采用动态光交联法制备了PP/EPDM热塑性弹性体.动态力学热分析(DMTA)和扫描电子显微镜(SEM)及力学性能测试表明:动态光交联能明显提高PP与EPDM间的相容性,从而显著提高PP/EPDM热塑性弹性体的拉伸性能和缺口冲击强度.并结合DMTA、差热扫描量热仪(DSC)等手段,证实了动态光交联过程中产生了少量的接枝共聚物PP-g-EPDM.
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