复合型SBS在改性沥青中的应用性能研究

Study on the Performance of Composite SBS in Modified Asphalt

为了降低SBS改性沥青生产成本,充分发挥不同改性剂的性能优势,研究了复合型SBS改性剂在不同掺量下改性沥青的技术参数的变化,并与单掺线型SBS和单掺星型SBS的改性沥青技术指标进行了对比分析。结果表明:复合型SBS改性沥青的高温、低温性能较突出;复合型SBS是一种性价比更高的改性沥青生产方式。

In order to reduce cost and develop advantages of different modifiers in preparing SBS modified asphalts,this thesis displays technical indexes of modified asphalt in different mixing volume of composite SBS modifiers.Meanwhile,these technical indexes are also compared with that of linear SBS and star SBS.The results indicate that composite SBS modified asphalt has excellent high and low temperature performance and composite SBS modifiers are of higher cost-efficiency in preparing SBS modified asphalt.