| abstract |
Disclosed herein are a rubber compositionncomprising a diene rubber and silica, wherein (i) thensilica is compounded in a proportion of 10-150 parts bynweight per 100 parts by weight of the diene rubber, andn(ii) a silicone oil having a polar group at its sidenchain or terminal is compounded in a proportion of 0.1-50nparts by weight per 100 parts by weight of the silica,nand has excellent rebound resilience, tensile property,nabrasion property and processability, and a preparationnprocess thereof. |