发明名称 |
Method for producing an imide oligomer |
摘要 |
A method for producing an imide oligomer soluble in an organic solvent by reacting three components of an aromatic tetracarboxylic acid or its derivative, an aromatic diamine and an end-capping agent, wherein the aromatic diamine is a condensation product of o-ethylamiline with formaldehyde, and the end-capping agent is an ethynyl phthalic acid of the formula: <IMAGE> [I] wherein R is a hydrogen atom or a monovalent group selected from the group consisting of an aliphatic group, an alicyclic group and an aromatic group, or its derivative.
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申请公布号 |
US5066771(A) |
申请公布日期 |
1991.11.19 |
申请号 |
US19900502741 |
申请日期 |
1990.04.02 |
申请人 |
KOZO IIZUKA, DIRECTOR-GENERAL OF AGENCY OF INDUSTRIAL SCIENCE AND TECHNOLOGY |
发明人 |
HINO, SEIICHI;SATOU, SHOICHI;KOURA, KOUJI;SUZUKI, OSAMU |
分类号 |
C07D209/48;C07D487/04;C08G73/10 |
主分类号 |
C07D209/48 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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