Diene polymers and copolymers terminated by reaction with aromatic nitriles
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United States of America Patent
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Oct 6, 1992
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N/A
app pub date -
Nov 18, 1991
filing date -
Nov 18, 1991
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Abstract
A terminally functionalized polymer is prepared by reacting a living polymer obtained by anionic polymerization of a diene monomer or mixture of a diene monomer and a vinyl aromatic hydrocarbon monomer with an aromatic nitrile compound. Especially useful aromatic nitriles are the unsubstituted and substituted benzonitriles. The resultant terminally functionalized polymers have reduced hysteresis in the carbon black reinforced and cured state and can be utilized to form elastomer compositions for tire treads having reduced rolling resistance.
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