申请人:CIBA-GEIGY AG
公开号:EP0409777A2
公开(公告)日:1991-01-23
A polyimide-forming composition comprising
(A) a polycarboxylic acid partial ester of formula
HOOC - R¹ - COOR² I
where R¹ denotes a divalent ethylenically unsaturated aliphatic or cycloaliphatic group of 2 to 20 carbon atoms, and R² denotes the residue, after removal of a hydroxyl group, of an alcohol having from 4 to 20 carbon atoms which has a cycloaliphatic, aromatic or heterocyclic ring and is polymerisable on heating in the presence of an acid,
(B) a partial ester of romula I above in which R¹ denotes a group of formula II
where Ar¹ denotes a tetravalent aromatic group of 6 to 20 carbon atoms linked through aromatic carbon atoms thereof to the indicated carbon atoms, and R² is as defined above,
(C) an aromatic primary polyamine and
(D) a heat-activable substance which releases an acid at a temperature of 100°C or above.
一种聚酰亚胺成型组合物,包括
(A) 式中的聚羧酸部分酯
hooc - r¹ - coor² i
其中 R¹ 表示二价乙烯基不饱和脂肪族或环脂族 2 至 20 个碳原子的基团,R² 表示具有 4 至 20 个碳原子的醇除去羟基后的残余物,该醇具有环脂族环、芳香族环或杂环,在酸存在下加热时可聚合、
(B) R¹ 表示式 II 基团的上述罗曼 I 部分酯
其中 Ar¹ 表示通过其芳香碳原子与所指碳原子相连的 6 至 20 个碳原子的四价芳香基团,R² 如上所定义、
(C) 芳香族伯胺和
(D) 可在 100°C 或以上温度下释放酸的热活性物质。