Process for the polymerization or copolymerization of an alpha olefin
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United States of America Patent
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Aug 1, 2017
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app pub date -
Nov 30, 2016
filing date -
Nov 20, 2012
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Abstract
A solution process for the polymerization or copolymerization of at least one alpha olefin can include adding a Lewis acid to an alkyl aluminum in a hexane or heptane to form a coordination complex, stirring the coordination complex continuously forming a near homogeneous solution in an inert anhydrous environment, adding at least one dry metallocene to the near homogenous solution forming a soluble polymerization initiator, then stirring to form a near homogenous metallocene enriched polymerization initiator, and polymerizing an alpha olefin with the metallocene enriched polymerization initiator and optionally adding additional alkyl aluminum as a moisture scavenger or an impurities scavenger to yield a poly alpha olefin. The at least one dry metallocene can have a transition metal compound. The Lewis acid is capable of forming an ion pair with the at least one dry metallocene.
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