Olefin polymerization catalysts are of great use in industry. Hence there is interest in finding new catalyst systems that increase the commercial usefulness of the catalyst and allow the production of polymers having improved properties.
There is a need in the art for new and improved catalysts and catalyst systems to obtain new and improved polyolefins, polymerization processes, and the like. Accordingly, there is a need in the art for new and improved catalyst systems for the polymerization of olefins, in order to achieve specific polymer properties, such as high polymer melting point, high polymer molecular weights, long chain branching, vinyl termination, to increase conversion or comonomer incorporation, and/or to alter comonomer distribution without deterioration of the properties of the resulting polymers.
USPTO Backgrounds
USPTO Backgrounds