This invention relates to novel transition metal catalyst compounds comprising four oxygen atoms bonded to a transition metal where two of the oxygen groups are bond to the metal by dative bonds, catalyst systems comprising such and polymerization processes using such.
本发明涉及新型过渡
金属催化剂化合物,该化合物由四个氧原子与过渡
金属键合而成,其中两个氧基团通过二价键与
金属键合,本发明还涉及包含此类催化剂的催化剂体系以及使用此类催化剂的聚合工艺。