STUDY ON 1-HEXENE POLYMERIZATION BASED ON ZIEGLER-NATTA CATALYSTS WITH DOPED SUPPORT  

作　　者：范志强 

机构地区：[1]The Institute of Polymer Science, Zhejiang University, Hangzhou 310027, China

出　　处：《Chinese Journal of Polymer Science》2004年第4期305-308,共4页高分子科学（英文版）

基　　金：This work was supported by the National Natural Science Foundation of China (grant No. 20174034, 20274037).

摘　　要：A series of Ti/Mg supported catalysts are prepared by using ball-milled mixtures of MgCl2-ethanol adducts and NaCl as supports, and 1-hexene polymerizations catalyzed by the novel catalysts are studied. It is found that the molecular weight distribution of poly(1-hexene) becomes apparently narrower when catalysts with doped supports are used, indicating that changing the structure of the support is an effective way to regulate the active center distribution of heterogeneous Ziegler-Natta catalyst.A series of Ti/Mg supported catalysts are prepared by using ball-milled mixtures of MgCl2-ethanol adducts and NaCl as supports, and 1-hexene polymerizations catalyzed by the novel catalysts are studied. It is found that the molecular weight distribution of poly(1-hexene) becomes apparently narrower when catalysts with doped supports are used, indicating that changing the structure of the support is an effective way to regulate the active center distribution of heterogeneous Ziegler-Natta catalyst.

关 键 词：Ziegler-Natta catalyst Doped support 1-Hexene polymerizations 

分 类 号：O643.32[理学—物理化学]