Patent ID: 9023926
Filing Date: 2015-05-05
Classification: B29B,B60C,C08K,C08L

Abstract:
1. A process for producing rubber mixtures in a mixing process with a plurality of mixing stages, which can optionally be divided into a plurality of sub-steps, the process comprising the mixing of the following components: one or more rubbers, one or more hydroxylated oxidic fillers, one or more sulphur-containing organosilicon and/or one or more hydroxy-containing polysulphide compounds, one or more anti-reversion agents selected from 1,6-bis(N,N-dibenzyl-thiocarbamoyldithio)hexane (CAS No.: 151900-44-6) and 1,3-bis((3-methyl-2,5-dioxopyrrol-1-yl)methyl)benzene (CAS No.: 119462-56-5) which are incorporated into the mixture in a first mixing stage, one or more vulcanization additives, and one or more rubber additives.