JPS5221421A - Process for producing dried hollow polyvinyl alcohol fibers - Google Patents

Process for producing dried hollow polyvinyl alcohol fibers

Info

Publication number
JPS5221421A
JPS5221421A JP9829375A JP9829375A JPS5221421A JP S5221421 A JPS5221421 A JP S5221421A JP 9829375 A JP9829375 A JP 9829375A JP 9829375 A JP9829375 A JP 9829375A JP S5221421 A JPS5221421 A JP S5221421A
Authority
JP
Japan
Prior art keywords
polyvinyl alcohol
alcohol fibers
producing dried
dried hollow
hollow polyvinyl
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.)
Granted
Application number
JP9829375A
Other languages
Japanese (ja)
Other versions
JPS5825765B2 (en
Inventor
Kazuhisa Yamauchi
Koichi Takakura
Akio Omori
Shuji Kawai
Yoshiaki Fujimoto
Kyoichi Miyazaki
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
Application filed by Kuraray Co Ltd filed Critical Kuraray Co Ltd
Priority to JP9829375A priority Critical patent/JPS5825765B2/en
Publication of JPS5221421A publication Critical patent/JPS5221421A/en
Publication of JPS5825765B2 publication Critical patent/JPS5825765B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Separation Using Semi-Permeable Membranes (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Artificial Filaments (AREA)
  • Chemical Treatment Of Fibers During Manufacturing Processes (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

PURPOSE: To obtain fibers with improved permeability and mechanical strength by crosslinking hollow fibers based on polyvinyl alcohol with a polyvalent aldehyde in a reaction medium, treating them hot water and then treating them in a wet state with a water-miscible organic solvent.
COPYRIGHT: (C)1977,JPO&Japio
JP9829375A 1975-08-13 1975-08-13 polyvinyl alcohol Expired JPS5825765B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9829375A JPS5825765B2 (en) 1975-08-13 1975-08-13 polyvinyl alcohol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9829375A JPS5825765B2 (en) 1975-08-13 1975-08-13 polyvinyl alcohol

Publications (2)

Publication Number Publication Date
JPS5221421A true JPS5221421A (en) 1977-02-18
JPS5825765B2 JPS5825765B2 (en) 1983-05-30

Family

ID=14215867

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9829375A Expired JPS5825765B2 (en) 1975-08-13 1975-08-13 polyvinyl alcohol

Country Status (1)

Country Link
JP (1) JPS5825765B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5421970A (en) * 1977-07-20 1979-02-19 Nitto Electric Ind Co Ltd Membrane excellent in hot water resistance
JPS5551818A (en) * 1978-10-11 1980-04-15 Kuraray Co Ltd Production of polyvinyl alcohol hollow fiber with high dimensional stability
JPS585344A (en) * 1981-07-01 1983-01-12 Ube Ind Ltd Production of modified polyimide membrane
US4385094A (en) * 1979-04-30 1983-05-24 Kuraray Co., Ltd. Ethylene-vinyl alcohol hollow fiber membrane and method for the production thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5421970A (en) * 1977-07-20 1979-02-19 Nitto Electric Ind Co Ltd Membrane excellent in hot water resistance
JPS5634129B2 (en) * 1977-07-20 1981-08-08
JPS5551818A (en) * 1978-10-11 1980-04-15 Kuraray Co Ltd Production of polyvinyl alcohol hollow fiber with high dimensional stability
JPS6130043B2 (en) * 1978-10-11 1986-07-10 Kuraray Co
US4385094A (en) * 1979-04-30 1983-05-24 Kuraray Co., Ltd. Ethylene-vinyl alcohol hollow fiber membrane and method for the production thereof
JPS585344A (en) * 1981-07-01 1983-01-12 Ube Ind Ltd Production of modified polyimide membrane
JPS6252604B2 (en) * 1981-07-01 1987-11-06 Ube Industries

Also Published As

Publication number Publication date
JPS5825765B2 (en) 1983-05-30

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