PROBLEM TO BE SOLVED: To provide: a vulcanized rubber which is excellent in hardness and mechanical strength and can exhibit excellent steering stability and rolling resistance performance due to its high hardness when used for a tire or the like; and a tire using the vulcanized rubber in at least one part, and further to provide a method for producing a vulcanized rubber which has good processability of a rubber composition before vulcanization and can obtain a vulcanized rubber excellent in hardness and mechanical strength.SOLUTION: There is provided a vulcanized rubber obtained by vulcanizing a rubber composition which comprises at least one rubber component (A) selected from synthetic rubber and natural rubber and a polymer (B) containing a monomer unit derived from farnesene and having a melt viscosity at 38°C of 3000 Pa s or less, wherein the difference Δδ in solubility parameters between the rubber component (A) and the polymer (B) is 1.0(J/cm)or less and an island-like phase separation structure of the polymer (B) having a diameter of 50 nm or more exists in the vulcanized rubber.SELECTED DRAWING: None

    【課題】本発明は、硬度及び機械強度に優れ、タイヤ等に用いられた際に、その高硬度に起因する優れた操縦安定性及び優れた転がり抵抗性能を発現できる加硫ゴム、及び該加硫ゴムを少なくとも一部に用いたタイヤを提供する。また本発明は、加硫前のゴム組成物の加工性が良好であり、更に硬度及び機械強度に優れる加硫ゴムが得られる加硫ゴムの製造方法を提供する。【解決手段】合成ゴム及び天然ゴムから選ばれる少なくとも1種のゴム成分(A)と、ファルネセン由来の単量体単位を含み38℃における溶融粘度が3,000Pa・s以下である重合体(B)と、を含有するゴム組成物を加硫してなる加硫ゴムであって、ゴム成分(A)と重合体(B)との溶解度パラメータの差Δδが1.0(J/cm3)1/2以下であり、加硫ゴム中に直径50nm以上の前記重合体(B)の島状相分離構造が存在する加硫ゴム。【選択図】なし


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    Titel :

    VULCANIZED RUBBER, METHOD FOR PRODUCING VULCANIZED RUBBER AND TIRE


    Weitere Titelangaben:

    加硫ゴム、加硫ゴムの製造方法及びタイヤ


    Beteiligte:
    KAMATA YOHEI (Autor:in) / INADA SEISUKE (Autor:in) / KODA DAISUKE (Autor:in) / HIRATA MEGUMI (Autor:in)

    Erscheinungsdatum :

    2016-03-07


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    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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