To provide a rubber composition which achieves both fuel economy and crack propagation resistance.SOLUTION: The rubber composition contains: a diene rubber (A); a heterocyclic compound (B) having at least one heterocyclic ring selected from the group consisting of a pyrimidine ring, a pyridazine ring, a pyrazine ring, a triazine ring, and a tetrazine ring; a metal salt (C) (excluding metal oxides, metal carbonates, and metal salts of C10 or higher fatty acids); and carbon black (D).SELECTED DRAWING: None

    【課題】低燃費性と耐亀裂進展性とを両立したゴム組成物を提供する。【解決手段】ジエン系ゴム(A)と、ピリミジン環、ピリダジン環、ピラジン環、トリアジン環、及びテトラジン環からなる群から選択される少なくとも一つの複素環を有する複素環式化合物(B)と、金属塩(C)(但し、金属酸化物、炭酸金属塩、及び炭素数10以上の脂肪酸の金属塩を除く。)と、カーボンブラック(D)と、を含むことを特徴とする、ゴム組成物である。【選択図】なし


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    Title :

    RUBBER COMPOSITION AND RUBBER PRODUCT


    Additional title:

    ゴム組成物及びゴム製品


    Contributors:

    Publication date :

    2023-09-07


    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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