Process for the preparation of polymer of 1-butene
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United States of America Patent
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Dec 3, 2013
Grant Date -
May 10, 2012
app pub date -
Jul 2, 2010
filing date -
Jul 14, 2009
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Abstract
A process for the preparation of 1-butene homopolymers or 1-butene/alpha olefin copolymers wherein the alpha olefins are selected from ethylene, propylene or alpha olefins of formula CH2═CHZ wherein Z is a C3-C20 alkyl radical, comprising contacting 1-butene or 1-butene and one or more alpha olefins under polymerization conditions in the presence of a catalyst system comprising:
- (a) a solid component comprising a Ti compound and an internal electron-donor compound supported on MgCl2 (b) an alkylaluminum cocatalyst; and(c) a compound of formula (I) as external donor.
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