Catalyst composition comprising shuttling agent for regio-irregular multi-block copolymer formation
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United States of America Patent
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Jul 19, 2011
Grant Date -
Oct 23, 2008
app pub date -
Jan 30, 2006
filing date -
Mar 17, 2005
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Abstract
α-olefin in the presence of a composition comprising 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 having increased incidence of regio-irregular branching compared to the polymer prepared by catalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.
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