PROBLEM TO BE SOLVED: To provide a tire tread excellent in wear resistance and chip cut resistance, and a tire including the tire tread.SOLUTION: The tire tread is composed of a rubber composition which contains: 100 pts.mass of a rubber component containing 40-75 mass% of a modified natural rubber having a nitrogen content of 0.40 mass% or less, and 10-35 mass% of a styrene-butadiene rubber; 20-60 pts.mass of carbon black having a cetyltrimethylammonium bromide adsorption specific surface area (CTAB) of 120 m/g or more; and 0.5-3 pts.mass of a compound represented by formula (A).SELECTED DRAWING: None
【課題】耐摩耗性と耐チップカット性に優れるタイヤトレッドおよび該タイヤトレッドを備えるタイヤを提供すること。【解決手段】窒素含有量0.40質量%以下の改質天然ゴム40〜75質量%、スチレンブタジエンゴム10〜35質量%を含むゴム成分100質量部、臭化セチルトリメチルアンモニウム吸着比表面積(CTAB)が120m2/g以上のカーボンブラック20〜60質量部、式(A)で示される化合物0.5〜3質量部を含むゴム組成物により構成されたタイヤトレッド。【選択図】なし
TIRE TREAD AND TIRE
タイヤトレッドおよびタイヤ
2018-11-29
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 |
Tire tread mixture, tire tread made from tire tread mixture and tire
European Patent Office | 2016
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