To provide a rubber composition which exhibits excellent silica dispersibility and can yield a rubber crosslinked product excelling in product stability as well as low fuel consumption and durability.SOLUTION: Provided is a rubber composition which contains a conjugated diene-based copolymer, silica, a sulfide-based silane coupling agent, and a crosslinking agent, wherein the value of tc10, which is a vulcanization property index as measured in accordance with JIS K6300-2 using a vibration-type vulcanizing testing machine, satisfies formula (1): 0.8 min
【課題】シリカの分散性に優れ、これにより製品安定性に優れ、かつ、低燃費特性および耐久性に優れたゴム架橋物を与えることができるゴム組成物を提供すること。【解決手段】共役ジエン系共重合体、シリカ、スルフィド系シランカップリング剤、および架橋剤を含有し、振動式加硫試験機を用いてJIS K6300-2に従い測定される加硫特性指標であるtc10の値が、下記式(1)を満たすゴム組成物を提供する。0.8分<tc10<5.0分(1)【選択図】なし
RUBBER COMPOSITION, RUBBER CROSSLINKED PRODUCT, TIRE, AND RUBBER CROSSLINKED PRODUCT MANUFACTURING METHOD
ゴム組成物、ゴム架橋物、タイヤおよびゴム架橋物の製造方法
2023-12-13
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 |
European Patent Office | 2023
|RUBBER COMPOSITION, CROSSLINKED RUBBER PRODUCT, AND TIRE
European Patent Office | 2016
|