Catalyst Component for Ethylene Polymerization, Preparation Thereof and Catalyst Comprising the Same
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United States of America Patent
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Issued Date -
Dec 24, 2009
app pub date -
Oct 31, 2006
filing date -
Oct 31, 2005
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Abandoned
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Abstract
is a hydrocarbyl, 0≦x≦2, 0≦y≦2, 0≦z≦4, and x+y+z=4. The present invention further relates to a method for the preparation of the catalyst component and to a catalyst comprising the same. The catalysts according to the invention have virtues such as high catalytic activity, good hydrogen response, and narrow particle size distribution of polymer, and are especially suitable for a slurry process of ethylene polymerization and a combined process of ethylene polymerization, which requires a high activity of catalyst.
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