通过应用偏光显微镜、广角x射线衍射、差示扫描量热(DSC)等手段分析和表征了PP/PA6/nano-CaCO<,3>聚丙烯三元复合材料共混体系各组分对其结晶性能的影响.研究发现,PA6、nano-CaC0<,3>对改性聚丙烯复合材料均有诱导成核结晶的作用,加入nano-CaCO<,3>的复合材料的诱导结晶作用要高于加入PA6的复合材料,同时复合材料的结晶温度和结晶速率得到提高.改性后的复合材料结晶度都有不同程度的下降,其中PP/PA6/POE-g-MAH的结晶度为31.83%,PP/PA6/nano-CaCO/POE-g-MAH的为33.83%.
参考文献
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