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ES398255A2 - Process for acrylic fibers of improved properties - Google Patents

Process for acrylic fibers of improved properties

Info

Publication number
ES398255A2
ES398255A2 ES398255A ES398255A ES398255A2 ES 398255 A2 ES398255 A2 ES 398255A2 ES 398255 A ES398255 A ES 398255A ES 398255 A ES398255 A ES 398255A ES 398255 A2 ES398255 A2 ES 398255A2
Authority
ES
Spain
Prior art keywords
improved properties
acrylic fibers
relaxing
relaxation
january
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
ES398255A
Other languages
Spanish (es)
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.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid Co
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 American Cyanamid Co filed Critical American Cyanamid Co
Publication of ES398255A2 publication Critical patent/ES398255A2/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
    • D01F6/18—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 nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
    • 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
    • D01F6/28—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D01F6/38—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds comprising unsaturated nitriles as the major constituent

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Artificial Filaments (AREA)

Abstract

Improvements introduced in the object of the main patent no. 387,774, filed on january 29, 1971 by: process for the preparation of acrylic polymer fibers, characterized in that they comprise thermo-relaxing the stretched filaments before drying but after stretching, said heat-relaxation being carried out in hot water or steam. (Machine-translation by Google Translate, not legally binding)
ES398255A 1971-01-29 1971-12-22 Process for acrylic fibers of improved properties Expired ES398255A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP344371A JPS5323409B1 (en) 1971-01-29 1971-01-29

Publications (1)

Publication Number Publication Date
ES398255A2 true ES398255A2 (en) 1977-11-01

Family

ID=11557478

Family Applications (1)

Application Number Title Priority Date Filing Date
ES398255A Expired ES398255A2 (en) 1971-01-29 1971-12-22 Process for acrylic fibers of improved properties

Country Status (4)

Country Link
US (1) US3737507A (en)
JP (1) JPS5323409B1 (en)
CA (1) CA968517A (en)
ES (1) ES398255A2 (en)

Also Published As

Publication number Publication date
US3737507A (en) 1973-06-05
CA968517A (en) 1975-06-03
JPS5323409B1 (en) 1978-07-14

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Legal Events

Date Code Title Description
FD2A Announcement of lapse in spain

Effective date: 20170704