| 摘要 |
A tire tread rubber composition is provided to improve cut and chip performance and exothermic performance and to increase abrasion resistance by comprising petroleum resin and pyroligneous liquor. A tire tread rubber composition comprises a petroleum resin 1~10 parts by weight having a flash point 270~300 °C, softening point 105±5 °C, and specific gravity 1.0±0.3 based on the base rubber 100.0 parts by weight; pyroligneous liquor 1~10 parts by weight obtained from one or more selected from the group consisting of pine, larch, oak, cryptomeria japonica, big-cone pine, fir, korean fir, oak tree, spruce and bamboo; and at least one reinforcing filler 10~80 parts by weight selected from the group consisting of titanium dioxide, clay, layered silicate, tungsten and talc.
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