Catalyst support method and polymerization with supported catalysts
AssigneeUnivation Technologies, LLC
InventorsThomas Henry Peterson, Eric Lucas
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Abstract
This invention relates to a method to support one or more catalyst compounds comprising contacting the catalyst compounds with a pretreatment agent comprising an aluminum alkyl and or an alumoxane in solution and thereafter contacting the combination with a supported activator.
Claims28
A method to support one or more catalyst compounds comprising contacting the catalyst compounds with a pretreatment agent, selected from the group consisting of aluminum alkyls, alumoxanes and mixtures thereof, in solution, and thereafter contacting the combination with a supported activator.
A process to polymerize olefins comprising contacting one or more olefins with a catalyst system comprising at least one catalyst compound and at least one supported activator wherein the catalyst compound has been combined with a pretreatment agent selected comprising an aluminum alkyl or an alumoxane prior to being contacted with the supported activator.
Dependencies are inferred from the claim text.