Method of making alkoxysilane stabilized polymers, and polymer compositions
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United States of America Patent
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Apr 4, 2017
Grant Date -
May 14, 2015
app pub date -
Jun 6, 2013
filing date -
Jun 6, 2012
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Abstract
A method of making a polymer with stable Mooney viscosity is described. A conjugated diolefin is reacted in a hydrocarbon solvent in the presence of an initiator to form a polymer. After forming the polymer, alkoxysilane terminal functionalizing groups are bonded to the polymer. An alkoxysilane stabilizing agent is then added to the polymer in the presence of hydrocarbon oil. The polymer is then desolvatized, resulting in a polymer with stable Mooney viscosity, even over prolonged periods of time. Compositions and articles containing the polymer are also described.
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