JPH11315113A5 - - Google Patents

Info

Publication number
JPH11315113A5
JPH11315113A5 JP1999062793A JP6279399A JPH11315113A5 JP H11315113 A5 JPH11315113 A5 JP H11315113A5 JP 1999062793 A JP1999062793 A JP 1999062793A JP 6279399 A JP6279399 A JP 6279399A JP H11315113 A5 JPH11315113 A5 JP H11315113A5
Authority
JP
Japan
Prior art keywords
vinyl acetate
poly
solvent
melt
substantially pure
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.)
Pending
Application number
JP1999062793A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11315113A (ja
Filing date
Publication date
Priority claimed from US09/038,544 external-priority patent/US6054530A/en
Application filed filed Critical
Publication of JPH11315113A publication Critical patent/JPH11315113A/ja
Publication of JPH11315113A5 publication Critical patent/JPH11315113A5/ja
Pending legal-status Critical Current

Links

JP11062793A 1998-03-11 1999-03-10 ポリ（ビニルアルコ―ル）を製造するためのポリ（ビニルアセテ―ト）の連続的製造方法 Pending JPH11315113A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/038,544 US6054530A (en) 1998-03-11 1998-03-11 Continuous process for the preparation of poly(vinyl acetate) for poly(vinyl alcohol) production
US038544 1998-03-11

Publications (2)

Publication Number Publication Date
JPH11315113A JPH11315113A (ja) 1999-11-16
JPH11315113A5 true JPH11315113A5 (https=) 2006-04-20

Family

ID=21900548

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11062793A Pending JPH11315113A (ja) 1998-03-11 1999-03-10 ポリ（ビニルアルコ―ル）を製造するためのポリ（ビニルアセテ―ト）の連続的製造方法

Country Status (7)

Country Link
US (1) US6054530A (https=)
EP (1) EP0942008B1 (https=)
JP (1) JPH11315113A (https=)
DE (1) DE69905208T2 (https=)
ES (1) ES2192352T3 (https=)
SG (1) SG71200A1 (https=)
TW (1) TW470754B (https=)

Families Citing this family (8)

* 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
DE10105656A1 (de) 2001-02-08 2002-08-22 Wacker Polymer Systems Gmbh Verfahren zur Herstellung von Polyvinylalkohol
US9266301B2 (en) 2005-06-30 2016-02-23 Nalco Company Method to adhere and dislodge crepe paper
US9223238B2 (en) * 2013-06-18 2015-12-29 Xerox Corporation Production of latex using a wipe film evaporator
CN103554314B (zh) * 2013-11-08 2015-12-02 安徽皖维集团有限责任公司 一种高纯度聚乙烯醇的生产方法
CN104017116A (zh) * 2014-06-11 2014-09-03 天华化工机械及自动化研究设计院有限公司 聚乙烯醇反应装置
CN106084099B (zh) * 2016-08-17 2018-09-04 中国石化长城能源化工（宁夏）有限公司 一种有效降低聚合精馏能耗和提高操作稳定性的系统装置
EP4638517A1 (en) * 2022-12-21 2025-10-29 Kuraray Co., Ltd. Method for producing vinyl ester-based copolymer

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1301539B (de) * 1966-07-29 1969-08-21 Bayer Ag Verfahren zur Herstellung von verseiften AEthylen-Vinylacetat-Copolymerisaten
US4198265A (en) * 1977-11-30 1980-04-15 The Firestone Tire & Rubber Company Method of removing volatiles from an elastomer
US4338405A (en) * 1980-12-12 1982-07-06 E. I. Du Pont De Nemours And Company Process for continuous controlled alcoholysis of polyvinyl acetate
JPS5894432A (ja) * 1981-11-28 1983-06-04 バスフ　アクチエンゲゼルシヤフト ビニルアルコ−ル重合体から平面状成形体を製造する方法
FR2567894B1 (fr) * 1984-07-18 1986-08-08 Atochem Procede d'hydrolyse de polymeres comportant dans leur chaine un ester d'alcool insature
IT1226303B (it) * 1988-07-26 1990-12-27 Montedipe Spa Processo ed apparato per la devolatilizzazione di soluzioni di polimeri.
US5051222A (en) * 1989-09-01 1991-09-24 Air Products And Chemicals, Inc. Method for making extrudable polyvinyl alcohol compositions
US5028648A (en) * 1990-07-12 1991-07-02 Air Products And Chemicals, Inc. Extrudable polyvinyl alcohol compositions containing thermoplastic polyurethane
US5635568A (en) * 1995-08-17 1997-06-03 Isp Investments Inc. Reactive extrusion process for making mixed salts of polymers containing an anhydride, acid or ester side groups
DE19602901A1 (de) * 1996-01-27 1997-08-07 Hoechst Ag Verfahren zur Herstellung von Polyvinylalkohol

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