abstract |
The present invention relates to a rubber composition for a tire tread and a tire produced therefrom, wherein the rubber composition for a tire tread comprises silica having a cetyltrimethylammonium bromide adsorption specific surface area of 250 to 255 m2 / g, By weight of a silane coupling agent, 5 to 10 parts by weight of a silane coupling agent, and 0.5 to 5 parts by weight of a processing aid for a metal salt modified with a fatty acid ester compound to increase the dispersibility of silica in the rubber composition, , The braking performance and the rotational resistance characteristics can be improved. |