The invention relates to a rubber composition based on one or more specific functionalized diene elastomers and on one or more carbon blacks with a CTAB specific surface varying from 100 to 200 m2/g, the functionalized diene elastomer or elastomers being composed of a specific diene elastomer functionalized, at the chain end or in the middle of the chain, by a tin functional group and of a content of less than 15% by weight, with respect to the total weight of the functionalized diene elastomer, of a non-tin functional elastomer. The diene elastomer exhibits a monomodal distribution of molecular weights before functionalization and a polydispersity index before functionalization of less than or equal to 1.3. This composition makes it possible to obtain tires having an improved wear resistance and which are characterized by decrease in rolling resistance, without damaging the processing and the wet grip.


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    Title :

    Composition containing a particular diene elastomer and a carbon black having a particular specific surface area


    Contributors:

    Publication date :

    2017-03-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / 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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