A method of forming a vulcanizable rubber composition includes a sequence of non-productive mixing steps. In a first of the non-productive mixing steps, a composite blend is mixed with a first elastomer to generate a first mixture. The composite blend includes a second elastomer, which may be the same as, or different from, the first elastomer, and carbon black. In a second of the non-productive mixing steps, a third elastomer, different from the first elastomer, is mixed with the first mixture, or with a mixture generated from the first mixture, to generate a second mixture. In a productive mixing step, a curing agent is mixed with the second mixture, or with a mixture generated from the second mixture, to generate the vulcanizable rubber composition, which includes the first, second, and third elastomers, carbon black from the composite blend, and an additional amount of a reinforcing filler.
RUBBER COMPOSITION BASED ON MULTIPHASE DILUTION OF COMPOSITE BLEND
07.08.2025
Patent
Elektronische Ressource
Englisch
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen / C08J Verarbeitung , WORKING-UP / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
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