PROBLEM TO BE SOLVED: To provide a rubber composition having improved wet grip performance and wear resistance without causing the deterioration of fuel economy, and a tire having a tread composed of the rubber composition.SOLUTION: A rubber composition contains a rubber component containing 20-90 mass% of a rubber component A and 10-80 mass% of a rubber component B, the rubber component A having an SP value of 17.8(J/cm)or more, the rubber component B having an SP value lower than that of the rubber component A by 0.6(J/cm)or more. There is also provided a tire having a tread composed of the rubber composition.SELECTED DRAWING: None

    【課題】低燃費性を低下させずに、ウェットグリップ性能および耐摩耗性に優れたゴム組成物、および当該ゴム組成物により構成されたトレッドを有するタイヤを提供することを目的とする。【解決手段】20〜90質量%のゴム成分Aおよび10〜80質量%のゴム成分Bを含むゴム成分を含有するゴム組成物であり、ゴム成分AのSP値が17.8(J/cm3)1/2以上であり、ゴム成分BのSP値がゴム成分AのSP値より0.6(J/cm3)1/2以上低いゴム組成物、ならびに当該ゴム組成物により構成されたトレッドを有するタイヤ。【選択図】なし


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    Titel :

    RUBBER COMPOSITION AND TIRE


    Weitere Titelangaben:

    ゴム組成物およびタイヤ


    Beteiligte:

    Erscheinungsdatum :

    2018-01-11


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    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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