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本文介绍难熔聚酰亚胺 ,通过共聚方法改进加工性能 ,并在较低温度和压力下成型 ,通过热处理 ,提高PI塑料的热变形温度 ,达到高温使用的目的。
In this paper, refractory polyimide is introduced, the processability is improved by the copolymerization method, and it is molded under lower temperature and pressure. Through heat treatment, the heat distortion temperature of PI plastic can be increased and the high temperature can be used.