DE2511827A1 - Verfahren zur herstellung von polyvinylalkohol-hohlfasern - Google Patents

Verfahren zur herstellung von polyvinylalkohol-hohlfasern

Info

Publication number
DE2511827A1
DE2511827A1 DE19752511827 DE2511827A DE2511827A1 DE 2511827 A1 DE2511827 A1 DE 2511827A1 DE 19752511827 DE19752511827 DE 19752511827 DE 2511827 A DE2511827 A DE 2511827A DE 2511827 A1 DE2511827 A1 DE 2511827A1
Authority
DE
Germany
Prior art keywords
fibers
fiber
polyvinyl alcohol
coagulated
boric acid
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
DE19752511827
Other languages
German (de)
English (en)
Inventor
Yutaka Hirano
Shuji Kawai
Akio Omori
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
Publication of DE2511827A1 publication Critical patent/DE2511827A1/de
Pending legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/08—Hollow fibre membranes
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/06—Wet spinning methods
    • 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
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/08—Addition of substances to the spinning solution or to the melt for forming hollow filaments
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
DE19752511827 1974-03-25 1975-03-18 Verfahren zur herstellung von polyvinylalkohol-hohlfasern Pending DE2511827A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49033691A JPS50123926A (https=) 1974-03-25 1974-03-25

Publications (1)

Publication Number Publication Date
DE2511827A1 true DE2511827A1 (de) 1975-10-02

Family

ID=12393434

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752511827 Pending DE2511827A1 (de) 1974-03-25 1975-03-18 Verfahren zur herstellung von polyvinylalkohol-hohlfasern

Country Status (4)

Country Link
JP (1) JPS50123926A (https=)
DE (1) DE2511827A1 (https=)
FR (1) FR2265879B1 (https=)
GB (1) GB1469623A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0408378A3 (en) * 1989-07-12 1992-10-21 W.L. Gore & Associates (Uk) Ltd Hydrophilic semi-permeable ptfe membranes and their manufacture

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05261838A (ja) * 1991-09-13 1993-10-12 Dow Corning Corp 中空の中心コアを有する細長い物品及びその製造方法
JP7351822B2 (ja) * 2020-10-02 2023-09-27 株式会社クラレ 中空糸膜、及び中空糸膜の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0408378A3 (en) * 1989-07-12 1992-10-21 W.L. Gore & Associates (Uk) Ltd Hydrophilic semi-permeable ptfe membranes and their manufacture

Also Published As

Publication number Publication date
GB1469623A (en) 1977-04-06
FR2265879A1 (https=) 1975-10-24
JPS50123926A (https=) 1975-09-29
FR2265879B1 (https=) 1977-11-25

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