SBS改性沥青流变性质与显微结构的关系

Relationship Between Rheological Properties and Microstructure of SBS Modified Asphalt

列举了SBS(苯乙烯丁二烯苯乙烯嵌段共聚物 )改性沥青各种复杂的流变现象 ,通过荧光显微照相技术获得聚合物相在沥青中的结构与形态 ,对其微观结构进行分析 ,归纳出影响SBS改性沥青流变性质的几个重要因素 .结合流变学理论提出了聚合物改性沥青流变性质与显微结构关系的流变方程 。

The complicated rheological properties of SBS modified asphalt were listed.Then the microstructure of polymer phase in asphalt is obtaind by fluorescence optical microscopy.By analyzing the microstructure,several important factors that affect the rheological properties of SBS modified asphalt are concluded.Finally,according to rheology theory and the analysis,new equation that used to explain the relationship between rheological properties and microstructure of SBS modified asphalt is set.The theory can be successfully used to explain the listed complicated rheological properties of SBS modified asphalt.