| 摘要 |
Anti-ageing additive for bitumen that comprises grape bagasse that is dried and ground to a particle size having a diameter of between 10 µm and 10 000 µm, with free-radical scavengers, which essentially comprises: 1.5 to 12 wt.% phenol; 2.5 to 20 wt.% tannins; 0.5 to 5 wt.% procyanidins; and 0.0 to 0.8 wt.% anthocyanins. Method for preparing said additive, bitumen with anti-ageing properties, method for preparing said bitumen; asphalt with anti-ageing properties and methods preparing said asphalt with anti-ageing properties. |
