采用Jeziorny与Mo等方法研究了聚丙烯(PP)玫性前后的非等温结晶动力学.结果表明:随着降温速率Φ的增加,结晶温度Tc向低温方向移动;在相同的Φ下,与纯PP相比,液晶共聚物/聚丙烯(LCP-H1/PP)样品的Tc值升高且峰型变窄.对于不同的Φ,LCP-H1/PP均低于纯PP的t1/2值,而LCP-H1/PP比纯PP的n值均有不同程度的提高,表明LCP-H1在PP中起到了异相成核的作用,提高了PP的Tc和成核速率,呈现球晶三维生长.此外,LCP-H1/PP比纯PP的Zc值有所提高,表明液晶共聚物(LCP-H1)的加入使得PP结晶速度加快.Jeziorny法和Mo法研究结果基本一致.
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