| abstract |
The present invention provides a process for producing a rubber mixture, for example, in a mixing process having a plurality of mixing stages that can be divided into a plurality of sub-steps, including mixing the following components: To: One or more rubbers, One or more hydroxylated oxide fillers, One or more sulfur-containing organosilicons and / or one or more hydroxypolysulfide compounds, One or more anti-reversion agents selected from the following: 1,6-bis (N, N-dibenzyl-thiocarbamoyldithio) hexane (CAS No .: 151900-44-6), 1 , 3-bis ((3-methyl-2,5-dioxopyrrol-1-yl) methyl) benzene (CAS No.:119462-56-5), and hexamethylene 1,6-bis (thiosulfate) disodium salt Dihydrate (CAS No .: 5719-73-3) alone and mixtures thereof (these are incorporated into the mixture in the first mixing stage), One or more vulcanizing additives, • One or more rubber additives. |