PROBLEM TO BE SOLVED: To provide a rubber composition that is used for a tire and achieves both of rolling resistance and wet performance at higher levels without impairing other performances such as steering stability and wear resistance, and a tire prepared therewith.SOLUTION: A rubber composition contains a diene rubber, and a sheath-core composite material that is substantially spherical or fibrous, and has a core part containing a high melting point resin with a melting point of 150°C or more, and a sheath part containing an olefin polymer with a lower melting point than that of the high melting point resin. There is also provided a tire prepared therewith.SELECTED DRAWING: Figure 1

    【課題】タイヤに用いた場合に、操縦安定性や耐摩耗性などの他の性能を損なうことなく、転がり抵抗とウェット性能とをより高度に両立させることができるゴム組成物、および、それを用いたタイヤを提供することを目的とする。【解決手段】ジエン系ゴムと、略球状または繊維状を有し、芯部が融点150℃以上の高融点樹脂を含み、鞘部がこの高融点樹脂より融点の低いオレフィン系重合体を含む芯鞘型の複合材料と、を含有するゴム組成物、および、それを用いたタイヤである。【選択図】図1


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    Title :

    RUBBER COMPOSITION AND TIRE PREPARED THEREWITH


    Additional title:

    ゴム組成物およびそれを用いたタイヤ


    Contributors:

    Publication date :

    2018-11-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    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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