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JPS56123409A - Preparation of ultrathin polyester filament - Google Patents

Preparation of ultrathin polyester filament

Info

Publication number
JPS56123409A
JPS56123409A JP2609380A JP2609380A JPS56123409A JP S56123409 A JPS56123409 A JP S56123409A JP 2609380 A JP2609380 A JP 2609380A JP 2609380 A JP2609380 A JP 2609380A JP S56123409 A JPS56123409 A JP S56123409A
Authority
JP
Japan
Prior art keywords
filaments
spinning
winding
contraction
temporarily
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
JP2609380A
Other languages
Japanese (ja)
Inventor
Kenkichi Nose
Hiroyuki Nagai
Kikuo Hori
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 JP2609380A priority Critical patent/JPS56123409A/en
Publication of JPS56123409A publication Critical patent/JPS56123409A/en
Pending legal-status Critical Current

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  • Artificial Filaments (AREA)

Abstract

PURPOSE: To obtain ultrathin filaments having improved strength and elongation, coefficient of contraction in boiling water with good winding properties, by orienting directly undrawn polyester filaments having specific properties obtained by high- speed spinning in a specific ratio without winding them temporarily.
CONSTITUTION: A polyester (preferably polyethylene terephthalate with intrinsic viscosity 0.55W0.7) is spun by a hole diameter preferably 0.1W0.2mm, spinning temperature 290W305°C, spinning draft 200W700, drawing speed of spun filaments 2,500W4,000m/min, to give undrawn polyester filaments Y having double refractive index 80W10-3W120×10-3, coefficient of contraction in boiling water 20W60%, single filament denier not more than 1d. In the operation, the spinning drawing roller 3 is heated to 70W150°C, and the filaments Y are oriented continuously 1.05W 1.6 times and heat-treated using the orientation roller 5 heated at preferably 85W 200°C without winding them temporarily.
COPYRIGHT: (C)1981,JPO&Japio
JP2609380A 1980-03-04 1980-03-04 Preparation of ultrathin polyester filament Pending JPS56123409A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2609380A JPS56123409A (en) 1980-03-04 1980-03-04 Preparation of ultrathin polyester filament

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2609380A JPS56123409A (en) 1980-03-04 1980-03-04 Preparation of ultrathin polyester filament

Publications (1)

Publication Number Publication Date
JPS56123409A true JPS56123409A (en) 1981-09-28

Family

ID=12183978

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2609380A Pending JPS56123409A (en) 1980-03-04 1980-03-04 Preparation of ultrathin polyester filament

Country Status (1)

Country Link
JP (1) JPS56123409A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58203110A (en) * 1982-05-18 1983-11-26 Toray Ind Inc Production of polyester multifilaments
JPS58203109A (en) * 1982-05-18 1983-11-26 Toray Ind Inc Production of polyester multifilaments
JPS5988913A (en) * 1982-07-02 1984-05-23 Toray Ind Inc Method for direct spinning and drawing of polyester yarn
KR100426260B1 (en) * 2002-01-18 2004-04-08 도레이새한 주식회사 Manufacturing method of polyester yarn
US7078096B2 (en) 2002-04-25 2006-07-18 Teijin Fibers Limited Method for producing polyester extra fine multi-filament yarn and polyester extra fine false twist textured yarn, polyester extra fine multi-filament yarn, and polyester extra-fine false twist textured yarn
CN103305941A (en) * 2012-03-06 2013-09-18 江苏天地化纤有限公司 Superfine polyester flat yarns and preparation process for same

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58203110A (en) * 1982-05-18 1983-11-26 Toray Ind Inc Production of polyester multifilaments
JPS58203109A (en) * 1982-05-18 1983-11-26 Toray Ind Inc Production of polyester multifilaments
JPH0341563B2 (en) * 1982-05-18 1991-06-24
JPH0341562B2 (en) * 1982-05-18 1991-06-24
JPS5988913A (en) * 1982-07-02 1984-05-23 Toray Ind Inc Method for direct spinning and drawing of polyester yarn
KR100426260B1 (en) * 2002-01-18 2004-04-08 도레이새한 주식회사 Manufacturing method of polyester yarn
US7078096B2 (en) 2002-04-25 2006-07-18 Teijin Fibers Limited Method for producing polyester extra fine multi-filament yarn and polyester extra fine false twist textured yarn, polyester extra fine multi-filament yarn, and polyester extra-fine false twist textured yarn
CN103305941A (en) * 2012-03-06 2013-09-18 江苏天地化纤有限公司 Superfine polyester flat yarns and preparation process for same

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