To provide a rubber composition, and a tire having a tread.SOLUTION: The present invention is directed to a vulcanizable rubber composition comprising: 80 phr to 100 phr of at least one solution styrene-butadiene rubber having a glass transition temperature in the range from -50°C to -85°C; optionally 0 phr to 20 phr of polybutadiene rubber having a glass transition temperature in the range from -85°C to -115°C; 100 phr to 150 phr of silica; 15 phr to 40 phr of hydrocarbon resin; and 5 phr to 25 phr of an oil, where the total content of the resin and the oil is in the range from 35 phr to 50 phr. The present invention is also directed to a tire having a tread comprising such a rubber composition.SELECTED DRAWING: Figure 1
【課題】ゴム組成物およびトレッドを有するタイヤを提供すること。【解決手段】本発明は、加硫可能なゴム組成物であって、−50℃〜−85℃の範囲内にあるガラス転移温度を有する少なくとも1種の溶液スチレン−ブタジエンゴム80phr〜100phr;任意に、−85℃〜−115℃の範囲内にあるガラス転移温度を有するポリブタジエンゴム0phr〜20phr;シリカ100phr〜150phr;炭化水素樹脂15phr〜40phrおよびオイル5phr〜25phrを含み、ここで、樹脂およびオイルの総計は35phr〜50phrの範囲内にある加硫可能なゴム組成物を対象とする。本発明はまた、そのようなゴム組成物で構成されるトレッドを有するタイヤを対象とする。【選択図】図1
RUBBER COMPOSITION AND TIRE COMPRISING TREAD
ゴム組成物およびトレッドを含むタイヤ
2021-02-18
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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