申请人:——
公开号:US20030166800A1
公开(公告)日:2003-09-04
New polycyclic cyclopentadiene compounds having the formula (II) wherein the various substituents and symbols R
1
, R
2
, R
3
, R
4
, R
5
, R
6
, R
7
, Z
1
and Z
2
and “n” have the meaning specified in the description. These compounds can form metallocene complexes with transition metals, which have shown unusual properties in the (co)polymerization of ethylene and alpha-olefins in general.
具有以下公式(II)的新多环环戊二烯化合物,其中各种取代基和符号R1、R2、R3、R4、R5、R6、R7、Z1和Z2以及“n”在描述中有指定的含义。这些化合物可以与过渡金属形成茂金属配合物,已在乙烯和α-烯烃的(共)聚合中显示出不寻常的性质。