To provide a rubber composition having good workability.SOLUTION: The rubber composition includes a diene rubber and as a resin, syndiotactic polybutadiene and a vinyl butadiene polymer. The amount of 1,2-bond of the syndiotactic polybutadiene is 80 mass% or more and the syndiotacticity in the 1,2-bond is 60% or more; and the vinyl butadiene polymer has 1,2-bond and the syndiotacticity in the 1,2-bond is less than 60%.SELECTED DRAWING: None

    【課題】良好な作業性を有するゴム組成物を提供すること。【解決手段】ジエン系ゴムと、樹脂として、シンジオタクチックポリブタジエンと、ビニルブタジエンポリマーとを含み、前記シンジオタクチックポリブタジエンの1,2−結合の量が、80質量%以上であり、当該1,2−結合におけるシンジオタクチシティが、60%以上であり、前記ビニルブタジエンポリマーは、1,2−結合を有し、当該1,2−結合におけるシンジオタクチシティが、60%未満である、ゴム組成物。【選択図】なし


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    Title :

    RUBBER COMPOSITION, TIRE AND RUBBER PRODUCT


    Additional title:

    ゴム組成物、タイヤおよびゴム製品


    Contributors:

    Publication date :

    2021-03-01


    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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