GB1420188A - Vapour drawing of polyester monofilament - Google Patents

Vapour drawing of polyester monofilament

Info

Publication number
GB1420188A
GB1420188A GB1293374A GB1293374A GB1420188A GB 1420188 A GB1420188 A GB 1420188A GB 1293374 A GB1293374 A GB 1293374A GB 1293374 A GB1293374 A GB 1293374A GB 1420188 A GB1420188 A GB 1420188A
Authority
GB
United Kingdom
Prior art keywords
vapour
temperature
draw ratio
polyester
monofils
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
GB1293374A
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.)
Bridgestone Firestone Inc
Original Assignee
Firestone Tire and Rubber 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 Firestone Tire and Rubber Co filed Critical Firestone Tire and Rubber Co
Publication of GB1420188A publication Critical patent/GB1420188A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • D02J1/228—Stretching in two or more steps, with or without intermediate steps
    • 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
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/02—Heat treatment
    • 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
    • D01D5/12—Stretch-spinning methods
    • 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
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Artificial Filaments (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

1420188 Drawing polyester monofils FIRESTONE TIRE & RUBBER CO 22 March 1974 [28 March 1973] 12933/74 Heading B5B Polyethylene terephthalate monofils of denier 500 to 50,000 are drawn in a two-stage process; (i) In an atmosphere of a plasticizing vapour at a temperature such that the monofil is heated to a temperature between the second order transition temperature and the melting point to a draw ratio of 1À5 : 1 to 4 : 1. (ii) Subsequently to a total draw ratio of from 4 : 1 to 10 : 1. The second drawing may be carried out in a vapour or under dry conditions. The polyester must have an intrinsic viscosity of at least 0À6. Preferably the vapour contains at least 1% by weight of entrained liquid in droplet form, the preferred vapour being steam at a pressure of 1 to 150 p.s.i.g. In the processes illustrated the filaments are passed into the steam at a temperature such that vapour condenses on them; they are then stretched, dried, stretched again, optionally heat-treated under a tension producing a draw ratio of 1À0 : 1À0, and wound up. The filaments may be of a circular or, as in Example 13, of rectangular cross-section.
GB1293374A 1973-03-28 1974-03-22 Vapour drawing of polyester monofilament Expired GB1420188A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34562173A 1973-03-28 1973-03-28

Publications (1)

Publication Number Publication Date
GB1420188A true GB1420188A (en) 1976-01-07

Family

ID=23355772

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1293374A Expired GB1420188A (en) 1973-03-28 1974-03-22 Vapour drawing of polyester monofilament

Country Status (6)

Country Link
JP (1) JPS49125629A (en)
BE (1) BE812835A (en)
DE (1) DE2414055A1 (en)
FR (1) FR2223490B1 (en)
GB (1) GB1420188A (en)
IT (1) IT1009398B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2101522B (en) * 1981-01-26 1984-05-31 Showa Denko Kk Producing high tenacity monofilaments
JPS5898419A (en) * 1981-12-02 1983-06-11 Touyoubou Pet Koode Kk Polyester fiber of high strength with high thermal dimensional stability as well as chemical stability

Also Published As

Publication number Publication date
BE812835A (en) 1974-09-26
FR2223490B1 (en) 1977-09-30
FR2223490A1 (en) 1974-10-25
IT1009398B (en) 1976-12-10
JPS49125629A (en) 1974-12-02
DE2414055A1 (en) 1974-10-10

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee