The present invention provides a tire rubber composition which has good silica dispersibility and improves in terms of the reinforcement, the abrasion resistance, the mechanical strength, the rolling resistance, the wet grip performance, and the handling stability on a dry road surface in a balanced manner; and provides a pneumatic tire produced using the tire rubber composition. The present invention relates to a tire rubber composition, comprising: a rubber component; a first silica; and a second silica, wherein the first silica has a CTAB specific surface area of 180 m 2 /g or more, a BET specific surface area of 185 m 2 /g or more, and an aggregate size of 45 nm or more, and the second silica has a CTAB specific surface area of 95 m 2 /g or less, and a BET specific surface area of 100 m 2 /g or less.


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    Titel :

    TYRE RUBBER COMPOSITION AND PNEUMATIC TYRE


    Weitere Titelangaben:

    REIFENGUMMIZUSAMMENSETZUNG UND LUFTREIFEN
    COMPOSITION DE GOMME POUR PNEUS, ET PNEU AINSI OBTENU


    Beteiligte:
    HATTORI TAKAYUKI (Autor:in) / MATSUURA AI (Autor:in) / IMOTO YOJI (Autor:in) / HIRAYAMA MICHIO (Autor:in) / UESAKA KENICHI (Autor:in)

    Erscheinungsdatum :

    25.04.2018


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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