In accordance with the drawback of poor thermal deformation resistance, the use of para-phenylene diisocyanate-based polyurethane elastomer (PPDI-PUE) is recommended as one of improving means.

• 针对国内目前聚氨酯弹性体(PUE)存在的耐热形变性能较差的不足,推荐采用对苯二异氰酸酯型PUE(PPDI-PUE)作为改进措施之一。