The invention provides rubber compositions comprising:a diene rubber component; anda filler system, wherein the filler system comprises:a first silica which is surface-functionalised and has a BET specific surface area of from 250 to 310 m2/g and a CTAB specific surface area of from 230 to 285 m2/g; anda second silica which is not surface-functionalised and has a BET specific surface area of from 60 to 120 m2/g and a CTAB specific surface area of from 55 to 105 m2/g.The rubber compositions are particularly suitable for use in the production of tire components, in particular tire treads.
RUBBER COMPOSITIONS
KAUTSCHUKZUSAMMENSETZUNGEN
COMPOSITIONS DE CAOUTCHOUC
25.01.2023
Patent
Elektronische Ressource
Englisch
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen / 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 |