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GB1061774A - Self-crimping synthetic fibres - Google Patents

Self-crimping synthetic fibres

Info

Publication number
GB1061774A
GB1061774A GB12118/64A GB1211864A GB1061774A GB 1061774 A GB1061774 A GB 1061774A GB 12118/64 A GB12118/64 A GB 12118/64A GB 1211864 A GB1211864 A GB 1211864A GB 1061774 A GB1061774 A GB 1061774A
Authority
GB
United Kingdom
Prior art keywords
fibres
temperature
fibre
filaments
critical draw
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
GB12118/64A
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak 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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB1061774A publication Critical patent/GB1061774A/en
Expired 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
    • D01D5/22—Formation of filaments, threads, or the like with a crimped or curled structure; with a special structure to simulate wool
    • 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
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02J—FINISHING OR DRESSING OF FILAMENTS, YARNS, THREADS, CORDS, ROPES OR THE LIKE
    • D02J1/00—Modifying the structure or properties resulting from a particular structure; Modifying, retaining, or restoring the physical form or cross-sectional shape, e.g. by use of dies or squeeze rollers
    • D02J1/22—Stretching or tensioning, shrinking or relaxing, e.g. by use of overfeed and underfeed apparatus, or preventing stretch
    • D02J1/223—Stretching in a liquid bath

Landscapes

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

Abstract

A process for producing a synthetic textile fibre having a three-dimensional, random crimp comprises drawing a pre-spun, unoriented fibre composed of a linear, high molecular weight polyester fibre-forming polymer in a liquid which is a non-solvent for the polymer and maintained at a temperature below the critical draw temperature of the polymer and thereafter heating the fibre in the absence of tension, whereby built-in stresses, resulting from the drawing of the polymeric material in said liquid are released and three-dimensional, random crimping of the fibre occurs. The critical draw temperature is defined as the maximum temperature at which a thermoplastic material can be drawn to produce filaments that curl up or crimp in a truly random, three-dimensional manner upon release of tension from the filamentary material after drawing and during a subsequent heat treating or heat setting step. This temperature varies for different thermoplastic materials. Thus for polyethylene terephthalate, the critical draw temperature is about 25 DEG C., and such filaments are preferably drawn at a temperature of 1 DEG C. to 25 DEG C., especially 1 DEG C. to 10 DEG C. Similarly, the critical draw temperature for polyesters derived from 1,4-cyclohexane dimethanol, e.g. poly (1,4-cyclohexylene, dimethylene terephthalate) is about 80 DEG C. and such filaments are preferably drawn at from 50 DEG C. to 80 DEG C., especially from 60 DEG C. to 70 DEG C. After drawing, the fibres are heated, suitably to a temperature within the range of 125 DEG C. to 225 DEG C. If desired, the filament tow, after drawing, may be cut into staple fibres which are then subjected to the heat treatment. Examples 1-4 relate to the treatment of polyethylene terephthalate fibres; Example 5 relates to the treatment of poly (1,4-cyclohexylene dimethylene terephthalate fibres. Crimped fibres so made be used as filling materials for pillows, for the formation of bats and in staple form for the manufacture of spun yarn either alone or in admixture with other textile fibres, e.g. cellulose acetate, viscose, acrylic fibres, cotton, wool and other natural and synthetic p fibres.
GB12118/64A 1963-03-22 1964-03-23 Self-crimping synthetic fibres Expired GB1061774A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US267268A US3188714A (en) 1963-03-22 1963-03-22 Process of producing self-crimping fibers

Publications (1)

Publication Number Publication Date
GB1061774A true GB1061774A (en) 1967-03-15

Family

ID=23018051

Family Applications (1)

Application Number Title Priority Date Filing Date
GB12118/64A Expired GB1061774A (en) 1963-03-22 1964-03-23 Self-crimping synthetic fibres

Country Status (3)

Country Link
US (1) US3188714A (en)
FR (1) FR1386818A (en)
GB (1) GB1061774A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984002357A1 (en) * 1982-12-17 1984-06-21 Schweizerische Viscose Crimped polyester yarn based on a partially orientated, cold drawn polyester yarn and manufacturing process thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3458986A (en) * 1968-04-12 1969-08-05 Eastman Kodak Co Composite yarn
DE1928243B2 (en) * 1969-06-03 1974-05-09 Farbwerke Hoechst Ag, Vormals Meister Lucius & Bruening, 6000 Frankfurt Process for the production of three-dimensionally crimped threads or bundles of threads

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2369395A (en) * 1942-01-21 1945-02-13 American Viscose Corp Yarnlike structure
US2543027A (en) * 1948-09-18 1951-02-27 Dow Chemical Co Method of making crinkled fibers
NL105518C (en) * 1952-06-18
US2974391A (en) * 1955-11-30 1961-03-14 Ici Ltd Process and apparatus for making crimped filaments
US2917805A (en) * 1956-02-23 1959-12-22 Dow Chemical Co Method for curling highly crystalline synthetic fibers and filaments
BE587716A (en) * 1959-02-18

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984002357A1 (en) * 1982-12-17 1984-06-21 Schweizerische Viscose Crimped polyester yarn based on a partially orientated, cold drawn polyester yarn and manufacturing process thereof
US4908269A (en) * 1982-12-17 1990-03-13 Viscosuisse S.A. Crimped polyester-yarn from cold drawn polyester-POY-yarn and process for its manufacture
US5139725A (en) * 1982-12-17 1992-08-18 Rhone-Poulenc Viscosuisse S.A. Process for manufacture of crimped polyester yarn from cold drawn polyester-poy yarn

Also Published As

Publication number Publication date
FR1386818A (en) 1965-01-22
US3188714A (en) 1965-06-15

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