摘要
基于国内外部分关于SBS改性沥青老化研究报道,分别从热老化、紫外光老化、水老化的角度分析了SBS改性沥青的老化行为。通过常用的宏观指标(常规指标、SHRP指标)和微观指标(红外光谱、凝胶色谱图)分析表明:SBS改性沥青在热氧、紫外线和水的作用下,均会导致基质沥青和SBS改性沥青的老化,紫外线的老化作用比热氧的老化作用更加明显,但是对水老化的研究还处在起步阶段,在今后的研究中要引起足够的重视。
Based on the research of SBS modified asphalt aging＇s reports at home and abroad,the paper analyzed the aging behavior of SBS modified asphalt from the thermal aging,ultraviolet aging and water aging. By analyzing the common macro indexes（conventional index,SHRP index）and micro indexes（infrared spectroscopy,gel chromatogram）,the results showed that both the matrix asphalt and the SBS modified asphalt were aged under the hot oxygen,ultraviolet radiation and water.The aging effect of ultraviolet radiation was more obvious than heat oxygen.The research on water aging was still in the initial stage and needed to cause enough attention in future studies.
出处
《石油沥青》
2013年第4期1-5,共5页
Petroleum Asphalt
基金
国家自然基金(E080703)
关键词
SBS
光老化
热老化
水老化
再生
SBS
UV aging
thermal aging
water aging
regeneration
