Specifications for particular types of winding wires. part 44: aromatic polyimide tape wrapped rectangular copper wire, class 240.
特种绕组线规范。第44部分：芳族聚酰亚胺包装矩形铜线。240级。
An aromatic polyimide made by reacting pyromellitic dianhydride with an aromatic diamine; has high resistance to thermal stresses; used to made components of internal combustion engines.
苯四酸二酐与芳香二胺反应制得的芳香族聚酰亚胺，具有高耐热应力，用于制造内燃机部件。
The second polyimide polymer is prepared with aromatic tetracid dihydride and aromatic diisocyanate.
第二种聚酰亚胺聚合物是芳香族四酸二氢化物与芳香族二异氰酸酯反应生成的。
Polyimide foams were prepared from poly(ester-amine salt) precursor powder through a foaming process, using aromatic dianhydride and diamine as monomers.
以芳香二酐和二胺为单体，采用聚酯铵盐前体粉末发泡的方法制备聚酰亚胺泡沫材料。
The successful synthesis of the aromatic triamine containing pyridine ring laid an important foundation for preparation of a novel hyperbranched polyimide.
这种新型含吡啶环芳香三胺单体的成功合成将为一类新型超支化聚酰亚胺的制备奠定重要的基础。
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 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；
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