abstract |
Provided is a rubber composition for tire treads wherein the rubber composition contains thermally expandable microcapsules and improves frictional performance on ice beyond prior art levels. Wherein the rubber composition for tire treads, a diene rubber, contains from 1 to 20 parts by weight of a millable silicone rubber compound and from 0.2 to 20 parts by weight of thermally expandable microcapsules per 100 parts by weight of the diene rubber, wherein the millable silicone rubber compound contains silica. |