GB1063013A - Drawing process for polyester filamentary yarns - Google Patents

Drawing process for polyester filamentary yarns

Info

Publication number
GB1063013A
GB1063013A GB716264A GB716264A GB1063013A GB 1063013 A GB1063013 A GB 1063013A GB 716264 A GB716264 A GB 716264A GB 716264 A GB716264 A GB 716264A GB 1063013 A GB1063013 A GB 1063013A
Authority
GB
United Kingdom
Prior art keywords
yarn
draw roll
roll
surface temperature
feed
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
GB716264A
Inventor
David William Woods
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB716264A priority Critical patent/GB1063013A/en
Priority to NL6501955A priority patent/NL6501955A/xx
Priority to BE659933A priority patent/BE659933A/xx
Priority to FR6362A priority patent/FR1431140A/en
Publication of GB1063013A publication Critical patent/GB1063013A/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
    • D02J1/229—Relaxing
    • 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
    • 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
    • D01F6/78—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products
    • D01F6/84—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from copolycondensation products from copolyesters
    • 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
    • D02J1/227—Control of the stretching tension; Localisation of the stretching neck; Draw-pins

Landscapes

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

Abstract

1,063,013. Drawing polyester filamentary yarns. IMPERIAL CHEMICAL INDUSTRIES Ltd. Jan. 27, 1965 [Feb. 20, 1964], No. 7162/64. Heading B5B. In processes in which filamentary yarns composed of synthetic linear polyesters or copolyesters are drawn by passage over a heated feed roll and a heated draw roll, the draw roll surface temperature is at least 150‹ C. and relaxation of the drawn yarn takes place on the draw roll, said relaxation being controlled by adjusting the tension in the yarn leaving the draw roll to a value less than the tension in the yarn passing from the feed to the draw roll. The tension of the yarn leaving the draw roll may be between 0À02 and 0À5 gram per denier. The yarn may contact a heated plate maintained at a surface temperature of 180-220‹ C. between the feed and draw rolls. The yarn may be composed of a polyester or copolyester at least 85% of the acid residues in the polymer chains of which are terephthalic acid residues. The yarn may be composed wholly of polyethylene terephthalate. The feed roll surface temperature may be 60‹ to 100‹ C. The draw roll may have a surface speed of up to 500 feet per minute and a surface temperature of 150‹ to 230‹ C.
GB716264A 1964-02-20 1964-02-20 Drawing process for polyester filamentary yarns Expired GB1063013A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB716264A GB1063013A (en) 1964-02-20 1964-02-20 Drawing process for polyester filamentary yarns
NL6501955A NL6501955A (en) 1964-02-20 1965-02-17
BE659933A BE659933A (en) 1964-02-20 1965-02-18
FR6362A FR1431140A (en) 1964-02-20 1965-02-19 Drawing process of filament yarns composed of polyesters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB716264A GB1063013A (en) 1964-02-20 1964-02-20 Drawing process for polyester filamentary yarns

Publications (1)

Publication Number Publication Date
GB1063013A true GB1063013A (en) 1967-03-22

Family

ID=9827806

Family Applications (1)

Application Number Title Priority Date Filing Date
GB716264A Expired GB1063013A (en) 1964-02-20 1964-02-20 Drawing process for polyester filamentary yarns

Country Status (4)

Country Link
BE (1) BE659933A (en)
FR (1) FR1431140A (en)
GB (1) GB1063013A (en)
NL (1) NL6501955A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3448573A (en) * 1968-02-12 1969-06-10 Ici Ltd High tenacity yarns made from polyethylene terephthalate,particularly for sailcloth
US4003974A (en) * 1975-04-04 1977-01-18 E. I. Du Pont De Nemours And Company Continuous spin-drawing process for preparing polyethylene terephthalate yarns

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3448573A (en) * 1968-02-12 1969-06-10 Ici Ltd High tenacity yarns made from polyethylene terephthalate,particularly for sailcloth
US4003974A (en) * 1975-04-04 1977-01-18 E. I. Du Pont De Nemours And Company Continuous spin-drawing process for preparing polyethylene terephthalate yarns

Also Published As

Publication number Publication date
FR1431140A (en) 1966-03-11
BE659933A (en) 1965-08-18
NL6501955A (en) 1965-08-23

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