A rubber composition contains a diene rubber containing a styrene-butadiene copolymer component including a styrene-butadiene copolymer and a reinforcing filler. (1) The content of bonded styrene is from 5 to 50 wt. %. (2) The total content of styrene of an ozone decomposed component S1 including one styrene-derived unit and an ozone decomposed component S1V1 including one styrene-derived unit and one 1,2-bonded butadiene-derived unit is less than 80 wt. % of the amount of bonded styrene. The total content of styrene of the decomposed component S1V1 is less than 10 wt. % of the amount of bonded styrene. (3) The integrated intensity of an ozone decomposed component S1V2 including one styrene-derived unit and two 1,2-bonded butadiene-derived units is not less than 15% of the integrated intensity of all the decomposed components including styrene-derived units. (4) The vinyl content of a butadiene portion is not less than 20% and less than 50%.


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    Titel :

    Rubber composition and pneumatic tire using same


    Beteiligte:
    SEKINE YUKO (Autor:in) / ASHIURA MAKOTO (Autor:in) / SAKAI RYOSUKE (Autor:in) / YATSUYANAGI FUMITO (Autor:in)

    Erscheinungsdatum :

    26.11.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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