申请人:The Dow Chemical Company
公开号:US05817849A1
公开(公告)日:1998-10-06
Novel Group 4 metal complexes wherein the metal is in the +2, +3, or +4 formal oxidation state containing two ligand groups bound by n-electrons, at least one of which is a cyclic or noncyclic, non-aromatic, anionic, dienyl ligand group and having a bridged ligand structure, catalytic derivatives of such complexes; and the use thereof as catalysts for polymerizing addition polymerizable monomers are disclosed.
本发明揭示了四种金属配合物,其中金属处于+2、+3或+4的正式氧化状态,包含两个由n电子结合的配体基团,其中至少一个是环状或非环状、非芳香的阴离子二烯基配体基团,并具有桥接配体结构,这些配合物的催化衍生物;以及将其用作聚合加成聚合物单体的催化剂。