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用松木粉／杉木粉对聚丙烯填充改性为实验研究对象，探讨了木粉的种类、表面处理和填充量对ＰＰ力学性能的影响。
Polypropylene filled with pine wood / fir powder was modified into experimental research object, and the effects of wood flour types, surface treatment and filling amount on the mechanical properties of PP were discussed.