Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one unsubstituted, substituted or fused, heteroaromatic ring system bound via a specific bridge, a catalyst system, comprising at least one of these monocyclopentadienyl complexes, the use of the catalyst system for the polymerization or copolymerization of olefins and a process for preparing polyolefins by polymerization or copolymerization of olefins in the presence of the catalyst system and polymers obtainable therewith.
单
环戊二烯基配合物中,
环戊二烯基系统通过特定桥连结至至少一个未取代、取代或融合的杂环芳香环系统,催化剂系统包括至少一个这样的单
环戊二烯基配合物,所述催化剂系统用于烯烃的聚合或共聚合,以及在催化剂系统存在下通过烯烃的聚合或共聚合制备聚烯烃的方法和制得的聚合物。