| abstract |
A rubber component containing at least one a diene-based rubber in an amount of 100 parts by weight and a surface-treated silica treated, on the surface thereof, with at least one silane coupling agent X represented by formula (I):n nwherein Y independently indicate a methoxy, ethoxy, propoxy, isopropoxy, butoxy, isobutoxy or acetoxy group, R indicates a C 1 to C 18 hydrocarbon group selected from a linear, cyclic or branched alkyl group, alkenyl group, aryl group, and aralkyl group and a rubber composition containing the same. |