Provided are a rubber composition for tires having low tan δ at approximately 60° C. and excellent breaking energy at approximately 25° C.; a method for preparing the rubber composition for tires; and a tire thereof. The present invention relates to a rubber composition for tires which contains a rubber component including an isoprene-based rubber, and which has a correlation length Ξb of 50 nm or less as determined by fitting the following Equations 1 to 6 to a scattering intensity curve I(q) obtained by X-ray scattering analysis or neutron scattering analysis:I(q)=A1+q2⁢ξ2+B(1+q2⁢Ξb2)2+C(1+q2⁢Ξc2)2(Equation⁢⁢1)ξ<Ξb<Ξc(Equation⁢⁢2)A=8⁢π⁢⁢Na⁢σ2⁢ξ3(Equation⁢⁢3)B=4⁢π⁢⁢Nb⁢σ2⁢Ξb2(Equation⁢⁢4)C=4⁢π⁢⁢Nc⁢σ2⁢Ξc2(Equation⁢⁢5)q=4⁢π⁢⁢sin⁢θ2λ(Equation⁢⁢6)A, B, C, ξ, Ξb, Ξc: fitting parameterq: scattering vectorNa: number per unit volume (number/cm3) of scatterers having a correlation length ξNb: number per unit volume (number/cm3) of scatterers having a correlation length ΞbNc: number per unit volume (number/cm3) of scatterers having a correlation length Ξcσ: electron density difference (electron·(cm−3)) between scatterers and the surrounding matrix or scattering length density difference (cm−2) between scatterers and the surrounding solventθ: scattering angleλ: wavelength of X rays or neutrons.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Rubber composition for tires, method for preparing rubber composition for tires, and tire


    Beteiligte:

    Erscheinungsdatum :

    18.01.2022


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / 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 / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES



    RUBBER COMPOSITION FOR TIRES, METHOD FOR PREPARING RUBBER COMPOSITION FOR TIRES, AND TIRE

    MATSUMOTO NORIHIRO | Europäisches Patentamt | 2018

    Freier Zugriff

    RUBBER COMPOSITION FOR TIRES, VULCANIZED RUBBER COMPOSITION FOR TIRES, AND TIRE

    HASEGAWA HIROKI / SAITO KOSUKE | Europäisches Patentamt | 2023

    Freier Zugriff

    RUBBER COMPOSITION FOR TIRES, TREAD RUBBER FOR TIRES, AND TIRE

    TASHIMA SHIGEKI | Europäisches Patentamt | 2025

    Freier Zugriff

    RUBBER COMPOSITION FOR TIRES, TREAD RUBBER FOR TIRES, AND TIRE

    TAKAHASHI YUKI | Europäisches Patentamt | 2022

    Freier Zugriff

    Rubber composition, rubber composition for tires, and tire

    NAGANO DAIJIRO | Europäisches Patentamt | 2023

    Freier Zugriff