Silica reinforced rubber composition and use in tires

Details Silica reinforced rubber composition and use in tires Silica reinforced rubber composition and use in tires

C - Chemistry, Metallurgy

08

L

C08L 9/00 (2006.01) B60C 1/00 (2006.01) C08K 3/04 (2006.01) C08K 3/36 (2006.01)

Patent

CA 2209575

The present invention relates to a rubber composition containing substantial silica reinforcement and pneumatic tires having treads comprised of such rubber composition. The rubber composition comprises an elastomer, substantial silica reinforcement, optionally a minor amount of carbon black reinforcement, and a triblock copolymer of terminal hard styrene based segments and of internal diene based elastomer segments.

Composition de caoutchouc renforcée d'une importante quantité de silice; pneus avec bande de roulement à base de cette composition. Celle-ci comprend un élastomère, un important renfort de silice, facultativement une quantité mineure de noir de carbone comme renfort, et un copolymère triséquencé, avec des segments terminaux durs à base de styrène et des segment élastomères internes à base de diène.

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