KR20230031813A - 폴리비닐알코올 필름, 및 그것을 사용한 광학 필름의 제조 방법 - Google Patents

폴리비닐알코올 필름, 및 그것을 사용한 광학 필름의 제조 방법 Download PDF

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Publication number
KR20230031813A
KR20230031813A KR1020227032969A KR20227032969A KR20230031813A KR 20230031813 A KR20230031813 A KR 20230031813A KR 1020227032969 A KR1020227032969 A KR 1020227032969A KR 20227032969 A KR20227032969 A KR 20227032969A KR 20230031813 A KR20230031813 A KR 20230031813A
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South Korea
Prior art keywords
film
pva
pva film
long period
mass
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KR1020227032969A
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English (en)
Korean (ko)
Inventor
다카시 네리오
미노루 오카모토
사야카 시미즈
오사무 가제토
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주식회사 쿠라레
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Publication of KR20230031813A publication Critical patent/KR20230031813A/ko
Pending legal-status Critical Current

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    • 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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Optics & Photonics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Polarising Elements (AREA)
KR1020227032969A 2020-06-30 2021-06-23 폴리비닐알코올 필름, 및 그것을 사용한 광학 필름의 제조 방법 Pending KR20230031813A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2020-112279 2020-06-30
JP2020112279 2020-06-30
PCT/JP2021/023875 WO2022004535A1 (ja) 2020-06-30 2021-06-23 ポリビニルアルコールフィルム、及びそれを用いた光学フィルムの製造方法

Publications (1)

Publication Number Publication Date
KR20230031813A true KR20230031813A (ko) 2023-03-07

Family

ID=79316181

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020227032969A Pending KR20230031813A (ko) 2020-06-30 2021-06-23 폴리비닐알코올 필름, 및 그것을 사용한 광학 필름의 제조 방법

Country Status (5)

Country Link
JP (1) JP7601875B2 (https=)
KR (1) KR20230031813A (https=)
CN (1) CN115768822A (https=)
TW (1) TWI888588B (https=)
WO (1) WO2022004535A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20250129617A (ko) * 2022-12-28 2025-08-29 주식회사 쿠라레 폴리비닐알코올 필름 및 그 제조 방법

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006188655A (ja) 2004-11-02 2006-07-20 Nippon Synthetic Chem Ind Co Ltd:The ポリビニルアルコール系フィルム、およびその製造方法
WO2013146147A1 (ja) 2012-03-30 2013-10-03 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 (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0328102B1 (en) * 1988-02-10 1993-05-12 Kuraray Co., Ltd. Novel polyvinyl alcohol and process for producing polyvinyl alcohol by hydrolysis catalysed by acids
JP3478533B2 (ja) * 2000-05-12 2003-12-15 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の製造法
JP3976220B2 (ja) * 2000-08-21 2007-09-12 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
JP2006224430A (ja) * 2005-02-17 2006-08-31 Nitto Denko Corp 微小領域分散型ポリビニルアルコール系フィルムの製造方法、微小領域分散型ポリビニルアルコール系フィルム、偏光子の製造方法、偏光子、偏光板、光学フィルムおよび画像表示装置
JP2006225496A (ja) * 2005-02-17 2006-08-31 Nitto Denko Corp 水溶性樹脂フィルム、その製造方法、偏光子、その製造方法、偏光板、光学フィルムおよび画像表示装置
JP2006307058A (ja) * 2005-04-28 2006-11-09 Nippon Synthetic Chem Ind Co Ltd:The ポリビニルアルコール系フィルム、およびその偏光膜、偏光板
KR101544626B1 (ko) * 2007-08-24 2015-08-17 가부시키가이샤 구라레 폴리비닐알코올 필름 및 그 제조법
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
KR102387497B1 (ko) * 2014-12-12 2022-04-15 주식회사 쿠라레 폴리비닐알코올 필름
CN117001908A (zh) * 2015-05-28 2023-11-07 株式会社可乐丽 聚乙烯醇系聚合物膜和其制造方法
JP6805828B2 (ja) * 2015-09-11 2020-12-23 三菱ケミカル株式会社 水溶性フィルム、薬剤包装体及び水溶性フィルムの製造方法
US20180265656A1 (en) * 2015-09-11 2018-09-20 The Nippon Synthetic Chemical Industry Co., Ltd. Water-soluble film, chemical agent package and water-soluble film production method
JP2018135426A (ja) * 2017-02-21 2018-08-30 株式会社クラレ ポリビニルアルコールフィルム及びその製造方法、並びにそれを用いた偏光フィルム
JP6629495B1 (ja) * 2018-06-20 2020-01-15 株式会社クラレ ポリビニルアルコールフィルム、延伸フィルム、偏光フィルム、及びポリビニルアルコールフィルムの製造方法
JP7196535B2 (ja) * 2018-10-30 2022-12-27 三菱ケミカル株式会社 偏光膜製造用ポリビニルアルコール系フィルム、およびそれを用いてなる偏光膜、偏光板

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006188655A (ja) 2004-11-02 2006-07-20 Nippon Synthetic Chem Ind Co Ltd:The ポリビニルアルコール系フィルム、およびその製造方法
WO2013146147A1 (ja) 2012-03-30 2013-10-03 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
TW202206517A (zh) 2022-02-16
TWI888588B (zh) 2025-07-01
JPWO2022004535A1 (https=) 2022-01-06
CN115768822A (zh) 2023-03-07
JP7601875B2 (ja) 2024-12-17
WO2022004535A1 (ja) 2022-01-06

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