| 摘要 |
PROBLEM TO BE SOLVED: To provide a rubber composition for tire run-flat reinforced liner capable of enhancing hardness, heat generation property, fatigue resistance and durability at same time and a pneumatic run-flat tire using the same.SOLUTION: The above problem is solved by a rubber composition manufactured by blending 100 pts.mass of a diene rubber containing BR, 30 to 80 pts.mass of carbon black having nitrogen adsorption specific surface area of 20 to 50 m/g, 0.5 to 10 pts.mass of a phenol resin containing for example bisphenol F of 0.5 to 10 mass% and 0.5 to 5 pts.mass of a methylene donor compound. |
