【摘要】 以偏苯三酸酐和二异氰酸酯为原料 ,N -甲基吡咯烷酮为溶剂 ,筛选适当的助剂 ,控制反应温度、时间 ,适时添加各种助剂控制反应进程、聚合度等 ,制备性能优良的耐高温聚酰胺酰亚胺绝缘漆。更多还原

【Abstract】 Heat-resistance insulating coating of polymide is synthesized with trimellitic anhydride and diisocyanate as raw materials and N-methyl-pyrrilidone as solvent. The product with superior properties can be synthesized through controlling reaction time, adding different kinds of assistants and controlling reaction progress and degree of polymerization.更多还原