ALPHA-OLEFIN OLIGOMERS WITH NARROW MOLAR-MASS DISTRIBUTIONS FROM ZIRCONOCENE/METHYLALUMINOXANE CATALYSTS - AN EXAMINATION OF THE STRUCTURE-REACTIVITY RELATIONSHIP

被引:36
作者
JANIAK, C [1 ]
LANGE, KCH [1 ]
MARQUARDT, P [1 ]
机构
[1] TECH UNIV BERLIN,INST CHEM TECH,D-10623 BERLIN,GERMANY
关键词
D O I
10.1002/marc.1995.030160902
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
A series of tert-butyl substituted zirconocene/methylaluminoxane catalysts illustrates the potential for the tailoring of olefin oligomers with extremely narrow molar mass distributions, which are explained on the basis of a chain-length dependent propagation rate. Comparative oligomerization experiments provide a means to estimate the relative rates for chain propagation versus chain transfer as well as a correlation with the metallocene structure.
引用
收藏
页码:643 / 650
页数:8
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