Viscoelasticity of Asphalt Modified With Packaging Waste Expended Polystyrene

doi:10.1016/j.jmst.2014.07.016

Abstract

Abstract: In view of environmental and economic aspect, asphalt was modified with recycled packaging waste expended polystyrene (WEPS) instead of common polymer. The differential scanning calorimetry (DSC), rotational viscometer and dynamic shear rheology (DSR) were used to analyze and evaluate the viscoelasticity of modified asphalt. Results indicate that the sensitivity of modified asphalt to temperature is decreased while the rut resistance of asphalt is increased. In addition, the viscoelasticity of asphalt is improved after the modification with WEPS. Besides, the modified asphalt has high viscosity at low temperature and low viscosity at high temperature, which is favorable for construction.

Key words: Waste plastics, Characterization, Viscosity

Changqing Fang, Linna Jiao, Jingbo Hu, Qian Yu, Dagang Guo, Xing Zhou, Ruien Yu. Viscoelasticity of Asphalt Modified With Packaging Waste Expended Polystyrene[J]. J. Mater. Sci. Technol., 2014, 30(9): 939-943.

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Viscoelasticity of Asphalt Modified With Packaging Waste Expended Polystyrene

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