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.
这是一个催化剂组合物的描述,由以下成分组成或反应生成:(a)含
铬化合物;(b)
有机镁化合物;和(c)
硅基
膦酸酯。同时,还提供了使用该催化剂组合物制备共轭二烯聚合物的方法。