PROBLEM TO BE SOLVED: To provide a rubber composition which can provide an increased modulus while maintaining excellent low heat build-up properties, and a pneumatic tire prepared therewith.SOLUTION: A rubber composition comprises a diene rubber, an acid-modified polyolefin (A), and a polyolefin (B). A mass ratio between the acid-modified polyolefin (A) and the polyolefin (B) is 1:5 to 5:1. The total amounts of the acid-modified polyolefin (A) and the polyolefin (B) are 3-60 pts. mass relative to the diene rubber of 100 pts. mass. There is also provided a pneumatic tire prepared therewith.SELECTED DRAWING: None

    【課題】本発明の課題は、優れた低発熱性を維持しつつ、モジュラスを高くできるゴム組成物およびそれを用いた空気入りタイヤを提供することである。【解決手段】ジエン系ゴムと、酸変性ポリオレフィン(A)と、ポリオレフィン(B)とを含有し、前記酸変性ポリオレフィン(A):前記ポリオレフィン(B)が質量比で1:5〜5:1であり、前記酸変性ポリオレフィン(A)と前記ポリオレフィン(B)との合計量が、前記ジエン系ゴム100質量部に対して3〜60質量部である、ゴム組成物およびそれを用いた空気入りタイヤ。【選択図】なし


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    Title :

    RUBBER COMPOSITION AND PNEUMATIC TIRE PREPARED THEREWITH


    Additional title:

    ゴム組成物およびそれを用いた空気入りタイヤ


    Contributors:
    SATO SHUN (author) / TANABE YUSUKE (author)

    Publication date :

    2016-03-07


    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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