CN110791980B - 偏振膜的制造方法及偏振膜的制造装置 - Google Patents

偏振膜的制造方法及偏振膜的制造装置 Download PDF

Info

Publication number: CN110791980B
Authority: CN; China
Prior art keywords: crosslinking; treatment liquid; tank; liquid; crosslinking treatment
Prior art date: 2018-08-02
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.): Active

Application number

CN201910699347.2A

Other languages

English (en)

Chinese (zh)

Other versions

CN110791980A (zh

Inventor

住田幸司

武藤清

徐维廷

郭建生

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Sumitomo Chemical Co Ltd

Original Assignee

Sumitomo Chemical Co Ltd

Priority date (The priority date 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 date listed.)

2018-08-02

Filing date

2019-07-30

Publication date

2023-10-31

2019-07-30 Application filed by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd

2020-02-14 Publication of CN110791980A publication Critical patent/CN110791980A/zh

2023-10-31 Application granted granted Critical

2023-10-31 Publication of CN110791980B publication Critical patent/CN110791980B/zh

Status Active legal-status Critical Current

2039-07-30 Anticipated expiration legal-status Critical

Links

238000004519 manufacturing process Methods 0.000 title claims abstract description 60
238000000034 method Methods 0.000 title claims abstract description 45
239000007788 liquid Substances 0.000 claims abstract description 408
238000011282 treatment Methods 0.000 claims abstract description 377
238000004132 cross linking Methods 0.000 claims abstract description 365
MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Natural products OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims abstract description 246
229920005989 resin Polymers 0.000 claims abstract description 120
239000011347 resin Substances 0.000 claims abstract description 120
239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 119
229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 119
235000006408 oxalic acid Nutrition 0.000 claims abstract description 109
-1 oxalic acid compound Chemical class 0.000 claims abstract description 102
238000004043 dyeing Methods 0.000 claims abstract description 100
XMBWDFGMSWQBCA-UHFFFAOYSA-M iodide Chemical compound [I-] XMBWDFGMSWQBCA-UHFFFAOYSA-M 0.000 claims abstract description 78
239000003431 cross linking reagent Substances 0.000 claims abstract description 69
ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims abstract description 20
229910052740 iodine Inorganic materials 0.000 claims abstract description 20
239000011630 iodine Substances 0.000 claims abstract description 20
230000001678 irradiating effect Effects 0.000 claims abstract description 13
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 86
NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 claims description 39
150000001639 boron compounds Chemical class 0.000 claims description 5
238000004140 cleaning Methods 0.000 description 28
206010042674 Swelling Diseases 0.000 description 26
230000008961 swelling Effects 0.000 description 26
238000002360 preparation method Methods 0.000 description 25
238000001035 drying Methods 0.000 description 19
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
229940039748 oxalate Drugs 0.000 description 11
239000000243 solution Substances 0.000 description 11
KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 8
239000004327 boric acid Substances 0.000 description 8
UAYWVJHJZHQCIE-UHFFFAOYSA-L zinc iodide Chemical compound I[Zn]I UAYWVJHJZHQCIE-UHFFFAOYSA-L 0.000 description 8
MUBZPKHOEPUJKR-UHFFFAOYSA-L Oxalate Chemical compound [O-]C(=O)C([O-])=O MUBZPKHOEPUJKR-UHFFFAOYSA-L 0.000 description 7
239000007864 aqueous solution Substances 0.000 description 7
230000003287 optical effect Effects 0.000 description 7
KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
238000007598 dipping method Methods 0.000 description 6
230000000052 comparative effect Effects 0.000 description 5
238000002156 mixing Methods 0.000 description 5
230000010287 polarization Effects 0.000 description 5
238000003756 stirring Methods 0.000 description 5
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
238000000354 decomposition reaction Methods 0.000 description 4
239000000203 mixture Substances 0.000 description 4
229920002689 polyvinyl acetate Polymers 0.000 description 4
239000011118 polyvinyl acetate Substances 0.000 description 4
JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 4
XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 3
229910021538 borax Inorganic materials 0.000 description 3
150000001875 compounds Chemical class 0.000 description 3
230000001186 cumulative effect Effects 0.000 description 3
PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 3
238000005259 measurement Methods 0.000 description 3
239000000178 monomer Substances 0.000 description 3
GEVPUGOOGXGPIO-UHFFFAOYSA-N oxalic acid;dihydrate Chemical compound O.O.OC(=O)C(O)=O GEVPUGOOGXGPIO-UHFFFAOYSA-N 0.000 description 3
ZDYUUBIMAGBMPY-UHFFFAOYSA-N oxalic acid;hydrate Chemical compound O.OC(=O)C(O)=O ZDYUUBIMAGBMPY-UHFFFAOYSA-N 0.000 description 3
230000002093 peripheral effect Effects 0.000 description 3
239000004328 sodium tetraborate Substances 0.000 description 3
235000010339 sodium tetraborate Nutrition 0.000 description 3
238000002834 transmittance Methods 0.000 description 3
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
229910052783 alkali metal Inorganic materials 0.000 description 2
229910001516 alkali metal iodide Inorganic materials 0.000 description 2
229910052784 alkaline earth metal Inorganic materials 0.000 description 2
229910001619 alkaline earth metal iodide Inorganic materials 0.000 description 2
GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 2
238000010586 diagram Methods 0.000 description 2
LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 2
150000004694 iodide salts Chemical class 0.000 description 2
239000003960 organic solvent Substances 0.000 description 2
BHZRJJOHZFYXTO-UHFFFAOYSA-L potassium sulfite Chemical compound [K+].[K+].[O-]S([O-])=O BHZRJJOHZFYXTO-UHFFFAOYSA-L 0.000 description 2
235000019252 potassium sulphite Nutrition 0.000 description 2
230000001681 protective effect Effects 0.000 description 2
239000002994 raw material Substances 0.000 description 2
238000001228 spectrum Methods 0.000 description 2
238000005507 spraying Methods 0.000 description 2
239000000126 substance Substances 0.000 description 2
238000004804 winding Methods 0.000 description 2
239000011592 zinc chloride Substances 0.000 description 2
235000005074 zinc chloride Nutrition 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 1
SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 1
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical class C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
230000002378 acidificating effect Effects 0.000 description 1
150000003926 acrylamides Chemical class 0.000 description 1
239000000654 additive Substances 0.000 description 1
230000000996 additive effect Effects 0.000 description 1
150000001336 alkenes Chemical class 0.000 description 1
QGZKDVFQNNGYKY-UHFFFAOYSA-O ammonium group Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
VBIXEXWLHSRNKB-UHFFFAOYSA-N ammonium oxalate Chemical compound [NH4+].[NH4+].[O-]C(=O)C([O-])=O VBIXEXWLHSRNKB-UHFFFAOYSA-N 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
235000010338 boric acid Nutrition 0.000 description 1
QXDMQSPYEZFLGF-UHFFFAOYSA-L calcium oxalate Chemical compound [Ca+2].[O-]C(=O)C([O-])=O QXDMQSPYEZFLGF-UHFFFAOYSA-L 0.000 description 1
239000001569 carbon dioxide Substances 0.000 description 1
229910002092 carbon dioxide Inorganic materials 0.000 description 1
150000001735 carboxylic acids Chemical class 0.000 description 1
239000013043 chemical agent Substances 0.000 description 1
229920001577 copolymer Polymers 0.000 description 1
YNQRWVCLAIUHHI-UHFFFAOYSA-L dilithium;oxalate Chemical compound [Li+].[Li+].[O-]C(=O)C([O-])=O YNQRWVCLAIUHHI-UHFFFAOYSA-L 0.000 description 1
IRXRGVFLQOSHOH-UHFFFAOYSA-L dipotassium;oxalate Chemical compound [K+].[K+].[O-]C(=O)C([O-])=O IRXRGVFLQOSHOH-UHFFFAOYSA-L 0.000 description 1
230000000694 effects Effects 0.000 description 1
229940015043 glyoxal Drugs 0.000 description 1
229910052736 halogen Inorganic materials 0.000 description 1
150000002367 halogens Chemical class 0.000 description 1
238000010438 heat treatment Methods 0.000 description 1
229920001519 homopolymer Polymers 0.000 description 1
230000036571 hydration Effects 0.000 description 1
238000006703 hydration reaction Methods 0.000 description 1
238000005470 impregnation Methods 0.000 description 1
230000002401 inhibitory effect Effects 0.000 description 1
229910017053 inorganic salt Inorganic materials 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
UHNWOJJPXCYKCG-UHFFFAOYSA-L magnesium oxalate Chemical compound [Mg+2].[O-]C(=O)C([O-])=O UHNWOJJPXCYKCG-UHFFFAOYSA-L 0.000 description 1
125000005395 methacrylic acid group Chemical group 0.000 description 1
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
150000007522 mineralic acids Chemical class 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
238000010979 pH adjustment Methods 0.000 description 1
239000004014 plasticizer Substances 0.000 description 1
239000004810 polytetrafluoroethylene Substances 0.000 description 1
229920001343 polytetrafluoroethylene Polymers 0.000 description 1
238000007127 saponification reaction Methods 0.000 description 1
239000011734 sodium Substances 0.000 description 1
ZNCPFRVNHGOPAG-UHFFFAOYSA-L sodium oxalate Chemical compound [Na+].[Na+].[O-]C(=O)C([O-])=O ZNCPFRVNHGOPAG-UHFFFAOYSA-L 0.000 description 1
229940039790 sodium oxalate Drugs 0.000 description 1
229910052938 sodium sulfate Inorganic materials 0.000 description 1
235000011152 sodium sulphate Nutrition 0.000 description 1
AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
235000019345 sodium thiosulphate Nutrition 0.000 description 1
150000003460 sulfonic acids Chemical class 0.000 description 1
229920005992 thermoplastic resin Polymers 0.000 description 1
238000011144 upstream manufacturing Methods 0.000 description 1
238000005406 washing Methods 0.000 description 1
DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 description 1

Classifications

- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
- 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
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/06—Coating with compositions not containing macromolecular substances
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
- 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

Engineering & Computer Science (AREA)
Textile Engineering (AREA)
Physics & Mathematics (AREA)
Chemical & Material Sciences (AREA)
Polymers & Plastics (AREA)
Medicinal Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Chemistry (AREA)
Health & Medical Sciences (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Polarising Elements (AREA)
Processes Of Treating Macromolecular Substances (AREA)

CN201910699347.2A 2018-08-02 2019-07-30 偏振膜的制造方法及偏振膜的制造装置 Active CN110791980B (zh)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP2018-145956		2018-08-02
JP2018145956A JP7245619B2 (ja)	2018-08-02	2018-08-02	偏光フィルムの製造方法及び偏光フィルムの製造装置

Publications (2)

Publication Number	Publication Date
CN110791980A CN110791980A (zh)	2020-02-14
CN110791980B true CN110791980B (zh)	2023-10-31

Family

ID=69426998

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CN201910699347.2A Active CN110791980B (zh)	2018-08-02	2019-07-30	偏振膜的制造方法及偏振膜的制造装置

Country Status (2)

Country	Link
JP (1)	JP7245619B2 (ja)
CN (1)	CN110791980B (ja)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP7012891B2 (ja) *	2020-02-07	2022-01-28	住友化学株式会社	偏光フィルムの製造方法
CN114296174A (zh) *	2021-07-14	2022-04-08	住华科技股份有限公司	偏光膜制造方法与***

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2009230131A (ja) *	2008-02-29	2009-10-08	Sumitomo Chemical Co Ltd	偏光フィルムの製造方法、偏光板および光学積層体
JP2018036545A (ja) *	2016-09-01	2018-03-08	日本合成化学工業株式会社	偏光フィルムの製造方法及び偏光フィルム、偏光板

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP6114160B2 (ja) *	2012-10-22	2017-04-12	日東電工株式会社	偏光膜および偏光膜の製造方法
KR101746283B1 (ko)	2015-01-27	2017-06-12	주식회사 엘지화학	편광자의 제조방법 및 이를 이용하여 제조된 편광자
US10114159B2 (en)	2015-01-27	2018-10-30	Lg Chem, Ltd.	Method for manufacturing polarizer and polarizer manufactured by the same

2018
- 2018-08-02 JP JP2018145956A patent/JP7245619B2/ja active Active
2019
- 2019-07-30 CN CN201910699347.2A patent/CN110791980B/zh active Active

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2009230131A (ja) *	2008-02-29	2009-10-08	Sumitomo Chemical Co Ltd	偏光フィルムの製造方法、偏光板および光学積層体
JP2018036545A (ja) *	2016-09-01	2018-03-08	日本合成化学工業株式会社	偏光フィルムの製造方法及び偏光フィルム、偏光板

Also Published As

Publication number	Publication date
CN110791980A (zh)	2020-02-14
JP2020020992A (ja)	2020-02-06
JP7245619B2 (ja)	2023-03-24

Legal Events

Date	Code	Title
2020-02-14	PB01	Publication
2020-02-14	PB01	Publication
2021-06-22	SE01	Entry into force of request for substantive examination
2021-06-22	SE01	Entry into force of request for substantive examination
2023-10-31	GR01	Patent grant
2023-10-31	GR01	Patent grant

Publication	Publication Date	Title
KR102189762B1 (ko)	2020-12-11	편광 필름의 제조 방법
JP4948305B2 (ja)	2012-06-06	偏光フィルム製造薬液の循環使用方法及びシステム
CN110791980B (zh)	2023-10-31	偏振膜的制造方法及偏振膜的制造装置
TWI746615B (zh)	2021-11-21	偏光膜的製造方法、製造裝置及偏光膜
JP2012003173A (ja)	2012-01-05	偏光フィルム及び偏光板の製造方法
KR102226626B1 (ko)	2021-03-12	편광 필름의 제조방법
JP6713372B2 (ja)	2020-06-24	フィルムの処理方法、及び偏光フィルムの製造方法
TW201708858A (zh)	2017-03-01	偏光膜之製造方法
CN107765354B (zh)	2022-09-09	偏振膜的制造方法和制造装置
JP7260266B2 (ja)	2023-04-18	偏光フィルムの製造装置
JP7129766B2 (ja)	2022-09-02	偏光フィルムの製造方法及び製造装置
JP2015092214A (ja)	2015-05-14	偏光フィルムの製造方法
JP7340325B2 (ja)	2023-09-07	偏光フィルムの製造方法及び偏光フィルムの製造装置
JP7082472B2 (ja)	2022-06-08	偏光フィルムの製造装置及び偏光フィルムの製造方法
CN112480460B (zh)	2023-10-31	偏振膜的制造方法和制造装置
JP7469893B2 (ja)	2024-04-17	偏光フィルムの製造方法及び偏光フィルムの製造装置
KR102619783B1 (ko)	2023-12-29	폴리비닐알코올계 수지 필름의 제조 방법
JP2019078888A (ja)	2019-05-23	偏光フィルムの製造方法及び偏光フィルムの製造装置
JP7178812B2 (ja)	2022-11-28	偏光フィルムの製造方法及び製造装置
CN114167539A (zh)	2022-03-11	偏振膜的制造方法和制造装置
JP7120814B2 (ja)	2022-08-17	偏光フィルムの製造装置
TWI822231B (zh)	2023-11-11	偏光材料處理方法及以其處理的回收偏光材料
TWI704383B (zh)	2020-09-11	延伸膜的製造方法及延伸膜的製造裝置
JP2020079952A (ja)	2020-05-28	フィルムの処理方法、及び偏光フィルムの製造方法
JP7419929B2 (ja)	2024-01-23	偏光フィルムの製造方法