A rubber composition comprises a rubber component that comprises at least one halobutyl rubber in an amount from 60 to 100 phr and a filler component that comprises fillers F1 having 14C content of 0.20 to 0.45 Bq/g of carbon; carbon content of 60 wt. % to 85 wt. %; acidic hydroxy groups on their surface; wherein weighted arithmetic average of STSA of F1 is from 40 m2/g to 80 m2/g; F1 have a volume-based median particle size distribution from 0.5 μm to 5 μm and a volume-based value from 3 μm to 23 μm; and (i) the filler component comprises more than 45 phr of F1; or (ii) the filler component comprises more than 25 phr of F1 and additionally comprises one or more industrial carbon blacks F2, wherein weighted arithmetic average of STSA of the F2 is 55 m2/g to 95 m2/g.
RUBBER COMPOSITION FOR AN INNER LINER FOR PNEUMATIC VEHICLE TIRES
26.06.2025
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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