申请人:Chisso Corporation
公开号:US05663440A1
公开(公告)日:1997-09-02
An object of the invention is to propose diamino compounds expressed by the following general formula (1) which are suitable to obtain a raw material, a polyimide resin, for a liquid crystal aligning film without any image sticking and with a high voltage holding ratio at from a low temperature to a high temperature as well as the preparation thereof: ##STR1##
该发明的目的是提出由以下一般式(1)表示的二氨基化合物,这些化合物适合用于制备液晶定向膜的原料,聚酰亚胺树脂,无图像粘连,且在从低温到高温时具有较高的耐电压比率,以及其制备方法: