To provide a tire rubber composition that has excellent wear resistance and WET performance when made into a tire, and a pneumatic tire produced using the tire rubber composition.SOLUTION: A tire rubber composition contains a diene rubber 100 pts.mass, an inorganic filler 20 pts.mass or more, and a polyurethane 1-30 pts.mass that is a polymer of a fluororesin having a hydroxy group and an isocyanate.SELECTED DRAWING: Figure 1

    【課題】タイヤにしたときに耐摩耗性能及びWET性能に優れるタイヤ用ゴム組成物、並びに、上記タイヤ用ゴム組成物を用いて製造された空気入りタイヤを提供する。【解決手段】ジエン系ゴム100質量部と、無機充填剤20質量部以上と、水酸基を有するフッ素樹脂とイソシアネートとの重合体であるポリウレタン1〜30質量部とを含有する、タイヤ用ゴム組成物。【選択図】図1


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    Title :

    TIRE RUBBER COMPOSITION AND PNEUMATIC TIRE


    Additional title:

    タイヤ用ゴム組成物及び空気入りタイヤ


    Contributors:

    Publication date :

    2020-02-06


    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



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