PROBLEM TO BE SOLVED: To provide a summer tire that offers an excellent balance of fuel economy, wet grip performance and handling ability, and has a low discoloration of a tire surface.SOLUTION: This invention relates to a summer tire having a tread made using a rubber composition wherein, based on the rubber component 100 mass%, the content of farnesene resin with a weight average molecular weight of 1000-500000 is 1-50 pts. mass, and the content of silica with a nitrogen adsorption specific surface area of 40-400 m2/g is 10-150 pts.
【課題】低燃費性、ウェットグリップ性能及びハンドリング性能のバランスに優れ、タイヤ表面の変色が少ない夏用タイヤを提供する。【解決手段】ゴム成分100質量部に対して、重量平均分子量が1000〜500000のファルネセン系樹脂を1〜50質量部、窒素吸着比表面積が40〜400m2/gのシリカを10〜150質量部含有するゴム組成物を用いて作製したトレッドを有する夏用タイヤに関する。【選択図】なし
SUMMER TIRE
夏用タイヤ
2016-01-12
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 |
RUBBER COMPOSITION FOR TREAD OF PASSENGER CAR SUMMER TIRE
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