Performance and Morphology of Waterborne Polyurethane Asphalt in the Vicinity of Phase Inversion
Chengwei Wu,
Haocheng Yang,
Xinpeng Cui
et al.
Abstract:Waterborne polyurethane asphalt emulsion (WPUA) is an environmentally friendly bituminous material, whose performance is highly dependent on the phase structure of the continuous phase. In this paper, WPUAs in the vicinity of phase inversion were prepared using waterborne polyurethane (WPU) and asphalt emulsion. The chemical structures, thermal stability, dynamic mechanical properties, phase-separated morphology and mechanical performance of WPUAs were studied. Fourier-transform infrared (FTIR) spectra reveale… Show more
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