Provided are a rubber composition which can give a crosslinked product with enhanced tensile strength, and a pneumatic tire including the rubber composition as a portion thereof. The rubber composition includes a solid rubber (A), a hydrogenated aromatic vinyl-conjugated diene random copolymer (B), and a filler (C). The random copolymer (B) satisfies the following (i) to (iv). (i) The content of aromatic vinyl units is 10 to 70 mass %. (ii) The vinyl content in conjugated diene units of the random copolymer (B) before hydrogenation is 10 to 70 mol %. (iii) The hydrogenation ratio of the conjugated diene units is not less than 10 mol %. (iv) The weight average molecular weight is 3,000 to 100,000.


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    Title :

    RUBBER COMPOSITIONS


    Contributors:

    Publication date :

    2022-02-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen



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