ES344498A1 - Production of acrylic synthetic fibers - Google Patents

Production of acrylic synthetic fibers

Info

Publication number
ES344498A1
ES344498A1 ES344498A ES344498A ES344498A1 ES 344498 A1 ES344498 A1 ES 344498A1 ES 344498 A ES344498 A ES 344498A ES 344498 A ES344498 A ES 344498A ES 344498 A1 ES344498 A1 ES 344498A1
Authority
ES
Spain
Prior art keywords
filaments
acrylonitrile
drying
subjecting
weight
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
ES344498A
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 ES344498A1 publication Critical patent/ES344498A1/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
    • D01F6/28—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)
  • Artificial Filaments (AREA)

Abstract

Filaments of polyacrylonitrile, or a copolymer of at least 91% by weight of acrylonitrile with one or more ethylenically unsaturated monomers copolymerizable therewith, having a high degree of whiteness and being well compacted and densified, are prepared by subjecting wet spun filaments to washing, stretching, and orientation steps, these operations being carried out without drying the filaments and while they are still in a swollen gel state, and then subjecting the filaments containing at least 40% of their weight of water, to a wet-heat relaxation treatment in hot water or steam at 60-100 C. in the non-tensioned state, and then drying the thus treated filaments under temperature and humidity conditions lying on or within the boundaries of the area HIJK of Fig. 1. Preferably the relaxation treatment is carried out for a period of from 5 to 15 minutes. Examples of monomers copolymerizable with acrylonitrile are methyl acrylate, vinyl acetate, allyl sulphonic acid, vinylidene chloride, and diethylaminoethylmethacrylate.
ES344498A 1966-08-27 1967-08-26 Production of acrylic synthetic fibers Expired ES344498A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP41056606A JPS503411B1 (en) 1966-08-27 1966-08-27

Publications (1)

Publication Number Publication Date
ES344498A1 true ES344498A1 (en) 1968-12-16

Family

ID=13031874

Family Applications (1)

Application Number Title Priority Date Filing Date
ES344498A Expired ES344498A1 (en) 1966-08-27 1967-08-26 Production of acrylic synthetic fibers

Country Status (7)

Country Link
US (1) US3451140A (en)
JP (1) JPS503411B1 (en)
BR (1) BR6792368D0 (en)
DE (1) DE1669464A1 (en)
ES (1) ES344498A1 (en)
GB (1) GB1161939A (en)
NL (1) NL6711735A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864447A (en) * 1966-10-17 1975-02-04 Japan Exlan Co Ltd Method of producing acrylic composite fibers
US3862288A (en) * 1971-08-12 1975-01-21 Continental Can Co Creep stabilization of plastic articles
GB1408175A (en) * 1971-11-20 1975-10-01 Mitsubishi Rayon Co Acrylic fibrous material and sheet made therefrom and process for manufacturing same
US4091066A (en) * 1976-07-04 1978-05-23 Japan Exlan Company Limited Process for producing flame retardant acrylic fibers with improved properties
DE3926169A1 (en) * 1989-08-08 1991-02-14 Basf Ag METHOD FOR IMPROVING THE WATER CAPACITY OF CROSSLINKED, WATER-SWELLABLE POLYMERS
CN110579097A (en) * 2019-09-03 2019-12-17 张家港欣阳化纤有限公司 Polyester filament drying device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2984912A (en) * 1958-08-14 1961-05-23 American Cyanamid Co Art of producing filamentary polyacrylonitrile
US3101245A (en) * 1960-08-18 1963-08-20 American Cyanamid Co Production of polyacrylonitrile fibers
NL282183A (en) * 1961-12-18

Also Published As

Publication number Publication date
DE1669464A1 (en) 1970-03-12
BR6792368D0 (en) 1973-08-09
US3451140A (en) 1969-06-24
JPS503411B1 (en) 1975-02-04
GB1161939A (en) 1969-08-20
NL6711735A (en) 1968-02-28

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