以马来酸酐(MAH)、聚丙烯蜡(PPW)为主要原料,采用原位固相接枝改性法制得PP/CaCO3-MAH-PPW复合材料,并与添加相容剂聚丙烯接枝马来酸酐(PP-g-MAH)所制得的PP/PP-g-MAH/CaCO3复合材料进行比较.结果表明,CaCO3良好的分散性及其与PP基体适宜的界面粘接是复合材料具有较好韧性的关键因素.与PP/PP-g-MAH/CaCO3复合材料相比,PP/CaCO3-MAH-PPW复合材料表现出更佳的冲击、弯曲和加工性能,当m(PP)∶m(CaCO3)=100∶20时,材料缺口冲击强度达到最大值,是基体树脂的1.19倍.
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