BigPatents India

The invention provides rubber mixtures containing (a) a rubber or mixture of rubbers, (b) a filler, (c) an organosilane of the general formula I (D) a thiuram accelerator and (E) a nitrogen-containing co-activator, the weight ratio of thiuram accelerator (D) to nitrogen- containing co-activor (E) being equal to or greater than 1. The rubber mixtures are prepared by mixing the rubber or mixture of rubbers (A), a filler (B), an organosilane of the general formula I (C), a thiuram accelerator (D) and a nitrogen-containing co-activator (E) in a mixing unit. The rubber mixtures can be used in pneumatic tyres, tyre treads, cable sheaths, hoses, drive belts, conveyor belts, roller coverings, tyres, shoe soles, gaskets and damping elements. (FIGnil).