通过对丙烯等规聚合Ziegler-Natta催化剂体系中给电子体化合物的研究进展进行评述,论述了给电子体尤其是内给电子体在聚丙烯催化剂中的作用机理,着重讨论了各种新型内给电子体、外给电子体化合物的设计原理及其对催化剂性能及丙烯聚合反应的调控作用,分析了新型内给电子体化合物1,3-二醚和琥珀酸酯等的特点、给电子体化合物的功能和作用机理,并提出综合考虑内给电子体的空间效应和电子效应以及内、外给电子体的匹配是给电子体研究的发展方向。
The article comments on the research development of electron donor in Ziegler-Natta catalyst for isotactic polypropylene.The properties of variety internal and external electron donor catalysts and their performances on the polymerization of propylene have been discussed.The features of novel internal electron donors such as 1,3-diether and succinate have been described.And the function,mechanism and research direction of the electron donor are summarized.