US3765069A - Process for producing low crimp polyethylene oxybenzoate yarns - Google Patents

Process for producing low crimp polyethylene oxybenzoate yarns Download PDF

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Publication number
US3765069A
US3765069A US00181155A US3765069DA US3765069A US 3765069 A US3765069 A US 3765069A US 00181155 A US00181155 A US 00181155A US 3765069D A US3765069D A US 3765069DA US 3765069 A US3765069 A US 3765069A
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United States
Prior art keywords
peob
yarns
heat
yarn
value
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Expired - Lifetime
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US00181155A
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English (en)
Inventor
S Fujita
H Kimura
T Murakami
H Arimoto
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Unitika Ltd
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Unitika Ltd
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Publication date
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    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/22Formation of filaments, threads, or the like with a crimped or curled structure; with a special structure to simulate wool

Definitions

  • FIG. 1 graphically shows the intensity curve of X-ray diffraction pattern of a-type crystalline structure
  • a process for producing low crimp PEOB yarns having silk-like properties which is characterized in that a PEOB multifilament drawn yarn having a B-value of from 20 to 80 and a shrinkage value in boiling water of from 20 to 35 percent is heat-treated under substantially no tension so as to give a decrease of more than l in B-value.
  • An object of the present invention is accordingly to provide a process for producing PEOB drawn yarns having low crimps in a simple manner.
  • shrinkage in boiling water in this specification denotes (A B/A) X l wherein A: length of a sample loaded with a weight of 1/30 g/total denier prior to treatment in boiling water,
  • Example 1 1 A drawn PEOB yarn (50 deniers/24'filaments) which was Sample No. 7 of Examples 1-5 (B-value: 33.2;
  • ammonium carbonate (foaming agent) 1.0%

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
US00181155A 1970-09-16 1971-09-16 Process for producing low crimp polyethylene oxybenzoate yarns Expired - Lifetime US3765069A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8110670 1970-09-16

Publications (1)

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US3765069A true US3765069A (en) 1973-10-16

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ID=13737115

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US00181155A Expired - Lifetime US3765069A (en) 1970-09-16 1971-09-16 Process for producing low crimp polyethylene oxybenzoate yarns

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US (1) US3765069A (ref)
FR (1) FR2107677A5 (ref)
GB (1) GB1311231A (ref)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571793A (en) * 1983-03-02 1986-02-25 Enterprise Machine And Development Corp. Air jet texturing system for the production of uniform textured yarn
US20080095581A1 (en) * 2006-10-13 2008-04-24 Barron Tasker Water flow control product and method of manufacture

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03185178A (ja) * 1989-12-12 1991-08-13 Kao Corp サイジング方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2926065A (en) * 1956-04-18 1960-02-23 Fabric Res Lab Inc Method of shrinkproofing oriented, crystallized polyethylene terephthalate yarns at elevated temperatures by heat tensioning and heat relaxing said yarns

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2926065A (en) * 1956-04-18 1960-02-23 Fabric Res Lab Inc Method of shrinkproofing oriented, crystallized polyethylene terephthalate yarns at elevated temperatures by heat tensioning and heat relaxing said yarns

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4571793A (en) * 1983-03-02 1986-02-25 Enterprise Machine And Development Corp. Air jet texturing system for the production of uniform textured yarn
US20080095581A1 (en) * 2006-10-13 2008-04-24 Barron Tasker Water flow control product and method of manufacture

Also Published As

Publication number Publication date
GB1311231A (en) 1973-03-28
FR2107677A5 (ref) 1972-05-05

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