DE2335275A1 - Verfahren zur herstellung von faserfoermigem polyvinylalkohol - Google Patents

Verfahren zur herstellung von faserfoermigem polyvinylalkohol

Info

Publication number
DE2335275A1
DE2335275A1 DE19732335275 DE2335275A DE2335275A1 DE 2335275 A1 DE2335275 A1 DE 2335275A1 DE 19732335275 DE19732335275 DE 19732335275 DE 2335275 A DE2335275 A DE 2335275A DE 2335275 A1 DE2335275 A1 DE 2335275A1
Authority
DE
Germany
Prior art keywords
saponification
fibrous
pva
solution
polyvinyl alcohol
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
DE19732335275
Other languages
German (de)
English (en)
Inventor
Hiroshi Iwasaki
Shigetaka Iwata
Masao Oura
Makoto Shiraishi
Toshiaki Tokuda
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.)
Kuraray Co Ltd
Original Assignee
Kuraray 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
Priority claimed from JP47069790A external-priority patent/JPS4926520A/ja
Priority claimed from JP7797172A external-priority patent/JPS4931917A/ja
Application filed by Kuraray Co Ltd filed Critical Kuraray Co Ltd
Publication of DE2335275A1 publication Critical patent/DE2335275A1/de
Pending legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/14—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polymers of unsaturated alcohols, e.g. polyvinyl alcohol, or of their acetals or ketals
    • 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
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/12—Hydrolysis

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
DE19732335275 1972-07-11 1973-07-11 Verfahren zur herstellung von faserfoermigem polyvinylalkohol Pending DE2335275A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP47069790A JPS4926520A (enrdf_load_stackoverflow) 1972-07-11 1972-07-11
JP7797172A JPS4931917A (enrdf_load_stackoverflow) 1972-08-03 1972-08-03

Publications (1)

Publication Number Publication Date
DE2335275A1 true DE2335275A1 (de) 1974-01-31

Family

ID=26410956

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19732335275 Pending DE2335275A1 (de) 1972-07-11 1973-07-11 Verfahren zur herstellung von faserfoermigem polyvinylalkohol

Country Status (3)

Country Link
DE (1) DE2335275A1 (enrdf_load_stackoverflow)
FR (1) FR2192195B1 (enrdf_load_stackoverflow)
GB (1) GB1426337A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10242416A1 (de) * 2002-09-12 2004-03-25 Wacker Polymer Systems Gmbh & Co. Kg Verfahren zur Herstellung von Polyvinylalkohol

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6716930B2 (en) 2000-08-07 2004-04-06 Kuraray Co., Ltd. Method for processing ethylene-vinyl alcohol copolymer solution

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB848787A (en) * 1958-04-30 1960-09-21 Kurashiki Rayon Kk A method of and an apparatus for continuous saponification of vinyl ester polymers
US3072624A (en) * 1959-12-29 1963-01-08 Kurashiki Rayon Co Saponification process for preparation of polyvinyl alcohol
AU1637770A (en) * 1969-07-29 1971-12-23 Borden, Inc Continuous process for the hydrolysis of high solids solutions of polyvinyl esters

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10242416A1 (de) * 2002-09-12 2004-03-25 Wacker Polymer Systems Gmbh & Co. Kg Verfahren zur Herstellung von Polyvinylalkohol
DE10242416B4 (de) * 2002-09-12 2007-08-09 Wacker Polymer Systems Gmbh & Co. Kg Verfahren zur Herstellung von Polyvinylalkohol

Also Published As

Publication number Publication date
FR2192195B1 (enrdf_load_stackoverflow) 1976-05-07
GB1426337A (en) 1976-02-25
FR2192195A1 (enrdf_load_stackoverflow) 1974-02-08

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