To provide a rubber composition for covering a steel cord, that can improve wet heat adhesiveness while maintaining vulcanization rates.SOLUTION: A rubber composition for covering a steel cord comprises, per 100 pts.mass of a diene rubber, 1.0 to 5.0 pts.mass of an imidazole type age resister, and sulfur, wherein a sulfenamide type vulcanization accelerator is not contained, or even when contained, the amount of the sulfenamide type vulcanization accelerator is 1.5 pts.mass or less per 100 pts.mass of the diene rubber.SELECTED DRAWING: None
【課題】加硫速度を維持しつつ、湿熱接着性を改善することができるスチールコード被覆用ゴム組成物を提供することを目的とする。【解決手段】ジエン系ゴム100質量部に対して、イミダゾール系老化防止剤1.0〜5.0質量部と、硫黄とを含有し、スルフェンアミド系加硫促進剤を含有しないか、含有する場合であっても、ジエン系ゴム100質量部に対して1.5質量部以下である、スチールコード被覆用ゴム組成物とする。【選択図】なし
RUBBER COMPOSITION FOR COVERING STEEL CORD AND PNEUMATIC TIRE
スチールコード被覆用ゴム組成物及び空気入りタイヤ
2021-05-27
Patent
Electronic Resource
Japanese
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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