高黏改性沥青研究进展  

Research progress of high viscosity modified asphalt

作　　者：邢明亮[1] 张心攀 赵曦 曹祝林 李祖仲[1] 陈华鑫[1] XING Ming-liang;ZHANG Xin-pan;ZHAO Xi;CAO Zhu-lin;LI Zu-zhong;CHEN Hua-xin(School of Materials Science and Engineering,Chang’an University,Xi’an 710061,China;Anhui Road&Bridge Engineer Co.,Ltd.,Hefei 230031,China)

机构地区：[1]长安大学材料科学与工程学院,陕西西安710061 [2]安徽省公路桥梁工程有限公司,安徽合肥230031

出　　处：《应用化工》2023年第5期1530-1536,共7页Applied Chemical Industry

基　　金：青海省科技计划项目(2021-SF-165);安徽路桥集团科技计划项目(220231200573);长安大学中央高校基本科研业务费资助项目(300102311402)。

摘　　要：高黏改性沥青因具有黏度高、耐老化等优异的路用性能,被广泛应用于桥面铺装层、多孔沥青路面等对结合料性能要求较高的沥青混合料中。高黏改性沥青种类繁多,不同类型高黏改性沥青黏度等性能差异较大,适用场景不同。综述了不同种类高黏改性沥青的国内外研究现状,论述了不同类型高黏改性沥青的改性与增黏机理,综合比较了改性剂种类、掺量等因素对高黏沥青黏度、软化点和流变性能等关键性能的影响。最后总结了高黏改性沥青的应用场景,展望了高黏改性沥青未来研发趋势,对高性能沥青混合料铺装层路用性能的提升具有重要意义。High viscosity modified asphalt has excellent performance such as high viscosity and aging resistance.It is widely used in bridge deck pavement,porous asphalt pavement and other asphalt mixtures with high requirements for binder performance.There are many kinds of high viscosity modified asphalt,and different types of high viscosity modified asphalt have different performance and different application scenarios.The research status of different kinds of high viscosity modified asphalt is reviewed.The modification and viscosity increasing mechanism of different types of high viscosity modified asphalt were discussed,the influences of modifier types,dosage and other factors on the viscosity,softening point and rheological properties of high viscosity asphalt were comprehensively compared.Finally,the application scenarios of high viscosity modified asphalt are summarized,and the development trend of high viscosity modified asphalt is prospected,which is of great significance for improving the road performance of high-performance asphalt mixture pavement.

关 键 词：沥青路面 高黏沥青 改性机理 性能 

分 类 号：TQ317[化学工程—高聚物工业] U414[交通运输工程—道路与铁道工程]