Monocyclopentadienyl complexes in which the cyclopentadienyl system bears at least one unsubstantiated, substituted or fused, hetero aromatic 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,在该配合物中,
环戊二烯基系统至少承载一个未取代、取代或融合的杂环芳香环系统,通过特定桥连接,催化剂系统包括至少一个这些单
环戊二烯基配合物,使用该催化剂系统进行烯烃的聚合或共聚合,以及在该催化剂系统的存在下通过烯烃的聚合或共聚合制备的聚烯烃的方法和可获得的聚合物。