| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber composition for a tire, having effectively improved properties on ice by a comparatively small compounded amount, and having the excellent properties on the ice and excellent abrasion resistance in the rubber composition compounded with bamboo charcoal suitable for a studless tire. SOLUTION: The method for producing the rubber composition for the tire comprises a mixing step (A) for charging a diene rubber, a reinforcing filler (carbon black and silica) and a liquid additive (oil, a coupling agent and the like) to a mixer, and mixing them, and a mixing step (B) for adding and mixing a vulcanizing agent and the bamboo charcoal powder having 10-500μm average particle diameter to and with the mixed composition comprising the diene rubber, the reinforcing filler and the liquid additive by a mixer. COPYRIGHT: (C)2007,JPO&INPIT
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