Borohydride metallocene complex of a lanthanide, catalytic system including the said complex, polymerisation method using same and ethylene/butadiene copolymer obtained using said method
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United States of America Patent
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Sep 18, 2012
Grant Date -
Jun 28, 2012
app pub date -
Nov 7, 2011
filing date -
Nov 9, 2005
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Abstract
Borohydride metallocene complex of lanthanide, preparation process, catalytic system incorporating it, copolymerization of olefins employing catalytic system and ethylene/butadiene copolymer, the butadiene units comprise 1,2-cyclohexane or 1,2- and 1,4-cyclohexane links. The complex corresponds to of formulae A and/or B:
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