An object of the present invention is to provide a rubber composition which is excellent in wet grip performance and abrasion resistance without deteriorating fuel efficiency, and a tire having a tread composed of the rubber composition. The present invention relates to a rubber composition comprising a rubber component comprising 20 to 90% by mass of a rubber component A and 10 to 80% by mass of a rubber component B, wherein an SP value of the rubber component A is not less than 17.8 (J/cm3)1/2 and an SP value of the rubber component B is lower than the SP value of the rubber component A by not less than 0.6 (J/cm3)1/2, and a tire having a tread composed of the rubber composition.


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    Titel :

    Rubber composition and tire


    Beteiligte:

    Erscheinungsdatum :

    2020-01-14


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / 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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