The polymer modified bitumen is studied by DSC method. The effect of polymer modification is analyzed quantitalively to reveal the mechanism of polymer modified bitumen.

• 应用示差扫描量热法 ( DSC)对聚合物改性沥青进行了研究分析 ,从而对聚合物改性沥青的效果进行了定性分析 ,以揭示聚合物改性沥青的机理。