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用自制的绢云母质无机紫外屏蔽剂改性聚丙烯（ PP），对光老化后的PP 复合材料进行力学性能测试。
The polypropylene(PP) was modified by self-made sericite-based inorganic UV-screen agent, and the mechanical properties of the PP composites after light aging were tested.
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