RUBBER COMPOSITION FOR TIRE TREAD, TIRE TREAD AND TIRE

• Main Author: NAGAI HARUKA
• Format: Patent
• Language: English; Japanese
• Published: 11.11.2021
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DEVICES OR ARRANGEMENTS RELATED TO TYRES; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIESIN GENERAL; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING; TYRE CHANGING OR REPAIRING; TYRE INFLATION; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; VEHICLE TYRES; VEHICLES IN GENERAL

To provide a rubber composition for tire tread having an improved balanced performance of abrasion resistance and chipping resistance, a tire tread composed of the rubber composition, and a tire comprising the tire tread.SOLUTION: The rubber composition for tire tread comprises a diene-based rubber component comprising a styrene-butadiene rubber and an isoprene-based rubber, a filler comprising carbon black, an aromatic ring-containing resin, and a polyhydric alcohol.SELECTED DRAWING: Figure 1 【課題】耐摩耗性と耐チッピング性のバランスを向上させたタイヤトレッド用ゴム組成物、該ゴム組成物からなるタイヤトレッド、および該タイヤトレッドを備えたタイヤを提供すること。【解決手段】スチレンブタジエンゴムとイソプレン系ゴムとを含むジエン系ゴム成分と、カーボンブラックを含む充填剤と、芳香環含有樹脂と、多価アルコールとを含む、タイヤトレッド用ゴム組成物。【選択図】図１