The present invention provides a rubber composition for studless winter tires that provides a balanced improvement of performance on ice and wet grip performance, regardless of temperature, and a studless winter tire including the rubber composition. The present invention relates to a tread rubber composition for studless winter tires, containing: a rubber component including an isoprene-based rubber and a polybutadiene rubber; a water-soluble fine particle; a resin; and a liquid plasticizer, the resin being present in an amount of 5 parts by mass or more, the liquid plasticizer being present in an amount of more than 30 parts by mass, each per 100 parts by mass of the rubber component.


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    Title :

    TREAD RUBBER COMPOSITION FOR STUDLESS WINTER TIRES


    Additional title:

    LAUFFLÄCHENKAUTSCHUKZUSAMMENSETZUNG FÜR SPIKELOSE WINTERREIFEN
    COMPOSITION DE CAOUTCHOUC POUR BANDE DE ROULEMENT POUR PNEUS D'HIVER NON CLOUTÉS


    Contributors:

    Publication date :

    2021-05-12


    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 / 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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