申请人:Tonen Corporation
公开号:EP0233409A2
公开(公告)日:1987-08-26
An aromatic compound having sulfonyl groups useful as an intermediate or raw material for novel polyimides having a good and well-balanced heat resistance and moldability is produced by reacting a compound represented by the general formula,
wherein Ar is
or
Y is a bond, oxygen atom, sulfur atom,
nd R is a hydrogen atom or-SO2X and X is a halogen atom or alkali metal, with a compound represented by the following general formula,
wherein X' and X2 are simultaneously methyl groups or form
and Z is a hydrogen atom, alkyl group having 1 to 6 carbon atoms or aryl group having 6 to 8 carbon atoms and R' is a hydrogen atom, -SO2X, halogen atom or nitro group, X is a halogen atom or alkali metal and one or R and R' is -SO2X and the other is a different group.
The resultant product is of the formula
and the target polyimides have a recurring unit of the formula,
一种具有磺酰基的芳香族化合物,可用作新型聚酰亚胺的中间体或原料,该新型聚酰亚胺具有良好且均衡的耐热性和成型性,该芳香族化合物是由通式如下的化合物反应制得的、
其中 Ar 是
或
Y 是键、氧原子、硫原子、
R为氢原子或-SO2X,X为卤素原子或碱金属,与下式通式所代表的化合物反应制得、
其中 X'和 X2 同时为甲基或形成
Z为氢原子、1-6个碳原子的烷基或6-8个碳原子的芳基,R'为氢原子、-SO2X、卤素原子或硝基,X为卤素原子或碱金属,R和R'中的一个为-SO2X,另一个为不同的基团。
生成物的结构式为
而目标聚酰亚胺具有式中的递归单元、