Bridged bi-aromatic ligands, catalysts, processes for polymerizing and polymers therefrom

New ligands and compositions with bridged bis-aromatic ligands are disclosed that catalyze the polymerization of monomers into polymers. These catalysts with metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olef...

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Bibliographic Details
Main Authors Boussie, Thomas R, Brümmer, Oliver, Diamond, Gary M, Goh, Christopher, LaPointe, Anne M, Leclerc, Margarete K, Shoemaker, James A. W
Format Patent
LanguageEnglish
Published 10.07.2007
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Summary:New ligands and compositions with bridged bis-aromatic ligands are disclosed that catalyze the polymerization of monomers into polymers. These catalysts with metal centers have high performance characteristics, including higher comonomer incorporation into ethylene/olefin copolymers, where such olefins are for example, 1-octene, propylene or styrene. The catalysts also polymerize propylene into isotactic polypropylene.