SOLID CATALYST FOR PROPYLENE POLYMERIZATION AND A METHOD FOR PREPARATION OF POLYPROPYLENE
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United States of America Patent
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Issued Date -
Jan 2, 2014
app pub date -
Jun 18, 2013
filing date -
Jun 27, 2012
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Abandoned
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Abstract
Provided are a solid catalyst which includes an internal electron donor mixture including at least one selected from bicycloalkane dicarboxylates and bicycloalkene dicarboxylates, and benzene 1,2-dicarboxylic acid ester, and can produce a polypropylene having excellent stereoregularity and melt flowability with a high catalytic activity, and a method for preparing polypropylene using the catalyst.
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