GB1426337A - Process for preparing fibrous polyvinyl alcohol - Google Patents

Process for preparing fibrous polyvinyl alcohol

Info

Publication number
GB1426337A
GB1426337A GB3234373A GB3234373A GB1426337A GB 1426337 A GB1426337 A GB 1426337A GB 3234373 A GB3234373 A GB 3234373A GB 3234373 A GB3234373 A GB 3234373A GB 1426337 A GB1426337 A GB 1426337A
Authority
GB
United Kingdom
Prior art keywords
reactor
stick
stretching
polyvinyl alcohol
mixture
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
GB3234373A
Other languages
English (en)
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 GB1426337A publication Critical patent/GB1426337A/en
Expired 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)
GB3234373A 1972-07-11 1973-07-06 Process for preparing fibrous polyvinyl alcohol Expired GB1426337A (en)

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
GB1426337A true GB1426337A (en) 1976-02-25

Family

ID=26410956

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3234373A Expired GB1426337A (en) 1972-07-11 1973-07-06 Process for preparing fibrous polyvinyl alcohol

Country Status (3)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1179547B1 (en) * 2000-08-07 2004-11-03 Kuraray Co., Ltd. Method for processing ethylene-vinyl alcohol copolymer solution
DE10242416B4 (de) * 2002-09-12 2007-08-09 Wacker Polymer Systems Gmbh & Co. Kg Verfahren zur Herstellung von Polyvinylalkohol

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
GB1311187A (en) * 1969-07-29 1973-03-21 Borden Inc Continuous process for the hydrolysis of high solids solution of polyvinyl esters

Also Published As

Publication number Publication date
FR2192195B1 (enrdf_load_stackoverflow) 1976-05-07
FR2192195A1 (enrdf_load_stackoverflow) 1974-02-08
DE2335275A1 (de) 1974-01-31

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed