Components and catalysts for the polymerization of olefins
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United States of America Patent
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Jul 14, 2009
Grant Date -
Jun 19, 2008
app pub date -
Aug 5, 2005
filing date -
Jun 26, 2001
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Abstract
A catalyst component for the polymerization of olefins comprising a titanium compound, a Mg-dihalide, a difunctional electron donor compound (ED) selected from diesters, diketones, diamines or diethers, and a monofunctional electron donor compound (MD) selected from ethers, esters, amines or ketones, wherein a molar ratio ED/MD is higher than 10.
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