PROBLEM TO BE SOLVED: To provide an additive for rubber capable of providing a rubber composition capable of achieving both low heat build-up properties and a high elastic modulus, a rubber composition containing the additive for rubber, and a pneumatic tire using the rubber composition.SOLUTION: The additive for rubber contains a benzimidazole compound represented by formula (I). The rubber composition contains the additive for rubber, and the pneumatic tire uses the rubber composition. [Q represents an amino group or a functional group represented by formula (Q) (Rand Rare each independently H, a 1-6C alkyl group, or a phenyl group which is unsubstituted or substituted with a halogen atom, a hydroxyl group, an amino group, a nitro group, a nitrile group, or a 1-6C alkyl group; and Rand Rmay be bonded to each other to form a 2-7C alkylene group).]SELECTED DRAWING: None

    【課題】低発熱性と高弾性率とを両立することができるゴム組成物を提供することができるゴム用添加剤、該ゴム用添加剤を含むゴム組成物およびそれを用いた空気入りタイヤ。【解決手段】式(I)で表されるベンゾイミダゾール化合物を含有するゴム用添加剤。亦、該ゴム用添加剤を含むゴム組成物及びそれを用いた空気入りタイヤ。[Qは、アミノ基又は式(Q1)で表される官能基を示し、(R1及びR2は各々独立にH、C1〜6のアルキル基又はハロゲン原子、水酸基、アミノ基、ニトロ基、ニトリル基或いはC1〜6のアルキル基を置換基による置換/無置換のフェニル基;R1及びR2は結合してC2〜7のアルキレン基を形成してもよい)【選択図】なし


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    Titel :

    ADDITIVE FOR RUBBER, RUBBER COMPOSITION, AND PNEUMATIC TIRE USING THE SAME


    Weitere Titelangaben:

    ゴム用添加剤、ゴム組成物およびそれを用いた空気入りタイヤ


    Beteiligte:

    Erscheinungsdatum :

    2017-06-22


    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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