PROBLEM TO BE SOLVED: To provide: a rubber composition for a high grip tire tread, combining wet grip performance with dry grip performance; a tire tread using the rubber composition partly; and a pneumatic tire for racing.SOLUTION: The rubber composition for a high grip tire tread is provided that contains a farnesene polymer (B) by 0.1 to 90 pts.mass and a filler (C) by 20 to 150 pts.mass per 100 pts.mass of a rubber component (A) containing a styrene butadiene rubber having a styrene content of 20 mass% or more by 60 mass% or more.SELECTED DRAWING: None
【課題】ウェットグリップ性能、及びドライグリップ性能を兼ね備える高グリップタイヤトレッド用ゴム組成物、これを一部に用いたタイヤトレッド、及びレース用空気入りタイヤを提供する。【解決手段】スチレン含有量が20質量%以上であるスチレンブタジエンゴムを60質量%以上含有するゴム成分(A)100質量部に対し、ファルネセン重合体(B)を0.1〜90質量部、フィラー(C)を20〜150質量部含有する、高グリップタイヤトレッド用ゴム組成物。【選択図】なし
RUBBER COMPOSITION FOR HIGH GRIP TIRE TREAD
高グリップタイヤトレッド用ゴム組成物
2018-08-23
Patent
Electronic Resource
Japanese
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60C VEHICLE TYRES , Fahrzeugreifen / C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, erhalten durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind / 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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