Polymerizing olefins with a novel catalyst

There is provided a solid, particulate, catalytic complex suitable for the stereospecific polymerization of olefins prepared by reducing TiCl4, contacting the resultant reduced solid with a complexing agent to obtain a treated solid and contacting the treated solid with TiCl4 in the presence of sili...

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Bibliographic Details
Main Authors LUNDEN; RICHARD W, SWIFT; HAROLD E
Format Patent
LanguageEnglish
Published 28.02.1984
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:There is provided a solid, particulate, catalytic complex suitable for the stereospecific polymerization of olefins prepared by reducing TiCl4, contacting the resultant reduced solid with a complexing agent to obtain a treated solid and contacting the treated solid with TiCl4 in the presence of silica which has been treated with an alkylaluminum halide. When such a catalyst complex is combined with a suitable activator to polymerize olefins, a high degree of stereospecificity is attained, the activity of the catalyst complex is reduced for polymerization control and the efficiency of the titanium employed is enhanced.
Bibliography:Application Number: US19820434702