Provided is a rubber composition for tires that is intended mainly for use in an undertread portion of a pneumatic tire, the rubber composition having a low rolling resistance, and excellent steering stability and durability in tires. It is set that the rubber composition includes a rubber component containing 50 mass% or greater of a natural rubber and from 15 mass% to 50 mass% of a terminal-modified butadiene rubber per 100 parts by mass of the rubber component, and a filler containing carbon black and silica that is blended into the rubber component at a mass ratio from 0.1 to 0.5 between a blended amount of the silica and a blended amount of the filler, the rubber composition having a hardness of 73 or greater, and a modulus of repulsion elasticity at 40°C of 60% or greater.


    Access

    Download


    Export, share and cite



    Title :

    RUBBER COMPOSITION FOR TIRE


    Additional title:

    KAUTSCHUKZUSAMMENSETZUNG FÜR REIFEN
    COMPOSITION DE CAOUTCHOUC POUR PNEUMATIQUE


    Contributors:

    Publication date :

    2022-07-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    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 / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen




    RUBBER COMPOSITION, RUBBER COMPOSITION FOR TIRE, RUBBER COMPOSITION FOR TIRE TREAD, CROSSLINKED RUBBER FOR TIRE, TIRE TREAD, AND TIRE

    HAMATANI SATOSHI / ISHIBASHI KENTA / KAWAHARA HISAHO | European Patent Office | 2021

    Free access

    RUBBER COMPOSITION, RUBBER COMPOSITION FOR TIRE, RUBBER COMPOSITION FOR TIRE TREAD, CROSSLINKED RUBBER FOR TIRE, TIRE TREAD, AND TIRE

    HAMATANI SATOSHI / ISHIBASHI KENTA / KAWAHARA HISAHO | European Patent Office | 2021

    Free access


    RUBBER COMPOSITION, RUBBER COMPOSITION FOR TIRE, AND TIRE

    NAGANO DAIJIRO | European Patent Office | 2020

    Free access