The present invention provides a rubber composition for studless winter tires that provides a balanced improvement of performance on ice and abrasion resistance, 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: an isoprene-based rubber; a polybutadiene rubber; a water-soluble fine particle; a fine particle silica having a nitrogen adsorption specific surface area of 180 m2/g or more; and a liquid plasticizer, the fine particle silica being present in an amount of 105 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 in the tread rubber composition.


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    Titel :

    TREAD RUBBER COMPOSITION FOR STUDLESS WINTER TIRES


    Weitere Titelangaben:

    LAUFFLÄCHENKAUTSCHUKZUSAMMENSETZUNG FÜR SPIKELOSE WINTERREIFEN
    COMPOSITION DE CAOUTCHOUC DE BANDE DE ROULEMENT POUR PNEUS D'HIVER SANS CLOUS


    Beteiligte:
    SAWAKI HARUKO (Autor:in) / YOSHIOKA MIKAKO (Autor:in) / YOKOYAMA YUKA (Autor:in)

    Erscheinungsdatum :

    2021-05-12


    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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