KR920008234A - Polyester filament yarn having excellent shape stability and its manufacturing method - Google Patents

Polyester filament yarn having excellent shape stability and its manufacturing method Download PDF

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Publication number
KR920008234A
KR920008234A KR1019900016916A KR900016916A KR920008234A KR 920008234 A KR920008234 A KR 920008234A KR 1019900016916 A KR1019900016916 A KR 1019900016916A KR 900016916 A KR900016916 A KR 900016916A KR 920008234 A KR920008234 A KR 920008234A
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KR
South Korea
Prior art keywords
temperature
stretched
shape stability
filament yarn
excellent shape
Prior art date
Application number
KR1019900016916A
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Korean (ko)
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KR930003366B1 (en
Inventor
김격현
김학묵
김성중
정호규
이상민
Original Assignee
하기주
주식회사 코오롱
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Publication date
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Priority to KR1019900016916A priority Critical patent/KR930003366B1/en
Publication of KR920008234A publication Critical patent/KR920008234A/en
Application granted granted Critical
Publication of KR930003366B1 publication Critical patent/KR930003366B1/en

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    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)

Abstract

내용 없음No content

Description

형태안정성이 우수한 폴리에스터 필라멘트사 및 그 제조방법Polyester filament yarn having excellent shape stability and its manufacturing method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명에 사용되는 방사장치의 예시도,1 is an illustration of the radiating device used in the present invention,

제2도는 본 발명에 사용되는 연신장치의 예시도,2 is an illustration of the stretching apparatus used in the present invention,

제3도는 직접방사 연신장치의 예시도.3 is an illustration of a direct spinning apparatus.

Claims (2)

다음 조건들을 만족시키는 형태안정성이 우수한 폴리에스터 필라멘트사. 다음 ⅰ)결정체적 : 2.0×105~ 40×105Å3ⅱ)결정화도 : 50%이상 ⅲ)장주기 : 140~160Å ⅳ)최대열수축응력 : 0.4g/d 이하 ⅴ)초기 모듈러스 : 90g/d 이상 ⅵ)S177+ E4. 5가 12이하 ⅶ)Eb가 11이상 단,S177;온도 177°C, 2분간 처리후의 건열수축율 E4.5;신장 하중그래프에서 하중 4.5kg에서의 신도(증신) Eb;절단신도Polyester filament yarn having excellent shape stability satisfying the following conditions. Next ⅰ) crystal volume: 2. 0 × 10 5 ~ 4 0 × 10 5 Å 3 ⅱ) Crystallinity: more than 50% ⅲ) Long period: 140 ~ 160Å ⅳ) Maximum heat shrinkage stress: 0. 4 g / d or less ⅴ) initial Modulus: 90g / d or more S 177 + E 4.5 5 or less 12) Eb is 11 or more, S 177 ; Temperature 177 ° C, dry heat shrinkage after 2 min treatment E 4.5 ; Elongation at extension load graph 4. Elongation at 5 kg Eb Elongation at break 분자쇄의 전체 반복단위가 95몰% 이상인 폴리에틸렌테레프탈레이트로 되어 있으며 고유점도가 1.0이상인 폴리에스터 폴리머를 사용하여 평균복굴절율이 0.22이상인 미연신사를 제조하고, 상기 미연신사를 다단으로 연신하되 제1연신로울러와 제2연신로울러의 온도를 Tg와 Tcc사이의 온도로 유지하여 연신하고, 이어서 긴장열처리한 다음 α흡수온도 부근에서 이완처리하는 형태안정성이 우수한 폴리에스터 필라멘트사의 제조방법.Molecule is the total repeating units in the chain is a polyethylene terephthalate at least 95 mol% and an intrinsic viscosity of 1. Preparation of the non-drawn filament at least 0 or more polyester polymers using an average of birefringence 0.22 and, in multiple stages the undrawn A method for producing polyester filament yarn having excellent shape stability as it is stretched, but is stretched by maintaining the temperature of the first stretched roller and the second stretched roller at a temperature between Tg and Tcc, followed by tension heat treatment, and relaxation treatment near α absorption temperature. 단, Tg;유리전이온도 Tcc;결정화온도Tg; glass transition temperature Tcc; crystallization temperature ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019900016916A 1990-10-22 1990-10-22 Polyester filament yarn of a good dimensional stability and its manufacturing method KR930003366B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900016916A KR930003366B1 (en) 1990-10-22 1990-10-22 Polyester filament yarn of a good dimensional stability and its manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900016916A KR930003366B1 (en) 1990-10-22 1990-10-22 Polyester filament yarn of a good dimensional stability and its manufacturing method

Publications (2)

Publication Number Publication Date
KR920008234A true KR920008234A (en) 1992-05-27
KR930003366B1 KR930003366B1 (en) 1993-04-26

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ID=19305021

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900016916A KR930003366B1 (en) 1990-10-22 1990-10-22 Polyester filament yarn of a good dimensional stability and its manufacturing method

Country Status (1)

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KR (1) KR930003366B1 (en)

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Publication number Publication date
KR930003366B1 (en) 1993-04-26

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