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AssigneeDow Global Technologies LLC
InventorsDaniel J. Arriola, Edmund M. Carnahan, Yunwa Wilson Cheung, David D. Devore, David D. Graf, Phillip D. Hustad, Roger L. Kuhlman, Colin Li Pi Shan, Benjamin C. Poon, Gordon R. Roof, James C. Stevens, Pamela J. Stirn, Timothy T. Wenzel
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A composition for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the composition comprises the admixture or reaction product resulting from combining: (A) a first metal complex olefin polymerization catalyst, (B) a second metal complex olefin polymerization catalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.
A multi-block copolymer comprising in polymerized form ethylene and one or more copolymerizable comonomers, said copolymer containing therein two or more blocks differing in comonomer content, crystallinity, density, melting point or glass transition temperature;
Dependencies are inferred from the claim text.