(Vinyl sulfoxide)-capped elastomers and compositions containing

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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525343, C08F27300

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active

052760995

ABSTRACT:
Poly (vinyl sulfoxide)- and (vinyl sulfoxide)-capped elastomers made by capping a lithium terminated elastomer (such as a lithium terminated styrene-butadiene rubber) with more than 0.5 equivalent of vinyl sulfoxide monomer provide compounded elastomer vulcanizates of lowered hysteresis characteristics. Such low hysteresis vulcanizates are useful in making road-contacting tread components of pneumatic tires. Tires with such tread components exhibit low rolling resistance and reduced heat build-up during use.

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