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将高分子量聚氯乙烯及其辅料混合掺入道路煤沥青中 ,以提高道路煤沥青的温度稳定性 ,改善煤沥青混合料的路用性能。经室内研究及试验路观察 ,其改性效果明显 ,改性工艺简单易行 ,经济效益显著。
High-molecular-weight PVC and its auxiliary materials are mixed and mixed into road coal tar pitch to improve the temperature stability of coal tar pitch and improve the road performance of coal tar pitch mixture. The indoor study and experimental observation of the road, the modification effect is obvious, the modification process is simple and easy, with significant economic benefits.