HIGH-CIS POLYBUTADIENE RUBBER IN BENIGN SOLVENTS AND PROCESS FOR PREPARATION THEREOF
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United States of America Patent
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Issued Date -
Nov 22, 2012
app pub date -
Jan 14, 2011
filing date -
Jan 15, 2010
priority date (Note) -
Abandoned
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Abstract
Disclosed is an improved process for production of relatively gel free high cis-1,4-polybutadiene by polymerizing 1,3-butadiene monomer in presence of organocobalt-alkyl aluminum catalysts and a cycloalkane solvent system, the improvement comprising conducting said process in a predetermined sequence avoiding alkyl or alkoxy substituted benzene as polymerization regulator.
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