This paper introduces the development of a high viscosity asphalt modifier and its application in the construction of sponge city roads.SPSC is composed of thermoplastic rubber, viscosifier, plasticizer and adhesive, etc.. The test results show that the modified high viscosity as-phalt has high dynamic viscosity and excellent low-temperature crack resistance and storage stability while maintaining good high-temperature ther-mal stability. In addition, SPSC has a low melting point, good mixing and easy application in construction, and has a good effect in the applica-tion of sponge city drainage asphalt pavement.%介绍了一种高粘度沥青改性剂SPSC及其性能研究.SPSC由热塑性橡胶、增粘剂、增塑剂、胶连剂等按比例组合而成,试验结果表明,通过添加SPSC而形成的改性沥青具有超高的动力粘度,而且可以维持良好的高温热稳定性的同时具有优异的低温抗裂性和储存稳定性.此外SPSC熔点低,拌和性好,容易施工应用,在海绵城市排水沥青路面的应用中具有良好的效果.
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