PROBLEM TO BE SOLVED: To provide a pneumatic tire and a cross-linking rubber composition excellent in abrasion resistance.SOLUTION: A pneumatic tire comprises a tread disposed at the outer side in the tire radial direction in comparison with a carcass ply in which volume of a low density region is 35% or more when elongated by applied stress of 1.5 MPa, and the filler dispersibility index ΔGrepresented by the following formula (I) is 3 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 the filler dispersibility index ΔGrepresented by the following formula (I) is 3 or less. ΔG=(G(4%)-G(256%))/G(4%)(I)[G(n%) is a shear elastic modulus when n% distortion is applied.]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。【解決手段】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、下記式(I)で示されるフィラー分散性の指標ΔG*が3以下であるトレッドと、を備える空気入りタイヤ。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、式(I)で示されるフィラー分散性の指標ΔG*が3以下である架橋ゴム組成物。ΔG*=(G*(4%)−G*(256%))/G*(4%)(I)[G*(n%)はn%歪印加時のせん断弾性率]【選択図】図2
PNEUMATIC TIRE AND CROSS-LINKING RUBBER COMPOSITION
空気入りタイヤおよび架橋ゴム組成物
2017-05-18
Patent
Electronic Resource
Japanese
IPC: | 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 |