RUBBER COMPOSITION AND PNEUMATIC TIRE HAVING TREAD MADE USING RUBBER COMPOSITION

• Main Author: FUJISAWA KOJI
• Format: Patent
• Language: English; Japanese
• Published: 28.01.2016
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DEVICES OR ARRANGEMENTS RELATED TO TYRES; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; 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

PROBLEM TO BE SOLVED: To provide a rubber composition having improved fuel economy, wear resistance and wet grip performance in a balanced manner while obtaining excellent workability, and a pneumatic tire having a tread made using the rubber composition.SOLUTION: This invention relates to a rubber composition comprising a copolymer synthesized by the copolymerization of a conjugated diene monomer and a compound represented by the following formula (1), and carbon black and/or silica, where Rrepresents a C1-C30 hydrocarbon group. 【課題】良好な加工性を得ながら、低燃費性、耐摩耗性及びウェットグリップ性能をバランス良く改善したゴム組成物及び該ゴム組成物を用いて作製したトレッドを有する空気入りタイヤを提供する。【解決手段】共役ジエン系単量体と下記式（１）で表される化合物とを共重合して合成される共重合体と、カーボンブラック及び／又はシリカとを含有するゴム組成物に関する。［化１］（式（１）中、Ｒ１１は炭素数１〜３０の炭化水素基を表す。）【選択図】なし