| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber composition which is excellent in various performances, such as rolling resistance, of a tire, and in workability during production, and suppresses the volatilization of a volatile component such as process oil. SOLUTION: The rubber composition is obtained by blending 100 pts.mass of a rubber component containing at least 50 mass% of styrene-butadiene rubber, 10-30 pts.mass of a phosphazene compound, and 5-95 pts.mass of silica. A pneumatic tire wherein the rubber composition is used in a tread part is also provided. COPYRIGHT: (C)2011,JPO&INPIT
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