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TWI799607B - Polyvinyl alcohol film, polarizing film and manufacturing methods thereof, and film roll - Google Patents

Polyvinyl alcohol film, polarizing film and manufacturing methods thereof, and film roll Download PDF

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Publication number
TWI799607B
TWI799607B TW108122553A TW108122553A TWI799607B TW I799607 B TWI799607 B TW I799607B TW 108122553 A TW108122553 A TW 108122553A TW 108122553 A TW108122553 A TW 108122553A TW I799607 B TWI799607 B TW I799607B
Authority
TW
Taiwan
Prior art keywords
film
polyvinyl alcohol
manufacturing methods
roll
polarizing
Prior art date
Application number
TW108122553A
Other languages
Chinese (zh)
Other versions
TW202005992A (en
Inventor
風藤修
Original Assignee
日商可樂麗股份有限公司
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.)
Filing date
Publication date
Application filed by 日商可樂麗股份有限公司 filed Critical 日商可樂麗股份有限公司
Publication of TW202005992A publication Critical patent/TW202005992A/en
Application granted granted Critical
Publication of TWI799607B publication Critical patent/TWI799607B/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/24Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length
    • B29C41/26Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length by depositing flowable material on a rotating drum
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L29/00Compositions 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; Compositions of hydrolysed polymers of esters of unsaturated alcohols with saturated carboxylic acids; Compositions of derivatives of such polymers
    • C08L29/02Homopolymers or copolymers of unsaturated alcohols
    • C08L29/04Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/04Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • G02B5/3025Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
    • G02B5/3033Polarisers, 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2329/00Characterised 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
    • C08J2329/02Homopolymers or copolymers of unsaturated alcohols
    • C08J2329/04Polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated alcohols with saturated carboxylic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Materials 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)
  • Compositions Of Macromolecular Compounds (AREA)
TW108122553A 2018-06-29 2019-06-27 Polyvinyl alcohol film, polarizing film and manufacturing methods thereof, and film roll TWI799607B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-124030 2018-06-29
JP2018124030 2018-06-29

Publications (2)

Publication Number Publication Date
TW202005992A TW202005992A (en) 2020-02-01
TWI799607B true TWI799607B (en) 2023-04-21

Family

ID=68986782

Family Applications (1)

Application Number Title Priority Date Filing Date
TW108122553A TWI799607B (en) 2018-06-29 2019-06-27 Polyvinyl alcohol film, polarizing film and manufacturing methods thereof, and film roll

Country Status (5)

Country Link
JP (1) JP7308195B2 (en)
KR (1) KR102749629B1 (en)
CN (1) CN112292624B (en)
TW (1) TWI799607B (en)
WO (1) WO2020004608A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115803375A (en) * 2020-06-29 2023-03-14 株式会社可乐丽 Water-soluble film and package
US20230257491A1 (en) * 2020-06-30 2023-08-17 Kuraray Co., Ltd. Vinyl acetate, vinyl acetate polymer, and vinyl alcohol polymer
CN119912775A (en) * 2020-10-15 2025-05-02 株式会社可乐丽 Polyvinyl alcohol resin film, method for distinguishing polyvinyl alcohol resin film, and method for producing polyvinyl alcohol resin film
JPWO2022092038A1 (en) * 2020-10-28 2022-05-05
KR20230098570A (en) * 2020-11-09 2023-07-04 주식회사 쿠라레 Film for manufacturing optical film, method for manufacturing optical film, and optical film
WO2025134969A1 (en) * 2023-12-19 2025-06-26 株式会社クラレ Water-soluble film and package

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1300788A (en) * 1999-11-18 2001-06-27 可乐丽股份有限公司 Ethylene-vinyl acetate copolymer saponified material containing alkoxyl and formed products therefrom
JP2009221462A (en) * 2008-02-19 2009-10-01 Kuraray Co Ltd Vinyl alcohol-based polymer film
TW201141882A (en) * 2010-04-20 2011-12-01 Kuraray Co Polyvinyl alcohol-based polymer film

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4864196B2 (en) * 1999-11-18 2012-02-01 株式会社クラレ Alkoxyl group-containing ethylene-vinyl acetate copolymer saponified product and molded product thereof
JP2003207625A (en) 2002-01-10 2003-07-25 Fuji Photo Film Co Ltd Polarizing film and method for manufacturing the same
DE60301644T2 (en) * 2002-07-11 2006-06-29 KURARAY CO., LTD, Kurashiki Polyvinyl alcohol and process for producing polyvinyl alcohol
JP4836459B2 (en) * 2005-01-17 2011-12-14 日本合成化学工業株式会社 Method for producing polyvinyl alcohol film and polyvinyl alcohol film
JP4794206B2 (en) * 2005-04-28 2011-10-19 日本合成化学工業株式会社 Polyvinyl alcohol film and polarizing film and polarizing plate using the same
US20090306361A1 (en) * 2005-12-12 2009-12-10 Konica Minolta Opto, Inc. Process for producing cellulose ester film, cellulose ester film, polarization plate and display unit
CN101528817B (en) * 2006-07-27 2012-11-28 日本合成化学工业株式会社 Polyvinyl alcohol-based film for optical uses and polarizing membrane and polarizing plate
JP2008292935A (en) 2007-05-28 2008-12-04 Nitto Denko Corp Manufacturing method of polarizing film
JP6100167B2 (en) * 2012-03-30 2017-03-22 株式会社クラレ POLYVINYL ALCOHOL POLYMER FILM AND POLARIZING FILM
KR102018163B1 (en) * 2013-02-07 2019-09-04 제이에스알 가부시끼가이샤 Liquid crystal aligning agent, liquid crystal alignment film, and liquid crystal display device and menufacturing method thereof
US9751968B2 (en) * 2013-09-13 2017-09-05 Kuraray Co., Ltd. Vinyl alcohol polymer, thickening agent, stabilizer for emulsion polymerization, stabilizer for suspension polymerization, coating agent, coated article, sizing agent for fibers, sized yarn, and production method of textile
JP6685661B2 (en) 2015-06-12 2020-04-22 株式会社クラレ Polarizing film manufacturing method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1300788A (en) * 1999-11-18 2001-06-27 可乐丽股份有限公司 Ethylene-vinyl acetate copolymer saponified material containing alkoxyl and formed products therefrom
JP2009221462A (en) * 2008-02-19 2009-10-01 Kuraray Co Ltd Vinyl alcohol-based polymer film
TW201141882A (en) * 2010-04-20 2011-12-01 Kuraray Co Polyvinyl alcohol-based polymer film

Also Published As

Publication number Publication date
JP7308195B2 (en) 2023-07-13
JPWO2020004608A1 (en) 2021-08-05
KR102749629B1 (en) 2025-01-02
WO2020004608A1 (en) 2020-01-02
CN112292624B (en) 2022-10-11
KR20210024130A (en) 2021-03-04
TW202005992A (en) 2020-02-01
CN112292624A (en) 2021-01-29

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