KR890014797A - Method for producing aromatic polyamide fibers - Google Patents

Method for producing aromatic polyamide fibers Download PDF

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Publication number
KR890014797A
KR890014797A KR1019880003316A KR880003316A KR890014797A KR 890014797 A KR890014797 A KR 890014797A KR 1019880003316 A KR1019880003316 A KR 1019880003316A KR 880003316 A KR880003316 A KR 880003316A KR 890014797 A KR890014797 A KR 890014797A
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KR
South Korea
Prior art keywords
solvent
amide
aromatic polyamide
tertiary amine
aromatic
Prior art date
Application number
KR1019880003316A
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Korean (ko)
Other versions
KR900005997B1 (en
Inventor
김두현
박종태
Original Assignee
이상철
주식회사 코오롱
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Priority to KR1019880003316A priority Critical patent/KR900005997B1/en
Publication of KR890014797A publication Critical patent/KR890014797A/en
Application granted granted Critical
Publication of KR900005997B1 publication Critical patent/KR900005997B1/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
    • 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
    • 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

Abstract

내용 없음.No content.

Description

방향족 폴리아미드섬유의 제조방법Method for producing aromatic polyamide fibers

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

Claims (5)

방향족 폴리아미드섬유를 제조하는데 있어서, 아미드계용매 단독 또는 상기 아미드계 용매에 대하여 5 내지 1중량%의 무기염이 용해된 아미드계혼합용매중에서 방향족디아민과 방향족디에시드콜로라이드를 등몰량으로 중합시켜서 고유점도가 1.0 내지 4.0의 액정예비중합체용액을 제조하고, 이를 응고액에다 분출시켜 섬유를 형성시킨 다음, 직접 세정 및 건조와 동시에 100℃ 내지 350℃에서 열처리를 실시하고 권취하여서 500g/d이상의 초기탄성율과 15g/d 이상의 인장강도를 갖도록 함을 특징으로 하는 방향족 폴리아미드섬유의 제조방법.In preparing an aromatic polyamide fiber, the aromatic diamine and the aromatic diecid chloride are polymerized in an equimolar amount in an amide solvent alone or an amide mixed solvent in which 5 to 1% by weight of an inorganic salt is dissolved in the amide solvent. A liquid crystal prepolymer solution having an intrinsic viscosity of 1.0 to 4.0 was prepared, spun into a coagulating solution to form a fiber, and then directly washed and dried, heat treated at 100 ° C. to 350 ° C., and wound up to 500 g / d or more. A method for producing an aromatic polyamide fiber, characterized in that it has an elastic modulus and a tensile strength of 15 g / d or more. 제1항에 있어서, 아미드계 용매는 N-메틸피롤리돈, 헥사메틸포스포라미드, N,N-디메틸아세트아미드, N,N-디메틸포라미드, 디메틸설폭사이드, N,N,N′,N′-테트라메틸우레아 중에서 어느하나를 선택하여서 된 것임을 특징으로 하는 방법.The method of claim 1, wherein the amide solvent is N-methylpyrrolidone, hexamethylphosphoramide, N, N-dimethylacetamide, N, N-dimethylporamide, dimethyl sulfoxide, N, N, N ', N′-tetramethylurea, characterized in that by selecting any one. 제1항에 있어서, 무기염은 염화리튬과 염화칼슘에서 어느하나를 선택하여서 된 것임을 특징으로 하는 방법.The method according to claim 1, wherein the inorganic salt is obtained by selecting either lithium chloride or calcium chloride. 제1항에 있어서, 응고액은 3급아민계용매 단독 또는 아미드계용매가 혼합된 3급아민계혼합용매를 사용하여서 됨을 특징으로 하는 방법.The method according to claim 1, wherein the coagulating solution is prepared by using a tertiary amine-based solvent alone or a tertiary amine-based mixed solvent in which an amide solvent is mixed. 제4항에 있어서, 3급아민계용매는 피리딘, 퀴놀린, 피라진, 트리에틸아민, 피콜린, 아크리리딘, 퀴녹살린 중에서 어느하나를 선택하여서 된 것임을 특징으로 하는 방법.The method according to claim 4, wherein the tertiary amine solvent is selected from pyridine, quinoline, pyrazine, triethylamine, picoline, acriridine, and quinoxaline. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019880003316A 1988-03-26 1988-03-26 Manufacturing method of aromatic polyamide fiber KR900005997B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019880003316A KR900005997B1 (en) 1988-03-26 1988-03-26 Manufacturing method of aromatic polyamide fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019880003316A KR900005997B1 (en) 1988-03-26 1988-03-26 Manufacturing method of aromatic polyamide fiber

Publications (2)

Publication Number Publication Date
KR890014797A true KR890014797A (en) 1989-10-25
KR900005997B1 KR900005997B1 (en) 1990-08-20

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Application Number Title Priority Date Filing Date
KR1019880003316A KR900005997B1 (en) 1988-03-26 1988-03-26 Manufacturing method of aromatic polyamide fiber

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Publication number Publication date
KR900005997B1 (en) 1990-08-20

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