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.
第种聚酰亚胺聚合物是芳四酸芳异氰酸酯,在有机溶剂中,在催化剂的作用下,步法缩合反应制备得到;
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.
第种聚酰亚胺聚合物是芳四酸芳异氰酸酯,在有机溶剂中,在催化剂的作用下,步法缩合反应制备得到;
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.
第种聚酰亚胺聚合物是芳氟胺芳四酸,在有机溶剂中,在催化剂的作用下,两步法缩合反应制备得到;
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