Rubber composition including carbon black with silica fixed...

Details Rubber composition including carbon black with silica fixed... Rubber composition including carbon black with silica fixed...

C - Chemistry, Metallurgy

08

L

C08L 15/00 (2006.01) B60C 1/00 (2006.01) C08C 19/25 (2006.01) C08C 19/44 (2006.01) C08K 3/04 (2006.01) C08K 9/02 (2006.01)

Patent

CA 2241793

This invention relates to a rubber composition having improved hysteretic and physical properties, making it particularly suitable for tire treads, reducing tire rolling resistance. The composition includes carbon black with silica fixed to the surface as a majority reinforcing agent and at least one diene polymer functionalized with a functionalizing agent corresponding to the general formula I: (Y)m-R1-Si(OR2)3-nR3n.

Composition de caoutchouc possédant des propriétés hystérétiques et physiques améliorées la rendant particulièrement apte à constituer une bande de roulement d'un pneumatique ayant notamment une résistance au roulement réduite, comprenant du noir de carbone ayant de la silice fixée à sa surface à titre de charge renforçante majoritaire et au moins un polymère diénique fonctionnalisé avec un agent de fonctionnalisation répondant à la formule générale I: (Y)m-R1-Si(OR2)3-nR3n.

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