本文对热致液晶聚合物(TLCP)/玻璃纤维(GF)/聚丙烯(PP)原位混杂复合材料的形态结构、破坏过程、力学性能进行了研究.显微镜的观察结果表明,TLCP的加入使得加工过程中玻纤的破断减弱.TLCP/GF/PP原位混杂复合材料中GF的平均长度是GF/PP复合材料的2.36倍,这使其主承载作用更显著.使用带拉伸实验台的扫描电镜观察到了TLCP微纤或微球对微裂纹扩展的阻滞及延缓作用.TLCP/GF/PP(5/15/85)样品拉伸强度及断裂伸长率分别比GF/PP(15/85)样品提高了22.6%和321%.PP-g-MAH的加入使得原位混杂复合材料的拉伸强度进一步得到提高.
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