Catalyst precursor compounds having both (i) a polydentate ligand which comprises a cyclic moiety as well as a heteroatom and (ii) a protected hydride/hydrocarbyl ligand bonded to a metal atom, as well as olefin polymerization catalyst systems based thereupon, polymerization processes using such catalyst systems and polymers produced thereby.
具有以下两个特征的催化剂前体化合物:(i) 包括一个环状基团和一个杂原子的多齿
配体,以及 (ii) 与
金属原子键合的受保护的
氢化物/烃基
配体,以及基于此的烯烃聚合催化剂体系,使用此类催化剂体系的聚合过程和由此产生的聚合物。