tetracid

常见例句

• 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，在有机溶剂中，在催化剂的作用下，一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，在有机溶剂中，在催化剂的作用下，两步法缩合反应制备得到；
• tetracid base
  四酸价碱
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