SEBS和SBS对沥青性能影响的差异研究  

Research of Different Influences of SEBS and SBS on Performances of Bitumen

作　　者：朱明广[1] 李文志[1] 于猛[1] 徐茂震[1] 郭子斌[1] Zhu Mingguang Li Wenzhi Yu Meng Xu Maozhen Guo Zibin(Technical Center of Beijing Oriental Yuhong Waterproof Technology Co., Ltd., Beijing 101309, China)

机构地区：[1]北京东方雨虹防水技术股份有限公司技术中心,北京101309

出　　处：《中国建筑防水》2017年第6期5-8,共4页China Building Waterproofing

摘　　要：通过试验对比了SEBS改性沥青和SBS改性沥青软化点、针入度、黏度和抗紫外老化性能的差异,结果表明,相对于SBS改性沥青,SEBS改性沥青的软化点更高、针入度更低、黏度更高,说明后者对温度的敏感性较低,但低温使用性能相对较差、流变性相对较差。相对于老化后的SBS改性沥青,老化后的SEBS改性沥青红外光谱中的羰基和亚砜基特征峰吸光度较低,说明其抗紫外老化性能相对较好。Through experiments, the article compares the differences of softening point, penetration, viscosity, resistance to UV aging between SEBS modified bitumen and SBS modified bitumen. Results show compared to SBS modified bitumen, SEBS modified bitumen has higher softening point and viscosity, lower penetration, that means the temperature sensibility of the latter is lower, but its low temperature performance and theological property is poor. For SEBS modified bitumen after aging, the absorbanee of earbonyl and sulfoxide characteristic peak in infrared spectroscopy is lower than SBS modified bitumen, it shows SEBS modified bitumen possesses better anti-ultraviolet aging property.

关 键 词：SEBS改性沥青 SBS改性沥青 软化点 针入度 黏度 抗紫外老化性能 

分 类 号：U414[交通运输工程—道路与铁道工程]