KR860008222A - Process for preparing cured fibrous composites and thermosetting prepolymers - Google Patents

Process for preparing cured fibrous composites and thermosetting prepolymers Download PDF

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Publication number
KR860008222A
KR860008222A KR1019850002274A KR850002274A KR860008222A KR 860008222 A KR860008222 A KR 860008222A KR 1019850002274 A KR1019850002274 A KR 1019850002274A KR 850002274 A KR850002274 A KR 850002274A KR 860008222 A KR860008222 A KR 860008222A
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South Korea
Prior art keywords
hydroxy
methylated
pyrazine
aldehyde
fibers
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KR1019850002274A
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Korean (ko)
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엘 스웨어링겐 로렌
라툴립 렌디엘.
Original Assignee
리차드 고든 워터맨
더다우 케미칼 캄파니
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Priority to KR1019850002274A priority Critical patent/KR860008222A/en
Publication of KR860008222A publication Critical patent/KR860008222A/en

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Abstract

내용 없음No content

Description

경화된 섬유상 합성품 및 열경화성 프리폴리머의 제조방법Process for preparing cured fibrous composites and thermosetting prepolymers

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

Claims (8)

하나 이상의 하이드록시 방향족 모노-알데히드와 하나 이상의 다음 일반식을 갖는 메틸화된 피리딘 또는 피라진과의 수지상 반응 생성물로부터 제조됨을 특징으로 하는 경화된 섬유상 합성품.A cured fibrous composite made from a dendritic reaction product of at least one hydroxy aromatic mono-aldehyde with methylated pyridine or pyrazine having at least one of the following general formulas. 상기식에서,In the above formula, Z는 N,C-CH3,C-CH2CH3또는 C-H이고,Z is N, C-CH 3 , C-CH 2 CH 3 or CH, R은 수소, 메틸 또는 에틸이고, 이때 링상의 메틸그룹의 총수는 2내지 4이다.R is hydrogen, methyl or ethyl, wherein the total number of methyl groups on the ring is 2-4. 제1항에 있어서, 메틸화된 피리딘이 2,4,6-트리메틸피리딘, 2,6-디메틸피리딘 또는 그의 혼합물임을 특징으로 하는 합성품.The composite of claim 1 wherein the methylated pyridine is 2,4,6-trimethylpyridine, 2,6-dimethylpyridine or a mixture thereof. 제1항에 있어서, 메틸화된 피라진이 2,3,5,6-테트라메틸피라진, 2,5-디메틸피라진 또는 그의 혼합물임을 특징으로 하는 합성품.The synthetic article of claim 1 wherein the methylated pyrazine is 2,3,5,6-tetramethylpyrazine, 2,5-dimethylpyrazine, or a mixture thereof. 제1항에 있어서, 하이드록시 방향족 모노-알데히드가 4-하이드록시,벤즈알데히드 또는 2-하이드록시 벤즈알데히드임을 특징으로 하는 합성품.The synthetic article of claim 1 wherein the hydroxy aromatic mono-aldehyde is 4-hydroxy, benzaldehyde or 2-hydroxy benzaldehyde. 제1항에 있어서, 섬유가 흑연섬유, 글래스섬유, 아라미드섬유 또는 석면섬유임을 특징으로 하는 합성품.The composite article according to claim 1, wherein the fibers are graphite fibers, glass fibers, aramid fibers or asbestos fibers. 하이드록시 방향족 모노-알데히드와 다음 일반식의 메틸화된 피라진을 산성촉매 존재하에 반응시킴을 특징으로 하는 열경화성프리폴리머의 제조방법.A process for preparing a thermosetting prepolymer characterized in that a hydroxy aromatic mono-aldehyde and methylated pyrazine of the following general formula are reacted in the presence of an acidic catalyst. 상기식에서,In the above formula, R은 수소, 메틸 또는 에틸이고 링상의 메틸 그룹의 수는 2 내지 4이다.R is hydrogen, methyl or ethyl and the number of methyl groups on the ring is 2-4. 제6항에 있어서, 메틸화된 피라진이 2,3,5,6-메트라메틸피라진, 2,5-디메틸피라진 또는 그의 혼합물임을 특징으로 하는 제조방법.7. A process according to claim 6 wherein the methylated pyrazine is 2,3,5,6-metramethylpyrazine, 2,5-dimethylpyrazine or mixtures thereof. 제6항에 있어서, 하이드록시 방향족 모노-알데히드가 4-하이드록시 벤즈알데히드 또는 2-하이드록시 벤즈알데히드임을 특징으로 하는 제조방법.7. A process according to claim 6 wherein the hydroxy aromatic mono-aldehyde is 4-hydroxy benzaldehyde or 2-hydroxy benzaldehyde. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019850002274A 1985-04-04 1985-04-04 Process for preparing cured fibrous composites and thermosetting prepolymers KR860008222A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019850002274A KR860008222A (en) 1985-04-04 1985-04-04 Process for preparing cured fibrous composites and thermosetting prepolymers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019850002274A KR860008222A (en) 1985-04-04 1985-04-04 Process for preparing cured fibrous composites and thermosetting prepolymers

Publications (1)

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KR860008222A true KR860008222A (en) 1986-11-14

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KR1019850002274A KR860008222A (en) 1985-04-04 1985-04-04 Process for preparing cured fibrous composites and thermosetting prepolymers

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