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; reinforcing fillers including a reinforcing filler A and a reinforcing filler B; a layered or plate-like mineral having an aspect ratio of 3-30; and a resin having a glass transition temperature of 41-75°C. The reinforcing filler A is carbon black having a nitrogen adsorption specific surface area of less than 50 m/g, and the reinforcing filler B is carbon black having a nitrogen adsorption specific surface area of 100 m/g or more or silica having a nitrogen adsorption specific surface area of 100 m/g or more.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A及び補強性充填材Bを含む補強性充填材と、アスペクト比が3〜30である層状または板状の鉱物と、ガラス転移温度が41〜75℃である樹脂とを含み、前記補強性充填材Aが、窒素吸着法比表面積が50m2/g未満のカーボンブラックであり、前記補強性充填材Bが、窒素吸着法比表面積が100m2/g以上のカーボンブラック又は窒素吸着法比表面積が100m2/g以上のシリカであるゴム組成物。【選択図】なし


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    Title :

    RUBBER COMPOSITION, INNER LINER RUBBER, AND TIRE


    Additional title:

    ゴム組成物、インナーライナーゴム、及びタイヤ


    Contributors:

    Publication date :

    2019-06-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    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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    Free access