KR950701948A - Method to synthesize carbon-carbon composites - Google Patents

Method to synthesize carbon-carbon composites

Info

Publication number
KR950701948A
KR950701948A KR1019940704451A KR19940704451A KR950701948A KR 950701948 A KR950701948 A KR 950701948A KR 1019940704451 A KR1019940704451 A KR 1019940704451A KR 19940704451 A KR19940704451 A KR 19940704451A KR 950701948 A KR950701948 A KR 950701948A
Authority
KR
South Korea
Prior art keywords
carbon
fibers
copolymer
composite
polybenzothiazole polymer
Prior art date
Application number
KR1019940704451A
Other languages
Korean (ko)
Inventor
이. 피어리니 피터
에이. 웨슬링 리취
에이. 닐슨 챨스
Original Assignee
스티븐 에스. 그레이스
더 다우 케미칼 캄파니
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 스티븐 에스. 그레이스, 더 다우 케미칼 캄파니 filed Critical 스티븐 에스. 그레이스
Publication of KR950701948A publication Critical patent/KR950701948A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/24—Impregnating materials with prepolymers which can be polymerised in situ, e.g. manufacture of prepregs
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/71—Ceramic products containing macroscopic reinforcing agents
    • C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
    • C04B35/80—Fibres, filaments, whiskers, platelets, or the like
    • C04B35/83—Carbon fibres in a carbon matrix
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
    • C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2381/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen, or carbon only; Polysulfones; Derivatives of such polymers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ceramic Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Structural Engineering (AREA)
  • Composite Materials (AREA)
  • Reinforced Plastic Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Inorganic Fibers (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

폴리벤즈아졸 매트릭스중에 탄소섬유 또는 폴리벤즈아졸 섬유를 함유하는 매트릭스 복합재를 탄화시켜 탄소-탄소 복합재를 제조한다.Carbon-carbon composites are prepared by carbonizing matrix composites containing carbon fibers or polybenzazole fibers in a polybenzazole matrix.

Description

탄소-탄소 복합재의 합성방법(Metod to synthesize carbon-carbon composites)Method to synthesize carbon-carbon composites

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

Claims (10)

유기 매트릭스 물질이 이액(lyotropic) 액정 폴리벤즈 옥사졸 또는 폴리벤조티아졸 중합체 도는 공중합체 임을 특징으로 하여, 유기 매트릭스 물질에 매립된 섬유를 함유하는 매트릭스 복합재를 유기 매트릭스 물질을 탄소로 전환시키기에 충분한 온도 및 시간으로 가열하여 탄소-탄소 복합재를 제조하는 방법.The organic matrix material is a lyotropic liquid crystal polybenz oxazole or polybenzothiazole polymer or copolymer, so that the matrix composite containing fibers embedded in the organic matrix material is sufficient to convert the organic matrix material to carbon. A method of producing a carbon-carbon composite by heating to temperature and time. 제1항제 있어서, 매트릭스 복합재가 (a) 탄소 섬유 또는 폴리벤즈아졸 섬유를 함유하는 기질을 용매에 용해된 폴리벤즈옥사졸 또는 폴리벤조티아졸 중합체 또는 공중합체를 함유하는 도프(dope)로 함침시켜 프리프레그를 제조하는 단계 및 (b) 프리프레그를 하나 이상의 액체로 세척하여 복합재로부터 실질적으로 모든 잔류 용매를 제거하는 단계에 의해 제조하는 방법.The method of claim 1 wherein the matrix composite is (a) impregnated with a dope containing a polybenzoxazole or polybenzothiazole polymer or copolymer dissolved in a solvent containing a substrate containing carbon fibers or polybenzazole fibers. Preparing the prepreg and (b) washing the prepreg with one or more liquids to remove substantially all residual solvent from the composite. 제1항 또는 제2항에 있어서, 폴리벤즈옥사졸 또는 폴리벤조티아졸 중합체 또는 공중합체가 약 50중량% 이상의 탄화물(char)을 생성시키는 방법.The method of claim 1 or 2, wherein the polybenzoxazole or polybenzothiazole polymer or copolymer produces at least about 50% by weight of char. 제1항 내지 제3항중 어느 한 항에 있어서, 폴리벤즈 옥사졸 또는 폴리벤조티아졸 중합체 또는 공중합체가 약 60중량% 이상의 탄화물을 생성시키는 방법.The method of claim 1, wherein the polybenz oxazole or polybenzothiazole polymer or copolymer produces at least about 60% by weight carbide. 제1항 내지 제4항중 어느 한 항에 있어서, 추가의 탄소가 연속되는 화학 증착 또는 액체 함침 및 탄화사이클에 의해 첨가되는 방법.The process according to any of claims 1 to 4, wherein additional carbon is added by continuous chemical vapor deposition or liquid impregnation and carbonization cycle. 제1항 내지 제5항중 어느 한 항에 있어서, 폴리벤즈옥사졸 또는 폴리벤조티아졸 중합체 또는 공중합체가 하기의 반복단위중의 단위를 포함하는 방법.The method according to any one of claims 1 to 5, wherein the polybenzoxazole or polybenzothiazole polymer or copolymer comprises units in the following repeating units. 제1항 내지 제6항중 어느 한 항에 있어서, 탄화 단계의 온도가 900℃ 내지 3000℃에 이르는 방법The process according to claim 1, wherein the temperature of the carbonization step reaches 900 ° C. to 3000 ° C. 8. 제1항 내지 제7항중 어느 한 항에 있어서, 탄화 단계를 약 10시간 이하로 수행하는 방법.The method of any one of claims 1 to 7, wherein the carbonization step is carried out in about 10 hours or less. 제1항 내지 제8항중 어느 한 항에 있어서, 매트릭스 복합재중의 섬유가 탄소섬유인 방법.The method of claim 1, wherein the fibers in the matrix composite are carbon fibers. 제1항 내지 제9항중 어느 한 항에 있어서, 매트릭스 복합재중의 섬유가 폴리벤즈아졸 섬유인 방법.The method of claim 1, wherein the fibers in the matrix composite are polybenzazole fibers. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940704451A 1992-06-04 1993-06-02 Method to synthesize carbon-carbon composites KR950701948A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US89432592A 1992-06-04 1992-06-04
US07/894,325 1992-06-04
PCT/US1993/005303 WO1993024558A1 (en) 1992-06-04 1993-06-02 Method to synthesize carbon-carbon composites

Publications (1)

Publication Number Publication Date
KR950701948A true KR950701948A (en) 1995-05-17

Family

ID=25402923

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940704451A KR950701948A (en) 1992-06-04 1993-06-02 Method to synthesize carbon-carbon composites

Country Status (4)

Country Link
EP (1) EP0643738A1 (en)
JP (1) JPH07507533A (en)
KR (1) KR950701948A (en)
WO (1) WO1993024558A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8617650B2 (en) 2006-09-28 2013-12-31 The Hong Kong University Of Science And Technology Synthesis of aligned carbon nanotubes on double-sided metallic substrate by chemical vapor depositon
JP6613165B2 (en) * 2016-02-16 2019-11-27 平岡織染株式会社 High strength heat resistant sheet

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0203581B1 (en) * 1985-05-30 1991-08-14 Research Development Corporation of Japan Process for producing graphite
DE3675080D1 (en) * 1985-05-30 1990-11-29 Matsushita Electric Ind Co Ltd METHOD FOR PRODUCING GRAPHITE FILMS.
US5196259A (en) * 1990-12-07 1993-03-23 The Dow Chemical Company Matrix composites in which the matrix contains polybenzoxazole or polybenzothiazole
CA2097797A1 (en) * 1990-12-07 1992-06-08 Peter E. Pierini Method to make matrix composites in which the matrix contains polybenzoxazole or polybenzothiazole

Also Published As

Publication number Publication date
EP0643738A1 (en) 1995-03-22
JPH07507533A (en) 1995-08-24
WO1993024558A1 (en) 1993-12-09

Similar Documents

Publication Publication Date Title
Peebles Carbon fibers: formation, structure, and properties
DE69309109T2 (en) METHOD FOR PRODUCING OBJECTS FROM CARBON-SILICON CARBIDE COMPOSITE, AND CARBON-SILICON CARBIDE COMPOSITE
KR900017756A (en) Method for producing the glass composite polydicyclopentadiene by heat treatment
KR850006718A (en) Preparation of Fiber Resin Matrix Prepreg Fabric
US3919387A (en) Process for producing high mesophase content pitch fibers
Kajiura et al. Carbonization and graphitization behavior of iodine-treated coal tar pitch
Sandor PBI (Polybenzimidazole): Synthesis, properties and applications
KR890013237A (en) Carbon fiber balanced with ultra high modulus and high tensile strength
Chai et al. Insight into the reactivity of aromatic-rich fractions co‑carbonized with polyethylene glycol for preparation of isotropic pitch with superior spinnability
KR950701948A (en) Method to synthesize carbon-carbon composites
FR2994968A1 (en) COMPOSITE MATERIAL BASED ON CARBON
US3508871A (en) Carbonizing fibrous materials
US3811927A (en) Process for vapor deposition on glassy-carbon substrate
KR890002458A (en) Manufacturing method of pitch for carbon material
US4369297A (en) Diethynylbenzene-ethynylpyrene copolymers
JPH0242790B2 (en)
FR2994886A1 (en) FIBER-REINFORCED COMPOSITE MATERIAL
US4776995A (en) Method of making a structure
KR910006368A (en) Fiber-Reinforced Poly (biphenylene Sulfide) Complexes and Methods
JP2001240697A (en) Method for collecting carbon fiber from carbon fiber- reinforced plastic by solvent catalyst method
CN1077679A (en) High-toughness polyimide composite material and preparation method thereof
JP2020049469A (en) Carbon membrane module for fluid separation
JPS6126563A (en) Manufacture of oxidation-resistant carbon fiber reinforced carbon material
RU2687672C1 (en) Method of making articles from ceramic-matrix composite material
US4393101A (en) Diethynylbenzene-ethynylpyrene copolymers

Legal Events

Date Code Title Description
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid