Thesubstitution of bromine atoms is on the tertiary carbon of main-chain of the polymersprimally.
反应以自由基机理进行,溴取代主要发生在主链上的叔氢原子上。
IR analysis shows that graft copolymerization takes place on the tertiary carbon atom of PP molecular chain.
红外光谱分析表明,甲基丙烯酸单体在聚丙烯大分子链的叔碳原子上发生接枝共聚。
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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