KR102463852B1 - 폴리비닐알코올계 필름, 편광막 및 편광판, 및 폴리비닐알코올계 필름의 제조 방법 - Google Patents
폴리비닐알코올계 필름, 편광막 및 편광판, 및 폴리비닐알코올계 필름의 제조 방법 Download PDFInfo
- Publication number
- KR102463852B1 KR102463852B1 KR1020197027965A KR20197027965A KR102463852B1 KR 102463852 B1 KR102463852 B1 KR 102463852B1 KR 1020197027965 A KR1020197027965 A KR 1020197027965A KR 20197027965 A KR20197027965 A KR 20197027965A KR 102463852 B1 KR102463852 B1 KR 102463852B1
- Authority
- KR
- South Korea
- Prior art keywords
- film
- polyvinyl alcohol
- width direction
- based film
- sample
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004372 Polyvinyl alcohol Substances 0.000 title claims abstract description 129
- 229920002451 polyvinyl alcohol Polymers 0.000 title claims abstract description 129
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 238000007654 immersion Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims description 67
- 239000011347 resin Substances 0.000 claims description 43
- 229920005989 resin Polymers 0.000 claims description 43
- 229920002554 vinyl polymer Polymers 0.000 claims description 30
- 239000007864 aqueous solution Substances 0.000 claims description 27
- 238000001035 drying Methods 0.000 claims description 26
- 230000008569 process Effects 0.000 claims description 23
- 238000009749 continuous casting Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000010287 polarization Effects 0.000 abstract description 23
- 230000008961 swelling Effects 0.000 abstract description 17
- 239000010408 film Substances 0.000 description 289
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 27
- 238000010438 heat treatment Methods 0.000 description 10
- 230000002522 swelling effect Effects 0.000 description 10
- 238000002834 transmittance Methods 0.000 description 10
- 238000004043 dyeing Methods 0.000 description 9
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 8
- 238000007127 saponification reaction Methods 0.000 description 8
- 229920001577 copolymer Polymers 0.000 description 6
- -1 etc.) Chemical class 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 230000037303 wrinkles Effects 0.000 description 6
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 5
- 239000004327 boric acid Substances 0.000 description 5
- 238000005266 casting Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 4
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 229910052740 iodine Inorganic materials 0.000 description 4
- 239000011630 iodine Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000010409 thin film Substances 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 238000007667 floating Methods 0.000 description 3
- 239000004014 plasticizer Substances 0.000 description 3
- 150000000180 1,2-diols Chemical group 0.000 description 2
- 229920002284 Cellulose triacetate Polymers 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 150000001639 boron compounds Chemical class 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000006114 decarboxylation reaction Methods 0.000 description 2
- 238000007872 degassing Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- MWWXARALRVYLAE-UHFFFAOYSA-N 2-acetyloxybut-3-enyl acetate Chemical compound CC(=O)OCC(C=C)OC(C)=O MWWXARALRVYLAE-UHFFFAOYSA-N 0.000 description 1
- IGDCJKDZZUALAO-UHFFFAOYSA-N 2-prop-2-enoxypropane-1,3-diol Chemical compound OCC(CO)OCC=C IGDCJKDZZUALAO-UHFFFAOYSA-N 0.000 description 1
- BJWMSGRKJIOCNR-UHFFFAOYSA-N 4-ethenyl-1,3-dioxolan-2-one Chemical compound C=CC1COC(=O)O1 BJWMSGRKJIOCNR-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 208000034628 Celiac artery compression syndrome Diseases 0.000 description 1
- 229920001747 Cellulose diacetate Polymers 0.000 description 1
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- DKNPRRRKHAEUMW-UHFFFAOYSA-N Iodine aqueous Chemical compound [K+].I[I-]I DKNPRRRKHAEUMW-UHFFFAOYSA-N 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical class C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229940105990 diglycerin Drugs 0.000 description 1
- GPLRAVKSCUXZTP-UHFFFAOYSA-N diglycerol Chemical compound OCC(O)COCC(O)CO GPLRAVKSCUXZTP-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- XMBWDFGMSWQBCA-UHFFFAOYSA-N hydrogen iodide Chemical compound I XMBWDFGMSWQBCA-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000569 multi-angle light scattering Methods 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003791 organic solvent mixture Substances 0.000 description 1
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920006380 polyphenylene oxide Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
- B29C55/08—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique transverse to the direction of feed
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2329/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal, or ketal radical; Hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Derivatives of such polymer
- C08J2329/02—Homopolymers or copolymers of unsaturated alcohols
- C08J2329/04—Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Polymers & Plastics (AREA)
- Optics & Photonics (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Polarising Elements (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Moulding By Coating Moulds (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017086845 | 2017-04-26 | ||
| JPJP-P-2017-086845 | 2017-04-26 | ||
| PCT/JP2018/016753 WO2018199140A1 (ja) | 2017-04-26 | 2018-04-25 | ポリビニルアルコール系フィルム、偏光膜および偏光板、ならびにポリビニルアルコール系フィルムの製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20190139852A KR20190139852A (ko) | 2019-12-18 |
| KR102463852B1 true KR102463852B1 (ko) | 2022-11-04 |
Family
ID=63920405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020197027965A Active KR102463852B1 (ko) | 2017-04-26 | 2018-04-25 | 폴리비닐알코올계 필름, 편광막 및 편광판, 및 폴리비닐알코올계 필름의 제조 방법 |
Country Status (5)
| Country | Link |
|---|---|
| JP (2) | JP7335696B2 (https=) |
| KR (1) | KR102463852B1 (https=) |
| CN (1) | CN110431458B (https=) |
| TW (1) | TWI798217B (https=) |
| WO (1) | WO2018199140A1 (https=) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7240420B2 (ja) * | 2018-12-28 | 2023-03-15 | 株式会社クラレ | 水溶性フィルム、その製造方法および包装体 |
| JP7240423B2 (ja) * | 2018-12-28 | 2023-03-15 | 株式会社クラレ | 水圧転写用ベースフィルムおよび水圧転写用印刷フィルム |
| TWI853226B (zh) * | 2022-03-28 | 2024-08-21 | 長春石油化學股份有限公司 | 聚乙烯醇膜、由其製造之光學薄膜及其製法 |
| TWI820908B (zh) * | 2022-09-14 | 2023-11-01 | 長春石油化學股份有限公司 | 聚乙烯醇膜及由其製得之光學膜 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016060097A1 (ja) * | 2014-10-16 | 2016-04-21 | 日本合成化学工業株式会社 | ポリビニルアルコール系フィルムおよびその製造方法、並びに偏光フィルム、偏光板 |
| WO2016093259A1 (ja) * | 2014-12-12 | 2016-06-16 | 株式会社クラレ | ポリビニルアルコール系重合体フィルムおよびその製造方法 |
Family Cites Families (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4592147B2 (ja) | 2000-04-21 | 2010-12-01 | 株式会社クラレ | ポリビニルアルコールフィルムおよび偏光フィルム |
| JP3480920B2 (ja) | 2000-05-10 | 2003-12-22 | 株式会社クラレ | ポリビニルアルコールフィルムの製造法 |
| JP3496825B2 (ja) | 2000-05-12 | 2004-02-16 | 株式会社クラレ | ポリビニルアルコール系重合体フィルムの製造法 |
| JP3473839B2 (ja) | 2000-06-28 | 2003-12-08 | 株式会社クラレ | 偏光フィルム用ポリビニルアルコールフィルムの製造法 |
| JP4337409B2 (ja) * | 2003-06-06 | 2009-09-30 | 東レ株式会社 | 位相差板および円偏光板 |
| CN102816339B (zh) * | 2007-08-20 | 2015-09-16 | 株式会社可乐丽 | 聚乙烯醇系薄膜 |
| KR101544626B1 (ko) * | 2007-08-24 | 2015-08-17 | 가부시키가이샤 구라레 | 폴리비닐알코올 필름 및 그 제조법 |
| JP5534684B2 (ja) * | 2008-02-29 | 2014-07-02 | 日東電工株式会社 | 光学フィルムの製造方法 |
| JP5628025B2 (ja) * | 2008-12-18 | 2014-11-19 | 株式会社クラレ | ポリビニルアルコールフィルム |
| WO2012002194A1 (ja) * | 2010-07-02 | 2012-01-05 | 日本合成化学工業株式会社 | ポリビニルアルコール系フィルム、ポリビニルアルコール系フィルムの製造方法、偏光フィルム及び偏光板 |
| JP5904725B2 (ja) * | 2010-07-21 | 2016-04-20 | 日本合成化学工業株式会社 | ポリビニルアルコール系フィルムの製造方法、ポリビニルアルコール系フィルム、偏光フィルム及び偏光板 |
| JP5911219B2 (ja) * | 2010-08-27 | 2016-04-27 | 日本合成化学工業株式会社 | ポリビニルアルコール系フィルムの製造方法、ポリビニルアルコール系フィルム、偏光フィルム及び偏光板 |
| JP5563413B2 (ja) * | 2010-09-07 | 2014-07-30 | 日東電工株式会社 | 薄型偏光膜の製造方法 |
| WO2012132984A1 (ja) * | 2011-03-29 | 2012-10-04 | 株式会社クラレ | ポリビニルアルコール系重合体フィルムおよびその製造方法 |
| TWI519575B (zh) * | 2011-04-01 | 2016-02-01 | Nippon Synthetic Chem Ind | A method for producing a polyvinyl alcohol film and a polyvinyl alcohol film, and a method for producing the same, |
| JP6216497B2 (ja) * | 2011-05-30 | 2017-10-18 | 日東電工株式会社 | 位相差層付偏光板 |
| JP5390052B1 (ja) * | 2012-03-30 | 2014-01-15 | 株式会社クラレ | ポリビニルアルコール系重合体フィルムおよび偏光フィルム |
| CN105263838B (zh) * | 2013-08-28 | 2018-06-08 | 日本合成化学工业株式会社 | 聚乙烯醇系薄膜卷和使用其的偏光膜 |
| JP6565597B2 (ja) * | 2014-10-28 | 2019-08-28 | 三菱ケミカル株式会社 | ポリカーボネート樹脂、成形品及び光学フィルム |
-
2018
- 2018-04-25 WO PCT/JP2018/016753 patent/WO2018199140A1/ja not_active Ceased
- 2018-04-25 KR KR1020197027965A patent/KR102463852B1/ko active Active
- 2018-04-25 CN CN201880020027.3A patent/CN110431458B/zh active Active
- 2018-04-25 JP JP2018521665A patent/JP7335696B2/ja active Active
- 2018-04-25 TW TW107113968A patent/TWI798217B/zh active
-
2023
- 2023-04-07 JP JP2023062601A patent/JP2023083360A/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016060097A1 (ja) * | 2014-10-16 | 2016-04-21 | 日本合成化学工業株式会社 | ポリビニルアルコール系フィルムおよびその製造方法、並びに偏光フィルム、偏光板 |
| WO2016093259A1 (ja) * | 2014-12-12 | 2016-06-16 | 株式会社クラレ | ポリビニルアルコール系重合体フィルムおよびその製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20190139852A (ko) | 2019-12-18 |
| JP2023083360A (ja) | 2023-06-15 |
| CN110431458B (zh) | 2021-09-14 |
| TW201841718A (zh) | 2018-12-01 |
| JP7335696B2 (ja) | 2023-08-30 |
| JPWO2018199140A1 (ja) | 2020-03-12 |
| TWI798217B (zh) | 2023-04-11 |
| WO2018199140A1 (ja) | 2018-11-01 |
| CN110431458A (zh) | 2019-11-08 |
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