Abstract:Taking the Hexin No.70 asphalt as matrix, recycled multilayer co extrusion film scraps(r MCEFS) and styrene butadiene styrene(SBS) as modifier, POE g GMA as a compatibilizer, r MCEFS/SBS modified asphalt composites were prepared by melt blending. The classical performance, rheological properties and microscopic structure of r MCEFS/SBS modified asphalt composites with different contents of r MCEFS were investigated. The results show that the rutting factor of r MCEFS/SBS modified asphalt composites increases with the increase of r MCEFS contents. With the addition of 3% of r MCEFS(by mass of asphalt matrix), r MCEFS/SBS modified asphalt composites achieve the SBS polymer modified asphalt types(type Ⅰ) I D level in the penetration and softening point index, and show the optimal elastic recovery ability.