOUUSUDB-UHFFFAOYSA-N p-toluic acid Chemical compound CC1=CC=C(C(O)=O)C=C1 LPNBBFKOUUSUDB-UHFFFAOYSA-N 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- YODZTKMDCQEPHD-UHFFFAOYSA-N thiodiglycol Chemical compound OCCSCCO YODZTKMDCQEPHD-UHFFFAOYSA-N 0.000 description 2
- 150000003568 thioethers Chemical class 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 2
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 1
- YUYQHJUMEAITFR-UHFFFAOYSA-N (2,3,4-trimethylphenyl) dihydrogen phosphite Chemical compound CC1=CC=C(OP(O)O)C(C)=C1C YUYQHJUMEAITFR-UHFFFAOYSA-N 0.000 description 1
- XMNDMAQKWSQVOV-UHFFFAOYSA-N (2-methylphenyl) diphenyl phosphate Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C=CC=CC=1)OC1=CC=CC=C1 XMNDMAQKWSQVOV-UHFFFAOYSA-N 0.000 description 1
- OBETXYAYXDNJHR-SSDOTTSWSA-M (2r)-2-ethylhexanoate Chemical compound CCCC[C@@H](CC)C([O-])=O OBETXYAYXDNJHR-SSDOTTSWSA-M 0.000 description 1
- RGASRBUYZODJTG-UHFFFAOYSA-N 1,1-bis(2,4-ditert-butylphenyl)-2,2-bis(hydroxymethyl)propane-1,3-diol dihydroxyphosphanyl dihydrogen phosphite Chemical compound OP(O)OP(O)O.C(C)(C)(C)C1=C(C=CC(=C1)C(C)(C)C)C(O)(C(CO)(CO)CO)C1=C(C=C(C=C1)C(C)(C)C)C(C)(C)C RGASRBUYZODJTG-UHFFFAOYSA-N 0.000 description 1
- VZXTWGWHSMCWGA-UHFFFAOYSA-N 1,3,5-triazine-2,4-diamine Chemical group NC1=NC=NC(N)=N1 VZXTWGWHSMCWGA-UHFFFAOYSA-N 0.000 description 1
- VNQNXQYZMPJLQX-UHFFFAOYSA-N 1,3,5-tris[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-1,3,5-triazinane-2,4,6-trione Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CN2C(N(CC=3C=C(C(O)=C(C=3)C(C)(C)C)C(C)(C)C)C(=O)N(CC=3C=C(C(O)=C(C=3)C(C)(C)C)C(C)(C)C)C2=O)=O)=C1 VNQNXQYZMPJLQX-UHFFFAOYSA-N 0.000 description 1
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 1
- PXGZQGDTEZPERC-UHFFFAOYSA-N 1,4-cyclohexanedicarboxylic acid Chemical compound OC(=O)C1CCC(C(O)=O)CC1 PXGZQGDTEZPERC-UHFFFAOYSA-N 0.000 description 1
- ALVZNPYWJMLXKV-UHFFFAOYSA-N 1,9-Nonanediol Chemical compound OCCCCCCCCCO ALVZNPYWJMLXKV-UHFFFAOYSA-N 0.000 description 1
- HMUNWXXNJPVALC-UHFFFAOYSA-N 1-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C(CN1CC2=C(CC1)NN=N2)=O HMUNWXXNJPVALC-UHFFFAOYSA-N 0.000 description 1
- RMSGQZDGSZOJMU-UHFFFAOYSA-N 1-butyl-2-phenylbenzene Chemical group CCCCC1=CC=CC=C1C1=CC=CC=C1 RMSGQZDGSZOJMU-UHFFFAOYSA-N 0.000 description 1
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- LNETULKMXZVUST-UHFFFAOYSA-N 1-naphthoic acid Chemical compound C1=CC=C2C(C(=O)O)=CC=CC2=C1 LNETULKMXZVUST-UHFFFAOYSA-N 0.000 description 1
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical group CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 1
- YUBBHLUEJPLYOZ-UHFFFAOYSA-N 1-phenyl-4-(4-phenylphenyl)benzene phosphoric acid Chemical compound P(=O)(O)(O)O.C1(=CC=CC=C1)C1=CC=C(C=C1)C1=CC=C(C=C1)C1=CC=CC=C1 YUBBHLUEJPLYOZ-UHFFFAOYSA-N 0.000 description 1
- YBYIRNPNPLQARY-UHFFFAOYSA-N 1H-indene Natural products C1=CC=C2CC=CC2=C1 YBYIRNPNPLQARY-UHFFFAOYSA-N 0.000 description 1
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 description 1
- FQXGHZNSUOHCLO-UHFFFAOYSA-N 2,2,4,4-tetramethyl-1,3-cyclobutanediol Chemical compound CC1(C)C(O)C(C)(C)C1O FQXGHZNSUOHCLO-UHFFFAOYSA-N 0.000 description 1
- GZZLQUBMUXEOBE-UHFFFAOYSA-N 2,2,4-trimethylhexane-1,6-diol Chemical compound OCCC(C)CC(C)(C)CO GZZLQUBMUXEOBE-UHFFFAOYSA-N 0.000 description 1
- RIZUCYSQUWMQLX-UHFFFAOYSA-N 2,3-dimethylbenzoic acid Chemical compound CC1=CC=CC(C(O)=O)=C1C RIZUCYSQUWMQLX-UHFFFAOYSA-N 0.000 description 1
- BSYJHYLAMMJNRC-UHFFFAOYSA-N 2,4,4-trimethylpentan-2-ol Chemical compound CC(C)(C)CC(C)(C)O BSYJHYLAMMJNRC-UHFFFAOYSA-N 0.000 description 1
- ZXDDPOHVAMWLBH-UHFFFAOYSA-N 2,4-Dihydroxybenzophenone Chemical compound OC1=CC(O)=CC=C1C(=O)C1=CC=CC=C1 ZXDDPOHVAMWLBH-UHFFFAOYSA-N 0.000 description 1
- MFZAXZRJGHLULL-UHFFFAOYSA-N 2,4-ditert-butyl-6-[2-(3,5-ditert-butyl-2-hydroxyphenyl)ethyl]phenol Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC(CCC=2C(=C(C=C(C=2)C(C)(C)C)C(C)(C)C)O)=C1O MFZAXZRJGHLULL-UHFFFAOYSA-N 0.000 description 1
- DKCPKDPYUFEZCP-UHFFFAOYSA-N 2,6-di-tert-butylphenol Chemical compound CC(C)(C)C1=CC=CC(C(C)(C)C)=C1O DKCPKDPYUFEZCP-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- FJGQBLRYBUAASW-UHFFFAOYSA-N 2-(benzotriazol-2-yl)phenol Chemical compound OC1=CC=CC=C1N1N=C2C=CC=CC2=N1 FJGQBLRYBUAASW-UHFFFAOYSA-N 0.000 description 1
- YEVQZPWSVWZAOB-UHFFFAOYSA-N 2-(bromomethyl)-1-iodo-4-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=CC=C(I)C(CBr)=C1 YEVQZPWSVWZAOB-UHFFFAOYSA-N 0.000 description 1
- LCZVSXRMYJUNFX-UHFFFAOYSA-N 2-[2-(2-hydroxypropoxy)propoxy]propan-1-ol Chemical compound CC(O)COC(C)COC(C)CO LCZVSXRMYJUNFX-UHFFFAOYSA-N 0.000 description 1
- ZSMMOCNTIRCAAL-UHFFFAOYSA-N 2-[2-[2-[2-(3-tert-butyl-4-hydroxy-5-methylphenyl)propanoyloxy]ethoxy]ethoxy]ethyl 2-(3-tert-butyl-4-hydroxy-5-methylphenyl)propanoate Chemical compound C=1C(C)=C(O)C(C(C)(C)C)=CC=1C(C)C(=O)OCCOCCOCCOC(=O)C(C)C1=CC(C)=C(O)C(C(C)(C)C)=C1 ZSMMOCNTIRCAAL-UHFFFAOYSA-N 0.000 description 1
- KLIZOTJVECGYSJ-UHFFFAOYSA-N 2-[2-[3-(benzotriazol-2-yl)-5-(2-phenylpropan-2-yl)phenyl]propan-2-yl]phenol Chemical compound C=1C(N2N=C3C=CC=CC3=N2)=CC(C(C)(C)C=2C(=CC=CC=2)O)=CC=1C(C)(C)C1=CC=CC=C1 KLIZOTJVECGYSJ-UHFFFAOYSA-N 0.000 description 1
- BPZIYBJCZRUDEG-UHFFFAOYSA-N 2-[3-(1-hydroxy-2-methylpropan-2-yl)-2,4,8,10-tetraoxaspiro[5.5]undecan-9-yl]-2-methylpropan-1-ol Chemical compound C1OC(C(C)(CO)C)OCC21COC(C(C)(C)CO)OC2 BPZIYBJCZRUDEG-UHFFFAOYSA-N 0.000 description 1
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
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- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
- C09K2323/03—Viewing layer characterised by chemical composition
- C09K2323/031—Polarizer or dye
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
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- Manufacture Of Macromolecular Shaped Articles (AREA)
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Description
本發明係關於一種偏光板之偏光能力之維持性優異的含有特定之三化合物而成之樹脂製光學膜及光學片材,尤其係關於一種除可利用於液晶顯示裝置等所使用之偏光板用之保護膜及保護片材、相位差膜、視角擴大膜、防眩膜、增亮膜、光擴散膜及光擴散片材、透鏡膜及透鏡片材、防霧膜、抗靜電膜或導光板以外,亦可利用於各種基板及電漿顯示器所使用之抗反射膜等各種功能膜、以及有機EL(Electronic Luminescence,電致發光)顯示器等所使用之各種功能膜等的光學膜及光學片材。
所謂光學膜及光學片材,係指無論有無波長之選擇均吸收光、或者具有螢光或磷光等之發光功能者、可根據電壓等切換透光與阻斷者、具有偏光功能者、具有防眩功能者等具有各種光學功能者。
於液晶顯示裝置中,將光擴散膜及光擴散片材或偏光板用之保護膜及保護片材等各種光學膜及光學片材積層而加以使用,於在商品開發中主張相對於電漿顯示器或有機EL等其他平板顯示器之優勢方面承擔重要之功能。
液晶顯示裝置中不可或缺之偏光板係藉由如下方式而製造:於以碘或二色性色素將聚乙烯醇等聚合物染色並藉由延伸而配向之偏光膜(偏光元件)上,視需要自兩側貼合三乙醯纖維素等之保護膜或保護片材,但該偏光板經過長時
間之使用,偏光能力下降而對比度下降。特別是使用碘之偏光板,雖比二色性色素廉價,但存在缺乏穩定性之問題。又,聚乙烯醇具有在暴露於紫外線下時會著有黃色之缺點。
先前以來,為防止偏光板或者保護膜或保護片材之光劣化,而研究於偏光板用之保護膜或保護片材中調配紫外線吸收劑,專利文獻1中提出有併用三系紫外線吸收劑與苯并三唑系紫外線吸收劑,專利文獻2中提出有使用特定之苯并三唑系紫外線吸收劑。上述紫外線吸收劑均顯示出偏光板與偏光板用之保護膜之接著性優異、或者提高膜所使用之聚合物之耐光性的效果,但在偏光板之偏光能力之維持方面則未必令人滿意。
專利文獻1:日本專利特開2007-004199號公報
專利文獻2:日本專利特開2007-108775號公報
本發明之目的在於提供一種於使用碘作為色素之偏光板中優異地維持該偏光板之偏光能力的光學膜及光學片材。
本發明者等人為解決上述課題而積極研究,結果發現,具有特定構造之三化合物優異地維持偏光板之偏光能力,從而完成了本發明。
即,本發明藉由提供一種光學膜或光學片材而達成上述目的,該光學膜或光學片材係使用碘作為色素之偏光板或
使用該偏光板之液晶顯示裝置所使用者,且係由含有下述通式(1)所表示之三化合物之樹脂形成。
作為本發明之光學膜及光學片材,含有上述通式(1)之R1為碳原子數1~12之直鏈或支鏈烷基(其中,該等烷基可經羥基、鹵素原子或烷氧基所取代,亦可由氧原子、硫原子、羰基、酯基、醯胺基或亞胺基所中斷)、R2為碳原子數1~8之烷基的三化合物之光學膜及光學片材,因本發明之目的即偏光能力之維持性優異,故較佳。將上述三化合物添加於偏光板用之保護膜或保護片材等位於背光或太陽光、照明等之外光與偏光膜(偏光元件)間的膜或片材
中,由此可長期保持利用碘之偏光。進而,上述樹脂為丙烯酸酯系樹脂、聚碳酸酯系樹脂、聚對苯二甲酸乙二酯系樹脂、聚萘二甲酸乙二酯系樹脂、聚苯乙烯系樹脂、纖維素酯系樹脂或降莰烯系樹脂之光學膜及光學片材由於透明性、偏光特性及電絕緣性優異,故較佳。
以下,依據較佳之實施形態就本發明之光學膜及光學片材加以具體說明。
作為偏光板中所使用之偏光膜(偏光元件),只要係以色素將聚乙烯醇等基材聚合物染色並進行延伸等配向處理、且使用碘作為色素者,則並無特別限制。一般認為,碘成為聚碘離子,由此對廣範圍之波長顯示出偏光能力,例如,藉由使基材聚合物含浸於碘與碘化鉀之調配比不同之水溶液中,可獲得含有所締合之碘原子數不同之聚碘離子的偏光板。水溶液中之碘濃度通常為0.01~0.5質量%,較好的是0.02~0.4質量%,碘化鉀濃度通常為0.01~10質量%,較好的是0.02~8質量%。對偏光板亦可進一步實施硼酸處理、碘離子處理等。
本發明中所使用之三化合物係以下述通式(1)所表示。
上述式中,作為R1所表示之碳原子數為1~12之直鏈或支鏈烷基,例如可列舉:甲基、乙基、丙基、異丙基、丁基、異丁基、第二丁基、第三丁基、戊基、第三戊基、己基、辛基、第二辛基、第三辛基、2-乙基己基、癸基、十一烷基、十二烷基等直鏈或支鏈烷基。作為碳原子數為3~8之環烷基,例如可列舉環丙基、環戊基、環己基、環庚基等,其中,己基由於本發明之目的即偏光能力之維持性優異,故較佳。
作為以R2所表示之碳原子數為1~8之烷基,例如可列舉:甲基、乙基、丙基、異丙基、丁基、第二丁基、第三丁基、異丁基、戊基、第三戊基、辛基、第三辛基等,其中,甲基由於本發明之目的即偏光能力之維持性優異,故較佳。
作為以R1及R2所表示之碳原子數為3~8之烯基,可列舉直鏈及支鏈之丙烯基、丁烯基、戊烯基、己烯基、庚烯
基、辛烯基,且其不飽和鍵之位置並無限制。
作為R1所表示之碳原子數為6~18之芳基,例如可列舉苯基、萘基、聯苯基等,作為碳原子數為7~18之烷基芳基,例如可列舉甲基苯基、二甲基苯基、乙基苯基、辛基苯基等,作為碳原子數為7~18之芳基烷基,例如可列舉苄基、2-苯基乙基、1-甲基-1-苯基乙基等。又,作為具有取代基或中斷之芳基,可列舉4-甲基苯基、3-氯苯基、4-苄氧基苯基、4-氰基苯基、4-苯氧基苯基、4-縮水甘油氧基苯基、4-異氰尿酸酯苯基等。
作為R1所表示之可具有取代基及中斷之烷基、環烷基,可列舉2-羥基丙基、2-甲氧基乙基、3-磺醯基-2-羥基丙基、4-甲基環己基等。
作為本發明之光學膜及光學片材所使用的上述通式(1)所表示之三化合物,例如可列舉下述化合物No.1~No.5等化合物。
相對於100質量份之樹脂,本發明所使用之三化合物之使用量較好的是0.001~10質量份,更好的是0.05~5質量份。當三化合物之使用量未滿0.001質量份時,無法充分維持偏光能力,當三化合物之使用量超過10質量份時,會產生樹脂物性下降或由於滲出等損害偏光能力等問題。
作為本發明中所使用之樹脂,亦可利用可見光之透射率
優異之合成樹脂中之任一種,其中,聚碳酸酯系樹脂、聚對苯二甲酸乙二酯系樹脂、聚萘二甲酸乙二酯系樹脂、三乙酸纖維素或乙酸丁酸纖維素等纖維素酯系樹脂、聚丙烯酸甲酯或聚甲基丙烯酸甲酯等丙烯酸酯系樹脂、環烯烴系樹脂、聚苯乙烯系樹脂、降莰烯系樹脂等由於透明性、耐久性、偏光特性及電絕緣性優異,故較佳。
本發明之光學膜及光學片材之成形方法可為澆鑄法亦可為熔融擠壓法,可藉由與先前相同之方法來成形,其厚度亦並無特別限定,例如,於成形為膜之情形時,較好的是5~300μm,更好的是5~150μm,於成形為片材之情形時,較好的是200μm~10mm,更好的是300μm~5mm。
本發明中所使用之三化合物之耐揮散性亦優異,因此亦適用於作為澆鑄法、熔融擠壓法之加工條件而生產性較高的高溫條件(200~350℃)下之製造。
本發明之光學膜及光學片材可直接與偏光板接著,亦可介隔接著劑層而接著,亦可夾著其他功能性膜而積層,亦可於製造其他具有功能性之膜時調配本發明所使用之三化合物而製成多功能膜。
上述光學膜及光學片材之未與偏光板接著之面,亦可為實施有硬塗層或抗反射處理、以防黏或以擴散甚至防眩為目的之處理而成者。
使用本發明之光學膜及光學片材之液晶顯示裝置由於維持偏光能力優異,故所應用之液晶顯示裝置並無特別限制,無論TN(Twisted Nematic,扭轉向列型)、STN(Super
Twisted Nematic,超扭轉向列型)、TFT(Thin Film Transistor,薄膜電晶體)等驅動方式如何,無論背光源為螢光燈還是LED(Light Emitting Diode,發光二極體)等光源種類如何,無論是反射型還是透光型等是否利用太陽光等外部光作為光源,無論觸控面板功能之有無等用以附加、提高作為顯示裝置之功能的措施之有無或程度如何,均可較佳地使用。
本發明中所使用之三化合物相對於丙烯酸酯系樹脂、聚碳酸酯系樹脂、聚對苯二甲酸乙二酯系樹脂、聚萘二甲酸乙二酯系樹脂、聚苯乙烯系樹脂、纖維素酯系樹脂或降莰烯系樹脂等具有優異之溶解性,因此,除防止碘由於光而失去偏光能力以外,亦可期待與偏光板之接著性優異或膜之物性穩定、不會污染其他部件等效果。
本發明之光學膜及光學片材中,較好的是根據所使用之樹脂種類來調配通常使用之抗氧化劑(酚系、磷系或硫醚系等)、增塑劑及加工助劑等添加劑。
作為上述酚系抗氧化劑,例如可列舉:2,6-二第三丁基-對甲酚、2,6-二苯基-4-十八烷氧基苯酚、二硬脂基(3,5-二第三丁基-4-羥基苄基)膦酸酯、1,6-六亞甲基雙[(3,5-二第三丁基-4-羥基苯基)丙醯胺]、4,4'-硫基雙(6-第三丁基-間甲酚)、2,2'-亞甲基雙(4-甲基-6-第三丁基苯酚)、2,2'-亞甲基雙(4-乙基-6-第三丁基苯酚)、4,4'-亞丁基雙(6-第三丁基-間甲酚)、2,2'-亞乙基雙(4,6-二第三丁基苯酚)、2,2'-亞乙基雙(4-第二丁基-6-第三丁基苯酚)、1,1,3-三(2-甲基-4-羥
基-5-第三丁基苯基)丁烷、1,3,5-三(2,6-二甲基-3-羥基-4-第三丁基苄基)異氰尿酸酯、1,3,5-三(3,5-二第三丁基-4-羥基苄基)異氰尿酸酯、1,3,5-三(3,5-二第三丁基-4-羥基苄基)-2,4,6-三甲基苯、2-第三丁基-4-甲基-6-(2-丙烯醯氧基-3-第三丁基-5-甲基苄基)苯酚、硬脂基(3,5-二第三丁基-4-羥基苯基)丙酸酯、硫基二乙二醇雙[(3,5-二第三丁基-4-羥基苯基)丙酸酯]、1,6-六亞甲基雙[(3,5-二第三丁基-4-羥基苯基)丙酸酯]、雙[3,3-雙(4-羥基-3-第三丁基苯基)丁酸]二醇酯、雙[2-第三丁基-4-甲基-6-(2-羥基-3-第三丁基-5-甲基苄基)苯基]對苯二甲酸酯、1,3,5-三[(3,5-二第三丁基-4-羥基苯基)丙醯氧基乙基]異氰尿酸酯、3,9-雙[1,1-二甲基-2-{(3-第三丁基-4-羥基-5-甲基苯基)丙醯氧基}乙基]-2,4,8,10-四氧雜螺[5.5]十一烷、三乙二醇雙[(3-第三丁基-4-羥基-5-甲基苯基)丙酸酯]等,相對於100質量份之樹脂,較好的是使用0.001~10質量份,更好的是使用0.05~5質量份。
作為上述磷系抗氧化劑,例如可列舉亞磷酸三壬基苯酯、三[2-第三丁基-4-(3-第三丁基-4-羥基-5-甲基苯硫基)-5-甲基苯基]亞磷酸酯、亞磷酸十三烷酯、亞磷酸辛基二苯酯、亞磷酸二(癸基)單苯酯、二(十三烷基)季戊四醇二亞磷酸酯、二(壬基苯基)季戊四醇二亞磷酸酯、雙(2,4-二第三丁基苯基)季戊四醇二亞磷酸酯、雙(2,6-二第三丁基-4-甲基苯基)季戊四醇二亞磷酸酯、雙(2,4,6-三第三丁基苯基)季戊四醇二亞磷酸酯、雙(2,4-二異丙苯基苯基)季戊四
醇二亞磷酸酯、四(十三烷基)異亞丙基二苯酚二亞磷酸酯、四(十三烷基)-4,4'-n-亞丁基雙(2-第三丁基-5-甲基苯酚)二亞磷酸酯、六(十三烷基)-1,1,3-三(2-甲基-4-羥基-5-第三丁基苯基)丁烷三亞磷酸酯、四(2,4-二第三丁基苯基)伸聯苯基二亞磷酸酯、9,10-二氫-9-氧雜-10-磷雜菲-10-氧化物、2,2'-亞甲基雙(4,6-第三丁基苯基)-2-乙基己基亞磷酸酯、2,2'-亞甲基雙(4,6-第三丁基苯基)-十八烷基亞磷酸酯、2,2'-亞乙基雙(4,6-二第三丁基苯基)氟亞磷酸酯、三(2-[(2,4,8,10-四第三丁基二苯并[d,f][1,3,2]二磷環庚烷-6-基)氧基]乙基)胺、2-乙基-2-丁基丙二醇與2,4,6-三第三丁基苯酚之亞磷酸酯等。
作為上述硫醚系抗氧化劑,可列舉:硫代二丙酸二月桂酯、硫代二丙酸二肉豆蔻酯、硫代二丙酸二硬脂酯等硫代二丙酸二烷基酯類及季戊四醇四(β-十二烷基巰基丙酸酯)等多元醇之β-烷基巰基丙酸酯類。
本發明中所使用之三系紫外線吸收劑於用作偏光板之偏光元件的碘之穩定化方面特別優異,但由於液晶顯示裝置具有偏光板用之保護膜及保護片材、光擴散膜及光擴散片材或增亮膜所使用之樹脂、液晶化合物自身等相對於光須賦予穩定性之較多要素,故作為本發明之光學膜及光學片材中所使用之紫外線吸收劑,較好的是併用其他紫外線吸收劑。作為其他紫外線吸收劑,可列舉苯并三唑系紫外線吸收劑、其他三系紫外線吸收劑及二苯甲酮系紫外線吸收劑等。
作為上述苯并三唑系紫外線吸收劑,可列舉:2-(2'-羥基-5'-甲基苯基)苯并三唑、2-(2'-羥基-3',5'-二第三丁基苯基)-5-氯苯并三唑、2-(2'-羥基-3'-第三丁基-5'-甲基苯基)-5-氯苯并三唑、2-(2'-羥基-5'-第三辛基苯基)苯并三唑、2-(2'-羥基-3',5'-二異丙苯基苯基)苯并三唑、2-(2'-羥基-3'-第三丁基-5'-羧基苯基)苯并三唑、2,2'-亞甲基雙(4-第三辛基-6-苯并三唑基)苯酚等2-(2'-羥基苯基)苯并三唑類。
作為上述三系紫外線吸收劑,可列舉:2-(2-羥基-4-辛氧基苯基)-4,6-雙(2,4-二甲基苯基)-均三、2-(2-羥基-4-己氧基苯基)-4,6-二苯基-均三、2-(2-羥基-4-丙氧基-5-甲基苯基)-4,6-雙(2,4-二甲基苯基)-均三、2-(2-羥基-4-己氧基苯基)-4,6-二聯苯基-均三、2,4-雙(2-羥基-4-辛氧基苯基)-6-(2,4-二甲基苯基)-均三、2,4,6-三(2-羥基-4-辛氧基苯基)-均三等三芳基三類等。
作為上述二苯甲酮系紫外線吸收劑,可列舉:2,4-二羥基二苯甲酮、2-羥基-4-甲氧基二苯甲酮、2-羥基-4-辛氧基二苯甲酮及5,5'-亞甲基雙(2-羥基-4-甲氧基二苯甲酮)等2-羥基二苯甲酮類。
該等其他紫外線吸收劑由於係調配至成形為成分容易揮散之膜狀的樹脂中,故較好的是於基材樹脂中之溶解性優異之構造,又,較好的是不易由於加工時或使用時之熱而揮散之高分子量之構造者,亦可為分子量為500以上、更好的是分子量為700以上,且導入聚合性基團或反應性基團而進行高分子量化或者組入至樹脂中者。相對於100質
量份之樹脂,該等其他紫外線吸收劑之使用量較好的是0.01~10質量份,更好的是0.05~5質量份。
作為上述增塑劑,並無特別限定,例如可列舉磷酸酯系增塑劑或聚酯系增塑劑,該等可單獨使用或者將2種以上混合使用。
作為上述磷酸酯系增塑劑,可列舉:磷酸三苯酯、磷酸三甲苯酯、磷酸甲苯基二苯酯、磷酸辛基二苯酯、磷酸二苯基聯苯酯、磷酸三辛酯、磷酸三丁酯等。
作為上述聚酯系增塑劑,可列舉:由脂肪族二元酸或芳香族二元酸及二醇化合物所構成之鏈狀聚酯或羥基羧酸之鏈狀聚酯。
作為上述脂肪族二元酸,可列舉:草酸、丙二酸、丁二酸、戊二酸、己二酸、庚二酸、壬二酸、癸二酸、反丁烯二酸、2,2-二甲基戊二酸、辛二酸、1,3-環戊烷二甲酸、1,4-環己烷二甲酸、1,3-環己烷二甲酸、二甘醇酸、衣康酸、順丁烯二酸、2,5-降莰烯二甲酸等。作為芳香族二元酸,可列舉:鄰苯二甲酸、1,5-萘二甲酸、2,6-萘二甲酸、聯苯基二甲酸、蒽二甲酸、聯三苯二甲酸等。
作為上述二醇化合物,可列舉:乙二醇、丙二醇、1,3-丙二醇、1,2-丁二醇、1,3-丁二醇、1,4-丁二醇、2-甲基丙二醇、1,3-二甲基丙二醇、1,5-戊二醇、2,2-二甲基-1,3-丙二醇、1,6-己二醇、3-甲基-1,5-戊二醇、1,9-壬二醇、2,2,4-三甲基-1,6-己二醇、2-乙基-2-丁基丙二醇、二乙二醇、三乙二醇、四乙二醇、二丙二醇、三丙二醇、四丙二
醇、硫代二乙二醇、1,3-環己烷二甲醇、1,4-環己烷二甲醇、2,2,4,4-四甲基-1,3-環丁二醇、3,9-雙(2-羥基-1,1-二甲基乙基)-2,4,8,10-四氧雜螺[5,5]十一烷等。
作為上述羥基羧酸,可列舉:4-羥基甲基環己甲酸、羥基三甲基乙酸、6-羥基己酸、乙醇酸、乳酸等。
作為其他的聚酯系增塑劑,可列舉3元以上之多元醇與單羧酸化合物之聚酯。作為3元以上之多元醇,可列舉:丙三醇、三羥甲基丙烷、季戊四醇、山梨糖醇或作為其縮合物之二季戊四醇、三季戊四醇等。又,亦可為對該等多元醇加成氧化乙烯等氧化烯而成之聚醚多元醇。
作為上述單羧酸,可列舉:苯甲酸、對甲基苯甲酸、間甲基苯甲酸、二甲基苯甲酸、對第三丁基苯甲酸、對甲氧基苯甲酸、對氯苯甲酸、萘酸、聯苯甲酸等芳香族羧酸;環己甲酸等脂環式羧酸;乙酸、丙酸、2-乙基己酸等脂肪族酸。單羧酸可單獨使用亦可混合使用。
就膜性能、加工性等方面而言,該等增塑劑之使用量較好的是於樹脂中占0~20質量%。作為液晶顯示部件用,就尺寸穩定性之觀點而言,更好的是1~15質量%,尤其好的是2~10質量%,就水解之方面而言較好的是聚酯系增塑劑。
本發明之光學膜及光學片材不限定於作為上述各種調配物或液晶顯示裝置之用途,亦可適當地用於先前公知之日本專利特開2003-84269號公報、日本專利特開2002-47357號公報、日本專利特開2007-108775號公報、或日本專利
特開2007-17555號公報等中記載之液晶顯示裝置及液晶顯示裝置所用之光學膜及光學片材中公知之摻合劑或構成。
藉由實施例等來詳細表示本發明。然而,本發明不受下述實施例等之任何限制。
將降莰烯樹脂(JSR(股)製造、製品名為ARTON F5023)3g及表1~3中記載之紫外線吸收劑30mg溶解於溶劑(甲苯/環己烷=9/1)7g中,藉由澆鑄法製作厚度為40μm之膜,獲得一邊長為2cm之正方形的保護膜試驗片。
將利用上述製造方法所獲得之保護膜試驗片與色素為碘之偏光板(Sanritz(股)製造、製品名為Varilite LL-81-18、厚度為100μm)貼合,於日光式耐候機(83℃、無雨、光源為碳弧燈)中240小時後與未經光照射之偏光板重疊,於400nm、550nm及700nm之各波長下測定以透射率達到最低之方式重疊之狀態下的吸光度。與利用日光式耐候機之光照射前之吸光度進行比較,當吸光度之保持率為100%時,表示作為偏光元件正常地發揮功能,當吸光度下降時,則表示偏光能力喪失而不發揮作為偏光元件之功能,因此,藉由吸光度之保持率來對作為使用碘之偏光板中之保護膜的性能進行評價。將結果示於表1。又,預先使偏光板重疊為正交偏光狀態,對其貼合保護膜試驗片,並測定全光線透射率(%)及於日光式耐候機中240小時後之波長
650nm下之吸光度,將其測定結果一併示於表1。
相對於100質量份之三乙醯纖維素樹脂(Daisel化學工業(股)製造、製品名為LT-35),以表2或表3中記載之調配量調配同表中記載之紫外線吸收劑,除此以外,利用與上述實施例1之保護膜之製造方法相同之製造方法來製作膜試驗片。
對藉由上述製造方法所獲得之膜試驗片利用日光式耐候機(83℃、無雨、光源為碳弧燈)測定360及480小時後之全光線透射率(%)之保持率(%),評價、耐光性。將結果一併示於表2及表3。
相對於下述表4或5中記載之樹脂100質量份,調配0.2質量份之同表中記載之紫外線吸收劑,除此以外,利用與上述實施例1之保護膜之製造方法相同之製造方法來製作膜試驗片。
對利用上述製造方法所獲得之膜試驗片利用日光式耐候機(83℃、無雨、光源為碳弧燈)測定240、360及480小時後之全光線透射率(%)之保持率(%),評價耐光性。將結果一併示於表4及5。
再者,表中使用之樹脂的簡稱分別如下。TAC:三乙醯纖維素樹脂:Daisel化學工業(股)製造、製品名為LT-35
PC:聚碳酸酯樹脂:三菱工程塑膠(股)製造、製品名為E-2000
PMMA:甲基丙烯酸樹脂:三菱麗陽(股)製造、製品名為ACRYPET VH000
NBE:降莰烯樹脂:JSR(股)製造、製品名為ARTON F5023
PET:聚對苯二甲酸乙二酯樹脂:帝人化成(股)製造、製品名為TR-8550
PS:聚苯乙烯樹脂:Scientific Polymer Products製聚苯乙烯、重量平均分子量(Mw)為約20萬
不調配紫外線吸收劑而使用下述表6中記載之樹脂,除此以外,利用與上述實施例1中保護膜之製造方法相同之製造方法來製作膜試驗片,進而利用相同之評價方法來測定240、360及480小時後之全光線透射率(%)之保持率(%)。將結果一併示於表6。
根據表1之結果可觀察到如下傾向:雖然在短波長400nm下吸光度之變化較小,但波長變得越長即變為550nm、700nm則吸光度之下降幅度越大。
此處,為保持作為偏光板之功能,必須於所有波長下顯示出較高之保持率,本發明之特定之三化合物於短波長
下顯示出雖略遜於苯并三唑化合物或其他三化合物但為90%以上之保持率,且長波長範圍內之保持率優異,特別是於其他化合物僅顯示出87%左右之保持率的550nm下顯示出97%之特別優異之保持率。
又,根據正交偏光時之結果,本發明之三化合物在保持率方面表現出特別顯著之效果。
由表2及表3之結果可知,本發明之三化合物與先前之紫外線吸收劑相比發揮較優異之效果,又,以先前之紫外線吸收劑之一半的調配量就顯示出同等以上之效果。
由表4、表5及表6之結果可知,本發明之三化合物除對纖維素酯系樹脂、聚對苯二甲酸乙二酯系樹脂以外對各種樹脂發揮顯著之效果。
根據上述結果,本發明之三化合物於保持作為偏光板之功能所必需之所有波長下顯示出較高之吸光度保持率,特別是對長波長範圍及正交偏光時之保持率發揮顯著之效果。進而,以先前化合物之一半的調配量就可發揮同等以上之效果,又,於各種樹脂中均發揮良好之效果。因此,本發明之特定之三化合物可提供於使用碘作為色素之偏光板中偏光能力之維持性等性能優異之光學膜及光學片材。
藉由本發明,可提供一種優異地維持偏光板之偏光能力的光學膜及光學片材。
Claims (6)
- 一種使用碘作為色素之偏光板,其係使用由含有下述化合物No.4之樹脂形成之光學膜或光學片材,
- 如請求項1之偏光板,其中上述樹脂係丙烯酸酯系樹脂、聚碳酸酯系樹脂、聚對苯二甲酸乙二酯系樹脂、聚萘二甲酸乙二酯系樹脂、聚苯乙烯系樹脂、纖維素酯系樹脂、環烯烴系樹脂或降莰烯系樹脂。
- 如請求項1之偏光板,其中上述樹脂係聚對苯二甲酸乙二酯系樹脂或聚苯乙烯系樹脂。
- 如請求項1之偏光板,其中上述光學膜或光學片材為設置於與液晶顯示元件相接之偏光板之外表面側的光學膜或光學片材。
- 如請求項1之偏光板,其中上述光學膜或光學片材為偏光板用之保護膜或保護片材。
- 一種液晶顯示裝置,其使用如請求項1之偏光板。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007338161 | 2007-12-27 | ||
| JP2008318772A JP2009098701A (ja) | 2007-12-27 | 2008-12-15 | 光学フィルム及び光学シート |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200949315A TW200949315A (en) | 2009-12-01 |
| TWI592703B true TWI592703B (zh) | 2017-07-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW097150280A TWI592703B (zh) | 2007-12-27 | 2008-12-23 | Optical film and optical sheet |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20100247811A1 (zh) |
| EP (1) | EP2226658B1 (zh) |
| JP (1) | JP2009098701A (zh) |
| KR (1) | KR20100108327A (zh) |
| CN (1) | CN101883996A (zh) |
| PL (1) | PL2226658T3 (zh) |
| TW (1) | TWI592703B (zh) |
| WO (1) | WO2009084426A1 (zh) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010004901A1 (ja) * | 2008-07-10 | 2010-01-14 | 株式会社Adeka | 光学フィルム |
| JP2011024916A (ja) * | 2009-07-28 | 2011-02-10 | Adeka Corp | 医療用レンズ |
| JP2011173964A (ja) * | 2010-02-23 | 2011-09-08 | Fujifilm Corp | セルロースアシレートフィルム、並びにそれを用いた位相差フィルム、偏光板、及び液晶表示装置 |
| JP2012201768A (ja) * | 2011-03-24 | 2012-10-22 | Adeka Corp | 蛍光部材被覆用樹脂組成物及びこれを塗布してなる蛍光部材 |
| JP2012212080A (ja) * | 2011-03-31 | 2012-11-01 | Sumitomo Chemical Co Ltd | 偏光板 |
| EP2899575B1 (en) * | 2012-09-24 | 2017-11-29 | Teijin Limited | Uniaxially stretched multi-layer laminate film, polarizing plate comprising same, optical member for liquid crystal display device, and liquid crystal display device |
| JP2013067811A (ja) * | 2012-12-06 | 2013-04-18 | Adeka Corp | 遮光フィルム |
| WO2014204163A1 (ko) * | 2013-06-18 | 2014-12-24 | 주식회사 엘지화학 | 수지 조성물, 그 제조방법 및 이를 포함하는 광학 필름 |
| KR102148823B1 (ko) * | 2013-08-21 | 2020-08-28 | 삼성디스플레이 주식회사 | 멀티 패널 표시 장치 |
| JP6472652B2 (ja) | 2014-12-18 | 2019-02-20 | 株式会社Adeka | アクリル樹脂組成物及びそれを積層してなる積層体 |
| JP6538383B2 (ja) * | 2015-03-16 | 2019-07-03 | 住友化学株式会社 | 偏光板及び円偏光板 |
| US10351538B2 (en) * | 2015-09-09 | 2019-07-16 | Kaneka Corporation | Methods respectively for producing 2,4,6-tris (2-hydroxy-3-methyl-4-alkoxyphenyl)-1,3,5-triazine compound and 2,4,6-tris(2,4-dihydroxy-3-methylphenyl)-1,3,5-triazine |
| JPWO2020031784A1 (ja) * | 2018-08-06 | 2021-09-24 | 富士フイルム株式会社 | 積層体、液晶表示装置、有機電界発光装置 |
| WO2020122122A1 (ja) * | 2018-12-12 | 2020-06-18 | 帝人株式会社 | レンズ用熱可塑性樹脂及びそれを含むレンズ |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0980231A (ja) * | 1995-09-18 | 1997-03-28 | Kuraray Co Ltd | 偏光板 |
| JP3867178B2 (ja) * | 1997-11-07 | 2007-01-10 | グンゼ株式会社 | 偏光板用保護膜及びそれを用いてなる偏光板 |
| US6468609B2 (en) * | 1999-12-01 | 2002-10-22 | Agfa-Gevaert | UV-absorbing film and its use as protective sheet |
| JP2002047357A (ja) | 2000-05-26 | 2002-02-12 | Konica Corp | セルロースエステルフィルム、光学フィルム、偏光板、光学補償フィルム及び液晶表示装置 |
| US7078078B2 (en) * | 2001-01-23 | 2006-07-18 | Fuji Photo Film Co., Ltd. | Optical compensatory sheet comprising transparent support and optically anisotropic layer |
| JP2003084269A (ja) | 2001-07-05 | 2003-03-19 | Nitto Denko Corp | 光学フィルム及びこれを用いた液晶表示装置 |
| JP4326268B2 (ja) * | 2003-06-18 | 2009-09-02 | ソニーケミカル&インフォメーションデバイス株式会社 | 偏光板及び液晶表示素子 |
| CN100437164C (zh) * | 2004-05-12 | 2008-11-26 | 株式会社艾迪科 | 光学薄膜 |
| JP2007017555A (ja) | 2005-07-06 | 2007-01-25 | Nitto Denko Corp | 偏光子保護フィルム、偏光板、および画像表示装置 |
| JP2007293266A (ja) * | 2006-03-29 | 2007-11-08 | Fujifilm Corp | ポリマーフィルム、偏光板保護フィルム、偏光板および液晶表示装置 |
| JP3985845B2 (ja) | 2006-12-11 | 2007-10-03 | コニカミノルタホールディングス株式会社 | 光学フィルム、偏光板および液晶表示装置 |
-
2008
- 2008-12-15 JP JP2008318772A patent/JP2009098701A/ja active Pending
- 2008-12-16 US US12/743,303 patent/US20100247811A1/en not_active Abandoned
- 2008-12-16 PL PL08866466T patent/PL2226658T3/pl unknown
- 2008-12-16 CN CN2008801185347A patent/CN101883996A/zh active Pending
- 2008-12-16 KR KR1020107012450A patent/KR20100108327A/ko not_active Ceased
- 2008-12-16 WO PCT/JP2008/072850 patent/WO2009084426A1/ja not_active Ceased
- 2008-12-16 EP EP08866466.9A patent/EP2226658B1/en active Active
- 2008-12-23 TW TW097150280A patent/TWI592703B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| EP2226658B1 (en) | 2017-08-23 |
| EP2226658A4 (en) | 2010-12-08 |
| WO2009084426A1 (ja) | 2009-07-09 |
| JP2009098701A (ja) | 2009-05-07 |
| CN101883996A (zh) | 2010-11-10 |
| TW200949315A (en) | 2009-12-01 |
| EP2226658A1 (en) | 2010-09-08 |
| KR20100108327A (ko) | 2010-10-06 |
| PL2226658T3 (pl) | 2018-01-31 |
| US20100247811A1 (en) | 2010-09-30 |
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