KR102516147B1 - 폴리비닐알코올계 필름, 편광막 및 편광판, 및 폴리비닐알코올계 필름의 제조 방법 - Google Patents

폴리비닐알코올계 필름, 편광막 및 편광판, 및 폴리비닐알코올계 필름의 제조 방법 Download PDF

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Publication number
KR102516147B1
KR102516147B1 KR1020197027182A KR20197027182A KR102516147B1 KR 102516147 B1 KR102516147 B1 KR 102516147B1 KR 1020197027182 A KR1020197027182 A KR 1020197027182A KR 20197027182 A KR20197027182 A KR 20197027182A KR 102516147 B1 KR102516147 B1 KR 102516147B1
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South Korea
Prior art keywords
film
polyvinyl alcohol
based film
birefringence
polarizing
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Korean (ko)
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KR20190139845A (ko
Inventor
토시히로 시미즈
슈이치 키타무라
유우이치 테라모토
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미쯔비시 케미컬 주식회사
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    • 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
    • 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
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Optics & Photonics (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Polarising Elements (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Moulding By Coating Moulds (AREA)
KR1020197027182A 2017-04-26 2018-04-25 폴리비닐알코올계 필름, 편광막 및 편광판, 및 폴리비닐알코올계 필름의 제조 방법 Active KR102516147B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2017-086844 2017-04-26
JP2017086844 2017-04-26
PCT/JP2018/016752 WO2018199139A1 (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
KR20190139845A KR20190139845A (ko) 2019-12-18
KR102516147B1 true KR102516147B1 (ko) 2023-03-30

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KR1020197027182A Active KR102516147B1 (ko) 2017-04-26 2018-04-25 폴리비닐알코올계 필름, 편광막 및 편광판, 및 폴리비닐알코올계 필름의 제조 방법

Country Status (5)

Country Link
JP (2) JP7335699B2 (https=)
KR (1) KR102516147B1 (https=)
CN (1) CN110431456B (https=)
TW (1) TWI748089B (https=)
WO (1) WO2018199139A1 (https=)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021076837A (ja) * 2019-11-01 2021-05-20 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の製造方法、およびそれにより得られたポリビニルアルコール系フィルムを用いた偏光膜ならびに偏光板
JPWO2022202861A1 (https=) * 2021-03-24 2022-09-29
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 (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012128144A (ja) 2010-12-15 2012-07-05 Nitto Denko Corp 光学フィルムの製造方法

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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
JP4433462B2 (ja) * 2004-05-12 2010-03-17 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
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
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
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
WO2013137056A1 (ja) * 2012-03-15 2013-09-19 株式会社クラレ エチレン変性ポリビニルアルコール系重合体フィルム
KR101463799B1 (ko) * 2012-03-22 2014-11-20 에스케이씨 주식회사 폴리비닐알코올계 중합체 필름 및 이의 제조방법
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

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Publication number Priority date Publication date Assignee Title
JP2012128144A (ja) 2010-12-15 2012-07-05 Nitto Denko Corp 光学フィルムの製造方法

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Publication number Publication date
JP2023083359A (ja) 2023-06-15
KR20190139845A (ko) 2019-12-18
WO2018199139A1 (ja) 2018-11-01
CN110431456A (zh) 2019-11-08
TW201841717A (zh) 2018-12-01
JP7335699B2 (ja) 2023-08-30
JPWO2018199139A1 (ja) 2020-03-12
TWI748089B (zh) 2021-12-01
CN110431456B (zh) 2021-10-26

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