| 摘要 |
PURPOSE: A rubber composition for tire tread is provided to ensure easy production and short process, to improve a mixing ratio of non-petroleum-derived oil, and to prevent thermal ageing and property degradation of the tread rubber. CONSTITUTION: A rubber composition for tire tread includes 100 parts by weight of a base rubber, 2 - 100 parts by weight of petroleum-derived oil, and 2 - 50 parts by weight of rape seed oil. The petroleum-derived oil is one selected from the group consisting of aromatic oil, naphthenic oil, paraffin oil and combination thereof. The weight ratio of the petroleum-derived oil and the rape seed oil is 8.96 : 2.24 - 2.24 : 8.96.
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