JPS647575B2 - - Google Patents

Info

Publication number
JPS647575B2
JPS647575B2 JP9784481A JP9784481A JPS647575B2 JP S647575 B2 JPS647575 B2 JP S647575B2 JP 9784481 A JP9784481 A JP 9784481A JP 9784481 A JP9784481 A JP 9784481A JP S647575 B2 JPS647575 B2 JP S647575B2
Authority
JP
Japan
Prior art keywords
film
polyvinyl alcohol
rolling
polarizing
moisture content
Prior art date
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.)
Expired
Application number
JP9784481A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57212025A (en
Inventor
Nobuo Fukushima
Haruo Hayashida
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.)
Filing date
Publication date
Application filed by Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP9784481A priority Critical patent/JPS57212025A/ja
Publication of JPS57212025A publication Critical patent/JPS57212025A/ja
Publication of JPS647575B2 publication Critical patent/JPS647575B2/ja
Granted legal-status Critical Current

Links

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
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
JP9784481A 1981-06-23 1981-06-23 Orientation of polyvinyl alcohol base film Granted JPS57212025A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9784481A JPS57212025A (en) 1981-06-23 1981-06-23 Orientation of polyvinyl alcohol base film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9784481A JPS57212025A (en) 1981-06-23 1981-06-23 Orientation of polyvinyl alcohol base film

Publications (2)

Publication Number Publication Date
JPS57212025A JPS57212025A (en) 1982-12-27
JPS647575B2 true JPS647575B2 (OSRAM) 1989-02-09

Family

ID=14203024

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9784481A Granted JPS57212025A (en) 1981-06-23 1981-06-23 Orientation of polyvinyl alcohol base film

Country Status (1)

Country Link
JP (1) JPS57212025A (OSRAM)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6010207A (ja) * 1983-06-30 1985-01-19 Mitsui Toatsu Chem Inc 偏光フイルムの製造方法
JP2731813B2 (ja) * 1987-04-17 1998-03-25 住友化学工業株式会社 配向フイルムの製法
JP2632242B2 (ja) * 1990-11-30 1997-07-23 富士写真フイルム株式会社 位相差フィルムの製造方法
JPH08240715A (ja) * 1995-03-03 1996-09-17 Sumitomo Chem Co Ltd 偏光フィルムの製造法
JP4405075B2 (ja) 2000-12-19 2010-01-27 日東電工株式会社 偏光フィルムとその製造方法及びこれを用いた偏光板
JP4149201B2 (ja) * 2002-06-12 2008-09-10 株式会社クラレ 偏光フィルムの製造法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53129265A (en) * 1977-04-18 1978-11-11 Osaka Gouseihin Kk Method for making polyvinyl alchol sheets

Also Published As

Publication number Publication date
JPS57212025A (en) 1982-12-27

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