A catalyst obtained by contacting a specific transition metal compound (A) of Group 7 of the Periodic Table of the Elements, having a pyrazolyl group with an aluminum compound selected from organoaluminums and aluminoxanes and/or a specific boron compound, and a process for producing an addition polymer which comprises polymerizing an addition polymerizable monomer with the catalyst.
一种催化剂,通过将元素周期表第7族的特定过渡
金属化合物(A)中的
吡唑基与
有机铝化合物和/或特定
硼化合物中的铝化合物接触而获得,以及生产加成聚合物的方法,该方法包括使用该催化剂聚合加成聚合可聚合单体。