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EXECUTIVE SUMMARY.
From:
Rubber & Plastics News
| Date:
November 1, 1999
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COPYRIGHT 1999 Crain Communications, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group.
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A tread formulation containing brominated isobutylene-co-para-methylstyrene blended with cis-polybutadiene and solution-polymerized styrene-butadiene rubber affords improved lab dynamic properties compared to a BR/sSBR control. The increased values of G'' at -30[degree sign]C, G'' at 0[degree sign]C, tangent delta at -30[degree sign]C and tangent delta at 0[degree sign]C indicate the potential for improving tire wet/winter traction. The reduced tangent delta at 60[degree sign]C value is an indicator of lowering the rolling resistance.
A four-step phase mixing sequence is ...
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