Diene polymers and copolymers terminated by reaction with aromat

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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Details

5253329, 5253331, 5253332, 525377, C08F 830

Patent

active

051532719

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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