| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel rubber compound efficiently enhancing durability especially when used for a tire member such as a tire tread while inhibiting increase of cost.SOLUTION: There is provided a rubber compound by blending a petroleum coke fine pulverized article having average particle diameter (D50) of over 0 μm and 50 μm or less and carbon black to natural rubber, preferably the petroleum coke fine pulverized article manufactured by pulverizing coke obtained by thermal decomposition of atmospheric distillation residue oil or vacuum distillation residue oil of crude oil or the petroleum coke fine pulverized article of 1 to 500 pts.mass and the carbon black of 1 to 500 pts.mass are blended to 100 pts.mass of the natural rubber.SELECTED DRAWING: None |
