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.


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    Title :

    RUBBER COMPOSITIONS


    Additional title:

    KAUTSCHUKZUSAMMENSETZUNGEN
    COMPOSITIONS DE CAOUTCHOUC


    Contributors:

    Publication date :

    2023-01-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    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



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