PROBLEM TO BE SOLVED: To provide a pneumatic tire and a cross-linking rubber composition excellent in abrasion resistance.SOLUTION: A pneumatic tire comprises: bead cores respectively provided for a pair of right/left bead parts; a carcass ply extending from a crown part through both sidewalls to both bead parts and moored by the bead cores; an inner liner disposed at the inner side in the tire radial direction in comparison with the carcass ply; and a tread disposed at the outer side in the tire radial direction in comparison with the carcass ply in which volume of a low density region is 35% or more when elongated by applied stress of 1.5 MPa and a glass transformation temperature is -20°C or less. A cross-linking rubber composition is given in which volume of a low density region is 35% or more when elongated by applied stress of 1.5 MPa, and a glass transformation temperature is -20°C or less.SELECTED DRAWING: Figure 2

    【課題】耐摩耗性に優れた空気入りタイヤおよび架橋ゴム組成物を提供すること。【解決手段】左右一対のビード部にそれぞれ設けられたビードコアと、クラウン部から両サイドウォール部を経て両ビード部に延び前記ビードコアに係留されたカーカスプライと、前記カーカスプライよりもタイヤ径方向内側に配置されたインナーライナーと、前記カーカスプライよりもタイヤ径方向外側に設けられ、1.5MPaの印加応力による伸長時の低密度領域の体積が35%以上であり、ガラス転移温度が−20℃以下であるトレッドと、を備えることを特徴とする空気入りタイヤ、ならびに1.5MPaの印加応力による伸長時の低密度領域の体積が35%以上であり、ガラス転移温度が−20℃以下である架橋ゴム組成物。【選択図】図2


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    Titel :

    PNEUMATIC TIRE AND CROSS-LINKING RUBBER COMPOSITION


    Weitere Titelangaben:

    空気入りタイヤおよび架橋ゴム組成物


    Beteiligte:
    MASHITA RYO (Autor:in) / KISHIMOTO HIROMICHI (Autor:in) / KITAGO RYOTA (Autor:in)

    Erscheinungsdatum :

    18.05.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / 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



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