PROBLEM TO BE SOLVED: To improve on-ice performance in a rubber composition for a tire and a tire.SOLUTION: Provided is a rubber composition for a tire containing a pellet including paper powder and starch and having a moisture percentage of 5 mass% or more by 0.5-20 pts.mass to 100 pts.mass of a rubber component made of diene rubber. Also provided is a tire provided with a tread rubber made of foam rubber formed of the rubber composition. Also provided is a method for producing a tire where a rubber component made of diene rubber in 100 pts.mass is mixed with a pellet including paper powder and starch and having a moisture percentage of 5 mass% by 0.2-20 pts.mass to produce a rubber composition, an unvulcanized tire is produced by using the obtained rubber composition, and the unvulcanized tire is subjected to vulcanization molding.SELECTED DRAWING: None
【課題】タイヤ用ゴム組成物及びタイヤにおいて氷上性能を向上する。【解決手段】ジエン系ゴムからなるゴム成分100質量部に対して、紙粉末と澱粉を含み水分率が5質量%以上であるペレットを0.5〜20質量部含有するタイヤ用ゴム組成物である。また、上記ゴム組成物により形成された発泡ゴムからなるトレッドゴム部を備えたタイヤである。また、タイヤの製造方法では、ジエン系ゴムからなるゴム成分100質量部に対して、紙粉末と澱粉を含み水分率が5質量%以上であるペレットを0.2〜20質量部混合して、ゴム組成物を作製し、得られたゴム組成物を用いて未加硫タイヤを作製し、前記未加硫タイヤを加硫成型する。【選択図】なし
RUBBER COMPOSITION FOR TIRE, TIRE, AND METHOD FOR PRODUCING THE SAME
タイヤ用ゴム組成物、タイヤ及びその製造方法
2017-01-26
Patent
Electronic Resource
Japanese
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE , Herstellen besonderer Gegenstände aus Kunststoff oder aus Stoffen in plastischem Zustand / B60C VEHICLE TYRES , Fahrzeugreifen / C08J Verarbeitung , WORKING-UP |
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