KR900007879A - Manufacturing method of polyimide fiber - Google Patents

Manufacturing method of polyimide fiber Download PDF

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KR900007879A
KR900007879A KR1019890016084A KR890016084A KR900007879A KR 900007879 A KR900007879 A KR 900007879A KR 1019890016084 A KR1019890016084 A KR 1019890016084A KR 890016084 A KR890016084 A KR 890016084A KR 900007879 A KR900007879 A KR 900007879A
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producing
polyimide fiber
fiber according
polyimide
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KR1019890016084A
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KR940000963B1 (en
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타이조오 나가히로
마사히로 오오다
슈우이찌 모리가와
노부히도 고가
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사와무라 하루오
미쯔이도오아쯔 가가꾸 가부시기가이샤
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1003—Preparatory processes
    • C08G73/1007—Preparatory processes from tetracarboxylic acids or derivatives and diamines
    • C08G73/101—Preparatory processes from tetracarboxylic acids or derivatives and diamines containing chain terminating or branching agents
    • C08G73/1014—Preparatory processes from tetracarboxylic acids or derivatives and diamines containing chain terminating or branching agents in the form of (mono)anhydrid
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1046—Polyimides containing oxygen in the form of ether bonds in the main chain
    • C08G73/105—Polyimides containing oxygen in the form of ether bonds in the main chain with oxygen only in the diamino moiety
    • 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
    • D01F6/74—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polycondensates of cyclic compounds, e.g. polyimides, polybenzimidazoles

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Artificial Filaments (AREA)

Abstract

내용 없음No content

Description

폴리이미드섬유의 제조 방법Manufacturing method of polyimide fiber

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

제1도는 본 발명에 사용되는 폴리이미드수지의 DSC에 의한 열시차 특성을 표시한 도면.1 is a diagram showing thermal parallax characteristics by DSC of polyimide resin used in the present invention.

Claims (18)

디아민과 테트라카브록시산2무 수물을 반응시켜서 얻게된 폴리아미드 산을 열적 또는 화학적으로 이미드화하는 것과, 이 폴리아미드산 또는 그 이미드화후의 폴리이미드를 방사하는 것을 포함한 폴리이미드섬유의 제조방법에 있어서, (가) 디아민이 하기식(I)In a method for producing a polyimide fiber comprising thermally or chemically imidating a polyamic acid obtained by reacting a diamine with tetracarboxylic dianhydride, and spinning the polyamic acid or a polyimide after imidization thereof. (A) Diamine is represented by following formula (I) (식중, X는 직결, 탄소수 1~10의 2가의 탄화수소기, 6불소화된 이소프로필리덴기, 카르보닐기, 티오기 또는 술포닐기로 이루어진 군에서 선택된 기를 표시함.)로 표시되는 디아민을 포함하고, (나) 테트라카르복시산 2무수물이 하기식(II)(Wherein X represents a group selected from the group consisting of a direct link, a divalent hydrocarbon group having 1 to 10 carbon atoms, a hexafluorinated isopropylidene group, a carbonyl group, a thio group, or a sulfonyl group), and (B) Tetracarboxylic dianhydride is represented by the following formula (II) (식중, R는 탄소수2이상의 지방족기, 고리식지방족시, 단고리식 방향족기, 축합다고리식방향족기, 방향족기가 직접 또는 가교원에 의해 상호 연결된 비축합다고리식 방향족기로 이루어진 군에서 선택된 4가의 기를 표시함.)로 표시되는 테트라카르복시산 2무 수물을 포함하고 (다) 또 반응이 하기식(III)(Wherein R is a tetravalent group selected from the group consisting of aliphatic groups having 2 or more carbon atoms, cyclic aliphatic groups, monocyclic aromatic groups, condensed polyaromatic groups, and non-condensed polyaromatic groups in which aromatic groups are interconnected by direct or crosslinking members) (C) and the reaction is represented by the following formula (III). (식중, Z는 단고리식방향족기, 축합다고리식방향족기, 방향족기가 직접 또는 가교원에 의해 상호 연결된 비축합다고리식 방향족기로 이루어진 군에서 선택된 2가의 기를 표시함.)로 표시되는 디카르복시산무수물의 존재하에 행하는 것을 포함하고, (라) 테트라카르복시산 2무수물의 사용량은, 사용하는 디아민 1몰당 0.9~1.0몰 비이고, 또 디카르복시산무수물의 사용량은, 사용하는 디아민 1몰딩 0.001~0.1몰비인 하기식(IV)(Wherein Z represents a divalent group selected from the group consisting of monocyclic aromatic groups, condensed polyaromatic groups, and non-condensed polyaromatic groups in which aromatic groups are directly or interconnected by a bridging member.) (D) The amount of tetracarboxylic acid dianhydride used is 0.9 to 1.0 mole ratio per 1 mole of diamine to be used, and the amount of dicarboxylic acid anhydride to be used is 0.001 to 0.1 mole ratio of 1 mole of diamine to be used. Formula (IV) (식중, X및 R는 상기와 같다.)로 표시되는 반복단위를 기본골격으로서 가진 포리이미드 섬유의 제조 방법.(Wherein X and R are the same as described above). A method for producing a polyimide fiber having a repeating unit represented by the above as a skeleton. 제1항에 있어서, X가 직결인 폴리이미드섬유의 제조방법.The method for producing a polyimide fiber according to claim 1, wherein X is directly linked. 제1항에 있어서, X가 탄소수 1~10의 2가의 탄화수소기인 폴리이미드 섬유의 제조방법.The method for producing a polyimide fiber according to claim 1, wherein X is a divalent hydrocarbon group having 1 to 10 carbon atoms. 제1항에 있어서, X가폴리이미드섬유의 제조 방법.The compound of claim 1 wherein X is Method for producing polyimide fibers. 제1항에 있어서, X가 6불소화된 이소프로필리덴기인 폴리이미드섬유의 제조 방법.The method for producing a polyimide fiber according to claim 1, wherein X is a hexafluorinated isopropylidene group. 제1항에 있어서, X가, 카르보닐기, 티오기 또는 술포닐기인 폴리이미드섬유의 제조 방법.The method for producing a polyimide fiber according to claim 1, wherein X is a carbonyl group, a thio group, or a sulfonyl group. 제1항에 있어서, 식(I)로 표시되는 디아민이, 4,4'-비스(3-아미노페녹시)비페닐, 2,2-비스[4-(3-아미노페녹시)페닐]프로판, 비스[4-(3-아미노페녹시)페닐]술폰인 폴리이미드섬유의 제조 방법.The diamine represented by the formula (I) is 4,4'-bis (3-aminophenoxy) biphenyl, 2,2-bis [4- (3-aminophenoxy) phenyl] propane And bis [4- (3-aminophenoxy) phenyl] sulfone. 제1항에 있어서, R가 탄소수 2이상의 지방족기 또는 고리식지방족기인 폴리이미드 섬유의 제조방법.The method for producing a polyimide fiber according to claim 1, wherein R is an aliphatic group or a cycloaliphatic group having 2 or more carbon atoms. 제1항에 있어서, R가 단고리식방향족기, 축합다고리식방향족기, 방향족기가 직접 또는 가교원에 의해 상호 연결된 비축합다고리식방향족기로 이루어진 군에서 선택된 폴리이미드섬유의 제조 방법.The method for producing a polyimide fiber according to claim 1, wherein R is selected from the group consisting of monocyclic aromatic groups, condensed polyaromatic groups, and non-condensed polyaromatic aromatic groups interconnected by direct or crosslinking members. 제1항에 있어서, R가 단고리식방향족기인 폴리이미드섬유의 제조 방법.The method for producing a polyimide fiber according to claim 1, wherein R is a monocyclic aromatic group. 제1항에 있어서, 식(II)로 표시되는 테트라가르복시산2무술물이, 피로멜리트산2무 수물, 3,3',4,4'-테트라카르복시산 2무수물인 폴리이미드섬유의 제조방법.The method for producing a polyimide fiber according to claim 1, wherein the tetragardic acid dianhydride represented by formula (II) is pyromellitic dianhydride, 3,3 ', 4,4'-tetracarboxylic dianhydride. . 제1항에 있어서, Z가 단고리식방향족기인 폴리이미드섬유의 제조방법.The method for producing a polyimide fiber according to claim 1, wherein Z is a monocyclic aromatic group. 제1항에 있어서, 디카르복시산무수물의 사용량이, 사용하는 디아민 1몰당 0.01~0.5몰인 폴리이미드섬유의 제조방법.The method for producing a polyimide fiber according to claim 1, wherein the amount of dicarboxylic acid anhydride used is 0.01 to 0.5 mol per mol of diamine used. 제1항에 있어서, 폴리이미드의 유리전이온도 Tg가 235~265℃인 폴리이미드섬유의 제조방법.The method for producing a polyimide fiber according to claim 1, wherein the glass transition temperature Tg of the polyimide is 235 to 265 ° C. 제1항에 있어서, 용융방사를 행하는 것을 특징으로 하는 폴리이미드섬유의 제조방법.The method for producing a polyimide fiber according to claim 1, wherein melt spinning is performed. 제1항에 있어서, 폴리임드의 함유수분량 200ppm미민으로 조정후, 용융방사를 행하는 것을 특징으로 하는 폴리이미드 섬유의 제조방법.The method for producing a polyimide fiber according to claim 1, wherein melt spinning is carried out after adjusting to a content of 200 ppm amine of polyimide. 제1항에 있어서, 방사후, 연신및 열처리를 행하는 것을 특징으로 하는 폴리이미드섬유의 제조방법.The method for producing a polyimide fiber according to claim 1, wherein stretching and heat treatment are performed after spinning. 청구범위 제1항의 방법으로 얻게된 폴리이드섬유.Polyid fiber obtained by the method of claim 1. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890016084A 1988-11-07 1989-11-07 Production process for polyimide fibers KR940000963B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP27928088 1988-11-07
JP63-279280 1988-11-07
JP1268985A JPH02234911A (en) 1988-11-07 1989-10-18 Production of polyimide fiber
JP1-268985 1989-10-18

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KR900007879A true KR900007879A (en) 1990-06-02
KR940000963B1 KR940000963B1 (en) 1994-02-07

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KR1019890016084A KR940000963B1 (en) 1988-11-07 1989-11-07 Production process for polyimide fibers

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0462282B1 (en) * 1989-12-22 1996-06-26 MITSUI TOATSU CHEMICALS, Inc. Polyimide molding
US20110144297A1 (en) * 2009-12-15 2011-06-16 E. I. Du Pont De Nemours And Company Rapid thermal conversion of a polyamic acid fiber to a polyimide fiber

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KR940000963B1 (en) 1994-02-07
JPH02234911A (en) 1990-09-18
JPH0555608B2 (en) 1993-08-17

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