Titanium chloride propylene polymerization catalyst and process for polymerizing propylene therewith
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United States of America Patent
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Feb 17, 1981
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N/A
app pub date -
Jan 14, 1980
filing date -
Jan 14, 1980
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Expired
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Abstract
Titanium chloride catalysts having improved activity to polymerize propylene are prepared by treating TiCl.sub.4 with an aluminum alkyl and treating the resulting titanium chloride catalysts with carbon dioxide and a Lewis base such as di(n-butyl) ether at an elevated temperature.
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