TRUCK AND BUS TIRE

• Main Author: MABUCHI TAKAHIRO
• Format: Patent
• Language: English; Japanese
• Published: 12.01.2016
• 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 truck and bus tire that offers an excellent balance of fuel economy, rubber strength and wear resistance with good productivity.SOLUTION: This invention relates to a truck and bus tire having a cap tread made using a rubber composition that comprises, based on a rubber component 100 pts. mass comprising at least one selected from the group consisting of polyisoprene rubber and butadiene rubber, reinforcing filler 10-60 pts. mass, farnesene resin 1-20 pts. mass obtained by polymerization of farnesene. 【課題】低燃費性、ゴム強度及び耐摩耗性のバランスに優れるトラック・バスタイヤを生産性良く提供する。【解決手段】ポリイソプレン系ゴム及びブタジエンゴムからなる群より選択される少なくとも１種を含むゴム成分１００質量部に対して、補強性充填剤を１０〜６０質量部、ファルネセンを重合して得られるファルネセン系樹脂を１〜２０質量部含有するゴム組成物を用いて作製したキャップトレッドを有するトラック・バスタイヤに関する。【選択図】なし