Polymerization process using diene containing catalysts
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United States of America Patent
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Jul 8, 1997
Issued Date -
N/A
app pub date -
May 22, 1995
filing date -
Jun 28, 1994
priority date (Note) -
Expired
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Abstract
Compositions comprising Group 4 metal complexes containing a diene moiety and activating cocatalysts are used as catalysts for polymerizing olefins, diolefins and/or acetylenically unsaturated monomers. Vinylidene aromatic monomers, particularly styrene are polymerized to form highly syndiotactic polymers.
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