要实现PP与其它极性聚合物的原位相容，必须首先对PP功能能团化改性。
In order to achieve the in-situ compatibilization of PP and other polymers, we must firstly achieve the functionalization modification of PP.
金属保护剂会影响复合锂基脂的其它性能，而极性聚合物不会对复合锂基脂的其他性能产生不良影响。
The metal protectant may influence other properties of complex lithium grease, but the polar polymer may not in-fluence ones of complex lithium grease.
聚丙烯(PP)是最具发展前途的热塑性高分子材料之一，但是，由于它是非极性聚合物限制了其使用。
Polypropylene (PP) is one of the most promising thermoplastic polymer. However, the use of polypropylene has been restricted because it is a kind of non-polar polymer.
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