Flexible diamine compound for preparation of polyamide and polyimide

摘要

A diamine which is useful in preparing a new flexible polyamide and polyimide with an aromatic dicarboxylic acid and a tetracarboxylic dianhydrides, respectively, has a general formula as follows: wherein R1 is methyl (-CH3) and n is an integer ranging from 1 to 4. These polyamide and polyimide exhibit good mechanical performance and processability