多聚磷酸与SBS复合改性沥青改性工艺研究
发布时间：2019-04-25 12:19
【摘要】：研究了多聚磷酸(PPA)掺量、发育温度、发育时间、PPA添加顺序对多聚磷酸与SBS聚合物复合改性沥青改性性能和储存稳定性的影响。根据本文的研究结果,推荐PPA与SBS复合改性沥青的最佳PPA掺量为0.5%~1.0%,最佳发育温度为170℃。在生产PPA与SBS复合改性沥青时,首先应加入SBS改性剂,待SBS溶胀后再加入PPA,如此复合改性沥青可获得较好的使用性能和储存稳定性。
[Abstract]:The effects of polyphosphoric acid (PPA) content, development temperature, development time and PPA addition order on the modification performance and storage stability of polyphosphoric acid and SBS polymer modified asphalt were studied. According to the results of this study, it is recommended that the optimum PPA content of PPA and SBS modified asphalt is 0.5% ~ 1.0%, and the optimum development temperature is 170 鈩，
本文编号：2465084
[Abstract]:The effects of polyphosphoric acid (PPA) content, development temperature, development time and PPA addition order on the modification performance and storage stability of polyphosphoric acid and SBS polymer modified asphalt were studied. According to the results of this study, it is recommended that the optimum PPA content of PPA and SBS modified asphalt is 0.5% ~ 1.0%, and the optimum development temperature is 170 鈩，
本文编号：2465084
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