Ziegler-natta catalyst, preparation, and use for the polymerization of alkenes
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United States of America Patent
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Feb 22, 2011
Grant Date -
Apr 24, 2008
app pub date -
Dec 12, 2007
filing date -
Sep 7, 2004
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Abstract
A method for making a solid catalytic component for a Ziegler-Natta catalyst includes contacting a particulate porous support with a solution of a hydrocarbon soluble organomagnesium precursor compound in a hydrocarbon solvent; and reacting said hydrocarbon soluble organo-magnesium precursor compound with an amount of aliphatic or aromatic alcohol, said amount being within an acceptable range of a molar equivalent of aliphatic or aromatic alcohol calculated according to formula (I):O)/support=weight percent of physically adsorbed water on the solid support, and said magnesium organic precursor compound being converted to a magnesium-oxygen compound.
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