JP2013163795A - Cellulosic resin composition and film - Google Patents
Cellulosic resin composition and film Download PDFInfo
- Publication number
- JP2013163795A JP2013163795A JP2012028931A JP2012028931A JP2013163795A JP 2013163795 A JP2013163795 A JP 2013163795A JP 2012028931 A JP2012028931 A JP 2012028931A JP 2012028931 A JP2012028931 A JP 2012028931A JP 2013163795 A JP2013163795 A JP 2013163795A
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- carbon atoms
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- butyl
- film
- resin composition
- Prior art date
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- 239000011342 resin composition Substances 0.000 title claims abstract description 7
- -1 ketone compounds Chemical class 0.000 claims abstract description 84
- 230000003287 optical effect Effects 0.000 claims abstract description 16
- 125000004432 carbon atom Chemical group C* 0.000 claims description 60
- 239000012461 cellulose resin Substances 0.000 claims description 37
- 125000000217 alkyl group Chemical group 0.000 claims description 23
- 239000000203 mixture Substances 0.000 claims description 21
- 229920002678 cellulose Polymers 0.000 claims description 19
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims description 15
- 125000001424 substituent group Chemical group 0.000 claims description 14
- 125000003118 aryl group Chemical group 0.000 claims description 13
- 125000004423 acyloxy group Chemical group 0.000 claims description 12
- 125000003545 alkoxy group Chemical group 0.000 claims description 12
- 239000001913 cellulose Substances 0.000 claims description 12
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 9
- ODIGIKRIUKFKHP-UHFFFAOYSA-N (n-propan-2-yloxycarbonylanilino) acetate Chemical compound CC(C)OC(=O)N(OC(C)=O)C1=CC=CC=C1 ODIGIKRIUKFKHP-UHFFFAOYSA-N 0.000 claims description 3
- 125000003107 substituted aryl group Chemical group 0.000 claims description 2
- 239000011347 resin Substances 0.000 abstract description 11
- 229920005989 resin Polymers 0.000 abstract description 11
- 238000002156 mixing Methods 0.000 abstract description 2
- 125000000468 ketone group Chemical group 0.000 abstract 1
- 239000002904 solvent Substances 0.000 description 32
- 239000004014 plasticizer Substances 0.000 description 14
- 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 12
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 9
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
- 239000007983 Tris buffer Substances 0.000 description 9
- 239000004973 liquid crystal related substance Substances 0.000 description 9
- 238000010438 heat treatment Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 7
- 235000014113 dietary fatty acids Nutrition 0.000 description 7
- 229930195729 fatty acid Natural products 0.000 description 7
- 239000000194 fatty acid Substances 0.000 description 7
- 238000001914 filtration Methods 0.000 description 7
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000002253 acid Substances 0.000 description 6
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 6
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 6
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 6
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 6
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 6
- 125000004491 isohexyl group Chemical group C(CCC(C)C)* 0.000 description 6
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 6
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 6
- 125000001400 nonyl 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])C([H])([H])[H] 0.000 description 6
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 6
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 6
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 6
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 5
- 239000003963 antioxidant agent Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 4
- UNVGBIALRHLALK-UHFFFAOYSA-N 1,5-Hexanediol Chemical compound CC(O)CCCCO UNVGBIALRHLALK-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 4
- 230000021736 acetylation Effects 0.000 description 4
- 238000006640 acetylation reaction Methods 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 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 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 4
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 4
- 125000002889 tridecyl 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])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 4
- RSJKGSCJYJTIGS-UHFFFAOYSA-N undecane Chemical compound CCCCCCCCCCC RSJKGSCJYJTIGS-UHFFFAOYSA-N 0.000 description 4
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 229920002284 Cellulose triacetate Polymers 0.000 description 3
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Chemical group CCCCCCCCCCCC SNRUBQQJIBEYMU-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
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 3
- 238000011101 absolute filtration Methods 0.000 description 3
- 125000005529 alkyleneoxy group Chemical group 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- 125000001204 arachidyl 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])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([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 3
- 238000009835 boiling Methods 0.000 description 3
- 125000001246 bromo group Chemical group Br* 0.000 description 3
- 125000001309 chloro group Chemical group Cl* 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 125000005843 halogen group Chemical group 0.000 description 3
- 125000002510 isobutoxy group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])O* 0.000 description 3
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 3
- 239000004611 light stabiliser Substances 0.000 description 3
- 125000002960 margaryl 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])C([H])([H])C([H])([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 3
- 125000001160 methoxycarbonyl group Chemical group [H]C([H])([H])OC(*)=O 0.000 description 3
- 125000001421 myristyl 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])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- UKJARPDLRWBRAX-UHFFFAOYSA-N n,n'-bis(2,2,6,6-tetramethylpiperidin-4-yl)hexane-1,6-diamine Chemical compound C1C(C)(C)NC(C)(C)CC1NCCCCCCNC1CC(C)(C)NC(C)(C)C1 UKJARPDLRWBRAX-UHFFFAOYSA-N 0.000 description 3
- 125000001624 naphthyl group Chemical group 0.000 description 3
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 3
- 125000001196 nonadecyl 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])C([H])([H])C([H])([H])C([H])([H])C([H])([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 3
- 125000000913 palmityl 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])C([H])([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 3
- 125000002958 pentadecyl 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])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 3
- 125000001792 phenanthrenyl group Chemical group C1(=CC=CC=2C3=CC=CC=C3C=CC12)* 0.000 description 3
- 229960004063 propylene glycol Drugs 0.000 description 3
- 125000004742 propyloxycarbonyl group Chemical group 0.000 description 3
- 125000001725 pyrenyl group Chemical group 0.000 description 3
- 125000004079 stearyl 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])C([H])([H])C([H])([H])C([H])([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 3
- 150000005846 sugar alcohols Polymers 0.000 description 3
- 125000001935 tetracenyl group Chemical group C1(=CC=CC2=CC3=CC4=CC=CC=C4C=C3C=C12)* 0.000 description 3
- 125000002948 undecyl 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])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 0 *CC(*C*C1=C*)C1=O Chemical compound *CC(*C*C1=C*)C1=O 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- 229920008347 Cellulose acetate propionate Polymers 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 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
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 2
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-L adipate(2-) Chemical compound [O-]C(=O)CCCCC([O-])=O WNLRTRBMVRJNCN-UHFFFAOYSA-L 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- JQCXWCOOWVGKMT-UHFFFAOYSA-N diheptyl phthalate Chemical compound CCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC JQCXWCOOWVGKMT-UHFFFAOYSA-N 0.000 description 2
- ZJIPHXXDPROMEF-UHFFFAOYSA-N dihydroxyphosphanyl dihydrogen phosphite Chemical compound OP(O)OP(O)O ZJIPHXXDPROMEF-UHFFFAOYSA-N 0.000 description 2
- 238000011978 dissolution method Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- ZQBAKBUEJOMQEX-UHFFFAOYSA-N phenyl salicylate Chemical compound OC1=CC=CC=C1C(=O)OC1=CC=CC=C1 ZQBAKBUEJOMQEX-UHFFFAOYSA-N 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- YPFDHNVEDLHUCE-UHFFFAOYSA-N propane-1,3-diol Chemical compound OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 2
- 238000003756 stirring Methods 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
- 239000000758 substrate Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 2
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 2
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 description 2
- QGMCRJZYVLHHHB-UHFFFAOYSA-N (1,2,2,6,6-pentamethylpiperidin-4-yl) octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC1CC(C)(C)N(C)C(C)(C)C1 QGMCRJZYVLHHHB-UHFFFAOYSA-N 0.000 description 1
- YEYCMBWKTZNPDH-UHFFFAOYSA-N (2,2,6,6-tetramethylpiperidin-4-yl) benzoate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)C1=CC=CC=C1 YEYCMBWKTZNPDH-UHFFFAOYSA-N 0.000 description 1
- JMUOXOJMXILBTE-UHFFFAOYSA-N (2,2,6,6-tetramethylpiperidin-4-yl) octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OC1CC(C)(C)NC(C)(C)C1 JMUOXOJMXILBTE-UHFFFAOYSA-N 0.000 description 1
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- XITRBUPOXXBIJN-UHFFFAOYSA-N bis(2,2,6,6-tetramethylpiperidin-4-yl) decanedioate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)CCCCCCCCC(=O)OC1CC(C)(C)NC(C)(C)C1 XITRBUPOXXBIJN-UHFFFAOYSA-N 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- FQYZZRJLMDOGCI-UHFFFAOYSA-N bis(2-tert-butyl-4,6-dimethylphenyl) ethyl phosphite Chemical compound CC=1C=C(C)C=C(C(C)(C)C)C=1OP(OCC)OC1=C(C)C=C(C)C=C1C(C)(C)C FQYZZRJLMDOGCI-UHFFFAOYSA-N 0.000 description 1
- ZFMQKOWCDKKBIF-UHFFFAOYSA-N bis(3,5-difluorophenyl)phosphane Chemical compound FC1=CC(F)=CC(PC=2C=C(F)C=C(F)C=2)=C1 ZFMQKOWCDKKBIF-UHFFFAOYSA-N 0.000 description 1
- SXXILWLQSQDLDL-UHFFFAOYSA-N bis(8-methylnonyl) phenyl phosphite Chemical compound CC(C)CCCCCCCOP(OCCCCCCCC(C)C)OC1=CC=CC=C1 SXXILWLQSQDLDL-UHFFFAOYSA-N 0.000 description 1
- 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 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 125000005708 carbonyloxy group Chemical group [*:2]OC([*:1])=O 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 229920006217 cellulose acetate butyrate Polymers 0.000 description 1
- 229920001727 cellulose butyrate Polymers 0.000 description 1
- 229920006218 cellulose propionate Polymers 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
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- 230000007423 decrease Effects 0.000 description 1
- GLOQRSIADGSLRX-UHFFFAOYSA-N decyl diphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OCCCCCCCCCC)OC1=CC=CC=C1 GLOQRSIADGSLRX-UHFFFAOYSA-N 0.000 description 1
- PUFGCEQWYLJYNJ-UHFFFAOYSA-N didodecyl benzene-1,2-dicarboxylate Chemical compound CCCCCCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCCCCCC PUFGCEQWYLJYNJ-UHFFFAOYSA-N 0.000 description 1
- HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical compound CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- OEIWPNWSDYFMIL-UHFFFAOYSA-N dioctyl benzene-1,4-dicarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC)C=C1 OEIWPNWSDYFMIL-UHFFFAOYSA-N 0.000 description 1
- 150000004862 dioxolanes Chemical class 0.000 description 1
- MCPKSFINULVDNX-UHFFFAOYSA-N drometrizole Chemical compound CC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 MCPKSFINULVDNX-UHFFFAOYSA-N 0.000 description 1
- IAJNXBNRYMEYAZ-UHFFFAOYSA-N ethyl 2-cyano-3,3-diphenylprop-2-enoate Chemical compound C=1C=CC=CC=1C(=C(C#N)C(=O)OCC)C1=CC=CC=C1 IAJNXBNRYMEYAZ-UHFFFAOYSA-N 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
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- 239000007850 fluorescent dye Substances 0.000 description 1
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- 238000007429 general method Methods 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- RAMRROOXFMYSNA-UHFFFAOYSA-N hexadecyl benzoate Chemical class CCCCCCCCCCCCCCCCOC(=O)C1=CC=CC=C1 RAMRROOXFMYSNA-UHFFFAOYSA-N 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
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- 238000000691 measurement method Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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- 239000003607 modifier Substances 0.000 description 1
- 239000006082 mold release agent Substances 0.000 description 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 description 1
- CYCBIVGDSMISKD-UHFFFAOYSA-N o-tridecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanethioate Chemical compound CCCCCCCCCCCCCOC(=S)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 CYCBIVGDSMISKD-UHFFFAOYSA-N 0.000 description 1
- QUAMTGJKVDWJEQ-UHFFFAOYSA-N octabenzone Chemical compound OC1=CC(OCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 QUAMTGJKVDWJEQ-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- KCRLWVVFAVLSAP-UHFFFAOYSA-N octyl dihydrogen phosphite Chemical compound CCCCCCCCOP(O)O KCRLWVVFAVLSAP-UHFFFAOYSA-N 0.000 description 1
- YAFOVCNAQTZDQB-UHFFFAOYSA-N octyl diphenyl phosphate Chemical compound C=1C=CC=CC=1OP(=O)(OCCCCCCCC)OC1=CC=CC=C1 YAFOVCNAQTZDQB-UHFFFAOYSA-N 0.000 description 1
- 150000002896 organic halogen compounds Chemical class 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- DXGLGDHPHMLXJC-UHFFFAOYSA-N oxybenzone Chemical compound OC1=CC(OC)=CC=C1C(=O)C1=CC=CC=C1 DXGLGDHPHMLXJC-UHFFFAOYSA-N 0.000 description 1
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229960000969 phenyl salicylate Drugs 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012756 surface treatment agent Substances 0.000 description 1
- 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
- UFDHBDMSHIXOKF-UHFFFAOYSA-N tetrahydrophthalic acid Natural products OC(=O)C1=C(C(O)=O)CCCC1 UFDHBDMSHIXOKF-UHFFFAOYSA-N 0.000 description 1
- WUPCFMITFBVJMS-UHFFFAOYSA-N tetrakis(1,2,2,6,6-pentamethylpiperidin-4-yl) butane-1,2,3,4-tetracarboxylate Chemical compound C1C(C)(C)N(C)C(C)(C)CC1OC(=O)CC(C(=O)OC1CC(C)(C)N(C)C(C)(C)C1)C(C(=O)OC1CC(C)(C)N(C)C(C)(C)C1)CC(=O)OC1CC(C)(C)N(C)C(C)(C)C1 WUPCFMITFBVJMS-UHFFFAOYSA-N 0.000 description 1
- NZNAAUDJKMURFU-UHFFFAOYSA-N tetrakis(2,2,6,6-tetramethylpiperidin-4-yl) butane-1,2,3,4-tetracarboxylate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)CC(C(=O)OC1CC(C)(C)NC(C)(C)C1)C(C(=O)OC1CC(C)(C)NC(C)(C)C1)CC(=O)OC1CC(C)(C)NC(C)(C)C1 NZNAAUDJKMURFU-UHFFFAOYSA-N 0.000 description 1
- 235000019303 thiodipropionic acid Nutrition 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 1
- XTTGYFREQJCEML-UHFFFAOYSA-N tributyl phosphite Chemical compound CCCCOP(OCCCC)OCCCC XTTGYFREQJCEML-UHFFFAOYSA-N 0.000 description 1
- IVIIAEVMQHEPAY-UHFFFAOYSA-N tridodecyl phosphite Chemical compound CCCCCCCCCCCCOP(OCCCCCCCCCCCC)OCCCCCCCCCCCC IVIIAEVMQHEPAY-UHFFFAOYSA-N 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- KOWVWXQNQNCRRS-UHFFFAOYSA-N tris(2,4-dimethylphenyl) phosphate Chemical compound CC1=CC(C)=CC=C1OP(=O)(OC=1C(=CC(C)=CC=1)C)OC1=CC=C(C)C=C1C KOWVWXQNQNCRRS-UHFFFAOYSA-N 0.000 description 1
- ILLOBGFGKYTZRO-UHFFFAOYSA-N tris(2-ethylhexyl) phosphite Chemical compound CCCCC(CC)COP(OCC(CC)CCCC)OCC(CC)CCCC ILLOBGFGKYTZRO-UHFFFAOYSA-N 0.000 description 1
- WGKLOLBTFWFKOD-UHFFFAOYSA-N tris(2-nonylphenyl) phosphite Chemical compound CCCCCCCCCC1=CC=CC=C1OP(OC=1C(=CC=CC=1)CCCCCCCCC)OC1=CC=CC=C1CCCCCCCCC WGKLOLBTFWFKOD-UHFFFAOYSA-N 0.000 description 1
- LIPMRGQQBZJCTM-UHFFFAOYSA-N tris(2-propan-2-ylphenyl) phosphate Chemical compound CC(C)C1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C(C)C)OC1=CC=CC=C1C(C)C LIPMRGQQBZJCTM-UHFFFAOYSA-N 0.000 description 1
- QQBLOZGVRHAYGT-UHFFFAOYSA-N tris-decyl phosphite Chemical compound CCCCCCCCCCOP(OCCCCCCCCCC)OCCCCCCCCCC QQBLOZGVRHAYGT-UHFFFAOYSA-N 0.000 description 1
- WRSPWQHUHVRNFV-UHFFFAOYSA-N tris[3,5-di(nonyl)phenyl] phosphite Chemical compound CCCCCCCCCC1=CC(CCCCCCCCC)=CC(OP(OC=2C=C(CCCCCCCCC)C=C(CCCCCCCCC)C=2)OC=2C=C(CCCCCCCCC)C=C(CCCCCCCCC)C=2)=C1 WRSPWQHUHVRNFV-UHFFFAOYSA-N 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
Abstract
Description
本発明はセルロース系樹脂組成物及びフィルムに関し、詳しくは、セルロース系樹脂に不飽和ケトン化合物を配合してなる、高い光学特性を有するフィルムを製造する事が可能なセルロース系樹脂組成物、及び、該セルロース系樹脂組成物から得られるフィルムに関する。 The present invention relates to a cellulose resin composition and a film, and more specifically, a cellulose resin composition capable of producing a film having high optical properties, comprising an unsaturated ketone compound in a cellulose resin, and The present invention relates to a film obtained from the cellulose resin composition.
近年、映像や文字を鮮明に表示できる液晶表示装置を備えたノートパソコンやテレビ等の情報機器が次々と市場に供給されている。これらの情報機器に対する消費者の要望として、高機能性付与の他に、住環境の多様化に応じられるような省スペース化等があり、これらのニーズに応える上で、情報機器の薄型化や軽量化、大画面化に伴う高視野角や高コントラストなどが求められている。 In recent years, information devices such as notebook computers and televisions equipped with a liquid crystal display device capable of clearly displaying images and characters have been supplied to the market one after another. Consumer demand for these information devices includes, in addition to imparting high functionality, space saving to meet diversification of the living environment. To meet these needs, information devices can be made thinner and thinner. High viewing angles, high contrast, and the like associated with lighter weight and larger screens are required.
情報機器の薄型化は、情報機器に備えられている液晶表示装置の奥行きを薄くする事に依存する。液晶表示装置は、概略として２枚のガラス基板の間に電極からなる層と液晶物質からなる層とを有する積層構造体から構成される。前記ガラス基板は液晶層とは反対側の面に偏光子が添付されており、この偏光子としては、通常、ポリビニルアルコールからなる偏光子の両面に保護フィルムを貼付したものが使用されている。前記偏光子保護フィルムは、一般的に透明性が高く、適度な強度を有しており、かつポリビニルアルコールとの接着性に優れるものとしてセルロースエステル系樹脂フィルムが使用されている。 Thinning of information equipment depends on reducing the depth of a liquid crystal display device included in the information equipment. The liquid crystal display device is generally composed of a laminated structure having a layer made of an electrode and a layer made of a liquid crystal substance between two glass substrates. The glass substrate has a polarizer attached to the surface opposite to the liquid crystal layer. As the polarizer, one having a protective film attached to both sides of a polarizer made of polyvinyl alcohol is usually used. As the polarizer protective film, a cellulose ester-based resin film is generally used as a film having high transparency, moderate strength, and excellent adhesion to polyvinyl alcohol.
一方、液晶表示装置の高視野角化に寄与するために、セルロースエステル系樹脂フィルムに光学補償能を付与することが求められている。しかし、セルロースエステル系樹脂フィルムはそのままでは光学補償フィルムに必須なレターデーション（複屈折性）が十分ではないため、セルロースエステル系樹脂フィルムにレターデーションを付与するさまざまな検討がなされてきている。近年、液晶テレビのさらなる視野角拡大や薄膜化のために、より大きなレターデーションが求められている。 On the other hand, in order to contribute to an increase in viewing angle of a liquid crystal display device, it is required to impart optical compensation ability to the cellulose ester resin film. However, since the cellulose ester resin film as it is does not have sufficient retardation (birefringence) for the optical compensation film, various studies have been made to impart retardation to the cellulose ester resin film. In recent years, a larger retardation has been demanded for further widening the viewing angle and thinning of liquid crystal televisions.
樹脂フィルムのレターデーションを増加させるため、レターデーション上昇剤を添加する方法が知られているが、これまでのレターデーション上昇剤では多量添加が必要となりブリードアウトなどの問題が発生するため、実用化が困難であった。また、セルロースの総アシル基置換度を低下させる方法なども提案されているが、吸湿性が増加したりするなどの問題があって、やはり実用化は難しかった。 In order to increase the retardation of the resin film, a method of adding a retardation increasing agent is known. However, the conventional retardation increasing agent needs to be added in a large amount and causes problems such as bleed out. It was difficult. Also, a method for reducing the total acyl group substitution degree of cellulose has been proposed, but it has been difficult to put it to practical use due to problems such as an increase in hygroscopicity.
例えば、特許文献１には、特定の芳香族化合物からなるレターデーション向上剤を含有するセルロースエステルフィルムからなる位相差板が提案されているが、相溶性が不十分であるため光学特性向上効果が不十分であった。また、特許文献２には、フェノール性水酸基を有する多環芳香族化合物をレターデーション上昇剤として使用してなるセルロースエステルフィルムが提案されているが、上記と同様に相溶性が不十分であるため光学特性向上効果が不十分である。 For example, Patent Document 1 proposes a retardation plate made of a cellulose ester film containing a retardation improver made of a specific aromatic compound. However, since the compatibility is insufficient, the effect of improving optical properties is improved. It was insufficient. Further, Patent Document 2 proposes a cellulose ester film using a polycyclic aromatic compound having a phenolic hydroxyl group as a retardation increasing agent, but the compatibility is insufficient as described above. The effect of improving optical characteristics is insufficient.
そこで本発明の目的は、光学特性に優れたフィルムを製造する事ができるセルロース系樹脂組成物及び該セルロース系樹脂を含有する光学特性に優れたフィルムを提供することにある。 Therefore, an object of the present invention is to provide a cellulose resin composition capable of producing a film having excellent optical properties and a film having excellent optical properties containing the cellulose resin.
なお、本発明において光学特性に優れたフィルムとは、大きなレターデーションが付与されたフィルムを意味する。このレターデーションは、フィルムの厚み方向のレターデーション値（Ｒｔｈ）によって把握することが可能である。
Ｒｔｈは下記式で定義される値である。
Ｒｔｈ＝｛（ｎｘ＋ｎｙ）／２−ｎｚ｝×ｄ
［式中、ｎｘはフィルム面内の屈折率が最も大きい方向の屈折率、ｎｙは前記屈折率が最も大きい方向に直角な方向のフィルム面内の屈折率、ｎｚはフィルムの厚み方向の屈折率、ｄはフィルムの厚み（ｎｍ）を表す。］
上記レターデーション値Ｒｔｈは、例えば、ＫＯＢＲＡ−ＷＲ（王子計測機器（株）製）やＲＥＴＳ−１００（大塚電子（株）製）などの自動複屈折率計を用いて測定することができる。
In the present invention, a film having excellent optical properties means a film having a large retardation. This retardation can be grasped by the retardation value (Rth) in the thickness direction of the film.
Rth is a value defined by the following formula.
Rth = {(nx + ny) / 2−nz} × d
[Where nx is the refractive index in the direction with the largest refractive index in the film plane, ny is the refractive index in the film plane in the direction perpendicular to the direction with the largest refractive index, and nz is the refractive index in the thickness direction of the film. , D represents the thickness (nm) of the film. ]
The retardation value Rth can be measured using an automatic birefringence meter such as KOBRA-WR (manufactured by Oji Scientific Instruments) or RETS-100 (manufactured by Otsuka Electronics Co., Ltd.).
本発明者等は、上記課題を解決すべく鋭意検討を重ねた結果、特定の不飽和ケトン化合物を含有するセルロース系樹脂組成物とすることで上記の目的を達成しうることを見出し、本発明を完成するに至った。 As a result of intensive studies to solve the above problems, the present inventors have found that the above object can be achieved by using a cellulose resin composition containing a specific unsaturated ketone compound. It came to complete.
即ち、本発明のセルロース系樹脂組成物は、セルロース系樹脂１００質量部に対し、下記一般式（Ｉ）、（ＩＩ）又は（ＩＩＩ）で表される不飽和ケトン化合物の１種以上を０．１〜２０質量部配合してなることを特徴とするものである。
本発明のセルロース系樹脂組成物は、前記不飽和ケトン化合物が、下記一般式（Ｉ−１）、（ＩＩ−１）又は（ＩＩＩ−１）で表される不飽和ケトン化合物の１種以上であることが好ましい。
また、本発明のセルロース系樹脂組成物は、前記セルロース系樹脂が、セルロースアシレートであることが好ましい。 In the cellulose resin composition of the present invention, the cellulose resin is preferably cellulose acylate.
本発明のフィルムは、上記いずれかのセルロース系樹脂組成物から得られることを特徴とするものである。 The film of the present invention is obtained from any of the above cellulose-based resin compositions.
本発明のフィルムは、光学補償用途として好適である。 The film of the present invention is suitable for optical compensation.
本発明により光学特性に優れたセルロース系樹脂組成物を提供することができる。また、本発明のフィルムは、光学補償フィルム、とりわけＶＡ液晶用の位相差フィルムなどに好適に使用することができる。 According to the present invention, a cellulose resin composition having excellent optical properties can be provided. Further, the film of the present invention can be suitably used for an optical compensation film, particularly a retardation film for VA liquid crystal.
本発明のセルロース系樹脂組成物は、上記一般式（Ｉ）、（ＩＩ）又は（ＩＩＩ）で表される不飽和ケトン化合物を、セルロース系樹脂組成物１００質量部に対して０．１〜２０質量部含有することを特徴とするものである。以下、本発明のセルロース系樹脂組成物について詳細に説明する。 In the cellulose resin composition of the present invention, the unsaturated ketone compound represented by the above general formula (I), (II) or (III) is used in an amount of 0.1 to 20 with respect to 100 parts by mass of the cellulose resin composition. It is characterized by containing a mass part. Hereinafter, the cellulose resin composition of the present invention will be described in detail.
本発明に用いられるセルロース系樹脂は、セルロース系樹脂であればいずれであってもよいが、セルロースの脂肪酸エステル（セルロースアシレート）であることが好ましく、セルロースの低級脂肪酸エステルであることがより好ましい。セルロースの低級脂肪酸エステルにおける低級脂肪酸とは、炭素原子数が６以下の脂肪酸を意味する。セルロースの低級脂肪酸エステルとしては、例えば、セルローストリアセテートなどのセルロースアセテート、セルロースプロピオネート、セルロースブチレートや、特開平１０−４５８０４号公報、特開平８−２３１７６１号公報、米国特許第２，３１９，０５２号明細書等に記載されているようなセルロースアセテートプロピオネート、セルロースアセテートブチレート等の混合脂肪酸エステルを挙げることができる。 The cellulose resin used in the present invention may be any cellulose resin, but is preferably a fatty acid ester of cellulose (cellulose acylate), more preferably a lower fatty acid ester of cellulose. . The lower fatty acid in the lower fatty acid ester of cellulose means a fatty acid having 6 or less carbon atoms. Examples of the lower fatty acid ester of cellulose include, for example, cellulose acetate such as cellulose triacetate, cellulose propionate, cellulose butyrate, JP-A-10-45804, JP-A-8-231761, and US Pat. No. 2,319. Examples thereof include mixed fatty acid esters such as cellulose acetate propionate and cellulose acetate butyrate as described in No. 052 and the like.
上記一般式（Ｉ）中、Ｒ１及びＲ２がとりうる炭素原子数１〜２０のアルキル基としては、メチル、エチル、プロピル、イソプロピル、ブチル、イソブチル、第二ブチル、第三ブチル、アミル、イソアミル、ヘキシル、イソヘキシル、ヘプチル、オクチル、イソオクチル、第三オクチル、２−エチルヘキシル、ノニル、イソノニル、デシル、ウンデシル、ドデシル、トリデシル、テトラデシル、ペンタデシル、ヘキサデシル、ヘプタデシル、オクタデシル、ノナデシル、イコシルなどがあげられる。 In the general formula (I), the alkyl group having 1 to 20 carbon atoms that R 1 and R 2 can take is methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, amyl, Examples include isoamyl, hexyl, isohexyl, heptyl, octyl, isooctyl, tertiary octyl, 2-ethylhexyl, nonyl, isononyl, decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, icosyl and the like.
Ｒ１及びＲ２がとりうる置換基を有してもよいアリール基の中で、前記置換基としては、例えば、メチル、エチル、プロピル、イソプロピル、ブチル、イソブチル、第二ブチル、第三ブチル、アミル、イソアミル、ヘキシル、イソヘキシル、ヘプチル、オクチル、イソオクチル、第三オクチル、２−エチルヘキシル、ノニル、イソノニル、デシル等の炭素原子数１〜１０のアルキル基；メトキシ、エトキシ、プロポキシ、イソプロポキシ、ブトキシ、イソブトキシ等の炭素原子数１〜１０のアルコキシ基；メタノイルオキシ、エタノイルオキシ、プロパノイルオキシ等の炭素原子数１〜１０のアルカノイルオキシ基；メトキシカルボニル、エトキシカルボニル、プロポキシカルボニル等の炭素原子数１〜１０のアルコキシカルボニル基；メトキシメチレンオキシ、エトキシメチレンオキシ、メトキシエチレンオキシ等の炭素原子数２〜２０のアルコキシアルキレンオキシ基；メトキシカルボニルメチレンオキシ、エトキシカルボニルメチレンオキシ、メトキシカルボニルエチレンオキシ等の炭素原子数３〜２１のアルコキシカルボニルアルキレンオキシ基；クロロ、ブロモ等のハロゲン原子；ヒドロキシ基などが挙げられる。 Among the aryl groups that R 1 and R 2 may have a substituent, examples of the substituent include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, C 1-10 alkyl groups such as amyl, isoamyl, hexyl, isohexyl, heptyl, octyl, isooctyl, tertiary octyl, 2-ethylhexyl, nonyl, isononyl, decyl; methoxy, ethoxy, propoxy, isopropoxy, butoxy, An alkoxy group having 1 to 10 carbon atoms such as isobutoxy; an alkanoyloxy group having 1 to 10 carbon atoms such as methanoyloxy, ethanoyloxy and propanoyloxy; carbon atoms such as methoxycarbonyl, ethoxycarbonyl and propoxycarbonyl 1 to 10 alkoxycarbonyl groups; An alkoxyalkyleneoxy group having 2 to 20 carbon atoms such as xymethyleneoxy, ethoxymethyleneoxy and methoxyethyleneoxy; an alkoxycarbonyl having 3 to 21 carbon atoms such as methoxycarbonylmethyleneoxy, ethoxycarbonylmethyleneoxy and methoxycarbonylethyleneoxy An alkyleneoxy group; a halogen atom such as chloro and bromo; and a hydroxy group.
Ｒ１及びＲ２がとりうる置換基を有しもよいアリール基の中で、アリール基としては、例えば、フェニル、ナフチル、フェナントレニル、アントラセラニル、ナフタセニル、ピレニルなどがあげられる。 Among the aryl groups that may have a substituent which R 1 and R 2 may have, examples of the aryl group include phenyl, naphthyl, phenanthrenyl, anthraceranyl, naphthacenyl, pyrenyl and the like.
一般式（ＩＩ）中、Ｒ３及びＲ４がとりうる炭素原子数１〜２０のアルキル基としては、メチル、エチル、プロピル、イソプロピル、ブチル、イソブチル、第二ブチル、第三ブチル、アミル、イソアミル、ヘキシル、イソヘキシル、ヘプチル、オクチル、イソオクチル、第三オクチル、２−エチルヘキシル、ノニル、イソノニル、デシル、ウンデシル、ドデシル、トリデシル、テトラデシル、ペンタデシル、ヘキサデシル、ヘプタデシル、オクタデシル、ノナデシル、イコシルなどがあげられる。 In general formula (II), R 3 and R 4 may be an alkyl group having 1 to 20 carbon atoms such as methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, amyl, isoamyl Hexyl, isohexyl, heptyl, octyl, isooctyl, tertiary octyl, 2-ethylhexyl, nonyl, isononyl, decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, icosyl and the like.
Ｒ３及びＲ４がとりうる置換基を有してもよいアリール基の中で、前記置換基としては、例えば、メチル、エチル、プロピル、イソプロピル、ブチル、イソブチル、第二ブチル、第三ブチル、アミル、イソアミル、ヘキシル、イソヘキシル、ヘプチル、オクチル、イソオクチル、第三オクチル、２−エチルヘキシル、ノニル、イソノニル、デシル等の炭素原子数１〜１０のアルキル基；メトキシ、エトキシ、プロポキシ、イソプロポキシ、ブトキシ、イソブトキシ等の炭素原子数１〜１０のアルコキシ基；メタノイルオキシ、エタノイルオキシ、プロパノイルオキシ等の炭素原子数１〜１０のアルカノイルオキシ基；メトキシカルボニル、エトキシカルボニル、プロポキシカルボニル等の炭素原子数１〜１０のアルコキシカルボニル基；メトキシメチレンオキシ、エトキシメチレンオキシ、メトキシエチレンオキシ等の炭素原子数２〜２０のアルコキシアルキレンオキシ基；メトキシカルボニルメチレンオキシ、エトキシカルボニルメチレンオキシ、メトキシカルボニルエチレンオキシ等の炭素原子数３〜２１のアルコキシカルボニルアルキレンオキシ基；クロロ、ブロモ等のハロゲン原子；ヒドロキシ基などが挙げられる。Ｒ３及びＲ４で表される置換基を有して良いアリール基の中で、アリール基としては、例えば、フェニル、ナフチル、フェナントレニル、アントラセラニル、ナフタセニル、ピレニルなどがあげられる。 Among the aryl groups that may have a substituent that R 3 and R 4 may have, examples of the substituent include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, C 1-10 alkyl groups such as amyl, isoamyl, hexyl, isohexyl, heptyl, octyl, isooctyl, tertiary octyl, 2-ethylhexyl, nonyl, isononyl, decyl; methoxy, ethoxy, propoxy, isopropoxy, butoxy, An alkoxy group having 1 to 10 carbon atoms such as isobutoxy; an alkanoyloxy group having 1 to 10 carbon atoms such as methanoyloxy, ethanoyloxy and propanoyloxy; carbon atoms such as methoxycarbonyl, ethoxycarbonyl and propoxycarbonyl 1 to 10 alkoxycarbonyl groups; An alkoxyalkyleneoxy group having 2 to 20 carbon atoms such as xymethyleneoxy, ethoxymethyleneoxy and methoxyethyleneoxy; an alkoxycarbonyl having 3 to 21 carbon atoms such as methoxycarbonylmethyleneoxy, ethoxycarbonylmethyleneoxy and methoxycarbonylethyleneoxy An alkyleneoxy group; a halogen atom such as chloro and bromo; and a hydroxy group. Among the aryl groups which may have a substituent represented by R 3 and R 4 , examples of the aryl group include phenyl, naphthyl, phenanthrenyl, anthraceranyl, naphthacenyl, pyrenyl and the like.
一般式（ＩＩＩ）中、Ｒ５及びＲ６がとりうる炭素原子数１〜２０のアルキル基としては、メチル、エチル、プロピル、イソプロピル、ブチル、イソブチル、第二ブチル、第三ブチル、アミル、イソアミル、ヘキシル、イソヘキシル、ヘプチル、オクチル、イソオクチル、第三オクチル、２−エチルヘキシル、ノニル、イソノニル、デシル、ウンデシル、ドデシル、トリデシル、テトラデシル、ペンタデシル、ヘキサデシル、ヘプタデシル、オクタデシル、ノナデシル、イコシルなどがあげられる。 In the general formula (III), R 5 and R 6 may be an alkyl group having 1 to 20 carbon atoms such as methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, amyl, isoamyl Hexyl, isohexyl, heptyl, octyl, isooctyl, tertiary octyl, 2-ethylhexyl, nonyl, isononyl, decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, nonadecyl, icosyl and the like.
Ｒ５及びＲ６がとりうる置換基を有してもよいアリール基の中で、前記置換基としては、例えば、メチル、エチル、プロピル、イソプロピル、ブチル、イソブチル、第二ブチル、第三ブチル、アミル、イソアミル、ヘキシル、イソヘキシル、ヘプチル、オクチル、イソオクチル、第三オクチル、２−エチルヘキシル、ノニル、イソノニル、デシル等の炭素原子数１〜１０のアルキル基；メトキシ、エトキシ、プロポキシ、イソプロポキシ、ブトキシ、イソブトキシ等の炭素原子数１〜１０のアルコキシ基；メタノイルオキシ、エタノイルオキシ、プロパノイルオキシ等の炭素原子数１〜１０のアルカノイルオキシ基；メトキシカルボニル、エトキシカルボニル、プロポキシカルボニル等の炭素原子数１〜１０のアルコキシカルボニル基；メトキシメチレンオキシ、エトキシメチレンオキシ、メトキシエチレンオキシ等の炭素原子数２〜２０のアルコキシアルキレンオキシ基；メトキシカルボニルメチレンオキシ、エトキシカルボニルメチレンオキシ、メトキシカルボニルエチレンオキシ等の炭素原子数３〜２１のアルコキシカルボニルアルキレンオキシ基；クロロ、ブロモ等のハロゲン原子；ヒドロキシ基などが挙げられる。 Among the aryl groups that R 5 and R 6 may have a substituent, examples of the substituent include methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, C 1-10 alkyl groups such as amyl, isoamyl, hexyl, isohexyl, heptyl, octyl, isooctyl, tertiary octyl, 2-ethylhexyl, nonyl, isononyl, decyl; methoxy, ethoxy, propoxy, isopropoxy, butoxy, An alkoxy group having 1 to 10 carbon atoms such as isobutoxy; an alkanoyloxy group having 1 to 10 carbon atoms such as methanoyloxy, ethanoyloxy and propanoyloxy; carbon atoms such as methoxycarbonyl, ethoxycarbonyl and propoxycarbonyl 1 to 10 alkoxycarbonyl groups; An alkoxyalkyleneoxy group having 2 to 20 carbon atoms such as xymethyleneoxy, ethoxymethyleneoxy and methoxyethyleneoxy; an alkoxycarbonyl having 3 to 21 carbon atoms such as methoxycarbonylmethyleneoxy, ethoxycarbonylmethyleneoxy and methoxycarbonylethyleneoxy An alkyleneoxy group; a halogen atom such as chloro and bromo; and a hydroxy group.
Ｒ５及びＲ６で表される置換基を有してもよいアリール基の中で、アリール基としては、例えば、フェニル、ナフチル、フェナントレニル、アントラセラニル、ナフタセニル、ピレニルなどがあげられる。 Among the aryl groups that may have a substituent represented by R 5 and R 6 , examples of the aryl group include phenyl, naphthyl, phenanthrenyl, anthraceranyl, naphthacenyl, pyrenyl and the like.
上記一般式（Ｉ）、（ＩＩ）又は（ＩＩＩ）で表される不飽和ケトン化合物の中でも下記一般式（Ｉ−１）、（ＩＩ−１）又は（ＩＩＩ−１）で表される化合物が、優れた光学特性向上効果を示すため好ましい。 Among the unsaturated ketone compounds represented by the general formula (I), (II) or (III), compounds represented by the following general formula (I-1), (II-1) or (III-1) In view of the excellent effect of improving optical characteristics, it is preferable.
一般式（Ｉ−１）、（ＩＩ−１）および（ＩＩＩ−１）中のそれぞれの置換基は、上記したものと同様のものがあげられる。 Examples of the substituents in the general formulas (I-1), (II-1) and (III-1) are the same as those described above.
以下に本発明に使用される不飽和ケトン化合物を例示するが、本発明はこれによって限定されるものではない。 Although the unsaturated ketone compound used for this invention is illustrated below, this invention is not limited by this.
本発明のセルロース系樹脂組成物には、可塑剤を任意に使用することができる。可塑剤としては、例えば、ジブチルフタレート、ブチルヘキシルフタレート、ジヘプチルフタレート、ジオクチルフタレート、ジイソノニルフタレート、ジイソデシルフタレート、ジラウリルフタレート、ジシクロヘキシルフタレート、ジオクチルテレフタレートなどのフタレート系可塑剤；ジオクチルアジペート、ジイソノニルアジペート、ジイソデシルアジペート、ジ（ブチルジグリコール）アジペートなどのアジペート系可塑剤；トリフェニルホスフェート、トリクレジルホスフェート、トリキシレニルホスフェート、トリ（イソプロピルフェニル）ホスフェート、トリエチルホスフェート、トリブチルホスフェート、トリオクチルホスフェート、トリ（ブトキシエチル）ホスフェート、オクチルジフェニルホスフェートなどのホスフェート系可塑剤；多価アルコールとして、エチレングリコール、ジエチレングリコール、トリエチレングリコール、１，２−プロピレングリコール、１，３−プロピレングリコール、１，３−ブタンジオール、１，４−ブタンジオール、１，５−ヘキサンジオール、１，６−ヘキサンジオール、ネオペンチルグリコールなどと、二塩基酸として、シュウ酸、マロン酸、コハク酸、グルタル酸、アジピン酸、ピメリン酸、スベリン酸、アゼライン酸、セバチン酸、フタル酸、イソフタル酸、テレフタル酸などとを用い、必要により一価アルコール、モノカルボン酸をストッパーに使用したポリエステル系可塑剤；多価アルコールとして、エチレングリコール、ジエチレングリコール、トリエチレングリコール、１，２−プロピレングリコール、１，３−プロピレングリコール、１，３−ブタンジオール、１，４−ブタンジオール、１，５−ヘキサンジオール、１，６−ヘキサンジオール、ネオペンチルグリコール、グリセリン、トリメチロールプロパン、ペンタエリスリトールなどと、一塩基酸として、酢酸、安息香酸、ｐ−第三ブチル安息香酸などを、用いて得られる多価アルコールエステル系可塑剤；その他、テトラヒドロフタル酸系可塑剤、アゼライン酸系可塑剤、セバチン酸系可塑剤、ステアリン酸系可塑剤、クエン酸系可塑剤、トリメリット酸系可塑剤、ピロメリット酸系可塑剤、ビフェニレンポリカルボン酸系可塑剤などが挙げられる。 A plasticizer can be arbitrarily used in the cellulose resin composition of the present invention. Examples of the plasticizer include dibutyl phthalate, butyl hexyl phthalate, diheptyl phthalate, dioctyl phthalate, diisononyl phthalate, diisodecyl phthalate, dilauryl phthalate, dicyclohexyl phthalate, dioctyl terephthalate and the like; dioctyl adipate, diisononyl adipate, diisodecyl Adipate plasticizers such as adipate and di (butyldiglycol) adipate; triphenyl phosphate, tricresyl phosphate, trixylenyl phosphate, tri (isopropylphenyl) phosphate, triethyl phosphate, tributyl phosphate, trioctyl phosphate, tri (butoxy) Ethyl) phosphate, octyl diphenyl phosphate, etc. Plasticizers; polyhydric alcohols such as ethylene glycol, diethylene glycol, triethylene glycol, 1,2-propylene glycol, 1,3-propylene glycol, 1,3-butanediol, 1,4-butanediol, 1, 5-hexanediol, 1,6-hexanediol, neopentyl glycol and the like, and dibasic acids such as oxalic acid, malonic acid, succinic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, sebacic acid, Polyester plasticizers that use phthalic acid, isophthalic acid, terephthalic acid, etc., and if necessary, monohydric alcohol or monocarboxylic acid as a stopper; polyhydric alcohols such as ethylene glycol, diethylene glycol, triethylene glycol, 1,2- Propylene glycol, , 3-propylene glycol, 1,3-butanediol, 1,4-butanediol, 1,5-hexanediol, 1,6-hexanediol, neopentyl glycol, glycerin, trimethylolpropane, pentaerythritol, etc. Polyhydric alcohol ester plasticizer obtained by using acetic acid, benzoic acid, p-tert-butylbenzoic acid, etc. as basic acid; other tetrahydrophthalic acid plasticizer, azelaic acid plasticizer, sebacic acid plasticizer Agents, stearic acid plasticizers, citric acid plasticizers, trimellitic acid plasticizers, pyromellitic acid plasticizers, biphenylene polycarboxylic acid plasticizers, and the like.
また、本発明のセルロースエステル系樹脂組成物には、さらに各種の添加剤、例えば、リン系、フェノール系または硫黄系抗酸化剤、紫外線吸収剤、ヒンダードアミン系光安定剤などを配合することもできる。 The cellulose ester resin composition of the present invention may further contain various additives such as phosphorus, phenol or sulfur antioxidants, ultraviolet absorbers, hindered amine light stabilizers and the like. .
上記リン系抗酸化剤としては、例えば、トリフェニルホスファイト、トリス（２，４−ジ第三ブチルフェニル）ホスファイト、トリス（ノニルフェニル）ホスファイト、トリス（ジノニルフェニル）ホスファイト、トリス（モノ、ジ混合ノニルフェニル）ホスファイト、ビス（２−第三ブチル−４，６−ジメチルフェニル）・エチルホスファイト、ジフェニルアシッドホスファイト、２，２’−メチレンビス（４，６−ジ第三ブチルフェニル）オクチルホスファイト、ジフェニルデシルホスファイト、フェニルジイソデシルホスファイト、トリブチルホスファイト、トリス（２−エチルヘキシル）ホスファイト、トリデシルホスファイト、トリラウリルホスファイト、ジブチルアシッドホスファイト、ジラウリルアシッドホスファイト、トリラウリルトリチオホスファイト、ビス（ネオペンチルグリコール）・１，４−シクロヘキサンジメチルジホスファイト、ビス（２，４−ジ第三ブチルフェニル）ペンタエリスリトールジホスファイト、ビス（２，６−ジ第三ブチル−４−メチルフェニル）ペンタエリスリトールジホスファイト、ジステアリルペンタエリスリトールジホスファイト、フェニル−４，４’−イソプロピリデンジフェノール・ペンタエリスリトールジホスファイト、テトラ（Ｃ１２−１５混合アルキル）−４，４’−イソプロピリデンジフェニルホスファイト、ビス［２，２’−メチレンビス（４，６−ジアミルフェニル）］・イソプロピリデンジフェニルホスファイト、水素化−４，４’−イソプロピリデンジフェノールポリホスファイト、ビス（オクチルフェニル）・ビス［４，４’−ｎ―ブチリデンビス（２−第三ブチル−５−メチルフェノール）］・１，６−ヘキサンジオール・ジホスファイト、テトラトリデシル・４，４’−ブチリデンビス（２−第三ブチル−５−メチルフェノール）ジホスファイト、ヘキサ（トリデシル）・１，１，３−トリス（２−メチル−５−第三ブチル−４−ヒドロキシフェニル）ブタン・トリホスホナイト、９，１０−ジハイドロ−９−オキサ−１０−ホスファフェナンスレン−１０−オキサイド、２−ブチル−２−エチルプロパンジオール・２，４，６−トリ第三ブチルフェノールモノホスファイトなどがあげられる。 Examples of the phosphorus antioxidant include triphenyl phosphite, tris (2,4-ditert-butylphenyl) phosphite, tris (nonylphenyl) phosphite, tris (dinonylphenyl) phosphite, tris ( Mono-, di-mixed nonylphenyl) phosphite, bis (2-tert-butyl-4,6-dimethylphenyl) -ethyl phosphite, diphenyl acid phosphite, 2,2'-methylene bis (4,6-di-tert-butyl) Phenyl) octyl phosphite, diphenyl decyl phosphite, phenyl diisodecyl phosphite, tributyl phosphite, tris (2-ethylhexyl) phosphite, tridecyl phosphite, trilauryl phosphite, dibutyl acid phosphite, dilauryl acid phosphite, bird Uril trithiophosphite, bis (neopentyl glycol) 1,4-cyclohexanedimethyl diphosphite, bis (2,4-ditert-butylphenyl) pentaerythritol diphosphite, bis (2,6-ditert-butyl) -4-methylphenyl) pentaerythritol diphosphite, distearyl pentaerythritol diphosphite, phenyl-4,4'-isopropylidenediphenol pentaerythritol diphosphite, tetra (C12-15 mixed alkyl) -4,4 '-Isopropylidene diphenyl phosphite, bis [2,2'-methylenebis (4,6-diamilphenyl)]-isopropylidene diphenyl phosphite, hydrogenated-4,4'-isopropylidenediphenol polyphosphite, bis (Octylfe ) Bis [4,4'-n-butylidenebis (2-tert-butyl-5-methylphenol)] 1,6-hexanediol diphosphite, tetratridecyl4,4'-butylidenebis Tributyl-5-methylphenol) diphosphite, hexa (tridecyl) 1,1,3-tris (2-methyl-5-tert-butyl-4-hydroxyphenyl) butane-triphosphonite, 9,10-dihydro- Examples thereof include 9-oxa-10-phosphaphenanthrene-10-oxide, 2-butyl-2-ethylpropanediol, 2,4,6-tritert-butylphenol monophosphite, and the like.
上記フェノール系抗酸化剤としては、例えば、２，６−ジ第三ブチル−ｐ−クレゾール、２，６−ジフェニル−４−オクタデシロキシフェノール、ステアリル（３，５−ジ第三ブチル−４−ヒドロキシフェニル）プロピオネート、ジステアリル（３，５−ジ第三ブチル−４−ヒドロキシベンジル）ホスホネート、トリデシル・３，５−ジ第三ブチル−４−ヒドロキシベンジルチオアセテート、チオジエチレンビス［（３，５−ジ第三ブチル−４−ヒドロキシフェニル）プロピオネート］、４，４’−チオビス（６−第三ブチル−ｍ−クレゾール）、２−オクチルチオ−４，６−ジ（３，５−ジ第三ブチル−４−ヒドロキシフェノキシ）−ｓ−トリアジン、２，２’−メチレンビス（４−メチル−６−第三ブチルフェノール）、ビス［３，３−ビス（４−ヒドロキシ−３−第三ブチルフェニル）ブチリックアシッド］グリコールエステル、４，４’−ブチリデンビス（４，６−ジ第三ブチルフェノール）、２，２’−エチリデンビス（４，６−ジ第三ブチルフェノール）、１，１，３−トリス（２−メチル−４−ヒドロキシ−５−第三ブチルフェニル）ブタン、ビス［２−第三ブチル−４−メチル−６−（２−ヒドロキシ−３−第三ブチル−５−メチルベンジル）フェニル］テレフタレート、１，３，５−トリス（２，６−ジメチル−３−ヒドロキシ−４−第三ブチルベンジル）イソシアヌレート、１，３，５−トリス（３，５−ジ第三ブチル−４−ヒドロキシベンジル）イソシアヌレート、１，３，５−トリス（３，５−ジ第三ブチル−４−ヒドロキシベンジル）−２，４，６−トリメチルベンゼン、１，３，５−トリス［（３，５−ジ第三ブチル−４−ヒドロキシフェニル）プロピオニルオキシエチル］イソシアヌレート、テトラキス［メチレン−３−（３，５−ジ第三ブチル−４−ヒドロキシフェニル）プロピオネート］メタン、２−第三ブチル−４−メチル−６−（２−アクリロイルオキシ−３−第三ブチル−５−メチルベンジル）フェノール、３，９−ビス［２−（３−第三ブチル−４−ヒドロキシ−５−メチルヒドロシンナモイルオキシ）−１，１−ジメチルエチル］−２，４，８，１０−テトラオキサスピロ［５．５］ウンデカン］、トリエチレングリコールビス［β−（３−第三ブチル−４−ヒドロキシ−５−メチルフェニル）プロピオネート］などがあげられる。 Examples of the phenol-based antioxidant include 2,6-ditert-butyl-p-cresol, 2,6-diphenyl-4-octadecyloxyphenol, stearyl (3,5-ditert-butyl-4- Hydroxyphenyl) propionate, distearyl (3,5-ditert-butyl-4-hydroxybenzyl) phosphonate, tridecyl 3,5-ditert-butyl-4-hydroxybenzylthioacetate, thiodiethylenebis [(3,5 -Di-tert-butyl-4-hydroxyphenyl) propionate], 4,4'-thiobis (6-tert-butyl-m-cresol), 2-octylthio-4,6-di (3,5-di-tert-butyl) -4-hydroxyphenoxy) -s-triazine, 2,2'-methylenebis (4-methyl-6-tert-butylphenol), bis [3,3- (4-hydroxy-3-tert-butylphenyl) butyric acid] glycol ester, 4,4′-butylidenebis (4,6-ditert-butylphenol), 2,2′-ethylidenebis (4,6-di) Tert-butylphenol), 1,1,3-tris (2-methyl-4-hydroxy-5-tert-butylphenyl) butane, bis [2-tert-butyl-4-methyl-6- (2-hydroxy-3) -Tert-butyl-5-methylbenzyl) phenyl] terephthalate, 1,3,5-tris (2,6-dimethyl-3-hydroxy-4-tert-butylbenzyl) isocyanurate, 1,3,5-tris ( 3,5-ditert-butyl-4-hydroxybenzyl) isocyanurate, 1,3,5-tris (3,5-ditert-butyl-4-hydroxybenzyl) -2,4,6-to Methylbenzene, 1,3,5-tris [(3,5-ditert-butyl-4-hydroxyphenyl) propionyloxyethyl] isocyanurate, tetrakis [methylene-3- (3,5-ditert-butyl-4) -Hydroxyphenyl) propionate] methane, 2-tert-butyl-4-methyl-6- (2-acryloyloxy-3-tert-butyl-5-methylbenzyl) phenol, 3,9-bis [2- (3- Tert-butyl-4-hydroxy-5-methylhydrocinnamoyloxy) -1,1-dimethylethyl] -2,4,8,10-tetraoxaspiro [5.5] undecane], triethylene glycol bis [β -(3-tert-butyl-4-hydroxy-5-methylphenyl) propionate] and the like.
上記硫黄系抗酸化剤としては、例えば、チオジプロピオン酸のジラウリル、ジミリスチル、ミリスチルステアリル、ジステアリルエステルなどのジアルキルチオジプロピオネート類およびペンタエリスリトールテトラ（β−ドデシルメルカプトプロピオネート）などのポリオールのβ−アルキルメルカプトプロピオン酸エステル類などがあげられる。 Examples of the sulfur-based antioxidant include dialkylthiodipropionates such as dilauryl, dimyristyl, myristylstearyl and distearyl esters of thiodipropionic acid and polyols such as pentaerythritol tetra (β-dodecyl mercaptopropionate). And β-alkyl mercaptopropionic acid esters.
上記紫外線吸収剤としては、例えば、２，４−ジヒドロキシベンゾフェノン、２−ヒドロキシ−４−メトキシベンゾフェノン、２−ヒドロキシ−４−オクトキシベンゾフェノン、２−ヒドロキシ−４−第三ブチル−４’−（２−メタクロイルオキシエトキシエトキシ）ベンゾフェノン、５，５’−メチレンビス（２−ヒドロキシ−４−メトキシベンゾフェノン）などの２−ヒドロキシベンゾフェノン類；２−（２−ヒドロキシ−５−メチルフェニル）ベンゾトリアゾール、２−（２−ヒドロキシ−５−第三オクチルフェニル）ベンゾトリアゾール、２−（２−ヒドロキシ−３，５−ジ第三ブチルフェニル）−５−クロロベンゾトリアゾール、２−（２−ヒドロキシ−３−第三ブチル−５−メチルフェニル）−５−クロロベンゾトリアゾール、２−（２−ヒドロキシ−３−ドデシル−５−メチルフェニル）ベンゾトリアゾール、２−（２−ヒドロキシ−３−第三ブチル−５−Ｃ７〜９混合アルコキシカルボニルエチルフェニル）トリアゾール、２−（２−ヒドロキシ−３、５−ジクミルフェニル）ベンゾトリアゾール、２，２’−メチレンビス（４−第三オクチル−６−ベンゾトリアゾリルフェノール）、２−（２−ヒドロキシ−３−第三ブチル−５−カルボキシフェニル）ベンゾトリアゾールのポリエチレングリコールエステルなどの２−（２−ヒドロキシフェニル）ベンゾトリアゾール類；２−（２−ヒドロキシ−４−ヘキシロキシフェニル）−４，６−ジフェニル−１，３，５−トリアジン、２−（２−ヒドロキシ−４−メトキシフェニル）−４，６−ジフェニル−１，３，５−トリアジン、２−（２−ヒドロキシ−４−オクトキシフェニル）−４，６−ビス（２，４−ジメチルフェニル）−１，３，５−トリアジン、２−（２−ヒドロキシ−４−アクリロイルオキシエトキシフェニル）−４，６−ビス（２，４−ジメチルフェニル）−１，３，５−トリアジンなどの２−（２−ヒドロキシフェニル）−１，３，５−トリアジン類；フェニルサリシレート、レゾルシノールモノベンゾエート、２，４−ジ第三ブチルフェニル−３，５−ジ第三ブチル−４−ヒドロキシベンゾエート、２，４−ジ第三アミルフェニル−３，５−ジ第三ブチル−４−ヒドロキシベンゾエート、ヘキサデシル−３，５−ジ第三ブチル−４−ヒドロキシベンゾエートなどのベンゾエート類；２−エチル−２’−エトキシオキザニリド、２−エトキシ−４’−ドデシルオキザニリドなどの置換オキザニリド類；エチル−α−シアノ−β，β−ジフェニルアクリレート、メチル−２−シアノ−３−メチル−３−（ｐ−メトキシフェニル）アクリレートなどのシアノアクリレート類などがあげられる。 Examples of the ultraviolet absorber include 2,4-dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-octoxybenzophenone, 2-hydroxy-4-tert-butyl-4 ′-(2 2-methacryloyloxyethoxyethoxy) benzophenone, 2-hydroxybenzophenones such as 5,5′-methylenebis (2-hydroxy-4-methoxybenzophenone); 2- (2-hydroxy-5-methylphenyl) benzotriazole, 2- (2-hydroxy-5-tert-octylphenyl) benzotriazole, 2- (2-hydroxy-3,5-ditert-butylphenyl) -5-chlorobenzotriazole, 2- (2-hydroxy-3-tertiary) Butyl-5-methylphenyl) -5-chlorobenzotriazole, -(2-hydroxy-3-dodecyl-5-methylphenyl) benzotriazole, 2- (2-hydroxy-3-tert-butyl-5-C7-9mixed alkoxycarbonylethylphenyl) triazole, 2- (2-hydroxy -3,5-dicumylphenyl) benzotriazole, 2,2'-methylenebis (4-tert-octyl-6-benzotriazolylphenol), 2- (2-hydroxy-3-tert-butyl-5-carboxy) 2- (2-hydroxyphenyl) benzotriazoles such as polyethylene glycol ester of phenyl) benzotriazole; 2- (2-hydroxy-4-hexyloxyphenyl) -4,6-diphenyl-1,3,5-triazine, 2- (2-Hydroxy-4-methoxyphenyl) -4,6-diphenyl-1,3,5 Triazine, 2- (2-hydroxy-4-octoxyphenyl) -4,6-bis (2,4-dimethylphenyl) -1,3,5-triazine, 2- (2-hydroxy-4-acryloyloxyethoxy) 2- (2-hydroxyphenyl) -1,3,5-triazines such as phenyl) -4,6-bis (2,4-dimethylphenyl) -1,3,5-triazine; phenyl salicylate, resorcinol monobenzoate 2,4-ditert-butylphenyl-3,5-ditert-butyl-4-hydroxybenzoate, 2,4-ditert-amylphenyl-3,5-ditert-butyl-4-hydroxybenzoate, hexadecyl Benzoates such as 3,5-ditert-butyl-4-hydroxybenzoate; 2-ethyl-2′-ethoxyoxanilide, 2-ethoxy Substituted oxanilides such as cis-4′-dodecyloxanilide; cyano such as ethyl-α-cyano-β, β-diphenyl acrylate, methyl-2-cyano-3-methyl-3- (p-methoxyphenyl) acrylate Examples thereof include acrylates.
上記ヒンダードアミン系光安定剤としては、例えば、２，２，６，６−テトラメチル−４−ピペリジルステアレート、１，２，２，６，６−ペンタメチル−４−ピペリジルステアレート、２，２，６，６−テトラメチル−４−ピペリジルベンゾエート、ビス（２，２，６，６−テトラメチル−４−ピペリジル）セバケート、ビス（１，２，２，６，６−ペンタメチル−４−ピペリジル）セバケート、ビス（１−オクトキシ−２，２，６，６−テトラメチル−４−ピペリジル）セバケート、テトラキス（２，２，６，６−テトラメチル−４−ピペリジル）−１，２，３，４−ブタンテトラカルボキシレート、テトラキス（１，２，２，６，６−ペンタメチル−４−ピペリジル）−１，２，３，４−ブタンテトラカルボキシレート、ビス（２，２，６，６−テトラメチル−４−ピペリジル）・ビス（トリデシル）−１，２，３，４−ブタンテトラカルボキシレート、ビス（１，２，２，６，６−ペンタメチル−４−ピペリジル）・ビス（トリデシル）−１，２，３，４−ブタンテトラカルボキシレート、ビス（１，２，２，６，６−ペンタメチル−４−ピペリジル）−２−ブチル−２−（３，５−ジ第三ブチル−４−ヒドロキシベンジル）マロネート、１−（２−ヒドロキシエチル）−２，２，６，６−テトラメチル−４−ピペリジノール／コハク酸ジエチル重縮合物、１，６−ビス（２，２，６，６−テトラメチル−４−ピペリジルアミノ）ヘキサン／ジブロモエタン重縮合物、１，６−ビス（２，２，６，６−テトラメチル−４−ピペリジルアミノ）ヘキサン／２，４−ジクロロ−６−モルホリノ−ｓ−トリアジン重縮合物、１，６−ビス（２，２，６，６−テトラメチル−４−ピペリジルアミノ）ヘキサン／２，４−ジクロロ−６−第三オクチルアミノ−ｓ−トリアジン重縮合物、１，５，８，１２−テトラキス［２，４−ビス（Ｎ−ブチル−Ｎ−（２，２，６，６−テトラメチル−４−ピペリジル）アミノ）−ｓ−トリアジン−６−イル］−１，５，８，１２−テトラアザドデカン、１，５，８，１２−テトラキス［２，４−ビス（Ｎ−ブチル−Ｎ−（１，２，２，６，６−ペンタメチル−４−ピペリジル）アミノ）−ｓ−トリアジン−６−イル］−１，５，８，１２−テトラアザドデカン、１，６，１１−トリス［２，４−ビス（Ｎ−ブチル−Ｎ−（２，２，６，６−テトラメチル−４−ピペリジル）アミノ−ｓ−トリアジン−６−イルアミノ］ウンデカン、１，６，１１−トリス［２，４−ビス（Ｎ−ブチル−Ｎ−（１，２，２，６，６−ペンタメチル−４−ピペリジル）アミノ−ｓ−トリアジン−６−イルアミノ］ウンデカン、３，９−ビス〔１，１−ジメチル−２−｛トリス（２，２，６，６−テトラメチル−４−ピペリジルオキシカルボニルオキシ）ブチルカルボニルオキシ｝エチル〕−２，４，８，１０−テトラオキサスピロ〔５．５〕ウンデカン、３，９−ビス〔１，１−ジメチル−２−｛トリス（１，２，２，６，６−ペンタメチル−４−ピペリジルオキシカルボニルオキシ）ブチルカルボニルオキシ｝エチル〕−２，４，８，１０−テトラオキサスピロ〔５．５〕ウンデカンなどがあげられる。 Examples of the hindered amine light stabilizer include 2,2,6,6-tetramethyl-4-piperidyl stearate, 1,2,2,6,6-pentamethyl-4-piperidyl stearate, 2,2, 6,6-tetramethyl-4-piperidylbenzoate, bis (2,2,6,6-tetramethyl-4-piperidyl) sebacate, bis (1,2,2,6,6-pentamethyl-4-piperidyl) sebacate Bis (1-octoxy-2,2,6,6-tetramethyl-4-piperidyl) sebacate, tetrakis (2,2,6,6-tetramethyl-4-piperidyl) -1,2,3,4 Butanetetracarboxylate, tetrakis (1,2,2,6,6-pentamethyl-4-piperidyl) -1,2,3,4-butanetetracarboxylate, bis (2,2 6,6-tetramethyl-4-piperidyl) bis (tridecyl) -1,2,3,4-butanetetracarboxylate, bis (1,2,2,6,6-pentamethyl-4-piperidyl) bis (Tridecyl) -1,2,3,4-butanetetracarboxylate, bis (1,2,2,6,6-pentamethyl-4-piperidyl) -2-butyl-2- (3,5-ditertiary Butyl-4-hydroxybenzyl) malonate, 1- (2-hydroxyethyl) -2,2,6,6-tetramethyl-4-piperidinol / diethyl succinate polycondensate, 1,6-bis (2,2, 6,6-tetramethyl-4-piperidylamino) hexane / dibromoethane polycondensate, 1,6-bis (2,2,6,6-tetramethyl-4-piperidylamino) hexane / 2,4-dichloro- -Morpholino-s-triazine polycondensate, 1,6-bis (2,2,6,6-tetramethyl-4-piperidylamino) hexane / 2,4-dichloro-6-tert-octylamino-s-triazine Polycondensate, 1,5,8,12-tetrakis [2,4-bis (N-butyl-N- (2,2,6,6-tetramethyl-4-piperidyl) amino) -s-triazine-6 -Yl] -1,5,8,12-tetraazadodecane, 1,5,8,12-tetrakis [2,4-bis (N-butyl-N- (1,2,2,6,6-pentamethyl) -4-piperidyl) amino) -s-triazin-6-yl] -1,5,8,12-tetraazadodecane, 1,6,11-tris [2,4-bis (N-butyl-N- ( 2,2,6,6-tetramethyl-4-piperidyl) amino-s-to Riazin-6-ylamino] undecane, 1,6,11-tris [2,4-bis (N-butyl-N- (1,2,2,6,6-pentamethyl-4-piperidyl) amino-s-triazine -6-ylamino] undecane, 3,9-bis [1,1-dimethyl-2- {tris (2,2,6,6-tetramethyl-4-piperidyloxycarbonyloxy) butylcarbonyloxy} ethyl] -2 , 4,8,10-tetraoxaspiro [5.5] undecane, 3,9-bis [1,1-dimethyl-2- {tris (1,2,2,6,6-pentamethyl-4-piperidyloxy] Carbonyloxy) butylcarbonyloxy} ethyl] -2,4,8,10-tetraoxaspiro [5.5] undecane.
その他、本発明のセルロース系樹脂組成物には、さらに必要に応じてその他添加剤、例えば、充填剤、着色剤、架橋剤、帯電防止剤、プレートアウト防止剤、表面処理剤、滑剤、難燃剤、蛍光剤、防黴剤、殺菌剤、金属不活性化剤、離型剤、顔料、加工助剤、酸化防止剤、光安定剤、発泡剤等を配合することができる。 In addition, the cellulose-based resin composition of the present invention further includes other additives as necessary, for example, fillers, colorants, crosslinking agents, antistatic agents, plate-out preventing agents, surface treatment agents, lubricants, flame retardants. , Fluorescent agents, antifungal agents, bactericides, metal deactivators, mold release agents, pigments, processing aids, antioxidants, light stabilizers, foaming agents, and the like.
次に、本発明のセルロース系樹脂組成物からフィルムを製造する方法について説明する。 Next, a method for producing a film from the cellulose resin composition of the present invention will be described.
該フィルムの製造は、セルロース系樹脂組成物を溶剤に溶解させたドープ液を塗布、乾燥して行われる。ドープ液には必要に応じて各種添加剤を混合することができる。ドープ液中のセルロース系樹脂の濃度は、濃い方が支持体に流延した後の乾燥負荷が低減できて好ましいが、セルロース系樹脂の濃度が濃過ぎると濾過時の負荷が増えて、濾過精度が悪くなる。これ等を両立する濃度としては、１０〜３０質量％が好ましく、更に好ましくは１５〜２５質量％である。 The film is produced by applying and drying a dope solution obtained by dissolving a cellulose resin composition in a solvent. Various additives can be mixed in the dope liquid as necessary. The concentration of cellulosic resin in the dope solution is preferably higher because the drying load after casting on the support can be reduced. However, if the concentration of cellulosic resin is too high, the load during filtration increases and the filtration accuracy increases. Becomes worse. The concentration for achieving both of these is preferably 10 to 30% by mass, more preferably 15 to 25% by mass.
本発明に係るドープ液の調製に用いる溶剤は、１種単独でもよく、２種以上の併用でもよいが、セルロース系樹脂の良溶剤と貧溶剤とを混合して用いることが生産効率の点で好ましい。良溶剤と貧溶剤の混合比率の好ましい範囲は、良溶剤が７０〜９８質量％であり、貧溶剤が３０〜２質量％である。本発明に用いられる良溶剤、貧溶剤については、使用するセルロース系樹脂を単独で溶解するものを良溶剤、単独では膨潤するのみかあるいは溶解し得ないものを貧溶剤と定義する。そのため、セルロース系樹脂の平均酢化度によっては、良溶剤、貧溶剤が変わり、例えば、アセトンは、平均酢化度５５％のセルロース系樹脂では良溶剤になり、平均酢化度６０％のセルロース系樹脂では貧溶剤となってしまう。このように、良溶剤、貧溶剤はすべての場合に一義的に決まるものではない。本発明において好ましいセルロース系樹脂であるセルローストリアセテートの場合には、良溶剤としては、メチレンクロライド等の有機ハロゲン化合物やジオキソラン類が挙げられ、また、セルロースアセテートプロピオネートの場合にはメチレンクロライド、アセトン、酢酸メチル等が挙げられる。一方、これらの場合、貧溶剤としては、例えば、メタノール、エタノール、ｎ−ブタノール、シクロヘキサン、シクロヘキサノン等が挙げられる。 The solvent used for the preparation of the dope liquid according to the present invention may be used alone or in combination of two or more. However, it is possible to use a mixture of a good solvent and a poor solvent of cellulose resin in terms of production efficiency. preferable. The preferable range of the mixing ratio of the good solvent and the poor solvent is 70 to 98% by mass for the good solvent and 30 to 2% by mass for the poor solvent. Regarding the good solvent and the poor solvent used in the present invention, those that dissolve the cellulose resin used alone are defined as good solvents, and those that only swell or cannot be dissolved alone are defined as poor solvents. Therefore, depending on the average degree of acetylation of the cellulose resin, the good solvent and the poor solvent change. For example, acetone becomes a good solvent in a cellulose resin having an average degree of acetylation of 55%, and cellulose having an average degree of acetylation of 60%. It becomes a poor solvent in the system resin. Thus, the good solvent and the poor solvent are not uniquely determined in all cases. In the case of cellulose triacetate which is a preferred cellulose resin in the present invention, examples of the good solvent include organic halogen compounds such as methylene chloride and dioxolanes, and in the case of cellulose acetate propionate, methylene chloride and acetone. And methyl acetate. On the other hand, in these cases, examples of the poor solvent include methanol, ethanol, n-butanol, cyclohexane, and cyclohexanone.
上記ドープ液を調製するときのセルロース系樹脂の溶解方法としては、一般的な方法を用いることができるが、加圧下で、溶剤の常圧での沸点以上でかつ溶剤が沸騰しない範囲の温度で加熱し、撹拌しながら溶解する方法が、ゲルやママコと呼ばれる塊状未溶解物の発生を防止することができるため、好ましい。また、セルロース系樹脂を貧溶剤と混合し、湿潤あるいは膨潤させた後、さらに良溶剤と混合して溶解する方法も好ましく用いられる。さらに、公知の冷却溶解法を用いてもよい。冷却溶解法を用いる場合には、良溶剤として酢酸メチル、アセトンを用いることができる。加圧は、窒素ガス等の不活性気体を圧入する方法や、加熱による溶剤の蒸気圧の上昇によって行ってもよい。加熱は、外部から行うことが好ましく、例えば、ジャケットタイプのものは温度コントロールが容易であるため、好ましい。 As a method for dissolving the cellulose-based resin when preparing the dope solution, a general method can be used, but under pressure, at a temperature not lower than the boiling point at the normal pressure of the solvent and in a range where the solvent does not boil. A method of heating and stirring while stirring is preferable because it can prevent the generation of massive undissolved material called gel or mamako. Further, a method in which a cellulose resin is mixed with a poor solvent and wetted or swollen and then mixed with a good solvent and dissolved is also preferably used. Furthermore, a known cooling dissolution method may be used. When the cooling dissolution method is used, methyl acetate or acetone can be used as a good solvent. The pressurization may be performed by a method of injecting an inert gas such as nitrogen gas or by increasing the vapor pressure of the solvent by heating. Heating is preferably performed from the outside. For example, a jacket type is preferable because temperature control is easy.
溶剤を添加した後の加熱温度は、使用溶剤の常圧での沸点以上で、かつ溶剤が沸騰しない範囲の温度が、セルロース系樹脂の溶解度の観点から好ましい。加熱温度が高過ぎると必要とされる圧力が大きくなり、生産性が悪くなる。好ましい加熱温度の範囲は４５〜１２０℃であり、６０〜１１０℃がより好ましく、７０〜１０５℃が更に好ましい。また、圧力は、設定温度で溶剤が沸騰しないように調整する。加熱後は、得られたセルロース系樹脂溶液を濾紙等の適当な濾材を用いて濾過する。濾材としては、不要物等を除去するために絶対濾過精度が小さい方が好ましいが、絶対濾過精度が小さ過ぎると濾材の目詰まりが発生しやすいという問題点が生じる。このため、絶対濾過精度０．００８ｍｍ以下の濾材が好ましく、０．００１〜０．００８ｍｍの範囲の濾材がより好ましく、０．００３〜０．００６ｍｍの範囲の濾材が更に好ましい。濾材の材質は特に制限はなく、通常の濾材を使用することができるが、例えば、ポリプロピレン、テフロン（登録商標）等のプラスチック製の濾材やステンレス等の金属製の濾材が繊維の脱落等がなく、好ましい。 The heating temperature after addition of the solvent is preferably a temperature that is not less than the boiling point of the solvent used at normal pressure and that the solvent does not boil from the viewpoint of the solubility of the cellulose resin. If the heating temperature is too high, the required pressure increases and productivity decreases. The range of preferable heating temperature is 45-120 degreeC, 60-110 degreeC is more preferable, and 70-105 degreeC is still more preferable. The pressure is adjusted so that the solvent does not boil at the set temperature. After heating, the obtained cellulose resin solution is filtered using an appropriate filter medium such as filter paper. As the filter medium, it is preferable that the absolute filtration accuracy is small in order to remove unnecessary substances and the like, but if the absolute filtration accuracy is too small, there is a problem that the filter medium is likely to be clogged. For this reason, a filter medium having an absolute filtration accuracy of 0.008 mm or less is preferable, a filter medium in the range of 0.001 to 0.008 mm is more preferable, and a filter medium in the range of 0.003 to 0.006 mm is still more preferable. The material of the filter medium is not particularly limited, and a normal filter medium can be used. For example, a filter medium made of plastic such as polypropylene and Teflon (registered trademark) or a metal filter medium such as stainless steel does not lose fibers. ,preferable.
ドープ液の濾過は通常の方法で行うことができるが、加圧下で、溶剤の常圧での沸点以上でかつ溶剤が沸騰しない範囲の温度で加熱しながら濾過する方法が、濾材前後の差圧（以下、濾圧ということがある）の上昇が小さく、好ましい。好ましい濾過の温度は４５〜１２０℃であり、４５〜７０℃がより好ましく、４５〜５５℃が更に好ましい。濾圧は小さい方が好ましい。濾圧は１．６×１０６Ｐａ以下であることが好ましく、１．２×１０６Ｐａ以下であることがより好ましく、１．０×１０６Ｐａ以下であることが更に好ましい。 The dope solution can be filtered by a normal method, but the method of filtering while heating at a temperature not lower than the boiling point of the solvent at a normal pressure and in a range where the solvent does not boil is a differential pressure before and after the filter medium. An increase in (hereinafter sometimes referred to as filtration pressure) is small and preferable. The temperature of preferable filtration is 45-120 degreeC, 45-70 degreeC is more preferable, and 45-55 degreeC is still more preferable. A smaller filtration pressure is preferred. The filtration pressure is preferably 1.6 × 10 6 Pa or less, more preferably 1.2 × 10 6 Pa or less, and further preferably 1.0 × 10 6 Pa or less.
フィルムの膜厚は、薄い方が液晶ディスプレイの薄型化が容易になるため好ましいが、薄過ぎると、透湿度が増大し、引き裂き強度等が不足する。これ等を両立するセルロース系樹脂フィルムの膜厚としては、１０〜１５０μｍが好ましく、２０〜１００μｍがより好ましい。 A thinner film is preferable because it makes it easier to reduce the thickness of the liquid crystal display. However, if the film is too thin, the moisture permeability increases and the tear strength and the like are insufficient. As a film thickness of the cellulose resin film which makes these compatible, 10-150 micrometers is preferable and 20-100 micrometers is more preferable.
以下実施例を示して本発明のセルロース系樹脂組成物及びフィルムを更に詳細に説明するが、本発明はこれらに限定されるものではない。 Hereinafter, the cellulose resin composition and the film of the present invention will be described in more detail with reference to examples, but the present invention is not limited thereto.
＜実施例１〜１２、比較例１〜４＞
セルローストリアセテート（酢化度６１．５％、重合度２６０）を１００質量部及び下記の表１記載の添加剤を同表記載の質量部を、メチレンクロライド４００質量部とメチルアルコール１００質量部とからなる混合溶剤に撹拌しながら均一に溶解させ、各種ドープ液を調製した。次いで、得られたドープ液をガラス板上に膜厚が８０μｍになるように流延し、室温で１６時間乾燥させた後、５０℃で１時間乾燥させ、さらに１２０℃で１時間乾燥させた。
<Examples 1-12, Comparative Examples 1-4>
100 parts by mass of cellulose triacetate (acetylation degree 61.5%, polymerization degree 260) and parts by mass of the additives listed in Table 1 below from 400 parts by mass of methylene chloride and 100 parts by mass of methyl alcohol Various dope solutions were prepared by uniformly dissolving in the mixed solvent. Next, the obtained dope solution was cast on a glass plate so as to have a film thickness of 80 μm, dried at room temperature for 16 hours, dried at 50 ° C. for 1 hour, and further dried at 120 ° C. for 1 hour. .
（耐ブリード性の評価方法）
得られたフィルムを３０ｍｍ×４０ｍｍの大きさに切り取り、温度８５℃、相対湿度９０％の恒温恒湿中に１２０時間放置した。その後フィルム表面を目視で観察し、ブリードの有無を以下の評価基準にて確認した。
○：ブリード物が観察されなかった。
×：ブリード物が観察された。
(Bleed resistance evaluation method)
The obtained film was cut into a size of 30 mm × 40 mm, and left for 120 hours in constant temperature and humidity at a temperature of 85 ° C. and a relative humidity of 90%. Thereafter, the film surface was visually observed, and the presence or absence of bleeding was confirmed according to the following evaluation criteria.
○: Bleed material was not observed.
X: Bleed material was observed.
（レターデーション測定方法）
得られたフィルムを５０ｍｍ×５０ｍｍの大きさに切り取り、２５℃６０％ＲＨで３時間以上調湿した。その後、下記式に従い自動複屈折率計ＲＥＴＳ−１００（大塚電子（株）製）を用いて、２５℃６０％ＲＨ環境下、波長５９０ｎｍにおける厚み方向のレターデーション（Ｒｔｈ）を測定した。
Ｒｔｈ＝｛（ｎｘ＋ｎｙ）／２−ｎｚ｝×ｄ
［式中，ｎｘはフィルム面内の屈折率が最も大きい方向の屈折率、ｎｙは前記屈折率が最も大きい方向に直角な方向でのフィルム面内の屈折率、ｎｚはフィルムの厚み方向の屈折率、ｄはフィルムの厚み（ｎｍ）を表す。］
得られた評価結果を下記の表１に示す。
(Retardation measurement method)
The obtained film was cut into a size of 50 mm × 50 mm and conditioned at 25 ° C. and 60% RH for 3 hours or more. Thereafter, the retardation (Rth) in the thickness direction at a wavelength of 590 nm was measured under an environment of 25 ° C. and 60% RH using an automatic birefringence meter RETS-100 (manufactured by Otsuka Electronics Co., Ltd.) according to the following formula.
Rth = {(nx + ny) / 2−nz} × d
[Where nx is the refractive index in the direction with the largest refractive index in the film plane, ny is the refractive index in the film plane in the direction perpendicular to the direction with the largest refractive index, and nz is the refractive index in the thickness direction of the film. The rate, d, represents the film thickness (nm). ]
The obtained evaluation results are shown in Table 1 below.
※２：ＴＰＰ（トリフェニルホスフェート）
※３：比較化合物
* 3: Comparison compound
実施例１〜４から明らかなように、本発明に係る不飽和ケトン化合物を使用したいずれの実施例も相溶性に優れ、汎用改質剤であるトリフェニルホスフェートや、トリアジン系のレターデーション上昇剤である比較化合物を使用した比較例と比較してレターデーション（Ｒｔｈ）の値が大きく、優れた光学特性を示すことがわかる。また、比較例４から明らかなように、比較化合物をセルロース系樹脂１００質量部に対して５質量部配合した場合にはブリードが発生した。それに対して、本発明にかかる不飽和ケトン化合物を使用した実施例においてはブリードは生じなかった。 As is clear from Examples 1 to 4, any of the examples using the unsaturated ketone compound according to the present invention is excellent in compatibility and is a general-purpose modifier such as triphenyl phosphate or a triazine-based retardation increasing agent. It can be seen that the value of retardation (Rth) is large as compared with the comparative example using the comparative compound, and excellent optical properties are exhibited. As is clear from Comparative Example 4, bleeding occurred when 5 parts by mass of the comparative compound was added to 100 parts by mass of the cellulose resin. In contrast, no bleed occurred in Examples using the unsaturated ketone compound according to the present invention.
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| EP0911656A2 (en) * | 1997-10-20 | 1999-04-28 | Fuji Photo Film Co., Ltd. | Optical compensatory sheet and liquid crystal display |
| JP2001018527A (en) * | 1999-07-07 | 2001-01-23 | Fuji Photo Film Co Ltd | Laser ablation recording material |
| JP2004500901A (en) * | 2000-06-26 | 2004-01-15 | セラミ コンサルティング コーポレイション | Method, agent and device for removing nucleophilic toxins from tobacco and tobacco smoke |
| JP2011002633A (en) * | 2009-06-18 | 2011-01-06 | Konica Minolta Opto Inc | Optical film, and polarizing plate and liquid crystal display device using the same |
| JP2011069857A (en) * | 2009-09-24 | 2011-04-07 | Konica Minolta Opto Inc | Optical film and polarizing plate using the same, liquid crystal display device, and retardation developing agent |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0911656A2 (en) * | 1997-10-20 | 1999-04-28 | Fuji Photo Film Co., Ltd. | Optical compensatory sheet and liquid crystal display |
| JP2001018527A (en) * | 1999-07-07 | 2001-01-23 | Fuji Photo Film Co Ltd | Laser ablation recording material |
| JP2004500901A (en) * | 2000-06-26 | 2004-01-15 | セラミ コンサルティング コーポレイション | Method, agent and device for removing nucleophilic toxins from tobacco and tobacco smoke |
| JP2011002633A (en) * | 2009-06-18 | 2011-01-06 | Konica Minolta Opto Inc | Optical film, and polarizing plate and liquid crystal display device using the same |
| JP2011069857A (en) * | 2009-09-24 | 2011-04-07 | Konica Minolta Opto Inc | Optical film and polarizing plate using the same, liquid crystal display device, and retardation developing agent |
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