An electron-withdrawing group-containing metal compound (I) of an atom of the Group III to the Group XII or lanthanide series of the Periodic Table of the Elements, a catalyst component for addition polymerization composed of the compound (I), a catalyst for addition polymerization obtained by contacting the compound (I) with a specific compound (II) of metal of the Group III to the Group XIII or lanthanide series and optionally an organoaluminum compound (III), and a process for producing an addition polymer using the catalyst.
元素周期表中第 III 族至第 XII 族或
镧系原子的含电子抽离基的
金属化合物 (I),由该化合物 (I) 组成的加成聚合用催化剂组分,通过将该化合物 (I) 与第 III 族至第 XIII 族或
镧系元素的特定
金属化合物 (II) 以及可选的
有机铝化合物 (III) 接触而获得的加成聚合用催化剂,以及使用该催化剂生产加成聚合物的工艺。