Bis(arylimino)acenaphthene nickel(II) complexes

摘要

Certain olefins such as ethylene, &agr;-olefins and cyclopentene can be polymerized by using catalyst system containing a nickel or palladium . alpha.-diimine complex, a metal containing hydrocarbylation compound, and a selected Lewis acid, or a catalyst system containing certain nickel[II] or palladium[II] compounds, an &agr;- diimine, a metal containing hydrocarbylation compound, and optionally a selected Lewis acid. The process advantageously produces polyolefins useful for molding resins, films, elastomers and other uses.