To provide a vulcanized rubber composition for a studless tire which can improve the wet performance and the sustainable material ratio of a tire while satisfactorily maintaining processability and workability of a rubber composition.SOLUTION: The vulcanized rubber composition for a studless tire according to the present invention is obtained by vulcanizing a rubber composition containing a natural rubber. The nitrogen content in the natural rubber is 0.1-0.3 mass%. The vulcanized rubber composition has a plurality of voids.SELECTED DRAWING: Figure 1

    【課題】ゴム組成物の加工性や作業性を良好に維持しつつ、タイヤのWet性能及びサステナブル材料比率を向上させることが可能なスタッドレス用加硫ゴム組成物を提供する。【解決手段】上記課題を解決するべく、本発明は、天然ゴムを含むゴム組成物を加硫してなる、スタッドレス用加硫ゴム組成物であって、前記天然ゴム中の窒素含有量が、0.1~0.3質量%であり、前記加硫ゴム組成物は、複数の空隙を有することを特徴とする。【選択図】図1


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    Title :

    VULCANIZED RUBBER COMPOSITION FOR STUDLESS TIRE, AND STUDLESS TIRE


    Additional title:

    スタッドレス用加硫ゴム組成物及びスタッドレスタイヤ


    Contributors:

    Publication date :

    2025-03-13


    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 / C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / 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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