Polyolefin catalysts containing heterocyclic carboxylic acid esters
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United States of America Patent
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Dec 21, 1982
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N/A
app pub date -
Jun 4, 1981
filing date -
Jun 4, 1981
priority date (Note) -
Expired
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Abstract
A catalyst system for the preparation of homopolymers and copolymers of alpha monoolefins comprising (1) a titanium halide of the formula TiCl.sub.3.m AlCl.sub.3 where m is a number from 0 to 0.5, (2) an ester of a carboxylic acid having an oxygen, nitrogen, or sulfur-containing heterocyclic structure, and (3) an appropriate conventional aluminum alkyl.
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