To provide a rubber composition excellent in balance between a high elastic modulus and low loss properties.SOLUTION: The rubber composition contains a rubber component (A) containing: a multi-component copolymer (a1) having a conjugated diene unit, a non-conjugated olefin unit, and an aromatic vinyl unit; a modified conjugated diene polymer (a2); and a natural rubber (a3). The proportion of the multi-component copolymer (a1) in the rubber component (A) is 5-30 mass%, the proportion of the modified conjugated diene polymer (a2) in the rubber component (A) is 40-65 mass%, and the proportion of the natural rubber (a3) in the rubber component (A) is 15-40 mass%.SELECTED DRAWING: None
【課題】高弾性率と低ロス性とのバランスに優れるゴム組成物を提供する。【解決手段】共役ジエン単位、非共役オレフィン単位、及び芳香族ビニル単位を有する多元共重合体(a1)と、変性共役ジエン系重合体(a2)と、天然ゴム(a3)とを含むゴム成分(A)を含有し、前記ゴム成分(A)における前記多元共重合体(a1)の割合が5〜30質量%であり、前記ゴム成分(A)における前記変性共役ジエン系重合体(a2)の割合が40〜65質量%であり、前記ゴム成分(A)における前記天然ゴム(a3)の割合が15〜40質量%である、ことを特徴とする、ゴム組成物。【選択図】なし
RUBBER COMPOSITION, TIRE, CONVEYOR BELT, RUBBER CRAWLER, VIBRATION-PROOF DEVICE, SEISMIC ISOLATION DEVICE, AND HOSE
ゴム組成物、タイヤ、コンベヤベルト、ゴムクローラ、防振装置、免震装置及びホース
2019-12-26
Patent
Elektronische Ressource
Japanisch
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / B62D MOTOR VEHICLES , Motorfahrzeuge / B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS , Transport- oder Lagervorrichtungen, z.B. Förderer zum Laden oder Abladen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / F16F SPRINGS , Federn |
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