Rubber mixtures based on uncrosslinked rubbers and crosslinked rubber particles and multifunctional isocyanates based on polyuret

Abstract

The rubber mixtures according to the present invention consisting of uncrosslinked, double bond-containing rubbers (A), crosslinked rubber particles (B) and multifunctional isocyanates based on polyuret (C), wherein, based on 100 parts by weight (phr) of the rubber components (A) respectively, the component (B) content in the mixture is 1 to 150 parts by weight and the multifunctional isocyanate content based on polyuret (component C) is 1 to 100 parts by weight, can be used to produce rubber vulcanizates and rubber molded articles of all kinds, the vulcanizates produced therefrom exhibiting an advantageous combination of mechanical properties, such as modulus at 300% elongation, elongation at break, tear strength and abrasion resistance.

Dependencies are inferred from the claim text.