A catalyst composition that is the combination of or the reaction product of ingredients comprising (a) a chromium-containing compound; (b) an organomagnesium compound; and (c) a silyl phosphonate, also, a process for forming conjugated diene polymers by using the catalyst composition.
一种催化剂组合物,由以下成分的组合或反应产物组成:(a)含
铬化合物;(b)
有机镁化合物;以及(c)
硅基
膦酸酯。此外,还提供了一种使用该催化剂组合物制备共轭二烯聚合物的方法。