The invention provides a high-grip tire rubber composition excellent in steering stability, rolling resistance performance and abrasion resistance, and a tire tread, a bead filler, a tire belt and a pneumatic tire which each partially include the composition. The high-grip tire rubber composition includes 100 parts by mass of a solid rubber (A), the solid rubber (A) including not less than 60 mass% of a styrene butadiene rubber with 20 mass% or more styrene content, 0.1 to 90 parts by mass of a modified liquid diene rubber (B) having a functional group derived from a silane compound represented by the formula (1), and 20 to 150 parts by mass of a filler (C), the modified liquid diene rubber (B) satisfying the following (i) and (ii): (i) the weight average molecular weight (Mw) is 15,000 to 120,000, and (ii) the vinyl content is not more than 70 mol%.


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    Titel :

    RUBBER COMPOSITION FOR HIGH GRIP TIRE


    Weitere Titelangaben:

    KAUTSCHUKZUSAMMENSETZUNG FÜR REIFEN MIT HOHER GRIFFIGKEIT
    COMPOSITION DE CAOUTCHOUC POUR PNEUMATIQUE ANTIDÉRAPANT


    Beteiligte:
    KANBARA HIROSHI (Autor:in) / KODA DAISUKE (Autor:in) / UEHARA YOSUKE (Autor:in)

    Erscheinungsdatum :

    2022-03-23


    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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