PP/mPE复合材料的制备与性能Preparation and Properties of PP/mPE Composites
王国锋;高宇;李利娜;崔景强;李菲;张恒;
摘要(Abstract)：
利用茂金属聚乙烯(mPE)对聚丙烯(PP)进行共混改性，研究了mPE对PP力学性能、光学性能、热性能和流变性能的影响。结果表明：随着mPE用量的增加，PP/mPE复合材料的拉伸强度逐渐降低，断裂伸长率先增大后减小，当mPE质量分数为20%时，PP/mPE复合材料的断裂伸长率达到最大值(225.41%),约为纯PP的4倍；mPE对PP的透光率的影响不大，但使其雾度显著降低；mPE用量的增加使PP的结晶度逐渐下降，当mPE用量大于20%时，PP/mPE复合材料出现了宏观相分离；当mPE质量分数为20%时，PP/mPE复合材料的综合力学和光学性能最优。
关键词(KeyWords)： 聚丙烯;茂金属聚乙烯;力学性能;光学性能;热性能;流变性能
基金项目(Foundation): 国家自然科学基金项目(52003306)
作者(Authors): 王国锋;高宇;李利娜;崔景强;李菲;张恒;
DOI: 10.19690/j.issn1004-3055.20210179
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