To provide a rubber composition capable of producing a vulcanized rubber excellent in gas barrier properties and low-temperature durability, and to provide an inner liner rubber and a tire excellent in gas barrier properties and low-temperature durability.SOLUTION: The rubber composition contains a rubber component, a reinforcing filler, and a hydrogenated resin. The rubber component contains 80 mass% or more of a modified or unmodified butyl rubber. The hydrogenated resin has a glass transition temperature of 50°C or higher and lower than 65°C. The content of the hydrogenated resin is 1 pt.mass or more and 20 pts.mass or less based on 100 pts.mass of the rubber component. The rubber composition has a breaking elongation at -40°C of 330% or more as vulcanized rubber characteristics.SELECTED DRAWING: None

    【課題】ガスバリア性と低温耐久性に優れる加硫ゴムを製造可能なゴム組成物、並びに、ガスバリア性と低温耐久性に優れるインナーライナーゴム及びタイヤを提供する。【解決手段】ゴム成分と、補強性充填材と、水添樹脂とを含むゴム組成物であって、前記ゴム成分が80質量%以上の変性又は未変性のブチルゴムを含み、前記水添樹脂のガラス転移温度が50℃以上65未満であり、前記水添樹脂の含有量が、ゴム成分100質量部に対して1質量部以上20質量部未満であり、加硫ゴム特性として、−40℃における破断伸びが330%以上であるゴム組成物。【選択図】なし


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    Titel :

    RUBBER COMPOSITION, INNER LINER RUBBER, AND TIRE


    Weitere Titelangaben:

    ゴム組成物、インナーライナーゴム、及びタイヤ


    Beteiligte:
    URATA TOMOHIRO (Autor:in) / SUZUKI SHIYOUKO (Autor:in)

    Erscheinungsdatum :

    2019-06-27


    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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