Titanocene complexes and its catalyst for preparing syndiotactic polystyrene
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United States of America Patent
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Jul 26, 2005
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Feb 5, 2004
app pub date -
Apr 9, 2003
filing date -
Apr 10, 2002
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Abstract
The present invention relates to a titanocene complex and a catalyst comprising the same and an alkylaluminoxane for preparing syndiotactic polystyrene. The catalyst is applicable to the industrial production of the syndiotactic polymerization of styrene. The titanocene complex has a general formula of R1Ti(OR2R3)3, where R1 is Cp or Cp containing 1-5 C1-4 alkyls, R2 is an aryl containing 6-12 carbon atoms, R3 is a halogen, OR2R3 is a halogenated aryloxy ligand.
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