Brookfield viscosity test,Multiple Stress Creep Recovery Test(MSCR)and Fourier Transform Infrared(FTIR)were conducted to investate the high temperature theological properties and microstructures of SBS(Styrenic Block Copolymers)-WCO(Waste Cooking Oil)recycled asphalt.Test results indicated that the viscosity of recycled as-phalt was decreased significantly,and the high temperature rheological properties was improved.The composite rejuve-nator and aged asphalt was mixed by physical effect.The lossing of lightweight small molecules was relieved by the re-juvenator,which resulted in the enhancement of aging resistance for recycled asphalt.
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