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KR900018432A - Process for producing wholly aromatic polyamide - Google Patents

Process for producing wholly aromatic polyamide Download PDF

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Publication number
KR900018432A
KR900018432A KR1019890007064A KR890007064A KR900018432A KR 900018432 A KR900018432 A KR 900018432A KR 1019890007064 A KR1019890007064 A KR 1019890007064A KR 890007064 A KR890007064 A KR 890007064A KR 900018432 A KR900018432 A KR 900018432A
Authority
KR
South Korea
Prior art keywords
aromatic polyamide
wholly aromatic
producing
stretching
washing
Prior art date
Application number
KR1019890007064A
Other languages
Korean (ko)
Other versions
KR920000314B1 (en
Inventor
김우종
박세웅
김격현
Original Assignee
하기주
주식회사 코오롱
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 하기주, 주식회사 코오롱 filed Critical 하기주
Priority to KR1019890007064A priority Critical patent/KR920000314B1/en
Publication of KR900018432A publication Critical patent/KR900018432A/en
Application granted granted Critical
Publication of KR920000314B1 publication Critical patent/KR920000314B1/en

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Classifications

    • 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
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/12—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D1/00—Treatment of filament-forming or like material
    • D01D1/02—Preparation of spinning solutions
    • 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
    • D01F6/60—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides

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

Abstract

내용 없음No content

Description

전 방향족 폴리아미드의 제조방법Process for producing wholly aromatic polyamide

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

Claims (8)

전방향족 폴리아미드를 N,N-디메틸아세트아미드 용매에 용해시켜서 된 방사원액을 압출시켜서 연신시킨후 수세, 건조 및 열처리시켜서 전방향족 폴리아미드 섬유를 제조하는데 있어서, 전방향족 폴리아미드를 N,N-디메틸아세트아미드 용매에 용해시켜서 폴리머의 함량은 15 내지 25중량%가 되고, 고유점도는 1.4 내지 2.5가 되도록 방사원액을 만든다음, 이원액을 고온으로 가열된 질소기체가 순환하는 방사통내부로 토출시켜 상기 용매를 제거 시키면서 미연신사를 형성시킨 후, 연신, 수세 건조 및 열처리시켜 됨을 특징으로 하는 전방향족 폴리아미드 섬유의 제조방법.In the production of wholly aromatic polyamide fibers by extruding and stretching the spinning stock solution obtained by dissolving the wholly aromatic polyamide in a N, N-dimethylacetamide solvent, followed by washing with water, drying and heat treatment, the wholly aromatic polyamide is N, N- After dissolving in dimethylacetamide solvent, the polymer content is 15 to 25% by weight, and the spinning solution is made so that the intrinsic viscosity is 1.4 to 2.5, and then the binary solution is discharged into the spinning barrel through which nitrogen gas heated to high temperature circulates. After forming the unstretched yarn while removing the solvent, the method for producing a wholly aromatic polyamide fiber, characterized in that the stretching, washing with water and heat treatment. 제1항에 있어서, 전방향족 폴리아미드는 폴리(메타페닐렌이소프탈아미드)와 테레프탈아미드의 공중합체이면서 폴리메타페닐렌이소프탈아미드의 함량이 적어도 85중량%인 것을 특징으로 하는 전방향족 폴리아미드 섬유의 제조방법.The wholly aromatic polyamide according to claim 1, wherein the wholly aromatic polyamide is a copolymer of poly (metaphenyleneisophthalamide) and terephthalamide and has a content of at least 85% by weight of polymetaphenylene isophthalamide. Method for producing polyamide fibers. 제1항에 있어서, 용매의 제거는 N,N-디메틸아세트아미드용매가 10내지 50중량%가 함유된 수용액을 방사통내부로 분사시켜서 됨을 특징으로 하는 전방향족 폴리아미드 섬유의 제조방법.The method for producing a wholly aromatic polyamide fiber according to claim 1, wherein the solvent is removed by spraying an aqueous solution containing 10 to 50% by weight of the N, N-dimethylacetamide solvent into the spinneret. 제1항에 있어서, 연신은 60 내지 120℃의 연신욕조내에서 실시함을 특징으로 하는 전방향족 폴리아미드 섬유의 제조방법.The method for producing a wholly aromatic polyamide fiber according to claim 1, wherein the stretching is performed in a stretching bath at 60 to 120 캜. 제1항에 있어서, 연신은 2.5 내지 4.0의 배율로 실시함을 특징으로 하는 전방향족 폴리아미드 섬유의 제조방법.The method for producing a wholly aromatic polyamide fiber according to claim 1, wherein the stretching is performed at a magnification of 2.5 to 4.0. 제1항에 있어서, 수세는 30 내지 70℃의 수세욕조 내에서 실시함을 특징으로 하는 전방향족 폴리아미드 섬유의 제조방법.The method for producing a wholly aromatic polyamide fiber according to claim 1, wherein the washing is carried out in a washing bath at 30 to 70 캜. 제1항에 있어서, 건조는 100 내지 200℃의 건조롤에서 실시함을 특징으로 하는 전방향족 폴리아미드 섬유의 제조방법.The method of claim 1, wherein the drying is carried out in a drying roll of 100 to 200 ℃. 제1항에 있어서, 열처리는 250 내지 400℃의 온도에서 실시함을 특징으로 하는 전방향족 폴리아미드 섬유의 제조방법.The method of claim 1, wherein the heat treatment is carried out at a temperature of 250 to 400 ℃. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890007064A 1989-05-26 1989-05-26 Manufacturing process of full aromatic polyamide fiber KR920000314B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890007064A KR920000314B1 (en) 1989-05-26 1989-05-26 Manufacturing process of full aromatic polyamide fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890007064A KR920000314B1 (en) 1989-05-26 1989-05-26 Manufacturing process of full aromatic polyamide fiber

Publications (2)

Publication Number Publication Date
KR900018432A true KR900018432A (en) 1990-12-21
KR920000314B1 KR920000314B1 (en) 1992-01-11

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ID=19286497

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890007064A KR920000314B1 (en) 1989-05-26 1989-05-26 Manufacturing process of full aromatic polyamide fiber

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL3467002T3 (en) 2016-05-30 2023-07-24 Sociedad Anónima Minera Catalano-Aragonesa Method for obtaining biodegradable polymers

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KR920000314B1 (en) 1992-01-11

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