JPS5643420A - Production of hollow fiber - Google Patents

Production of hollow fiber

Info

Publication number
JPS5643420A
JPS5643420A JP11573079A JP11573079A JPS5643420A JP S5643420 A JPS5643420 A JP S5643420A JP 11573079 A JP11573079 A JP 11573079A JP 11573079 A JP11573079 A JP 11573079A JP S5643420 A JPS5643420 A JP S5643420A
Authority
JP
Japan
Prior art keywords
ester
forming
fiber
polyester
hollow fibers
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.)
Pending
Application number
JP11573079A
Other languages
Japanese (ja)
Inventor
Motoyoshi Suzuki
Kiyokazu Tsunawaki
Osamu Wada
Akio Kimura
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.)
Teijin Ltd
Original Assignee
Teijin 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 Teijin Ltd filed Critical Teijin Ltd
Priority to JP11573079A priority Critical patent/JPS5643420A/en
Priority to DE8080104316T priority patent/DE3071272D1/en
Priority to US06/171,335 priority patent/US4361617A/en
Priority to EP19800104316 priority patent/EP0023664B1/en
Publication of JPS5643420A publication Critical patent/JPS5643420A/en
Priority to US06/387,495 priority patent/US4391872A/en
Priority to US06/424,252 priority patent/US4485058A/en
Pending legal-status Critical Current

Links

Landscapes

  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Artificial Filaments (AREA)

Abstract

PURPOSE: Hollow fibers of polyester containing a specific sulfonate metal salt are treated with alkali so that fine pores are formed all over the cross section and a part of them come through to the hollow part, thus producing hollow fibers with high water and moisture absorption and high durability.
CONSTITUTION: When (A) a polyester obtained from (a) difunctinal carboxylic acids mainly containing terephthalic acid or their ester-forming derivatives and (b) 2W6C alkylene glycols or their ester-forming derivatives is melt spun, (B) a compound of the furmula [M, M' are metal (preferably Na or K); n is 1, 2; R is ester- forming functional group] is added to the polyester before spinning to produce hollow fibers. The resultant fibers are treated with an aqueous solution of an alkali compound, preferably sodium hydroxide to leach out 2W50wt% of the fiber, thereby forming fine pores which are distributed over the fiber surface and head toward the fiber center wherein a part of them comes through to the hollow part.
COPYRIGHT: (C)1981,JPO&Japio
JP11573079A 1979-07-26 1979-09-11 Production of hollow fiber Pending JPS5643420A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP11573079A JPS5643420A (en) 1979-09-11 1979-09-11 Production of hollow fiber
DE8080104316T DE3071272D1 (en) 1979-07-26 1980-07-23 Process for producing the same of hollow water-absorbing polyester filaments
US06/171,335 US4361617A (en) 1979-07-26 1980-07-23 Hollow water-absorbing polyester filaments and a process for producing the same
EP19800104316 EP0023664B1 (en) 1979-07-26 1980-07-23 Process for producing the same of hollow water-absorbing polyester filaments
US06/387,495 US4391872A (en) 1979-07-26 1982-06-11 Hollow water-absorbing polyester filament textile material
US06/424,252 US4485058A (en) 1979-07-26 1982-09-27 Process for producing hollow water-absorbing polyester filaments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11573079A JPS5643420A (en) 1979-09-11 1979-09-11 Production of hollow fiber

Publications (1)

Publication Number Publication Date
JPS5643420A true JPS5643420A (en) 1981-04-22

Family

ID=14669673

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11573079A Pending JPS5643420A (en) 1979-07-26 1979-09-11 Production of hollow fiber

Country Status (1)

Country Link
JP (1) JPS5643420A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5976969A (en) * 1982-10-27 1984-05-02 帝人株式会社 Polyester fabric having functionality excellent in durability
DE3805772A1 (en) * 1987-02-26 1988-09-08 Matsutani Seisakusho DEVICE FOR ATTACHING A SEWING MATERIAL TO A SURGICAL SEWING NEEDLE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5976969A (en) * 1982-10-27 1984-05-02 帝人株式会社 Polyester fabric having functionality excellent in durability
DE3805772A1 (en) * 1987-02-26 1988-09-08 Matsutani Seisakusho DEVICE FOR ATTACHING A SEWING MATERIAL TO A SURGICAL SEWING NEEDLE

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