Solidifiable rubber mixture, process for production thereof and use thereof

The invention relates to a solidifiable rubber mixture, to a process for production thereof and use thereof. The solidifiable rubber mixture comprises: A) at least one diene caoutchouc functionalised with carboxyl and/or hydroxyl groups and/or their salts, the functionalised diene caoutchouc containing 40-100 wt% of 1,3-butadiene and 1-60 wt% of styrene; B) at least one pale-coloured filler; C) trimethylolpropane; D) at least one fatty acid; and E) optionally further rubber additives, wherein the rubber mixture comprises, based on 100 parts by weight of components A), from 5 to 300 parts by weight of one or more pale-coloured fillers b), from 0.1 to 20 parts by weight of components C) and D), and from 0 to 150 parts by weight of one or more further rubber additives E). The present invention further provides a process for the production of the solidifiable rubber mixture and use thereof for producing rubber solidification products.