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本文采用无规聚丙烯和聚氨酯改善国产沥青路用性能的研究,取得了显著的成果。从大量实验数据表明,国产沥青改性后的抗老化、粘附、高低温力学强度和变形等指标具有良好的路用性能,技术经济效益显著,沥青改性剂制作工艺简单,施工工艺方便。该项研究成果,在国内外均具有突破性的进展。
In this paper, a random polypropylene and polyurethane to improve the performance of domestic road asphalt research, and achieved remarkable results. From a large number of experimental data show that domestic asphalt modified anti-aging, adhesion, high temperature mechanical strength and deformation indicators have good road performance, significant technical and economic benefits, asphalt modifier production process is simple, the construction process is convenient. The research results have made breakthrough progress both at home and abroad.