COC is a relatively new class of polymers when compared to polypropylene and polyethylene.
COC是一个相对较新级别的聚合物，与聚丙烯和聚乙烯相比。
The properties of rigid particle filled polymers, glass bead-filled polypropylene with different interfacial designs are studied through experiments.
本文针对玻璃微珠填充聚丙烯这一刚性粒子填充聚合物复合体系进行了实验研究。
Antioxidants: Polymers such as polypropylene (PP) are not usable outdoors without appropriate stabilizers, because of the presence of readily removable hydrogen atoms on the tertiary carbon atoms.
抗氧剂：有的聚合物，如聚丙烯，如果其中不加适当的稳定剂，就 不能在户外使用，这是因为它分子中的叔碳原子上存在着易消除的氢原 子。
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