MIXED DONOR SYSTEM FOR HIGH MELT FLOW AND HIGH ACTIVITY
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United States of America Patent
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Issued Date -
Feb 10, 2011
app pub date -
Aug 6, 2009
filing date -
Aug 6, 2009
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Abstract
Disclosed are catalyst systems and methods of using the same for the polymerization of an olefin containing a solid titanium catalyst ant two external electron donors. Use of an aminosilane and an alkylsilane as external electron donors provide for high hydrogen response, high isotacticity, and high activity.
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