DE69603953D1 - Verfahren zur reinigung von polyvinylalkohol - Google Patents

Verfahren zur reinigung von polyvinylalkohol

Info

Publication number
DE69603953D1
DE69603953D1 DE69603953T DE69603953T DE69603953D1 DE 69603953 D1 DE69603953 D1 DE 69603953D1 DE 69603953 T DE69603953 T DE 69603953T DE 69603953 T DE69603953 T DE 69603953T DE 69603953 D1 DE69603953 D1 DE 69603953D1
Authority
DE
Germany
Prior art keywords
pct
content
poly
vinyl alcohol
date nov
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 - Fee Related
Application number
DE69603953T
Other languages
English (en)
Other versions
DE69603953T2 (de
Inventor
Jean-Jacques Charrin
Francois Vachet
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.)
Acetex Chimie SAS
Original Assignee
Acetex Chimie SAS
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 Acetex Chimie SAS filed Critical Acetex Chimie SAS
Application granted granted Critical
Publication of DE69603953D1 publication Critical patent/DE69603953D1/de
Publication of DE69603953T2 publication Critical patent/DE69603953T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00—Post-polymerisation treatments
    • C08F6/001—Removal of residual monomers by physical means
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B63/00—Purification; Separation; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F116/00—Homopolymers 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
    • C08F116/02—Homopolymers 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 by an alcohol radical
    • C08F116/04—Acyclic compounds
    • C08F116/06—Polyvinyl alcohol ; Vinyl alcohol
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00—Post-polymerisation treatments
    • C08F6/008—Treatment of solid polymer wetted by water or organic solvents, e.g. coagulum, filter cakes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69603953T 1995-05-05 1996-05-06 Verfahren zur reinigung von polyvinylalkohol Expired - Fee Related DE69603953T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9505893A FR2733756B1 (fr) 1995-05-05 1995-05-05 Procede de purification d'alcool polyvinylique
PCT/FR1996/000686 WO1996034897A1 (fr) 1995-05-05 1996-05-06 Procede de purification d'alcool polyvinylique

Publications (2)

Publication Number Publication Date
DE69603953D1 true DE69603953D1 (de) 1999-09-30
DE69603953T2 DE69603953T2 (de) 2000-01-27

Family

ID=9479111

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69603953T Expired - Fee Related DE69603953T2 (de) 1995-05-05 1996-05-06 Verfahren zur reinigung von polyvinylalkohol

Country Status (12)

Country Link
US (1) US6080814A (de)
EP (1) EP0823917B1 (de)
JP (1) JP3177914B2 (de)
KR (1) KR100296785B1 (de)
CN (1) CN1074424C (de)
AT (1) ATE183755T1 (de)
AU (1) AU5824896A (de)
DE (1) DE69603953T2 (de)
ES (1) ES2138351T3 (de)
FR (1) FR2733756B1 (de)
TR (1) TR199701300T1 (de)
WO (1) WO1996034897A1 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6451967B1 (en) * 1999-09-20 2002-09-17 Nippon Gohsei Kagaku Kogyo Kabushiki Kaisha Method of drying saponified ethylene-vinyl acetate copolymers
EP1179546B8 (de) * 2000-08-07 2006-06-07 Kuraray Co., Ltd. Verfahren zur Herstellung von wässrigen Zusammensetzungen aus Ethylen-Vinylalkohol-Copolymeren
EP1179547B1 (de) * 2000-08-07 2004-11-03 Kuraray Co., Ltd. Verfahren zur Verarbeitung von Lösungen aus Ethylen-Vinylalkohol-Copolymeren
CN101747459B (zh) * 2008-12-02 2011-09-07 卢金永 化学改性聚乙烯醇分散剂的制备方法
KR200487167Y1 (ko) * 2013-10-17 2018-08-16 삼성전자주식회사 보호 커버
TWI522373B (zh) * 2015-01-27 2016-02-21 長春石油化學股份有限公司 聚乙烯醇及其純化方法
JP6942962B2 (ja) * 2015-12-18 2021-09-29 三菱ケミカル株式会社 包装袋およびそれを用いた溶融成形用ポリビニルアルコール系樹脂の保存方法
CN105837710A (zh) * 2016-03-31 2016-08-10 温州小伦包衣技术有限公司 药用聚乙烯醇的制备方法及其药用聚乙烯醇与应用
TWI834601B (zh) * 2016-12-21 2024-03-11 日商三菱化學股份有限公司 聚乙烯醇系樹脂、分散劑及懸浮聚合用分散劑
CN110099931A (zh) * 2016-12-21 2019-08-06 三菱化学株式会社 聚乙烯醇系树脂、分散剂和悬浮聚合用分散剂
CN107151283B (zh) * 2017-05-27 2020-10-27 中国石油化工集团公司 一种光学材料专用聚乙烯醇的制备方法
CN112638953B (zh) * 2018-09-05 2023-11-10 株式会社可乐丽 聚乙烯醇树脂的制造方法和聚乙烯醇树脂
US20240141082A1 (en) * 2021-03-08 2024-05-02 Sekisui Chemical Co., Ltd. Poly(vinyl alcohol) resin
CN114409831A (zh) * 2022-01-02 2022-04-29 浙江尚能实业股份有限公司 一种用于扩散源生产的聚乙烯醇树脂提纯方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB933104A (en) * 1958-12-04 1963-08-08 Kurashiki Rayon Kk Process of and apparatus for purifying polyvinyl alcohol prepared by saponification
FR1360102A (fr) * 1963-06-07 1964-04-30 Air Reduction Améliorations au procédé de traitement de l'alcool polyvinylique
DE1620946B2 (de) * 1965-01-30 1973-07-05 Kuraray Co, Ltd , Kurashiki, Oka yama (Japan) Verfahren zur herstellung von polyvinylalkohol mit niedrigem quellgrad
GB1048120A (en) * 1968-05-20 1966-11-09 Denki Kagaku Kogyo Kk Production of highly saponified polyvinyl alcohol
JPS5217870B2 (de) * 1973-01-31 1977-05-18
JPS5543158A (en) * 1978-09-21 1980-03-26 Nippon Synthetic Chem Ind Co Ltd:The Preparation of polyvinyl alcohol having improved dispersiblity in water
US4731266A (en) * 1981-06-03 1988-03-15 Rhone-Poulenc, S.A. Water-resistant polyvinyl alcohol film and its application to the preparation of gas-impermeable composite articles

Also Published As

Publication number Publication date
JPH11504374A (ja) 1999-04-20
TR199701300T1 (xx) 1998-02-21
DE69603953T2 (de) 2000-01-27
AU5824896A (en) 1996-11-21
EP0823917A1 (de) 1998-02-18
ES2138351T3 (es) 2000-01-01
CN1187826A (zh) 1998-07-15
US6080814A (en) 2000-06-27
JP3177914B2 (ja) 2001-06-18
CN1074424C (zh) 2001-11-07
KR19990008342A (ko) 1999-01-25
WO1996034897A1 (fr) 1996-11-07
FR2733756A1 (fr) 1996-11-08
ATE183755T1 (de) 1999-09-15
EP0823917B1 (de) 1999-08-25
FR2733756B1 (fr) 1997-08-01
KR100296785B1 (ko) 2001-10-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee