Manufacturing process for high cis poly(butadiene)
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United States of America Patent
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Nov 25, 1997
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app pub date -
Oct 17, 1996
filing date -
Oct 18, 1995
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Abstract
A process for the manufacture of linear, substantially gel free, high cis 1,4 poly(butadiene) comprising polymerization in the presence of (a) a catalyst comprising at least one cobalt compound, at least one organoaluminium compound, and water, and (b) a cycloalkane as main solvent component, and (c) at least one substituted benzene as polymerization regulator of the general formula ##STR1## wherein n is an integer in the range of from 3 to 5, and wherein each R represents a lower alkoxy group containing from 1 to 6 carbon atoms.
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