Polyimide (PI), as a typical kind of engineering polymer material with highest thermal stability hitherto, has widely been used in the aviation and microelectronic industries because of its outstanding performances.

• 聚酰亚胺是迄今为止在工业应用耐热等级最高的聚合物材料,是一种重要的工程塑料,已在航天航空、电子电气等多项产业中得到广泛应用。