UST958007I4 - Process for spinning acrylic fibers - Google Patents

Process for spinning acrylic fibers Download PDF

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Publication number
UST958007I4
UST958007I4 US05/696,914 US69691476A UST958007I4 US T958007 I4 UST958007 I4 US T958007I4 US 69691476 A US69691476 A US 69691476A US T958007 I4 UST958007 I4 US T958007I4
Authority
US
United States
Prior art keywords
weight
fibers
units
draw
wash
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
US05/696,914
Inventor
Winston James Roberts
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and 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 EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Priority to US05/696,914 priority Critical patent/UST958007I4/en
Application granted granted Critical
Publication of UST958007I4 publication Critical patent/UST958007I4/en
Pending 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
    • D01F6/40—Modacrylic fibres, i.e. containing 35 to 85% acrylonitrile

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

fibers of a polymer containing at least 40% by weight of acrylonitrile units, at least 15% by weight of vinyl chloride units and at least 1% by weight of units of an ethylenically unsaturated sulfonate salt compound which have improved dye yield and luster stability are prepared by dry-spinning fibers of the polymer in an organic solvent and wash-drawing the fibers at a draw ratio of at least 2.2X in an aqueous bath maintained at an elevated temperature, thereby reducing the solvent content of the fiber to less than 3.5% by weight of the fiber. The wash-draw step may be carried out in one or more stages and preferably in at least two stages, the first of which involves a draw of 1.15-1.5X at 40°-60° C. Drying is preferably carried out by subjecting relatively wet fibers (80% moisture) to a high temperature (about 150° C).
US05/696,914 1976-06-17 1976-06-17 Process for spinning acrylic fibers Pending UST958007I4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/696,914 UST958007I4 (en) 1976-06-17 1976-06-17 Process for spinning acrylic fibers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/696,914 UST958007I4 (en) 1976-06-17 1976-06-17 Process for spinning acrylic fibers

Publications (1)

Publication Number Publication Date
UST958007I4 true UST958007I4 (en) 1977-05-03

Family

ID=24799042

Family Applications (1)

Application Number Title Priority Date Filing Date
US05/696,914 Pending UST958007I4 (en) 1976-06-17 1976-06-17 Process for spinning acrylic fibers

Country Status (1)

Country Link
US (1) UST958007I4 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3278683A4 (en) * 2015-03-30 2018-11-21 Kaneka Corporation Acrylic fiber for artificial hair, method for producing same, and head decoration product comprising same
US10433605B2 (en) 2015-06-26 2019-10-08 Kaneka Corporation Acrylic fiber for artificial hair, manufacturing method therefor and head accessory containing same

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3278683A4 (en) * 2015-03-30 2018-11-21 Kaneka Corporation Acrylic fiber for artificial hair, method for producing same, and head decoration product comprising same
US10477908B2 (en) 2015-03-30 2019-11-19 Kaneka Corporation Acrylic fiber for artificial hair, method for producing same, and head decoration product comprising same
US10433605B2 (en) 2015-06-26 2019-10-08 Kaneka Corporation Acrylic fiber for artificial hair, manufacturing method therefor and head accessory containing same

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