PROBLEM TO BE SOLVED: To provide a rubber composition for a winter tire, which can improve performances on snow and ice while maintaining good wear resistance, and a winter tire using the composition.SOLUTION: The rubber composition for a winter tire comprises a rubber component and a bio-nanofiber, in which the biro-nanofiber has an average fiber diameter of 0.1 μm or less, natural rubber and butadiene rubber are included in total by 30 to 100 mass% in 100 mass% of the rubber component, and the bio-nanofiber is included by 1 to 10 parts by mass with respect to 100 parts by mass of the rubber component.

    【課題】 良好な耐摩耗性を維持しつつ、雪氷上性能を向上させることができるスタッドレスタイヤ用ゴム組成物、及びそれを用いたスタッドレスタイヤを提供する。【解決手段】 ゴム成分、バイオナノファイバーを含有し、前記バイオナノファイバーの平均繊維径が0.1μm以下であり、前記ゴム成分100質量%中の天然ゴム及びブタジエンゴムの合計含有量が30〜100質量%であり、前記ゴム成分100質量部に対して、前記バイオナノファイバーの含有量が1〜10質量部であるスタッドレスタイヤ用ゴム組成物。【選択図】 なし


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    Title :

    RUBBER COMPOSITION FOR WINTER TIRE AND WINTER TIRE


    Additional title:

    スタッドレスタイヤ用ゴム組成物及びスタッドレスタイヤ


    Contributors:

    Publication date :

    2015-10-05


    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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