JP6472380B2 - フィルム - Google Patents
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- JP6472380B2 JP6472380B2 JP2015526812A JP2015526812A JP6472380B2 JP 6472380 B2 JP6472380 B2 JP 6472380B2 JP 2015526812 A JP2015526812 A JP 2015526812A JP 2015526812 A JP2015526812 A JP 2015526812A JP 6472380 B2 JP6472380 B2 JP 6472380B2
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- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 126
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 126
- 238000005259 measurement Methods 0.000 claims description 60
- -1 alkali metal salt Chemical class 0.000 claims description 48
- 238000007127 saponification reaction Methods 0.000 claims description 45
- 238000006116 polymerization reaction Methods 0.000 claims description 43
- 238000005227 gel permeation chromatography Methods 0.000 claims description 41
- 238000002835 absorbance Methods 0.000 claims description 34
- 239000004094 surface-active agent Substances 0.000 claims description 29
- 229910052783 alkali metal Inorganic materials 0.000 claims description 20
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 239000011550 stock solution Substances 0.000 claims description 10
- 150000001340 alkali metals Chemical class 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 99
- 239000010408 film Substances 0.000 description 83
- 238000000034 method Methods 0.000 description 39
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 36
- 239000000243 solution Substances 0.000 description 29
- 238000010438 heat treatment Methods 0.000 description 27
- 229920001567 vinyl ester resin Polymers 0.000 description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 18
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 14
- 229920002689 polyvinyl acetate Polymers 0.000 description 14
- 239000011118 polyvinyl acetate Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 13
- 239000002904 solvent Substances 0.000 description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 12
- 239000000523 sample Substances 0.000 description 12
- 239000006185 dispersion Substances 0.000 description 11
- 239000007788 liquid Substances 0.000 description 11
- 239000000178 monomer Substances 0.000 description 11
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 10
- 239000004014 plasticizer Substances 0.000 description 10
- 239000011734 sodium Substances 0.000 description 10
- SPEUIVXLLWOEMJ-UHFFFAOYSA-N 1,1-dimethoxyethane Chemical compound COC(C)OC SPEUIVXLLWOEMJ-UHFFFAOYSA-N 0.000 description 8
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 8
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 8
- 239000007864 aqueous solution Substances 0.000 description 8
- 238000011088 calibration curve Methods 0.000 description 8
- 229910052708 sodium Inorganic materials 0.000 description 8
- 239000000654 additive Substances 0.000 description 7
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 7
- 239000003112 inhibitor Substances 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 6
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 6
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 6
- 238000010828 elution Methods 0.000 description 6
- 239000011256 inorganic filler Substances 0.000 description 6
- 229910003475 inorganic filler Inorganic materials 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 238000010526 radical polymerization reaction Methods 0.000 description 6
- 239000001632 sodium acetate Substances 0.000 description 6
- 235000017281 sodium acetate Nutrition 0.000 description 6
- UYCAUPASBSROMS-AWQJXPNKSA-M sodium;2,2,2-trifluoroacetate Chemical compound [Na+].[O-][13C](=O)[13C](F)(F)F UYCAUPASBSROMS-AWQJXPNKSA-M 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 5
- 238000004040 coloring Methods 0.000 description 5
- 150000002148 esters Chemical class 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 229920001290 polyvinyl ester Polymers 0.000 description 5
- YPVDWEHVCUBACK-UHFFFAOYSA-N propoxycarbonyloxy propyl carbonate Chemical compound CCCOC(=O)OOC(=O)OCCC YPVDWEHVCUBACK-UHFFFAOYSA-N 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- JSNRRGGBADWTMC-UHFFFAOYSA-N (6E)-7,11-dimethyl-3-methylene-1,6,10-dodecatriene Chemical compound CC(C)=CCCC(C)=CCCC(=C)C=C JSNRRGGBADWTMC-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 4
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 4
- 230000000996 additive effect Effects 0.000 description 4
- UAHWPYUMFXYFJY-UHFFFAOYSA-N beta-myrcene Chemical compound CC(C)=CCCC(=C)C=C UAHWPYUMFXYFJY-UHFFFAOYSA-N 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 239000012153 distilled water Substances 0.000 description 4
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 4
- 239000003999 initiator Substances 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 4
- BEQKKZICTDFVMG-UHFFFAOYSA-N 1,2,3,4,6-pentaoxepane-5,7-dione Chemical compound O=C1OOOOC(=O)O1 BEQKKZICTDFVMG-UHFFFAOYSA-N 0.000 description 3
- BTXXTMOWISPQSJ-UHFFFAOYSA-N 4,4,4-trifluorobutan-2-one Chemical compound CC(=O)CC(F)(F)F BTXXTMOWISPQSJ-UHFFFAOYSA-N 0.000 description 3
- BQACOLQNOUYJCE-FYZZASKESA-N Abietic acid Natural products CC(C)C1=CC2=CC[C@]3(C)[C@](C)(CCC[C@@]3(C)C(=O)O)[C@H]2CC1 BQACOLQNOUYJCE-FYZZASKESA-N 0.000 description 3
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 150000001299 aldehydes Chemical class 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000012662 bulk polymerization Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 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
- 238000011437 continuous method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000012470 diluted sample Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 235000011187 glycerol Nutrition 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000003472 neutralizing effect Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 229960003975 potassium Drugs 0.000 description 3
- 239000004334 sorbic acid Substances 0.000 description 3
- 235000010199 sorbic acid Nutrition 0.000 description 3
- 229940075582 sorbic acid Drugs 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000011975 tartaric acid Substances 0.000 description 3
- 235000002906 tartaric acid Nutrition 0.000 description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- CXENHBSYCFFKJS-UHFFFAOYSA-N (3E,6E)-3,7,11-Trimethyl-1,3,6,10-dodecatetraene Natural products CC(C)=CCCC(C)=CCC=C(C)C=C CXENHBSYCFFKJS-UHFFFAOYSA-N 0.000 description 2
- BYEAHWXPCBROCE-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoropropan-2-ol Chemical compound FC(F)(F)C(O)C(F)(F)F BYEAHWXPCBROCE-UHFFFAOYSA-N 0.000 description 2
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 2
- SDJHPPZKZZWAKF-UHFFFAOYSA-N 2,3-dimethylbuta-1,3-diene Chemical compound CC(=C)C(C)=C SDJHPPZKZZWAKF-UHFFFAOYSA-N 0.000 description 2
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 2
- RCJMVGJKROQDCB-UHFFFAOYSA-N 2-methylpenta-1,3-diene Chemical compound CC=CC(C)=C RCJMVGJKROQDCB-UHFFFAOYSA-N 0.000 description 2
- CJSBUWDGPXGFGA-UHFFFAOYSA-N 4-methylpenta-1,3-diene Chemical compound CC(C)=CC=C CJSBUWDGPXGFGA-UHFFFAOYSA-N 0.000 description 2
- QGFSQVPRCWJZQK-UHFFFAOYSA-N 9-Decen-1-ol Chemical compound OCCCCCCCCC=C QGFSQVPRCWJZQK-UHFFFAOYSA-N 0.000 description 2
- HGINCPLSRVDWNT-UHFFFAOYSA-N Acrolein Chemical compound C=CC=O HGINCPLSRVDWNT-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Natural products CCOC(C)=O XEKOWRVHYACXOJ-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
- AEMRFAOFKBGASW-UHFFFAOYSA-N Glycolic acid Chemical compound OCC(O)=O AEMRFAOFKBGASW-UHFFFAOYSA-N 0.000 description 2
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 2
- AOMUHOFOVNGZAN-UHFFFAOYSA-N N,N-bis(2-hydroxyethyl)dodecanamide Chemical compound CCCCCCCCCCCC(=O)N(CCO)CCO AOMUHOFOVNGZAN-UHFFFAOYSA-N 0.000 description 2
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical class C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 2
- SHGAZHPCJJPHSC-YCNIQYBTSA-N all-trans-retinoic acid Chemical compound OC(=O)\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C SHGAZHPCJJPHSC-YCNIQYBTSA-N 0.000 description 2
- FPIPGXGPPPQFEQ-OVSJKPMPSA-N all-trans-retinol Chemical compound OC\C=C(/C)\C=C\C=C(/C)\C=C\C1=C(C)CCCC1(C)C FPIPGXGPPPQFEQ-OVSJKPMPSA-N 0.000 description 2
- VYBREYKSZAROCT-UHFFFAOYSA-N alpha-myrcene Natural products CC(=C)CCCC(=C)C=C VYBREYKSZAROCT-UHFFFAOYSA-N 0.000 description 2
- 239000002280 amphoteric surfactant Substances 0.000 description 2
- 239000003945 anionic surfactant Substances 0.000 description 2
- 238000004380 ashing Methods 0.000 description 2
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 2
- 239000003093 cationic surfactant Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- MGNZXYYWBUKAII-UHFFFAOYSA-N cyclohexa-1,3-diene Chemical compound C1CC=CC=C1 MGNZXYYWBUKAII-UHFFFAOYSA-N 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- ZQMIGQNCOMNODD-UHFFFAOYSA-N diacetyl peroxide Chemical compound CC(=O)OOC(C)=O ZQMIGQNCOMNODD-UHFFFAOYSA-N 0.000 description 2
- FJKIXWOMBXYWOQ-UHFFFAOYSA-N ethenoxyethane Chemical compound CCOC=C FJKIXWOMBXYWOQ-UHFFFAOYSA-N 0.000 description 2
- BEFDCLMNVWHSGT-UHFFFAOYSA-N ethenylcyclopentane Chemical compound C=CC1CCCC1 BEFDCLMNVWHSGT-UHFFFAOYSA-N 0.000 description 2
- 229930009668 farnesene Natural products 0.000 description 2
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- CPJRRXSHAYUTGL-UHFFFAOYSA-N isopentenyl alcohol Chemical compound CC(=C)CCO CPJRRXSHAYUTGL-UHFFFAOYSA-N 0.000 description 2
- 239000004310 lactic acid Substances 0.000 description 2
- 235000014655 lactic acid Nutrition 0.000 description 2
- 229940031957 lauric acid diethanolamide Drugs 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
- 239000011976 maleic acid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- FQPSGWSUVKBHSU-UHFFFAOYSA-N methacrylamide Chemical compound CC(=C)C(N)=O FQPSGWSUVKBHSU-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- 239000012934 organic peroxide initiator Substances 0.000 description 2
- 150000001451 organic peroxides Chemical class 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
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 150000004291 polyenes Chemical class 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 230000000379 polymerizing effect Effects 0.000 description 2
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- POSICDHOUBKJKP-UHFFFAOYSA-N prop-2-enoxybenzene Chemical compound C=CCOC1=CC=CC=C1 POSICDHOUBKJKP-UHFFFAOYSA-N 0.000 description 2
- YPFDHNVEDLHUCE-UHFFFAOYSA-N propane-1,3-diol Chemical compound OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 2
- 239000007870 radical polymerization initiator Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- GRONZTPUWOOUFQ-UHFFFAOYSA-M sodium;methanol;hydroxide Chemical compound [OH-].[Na+].OC GRONZTPUWOOUFQ-UHFFFAOYSA-M 0.000 description 2
- 239000000454 talc Substances 0.000 description 2
- 229910052623 talc Inorganic materials 0.000 description 2
- CWERGRDVMFNCDR-UHFFFAOYSA-N thioglycolic acid Chemical compound OC(=O)CS CWERGRDVMFNCDR-UHFFFAOYSA-N 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000004711 α-olefin Substances 0.000 description 2
- DGVVWUTYPXICAM-UHFFFAOYSA-N β‐Mercaptoethanol Chemical compound OCCS DGVVWUTYPXICAM-UHFFFAOYSA-N 0.000 description 2
- LKNKAEWGISYACD-ONEGZZNKSA-N (1e)-1-bromobuta-1,3-diene Chemical compound Br\C=C\C=C LKNKAEWGISYACD-ONEGZZNKSA-N 0.000 description 1
- PCPYTNCQOSFKGG-ONEGZZNKSA-N (1e)-1-chlorobuta-1,3-diene Chemical compound Cl\C=C\C=C PCPYTNCQOSFKGG-ONEGZZNKSA-N 0.000 description 1
- KOCUMXQOUWPSLK-SNAWJCMRSA-N (1e)-1-methoxybuta-1,3-diene Chemical compound CO\C=C\C=C KOCUMXQOUWPSLK-SNAWJCMRSA-N 0.000 description 1
- ZOKCNEIWFQCSCM-UHFFFAOYSA-N (2-methyl-4-phenylpent-4-en-2-yl)benzene Chemical compound C=1C=CC=CC=1C(C)(C)CC(=C)C1=CC=CC=C1 ZOKCNEIWFQCSCM-UHFFFAOYSA-N 0.000 description 1
- APPOKADJQUIAHP-GGWOSOGESA-N (2e,4e)-hexa-2,4-diene Chemical compound C\C=C\C=C\C APPOKADJQUIAHP-GGWOSOGESA-N 0.000 description 1
- BOEOXRHGXOIKKE-UHFFFAOYSA-N (3-methyl-5-phenylhept-4-en-3-yl)benzene Chemical compound C=1C=CC=CC=1C(CC)=CC(C)(CC)C1=CC=CC=C1 BOEOXRHGXOIKKE-UHFFFAOYSA-N 0.000 description 1
- ISZVHXPSMYZEJC-UHFFFAOYSA-N (3-methyl-5-phenylhept-5-en-3-yl)benzene Chemical compound C=1C=CC=CC=1C(C)(CC)CC(=CC)C1=CC=CC=C1 ISZVHXPSMYZEJC-UHFFFAOYSA-N 0.000 description 1
- BOGRNZQRTNVZCZ-AATRIKPKSA-N (3e)-3-methylpenta-1,3-diene Chemical compound C\C=C(/C)C=C BOGRNZQRTNVZCZ-AATRIKPKSA-N 0.000 description 1
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- CCVMLEHYQVSFOM-UHFFFAOYSA-N trimethyl-[2-(prop-2-enoylamino)ethyl]azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CCNC(=O)C=C CCVMLEHYQVSFOM-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
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- C—CHEMISTRY; METALLURGY
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Description
(A−B)/A<0.75 (1)
を満たし、かつピークトップ分子量(B)における吸光度が0.25×10−3〜3.00×10−3となる、フィルムを提供することにより解決される。
移動相:20mmol/Lのトリフルオロ酢酸ナトリウム含有ヘキサフルオロイソプロパノール(以下、ヘキサフルオロイソプロパノールをHFIPと略記することがある。)
試料濃度:1.00mg/mL
試料注入量:100μL
カラム:昭和電工株式会社製「GPC HFIP−806M」
カラム温度:40℃
流速:1mL/分
吸光光度検出器のセル長:10mm
である。
(A−B)/A<0.75 (1)
を満たし、かつピークトップ分子量(B)における吸光度が0.25×10−3〜3.00×10−3となるものである。
移動相:20mmol/Lのトリフルオロ酢酸ナトリウム含有HFIP
試料濃度:1.00mg/mL
試料注入量:100μL
カラム:昭和電工株式会社製「GPC HFIP−806M」
カラム温度:40℃
流速:1mL/分
吸光光度検出器のセル長:10mm
である。
(A−B)/A<0.75 (1)
(A−C)/A<0.75 (2)
を満たすことが好ましい。
P=([η]×10,000/8.29)(1/0.62)
PVAの重合度及びけん化度は、JIS−K6726に記載の方法により求めた。
PVA及びフィルムにおける酢酸ナトリウムの含有量(ナトリウムの質量換算値)は、PVA又はフィルムを灰化した後に、ジャーレルアッシュ社製ICP発光分析装置「IRIS AP」を用いて、得られた灰分中のナトリウム量を測定することにより求めた。
(PVAの加熱)
PVAの粉体を水に入れ、95℃で1時間加熱して溶解させた後、室温に冷却して、PVAの2%水溶液を得た。次いで、ポリエチレンテレフタレートフィルム上(20cm×20cm)に得られた水溶液を流延し、23℃、50%RHの条件下で2週間乾燥させて、厚み50μmのフィルムを得た。得られたフィルムをステンレス製の金属型枠(20cm×20cmで幅1cmの金属枠)にクリップで固定し、ギアオーブンにて120℃で3時間加熱した。
VISCOTECH製「GPCmax」を用いてGPC測定を行った。示差屈折率検出器としてVISCOTECH製「TDA305」を用いた。紫外可視吸光光度検出器としてVISCOTECH製「UV Detector2600」を用いた。当該吸光光度検出器の検出用セルの光路長は10mmである。GPCカラムには昭和電工株式会社製「GPC HFIP−806M」を用いた。また、解析ソフトには、装置付属のOmniSEC(Version 4.7.0.406)を用いた。
上記方法で得られた加熱後のフィルムの中央付近から試料を採取した。当該試料を、20mmol/Lのトリフルオロ酢酸ナトリウム含有HFIPに溶解し、PVAの1.00mg/mL溶液を調製した。当該溶液を0.45μmのポリテトラフルオロエチレン製フィルターでろ過した後、測定に用いた。
試料濃度1.00mg/mLにおける吸光度=(1.00/α)×吸光度の測定値
標品として、Agilent Technologies製のPMMA(ピークトップ分子量:1,944,000、790,000、467,400、271,400、144,000、79,250、35,300、13,300、7,100、1,960、1,020、690)を測定し、示差屈折率検出器及び吸光光度検出器のそれぞれについて、溶出容量をPMMA分子量に換算するための検量線を作成した。各検量線の作成には、前記解析ソフトを用いた。
なお、本測定においてはPMMAの測定において、1,944,000と271,400の両分子量の標準試料同士のピークが分離できるカラムを用いた。また、本装置においては、示差屈折率検出器から得られるピーク強度はmV(ミリボルト)で、紫外可視吸光光度検出器から得られるピーク強度は吸光度(abs unit:アブソーバンスユニット)で表される。
「PVAのGPC測定」−「PVAの加熱」の項で上記した方法により、PVAを含むフィルムの作製と加熱を行った。そして、加熱後のフィルムについて、スガ試験機株式会社製SMカラーコンピュータ「SM−T−H」を用いてJIS K 7105に従って黄色度(YI値)を求め、加熱によるフィルムの着色性の指標とした。
PVA100部とラウリン酸ジエタノールアミド0.1部を95℃で1時間加熱して水に溶解させた後、室温に冷却して、PVAの4%水溶液を得た。ポリエチレンテレフタレートフィルム上(20cm×20cm)に得られた水溶液を流延し、23℃、50%RHの条件下で1週間乾燥させて、厚み50μmのフィルムを得た。得られたフィルムを200倍の光学顕微鏡で観察し、界面活性剤の分散状態(凝集物の有無)を評価した。
(PVAc−1)
撹拌機、温度計、窒素導入チューブ、還流管を備え付けた6Lセパラブルフラスコに、あらかじめ脱酸素した、アセトアルデヒド(AA)を500ppm、アセトアルデヒドジメチルアセタール(DMA)を50ppm含有する酢酸ビニル(VAM)2,555g;アセトアルデヒドジメチルアセタールを50ppm含有し、アセトアルデヒドの含有量が1ppm未満であるメタノール(MeOH)945g;酢酸ビニル中の酒石酸の含有量が20ppmとなる量の酒石酸1%メタノール溶液を仕込んだ。前記フラスコ内に窒素を吹き込みながら、フラスコ内の温度を60℃に保った。なお、還流管には−10℃のエチレングリコール/水溶液を循環させた。ジn−プロピルパーオキシジカーボネートの0.55質量%メタノール溶液を調製し、18.6mLを前記フラスコ内に添加して重合を開始した。このときのジn−プロピルパーオキシジカーボネートの添加量は0.081gであった。ジn−プロピルパーオキシジカーボネートのメタノール溶液を20.9mL/時間の速度で重合終了まで逐次添加した。重合中、フラスコ内の温度を60℃に保った。重合開始から4時間後、重合液の固形分濃度が25.1%となった時点で、ソルビン酸を0.0141g(重合液中に未分解で残存するジn−プロピルパーオキシジカーボネートの3モル当量に相当する)含有するメタノールを1200g添加した後、重合液を冷却して重合を停止した。重合停止時の酢酸ビニルの重合率は35.0%であった。重合液を室温まで冷却した後、水流アスピレータを用いてフラスコ内を減圧することにより、酢酸ビニル及びメタノールを留去し、ポリ酢酸ビニルを析出させた。析出したポリ酢酸ビニルにメタノールを3,000g添加し、30℃で加温しつつポリ酢酸ビニルを溶解させた後、再び水流アスピレータを用いてフラスコ内を減圧することにより、酢酸ビニル及びメタノールを留去してポリ酢酸ビニルを析出させた。ポリ酢酸ビニルをメタノールに溶解させた後、析出させる操作を更に2回繰り返した。析出したポリ酢酸ビニルにメタノールを添加し、酢酸ビニルの除去率99.8%のポリ酢酸ビニル(PVAc−1)の40質量%のメタノール溶液を得た。
表1に記載した条件に変更したこと以外は、PVAc−1と同様の方法により、ポリ酢酸ビニル(PVAc−2〜PVAc−20)を得た。なお、表1中の「ND」は1ppm未満を意味する。得られた各ポリ酢酸ビニルの粘度平均重合度をPVAc−1と同様にして求めた。その結果を表1に示す。
PVAc−1の40質量%のメタノール溶液に対して、総固形分濃度(けん化濃度)が30質量%となり、且つ、PVAc−1中の酢酸ビニル単量体単位に対する水酸化ナトリウムのモル比が0.02となるように、メタノール及び水酸化ナトリウムの8%メタノール溶液を撹拌下に加え、40℃でけん化反応を開始した。けん化反応の進行に伴ってゲル化物が生成した時点でゲルを粉砕し、粉砕後のゲルを40℃の容器に移し、けん化反応の開始から60分経過した時点で、メタノール/酢酸メチル/水(25/70/5質量比)の溶液に浸漬し、中和処理した。得られた膨潤ゲルを遠心分離し、膨潤ゲルの質量に対して2倍の質量のメタノールに浸漬し30分間放置した後で、遠心分離する操作を4回繰り返し、60℃で1時間乾燥した後、100℃で2時間乾燥してPVAを得た。
(A−B)/A
に代入して得られた値は0.47であった。ピークトップ分子量(B)における吸光度は1.30×10−3であった。これらの結果を表2にも示す。
(A−C)/A
に代入して得られた値は0.50であった。ピークトップ分子量(C)における吸光度は1.05×10−3であった。これらの結果を表2にも示す。
表2及び3に示す条件に変更したこと以外は実施例1と同様にして各PVAを合成し、得られたPVAを用いて実施例1と同様にして各測定又は評価を行った。その結果を表2及び3に示す。
PVAc−3の55質量%のメタノール溶液に対して、総固形分濃度(けん化濃度)が40質量%となり、且つ、PVAc−3中の酢酸ビニル単量体単位に対する水酸化ナトリウムのモル比が0.005となるように、メタノール及び水酸化ナトリウムの8%メタノール溶液を撹拌下に加え、40℃でけん化反応を開始した。なお、この際の系内の水分率を1.2%となるよう蒸留水を添加してけん化反応を行った。水酸化ナトリウムのメタノール溶液を添加してから1時間後、水酸化ナトリウムの0.8モル当量の1%酢酸水及び多量の蒸留水を添加し、けん化反応を停止した。得られた溶液を乾燥機に移し、65℃で12時間乾燥した後、100℃で2時間乾燥してPVAを得た。
PVAc−3の55質量%のメタノール溶液に対して、総固形分濃度(けん化濃度)が40質量%となり、且つ、PVAc−3中の酢酸ビニル単量体単位に対する水酸化ナトリウムのモル比が0.005となるように、メタノール及び水酸化ナトリウムの8%メタノール溶液を撹拌下に加え、40℃でけん化反応を開始した。なお、この際の系内の水分率を3.0%となるよう蒸留水を添加してけん化反応を行った。水酸化ナトリウムのメタノール溶液を添加してから1時間後、水酸化ナトリウムの0.8モル当量の1%酢酸水及び多量の蒸留水を添加し、けん化反応を停止した。得られた溶液を乾燥機に移し、65℃で12時間乾燥した後、100℃で2時間乾燥してPVAを得た。
Claims (11)
- けん化度が50〜99.99モル%、粘度平均重合度が200〜5,000であるポリビニルアルコールを含み、カルボン酸のアルカリ金属塩の含有量がアルカリ金属の質量換算で0.5質量%以下であるフィルムであって、
120℃において3時間加熱された前記ポリビニルアルコールをゲルパーミエーションクロマトグラフィー測定したときの、示差屈折率検出器で測定されるピークトップ分子量(A)と、吸光光度検出器(測定波長280nm)で測定されるピークトップ分子量(B)が下記式(1)
(A−B)/A<0.75 (1)
を満たし、かつピークトップ分子量(B)における吸光度が0.25×10−3〜3.00×10−3となる、フィルム。 - 前記ゲルパーミエーションクロマトグラフィー測定における、示差屈折率検出器で測定されるピークトップ分子量(A)と、吸光光度検出器(測定波長320nm)で測定されるピークトップ分子量(C)が下記式(2)
(A−C)/A<0.75 (2)
を満たす、請求項1に記載のフィルム。 - 前記ゲルパーミエーションクロマトグラフィー測定における、吸光光度検出器(測定波長320nm)で測定されるピークトップ分子量(C)における吸光度が0.20×10−3〜2.90×10−3となる、請求項1又は2に記載のフィルム。
- 前記ゲルパーミエーションクロマトグラフィー測定における、示差屈折率検出器によって求められる、前記ポリビニルアルコールの数平均分子量Mnに対する重量平均分子量Mwの比Mw/Mnが2.2〜6.0となる、請求項1〜3のいずれかに記載のフィルム。
- 界面活性剤を更に含む、請求項1〜4のいずれかに記載のフィルム。
- 120℃において3時間加熱したときのYI値が7以下である、請求項1〜5のいずれかに記載のフィルム。
- けん化度が50〜99.99モル%、粘度平均重合度が200〜5,000であるポリビニルアルコールを含む製膜原液を乾燥する工程を有する、カルボン酸のアルカリ金属塩の含有量がアルカリ金属の質量換算で0.5質量%以下であるフィルムの製造方法であって、
120℃において3時間加熱された前記ポリビニルアルコールをゲルパーミエーションクロマトグラフィー測定したときの、示差屈折率検出器で測定されるピークトップ分子量(A)と、吸光光度検出器(測定波長280nm)で測定されるピークトップ分子量(B)が下記式(1)
(A−B)/A<0.75 (1)
を満たし、かつピークトップ分子量(B)における吸光度が0.25×10−3〜3.00×10−3となる、製造方法。 - 前記ゲルパーミエーションクロマトグラフィー測定における、示差屈折率検出器で測定されるピークトップ分子量(A)と、吸光光度検出器(測定波長320nm)で測定されるピークトップ分子量(C)が下記式(2)
(A−C)/A<0.75 (2)
を満たす、請求項7に記載の製造方法。 - 前記ゲルパーミエーションクロマトグラフィー測定における、吸光光度検出器(測定波長320nm)で測定されるピークトップ分子量(C)における吸光度が0.20×10−3〜2.90×10−3となる、請求項7又は8に記載の製造方法。
- 前記ゲルパーミエーションクロマトグラフィー測定における、示差屈折率検出器によって求められる、前記ポリビニルアルコールの数平均分子量Mnに対する重量平均分子量Mwの比Mw/Mnが2.2〜6.0となる、請求項7〜9のいずれかに記載の製造方法。
- 前記製膜原液が界面活性剤を更に含む、請求項7〜10のいずれかに記載の製造方法。
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