Silica-coated alumina activator-supports for metallocene catalyst compositions

Silica-coated alumina activator-supports, and catalyst compositions containing these activator-supports, are disclosed. Methods also are provided for preparing silica-coated alumina activator-supports, for preparing catalyst compositions, and for using the catalyst compositions to polymerize olefins...

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Bibliographische Detailangaben
Hauptverfasser: Clear, Kathy S, Yang, Qing, McDaniel, Max P, Benham, Elizabeth A, Muninger, Randy S
Format: Patent
Sprache:eng
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Zusammenfassung:Silica-coated alumina activator-supports, and catalyst compositions containing these activator-supports, are disclosed. Methods also are provided for preparing silica-coated alumina activator-supports, for preparing catalyst compositions, and for using the catalyst compositions to polymerize olefins.