TWI789390B - 聚乙烯醇系薄膜、偏光膜、偏光板及聚乙烯醇系薄膜之製造方法 - Google Patents
聚乙烯醇系薄膜、偏光膜、偏光板及聚乙烯醇系薄膜之製造方法 Download PDFInfo
- Publication number
- TWI789390B TWI789390B TW107113971A TW107113971A TWI789390B TW I789390 B TWI789390 B TW I789390B TW 107113971 A TW107113971 A TW 107113971A TW 107113971 A TW107113971 A TW 107113971A TW I789390 B TWI789390 B TW I789390B
- Authority
- TW
- Taiwan
- Prior art keywords
- film
- polyvinyl alcohol
- stretching
- polarizing
- based film
- Prior art date
Links
- 239000004372 Polyvinyl alcohol Substances 0.000 title claims abstract description 169
- 229920002451 polyvinyl alcohol Polymers 0.000 title claims abstract description 169
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 55
- 230000008961 swelling Effects 0.000 claims abstract description 93
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 239000011347 resin Substances 0.000 claims description 44
- 229920005989 resin Polymers 0.000 claims description 44
- 239000007864 aqueous solution Substances 0.000 claims description 31
- 238000001035 drying Methods 0.000 claims description 28
- -1 polyethylene Polymers 0.000 claims description 10
- 238000009749 continuous casting Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 239000010408 film Substances 0.000 description 327
- 229940068984 polyvinyl alcohol Drugs 0.000 description 149
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 149
- 238000000034 method Methods 0.000 description 33
- 238000005266 casting Methods 0.000 description 29
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 27
- 230000010287 polarization Effects 0.000 description 12
- 238000004043 dyeing Methods 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 11
- 238000002834 transmittance Methods 0.000 description 11
- 230000037303 wrinkles Effects 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 10
- 238000007654 immersion Methods 0.000 description 9
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 239000000975 dye Substances 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 238000007127 saponification reaction Methods 0.000 description 6
- 230000002522 swelling effect Effects 0.000 description 6
- 239000010409 thin film Substances 0.000 description 6
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 5
- 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
- 238000007667 floating Methods 0.000 description 5
- 229910052740 iodine Inorganic materials 0.000 description 5
- 239000011630 iodine Substances 0.000 description 5
- 239000000178 monomer Substances 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 229920002554 vinyl polymer Polymers 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
- 230000001070 adhesive effect Effects 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 238000004132 cross linking Methods 0.000 description 3
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 3
- 239000004014 plasticizer Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 150000000180 1,2-diols Chemical group 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 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
- 238000004140 cleaning Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000002040 relaxant effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 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
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-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
- 239000005977 Ethylene Substances 0.000 description 1
- DKNPRRRKHAEUMW-UHFFFAOYSA-N Iodine aqueous Chemical compound [K+].I[I-]I DKNPRRRKHAEUMW-UHFFFAOYSA-N 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
- 150000001298 alcohols Chemical class 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
- 150000007860 aryl ester derivatives Chemical class 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000003093 cationic surfactant Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000006114 decarboxylation reaction Methods 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
- 150000002148 esters Chemical class 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 150000002334 glycols Chemical class 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
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 150000002497 iodine compounds Chemical class 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000465 moulding 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
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920001955 polyphenylene ether 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
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 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
- B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
-
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Nonlinear Science (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mathematical Physics (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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017086846 | 2017-04-26 | ||
| JP2017-086846 | 2017-04-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201843049A TW201843049A (zh) | 2018-12-16 |
| TWI789390B true TWI789390B (zh) | 2023-01-11 |
Family
ID=63919134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW107113971A TWI789390B (zh) | 2017-04-26 | 2018-04-25 | 聚乙烯醇系薄膜、偏光膜、偏光板及聚乙烯醇系薄膜之製造方法 |
Country Status (5)
| Country | Link |
|---|---|
| JP (2) | JP7335697B2 (https=) |
| KR (1) | KR102463853B1 (https=) |
| CN (1) | CN110462468B (https=) |
| TW (1) | TWI789390B (https=) |
| WO (1) | WO2018199141A1 (https=) |
Families Citing this family (6)
| 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 |
| CN118900880A (zh) * | 2022-03-22 | 2024-11-05 | 株式会社可乐丽 | 聚乙烯醇膜和其制造方法 |
| CN114889023B (zh) * | 2022-06-02 | 2024-08-23 | 重庆光谱新材料科技有限公司 | 聚乙烯醇系薄膜的制备方法和偏光片 |
| TW202446856A (zh) * | 2023-02-28 | 2024-12-01 | 日商三菱化學股份有限公司 | 聚乙烯醇系薄膜、偏光膜 |
| WO2025063184A1 (ja) * | 2023-09-21 | 2025-03-27 | 三菱ケミカル株式会社 | ポリビニルアルコールフィルム、およびそれを用いた偏光膜、ならびに偏光板、ポリビニルアルコールフィルムの製造方法 |
| WO2025115240A1 (ja) * | 2023-11-30 | 2025-06-05 | 三菱ケミカル株式会社 | ポリビニルアルコール系フィルム、偏光膜 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102834235A (zh) * | 2010-07-02 | 2012-12-19 | 日本合成化学工业株式会社 | 聚乙烯醇系膜、聚乙烯醇系膜的制造方法、偏振膜及偏振片 |
| CN104640912A (zh) * | 2012-09-26 | 2015-05-20 | 株式会社可乐丽 | 聚乙烯醇膜和偏振膜 |
Family Cites Families (17)
| 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 |
| JP4968669B2 (ja) * | 2005-07-28 | 2012-07-04 | 日本合成化学工業株式会社 | 偏光膜用ポリビニルアルコール系フィルム及びそれを用いた偏光膜、偏光板 |
| 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 |
| 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 |
| 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 |
| JP5162695B2 (ja) * | 2010-09-09 | 2013-03-13 | 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 |
| JP6216497B2 (ja) * | 2011-05-30 | 2017-10-18 | 日東電工株式会社 | 位相差層付偏光板 |
| JP2013137357A (ja) * | 2011-12-28 | 2013-07-11 | Konica Minolta Inc | 広幅偏光板、広幅偏光板の製造方法及び液晶表示装置 |
| 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 |
| 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 |
| WO2016084836A1 (ja) * | 2014-11-26 | 2016-06-02 | 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 |
-
2018
- 2018-04-25 TW TW107113971A patent/TWI789390B/zh active
- 2018-04-25 CN CN201880021095.1A patent/CN110462468B/zh active Active
- 2018-04-25 JP JP2018521666A patent/JP7335697B2/ja active Active
- 2018-04-25 WO PCT/JP2018/016754 patent/WO2018199141A1/ja not_active Ceased
- 2018-04-25 KR KR1020197028166A patent/KR102463853B1/ko active Active
-
2023
- 2023-04-07 JP JP2023062602A patent/JP2023083361A/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102834235A (zh) * | 2010-07-02 | 2012-12-19 | 日本合成化学工业株式会社 | 聚乙烯醇系膜、聚乙烯醇系膜的制造方法、偏振膜及偏振片 |
| CN104640912A (zh) * | 2012-09-26 | 2015-05-20 | 株式会社可乐丽 | 聚乙烯醇膜和偏振膜 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPWO2018199141A1 (ja) | 2020-03-12 |
| JP7335697B2 (ja) | 2023-08-30 |
| TW201843049A (zh) | 2018-12-16 |
| CN110462468B (zh) | 2021-10-26 |
| JP2023083361A (ja) | 2023-06-15 |
| WO2018199141A1 (ja) | 2018-11-01 |
| KR20190139854A (ko) | 2019-12-18 |
| KR102463853B1 (ko) | 2022-11-04 |
| CN110462468A (zh) | 2019-11-15 |
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