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; and a tread made of the following cross-linking composition. A cross-linking rubber composition includes two kinds or more of rubber constituents and filler in which volume of a gap part is 7.5% or less when elongated by applied stress of 3.0 MPa, and the filler distribution property D represented by the following formula (I) is 2.0 or less. D=(A/B)/(A/B)(I) (Ais volume fraction of rubber constituent A in the filler gel; Bis volume fraction of rubber constituent B in the filler gel; Ais volume fraction of the blended rubber constituent A; Bis volume fraction of the blended rubber constituent B.)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の提供。【解決手段】左右一対のビード部に夫々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、前記ビードコアに保留されたカーカスプライと、下記架橋組成物からなる、トレッドと、を備える空気入りタイヤ。2種以上のゴム成分およびフィラーを含有する架橋ゴム組成物であり、3.0MPaの印加応力による伸長時の空隙部の体積が7.5%以下であり、下記式(I)で示されるフィラー分配性Dが2.0以下である架橋ゴム組成物。D=(A1/B1)/(A0/B0)(I)(A1はフィラーゲル中のゴム成分Aの体積分率;B1はフィラーゲル中のゴム成分Bの体積分率;A0は配合したゴム成分Aの体積分率;B0は配合したゴム成分Bの体積分率)【選択図】図2


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    Title :

    PNEUMATIC TIRE AND CROSS-LINKING RUBBER COMPOSITION


    Additional title:

    空気入りタイヤおよび架橋ゴム組成物


    Contributors:

    Publication date :

    2017-05-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES / B60C VEHICLE TYRES , Fahrzeugreifen / C08J Verarbeitung , WORKING-UP / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS



    PNEUMATIC TIRE AND CROSS-LINKING RUBBER COMPOSITION

    MASHITA RYO / KISHIMOTO HIROMICHI / KITAGO RYOTA | European Patent Office | 2018

    Free access

    PNEUMATIC TIRE AND CROSS-LINKING RUBBER COMPOSITION

    MASHITA RYO / KISHIMOTO HIROMICHI / KITAGO RYOTA | European Patent Office | 2017

    Free access

    PNEUMATIC TIRE AND CROSS-LINKING RUBBER COMPOSITION

    MASHITA RYO / KISHIMOTO HIROMICHI / KITAGO RYOTA | European Patent Office | 2018

    Free access

    PNEUMATIC TIRE AND CROSS-LINKING RUBBER COMPOSITION

    MASHITA RYO / KISHIMOTO HIROMICHI / KITAGO RYOTA | European Patent Office | 2017

    Free access

    PNEUMATIC TIRE AND CROSS-LINKING RUBBER COMPOSITION

    MASHITA RYO / KISHIMOTO HIROMICHI / KITAGO RYOTA | European Patent Office | 2017

    Free access