Rubber composition containing organofunctional silane

Details Rubber composition containing organofunctional silane Rubber composition containing organofunctional silane

C - Chemistry, Metallurgy

07

F

C07F 7/18 (2006.01) C07F 11/00 (2006.01) C08K 5/37 (2006.01) C08L 9/06 (2006.01) C08L 15/00 (2006.01) C08L 21/00 (2006.01)

Patent

CA 2642957

A rubber composition containing a rubber component, a filler and at least one organofuntional silane and/or mixture of organofunctional silanes in which individual silanes possess both free and blocked mercaptan functionality or particular mixtures of the organofunctional silanes possess both free and blocked mercaptan functionality. The organofunctional silanes and silane mixtures are useful, inter alia, as coupling agents for elastomeric compositions, e.g., rubber formulations employed in the manufacture of tires, where they exhibit a desirable balance of low scorch and good performance properties.

L'invention concerne une composition de caoutchouc contenant un composant de caoutchouc, des charges et au moins un silane organofonctionnel et/ou un mélange de silanes organofonctionnels, les silanes individuels possédant des fonctionnalités mercaptan à la fois libres et bloquées ou des mélanges particuliers des silanes organofonctionnels possédant des fonctionnalités mercaptan à la fois libres et bloquées. Les silanes organofonctionnels et les mélanges de silanes sont utiles, entre autres, en tant qu'agents de couplage pour compositions élastomériques, par exemple pour des formulations de caoutchouc utilisées pour la fabrication des pneus, où ils présentent un équilibre recherché d'un faible grillage et de bonnes performances.

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