GB687736A - Improvements in or relating to substantially shrunk-proof woollen yarn - Google Patents

Improvements in or relating to substantially shrunk-proof woollen yarn

Info

Publication number
GB687736A
GB687736A GB19170/50A GB1917050A GB687736A GB 687736 A GB687736 A GB 687736A GB 19170/50 A GB19170/50 A GB 19170/50A GB 1917050 A GB1917050 A GB 1917050A GB 687736 A GB687736 A GB 687736A
Authority
GB
United Kingdom
Prior art keywords
per cent
acrylonitrile
polymer
fibres
vinyl
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
GB19170/50A
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
Publication of GB687736A publication Critical patent/GB687736A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04—Blended or other yarns or threads containing components made from different materials

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

687,736. Mixed fibre yarns. DU PONT DE NEMOURS & CO., E. I. Aug. 1, 1950 [Aug. 2, 1949], No. 19170/50. Class 120(iii) Shrinkproof yarns comprise wool and from 15 to 40 per cent of staple fibre prepared from an acrylonitrile polymer containing at least 85 per cent acrylonitrile. Polyacrylonitrile fibres may be used, preferably in the proportion of 15 to 30 per cent of the blend; or a co-polymer of acrylonitrile and and up to 15 per cent of vinyl acetate, vinyl chloride, acrylic and methacrylic acids or derivatives and homologues thereof, styrene, methyl vinyl ketone, vinyl pyridines, isobutylene or other polymerizable hydrocarbons may be used, the co-polymer fibres preferably forming from 30 to 40 per cent of the blend. A particular blend contains 30 to 40 per cent of fibres prepared from a copolymer containing 95 per cent acrylonitrile and 5 per cent 2-vinyl pyridine. The acrylonitrile homo-polymer or co-polymer preferably has a molecular weight of from 40,000 to 250,000. The wool and acrylonitrile polymer fibres may be stock blended and then spun into a yarn using the American (modified cotton) spinning system; or slivers of acrylonitrile polymer staple may be combined with wool top on the drawing frame of the American spinning system.
GB19170/50A 1949-08-02 1950-08-01 Improvements in or relating to substantially shrunk-proof woollen yarn Expired GB687736A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US687736XA 1949-08-02 1949-08-02

Publications (1)

Publication Number Publication Date
GB687736A true GB687736A (en) 1953-02-18

Family

ID=22084617

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19170/50A Expired GB687736A (en) 1949-08-02 1950-08-01 Improvements in or relating to substantially shrunk-proof woollen yarn

Country Status (1)

Country Link
GB (1) GB687736A (en)

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