The second polyimide polymer is prepared with aromatic tetracid dihydride and aromatic diisocyanate and through a one-step condensation reaction in organic solvent and under the action of catalyst.
第二种酰亚胺
是芳香
二酐与芳香
二异氰
酯,在有机溶剂中,在催化剂的作用下,
步法缩
反应制备得到;