Embodiments are directed to bis- and poly-phosphaguanidine compounds, and the metal-ligand complexes formed therefrom, wherein the metal complexes can be used as procatalysts in polyolefin polymerization. Formulas (I) (II) and (III).
本发明的实施例涉及双
磷胍和多
磷胍化合物,以及由其形成的
金属
配体络合物,其中
金属络合物可用作聚烯烃聚合的催化剂。式(I)(II)和(III)。