石的,从The first polyimide polymer is prepared with aromatic fluoric diamine and aromatic tetracid dihydride and through a two-step condensation reaction in organic solvent and under the action of catalyst.
第一种聚酰亚胺聚
物是芳香族
胺与芳香族四酸酐，在有机溶
中，在催化的作用下，两步法缩
制备得到；
