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.
第二种聚酰亚胺聚合物是芳香族四酸二酐与芳香族二异氰酸酯,在有机,在催化的作下,一步法缩合备得到;
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.
第二种聚酰亚胺聚合物是芳香族四酸二酐与芳香族二异氰酸酯,在有机,在催化的作下,一步法缩合备得到;
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.
第一种聚酰亚胺聚合物是芳香族含氟二胺与芳香族四酸二酐,在有机,在催化的作下,两步法缩合备得到;
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