Supported polyethylene polymerization catalysts utilizing substituted polystyrene resins
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United States of America Patent
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Jan 17, 1984
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N/A
app pub date -
Dec 1, 1982
filing date -
Dec 1, 1982
priority date (Note) -
Expired
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Abstract
A supported catalyst for the polymerization and copolymerization of ethylene which comprises a reduced tetravalent titanium compound, an aluminum alkyl and a substituted polystyrene resin support. After treatment of the polymer with magnesium salts, either the titanium component or the aluminum component is prereacted with the substituent groups of the polystyrene resin which are selected from the group consisting of hydroxymethyl, chloromethyl, and sulphonate.
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