MOLECULAR MECHANICS AND THE POLYMERIZATION MECHANISM OF HOMOGENEOUS AND HETEROGENEOUS ZIEGLER-NATTA CATALYSTS

被引:11
|
作者
GUERRA, G
CAVALLO, L
VENDITTO, V
VACATELLO, M
CORRADINI, P
机构
[1] Dipartimento di Chimica, Università di Napoli, Napoli, I-80134
关键词
D O I
10.1002/masy.19930690125
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Examples of the application of simple molecular mechanics techniques to the study of the polymerization mechanism of various types of Ziegler-Natta catalysts are reported. Details are given on the new mechanism of enantioselectivity suggested by molecular mechanics studies. The validity of the latter, involving a ''chiral orientation of the growing chain'' which had never been suspected before, has been experimentally proved both for homogeneous and heterogeneous catalysis.
引用
收藏
页码:237 / 246
页数:10
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