红外光谱在沥青分析中的应用及其发展趋势

Application and Development Trend of Infrared Spectroscopy in Asphalt Analysis

红外光谱技术能够获取有机化合物官能团的相关信息,可对有机化合物进行定性及定量分析,其在沥青研究中已得到普遍应用。阐述了红外光谱技术的原理、分区及常用的分析方法,总结了红外光谱在沥青真伪甄别、改性剂含量测定、沥青性能预测及其老化机理研究中的应用现状及存在的问题,并对其发展趋势进行了展望,为扩展红外光谱技术应用及沥青分析提供思路。

The infrared spectroscopy technology has become one of the most acknowledged methods in the study of asphalt.By obtaining related information of the functional groups,qualitative and quantitative analysis of organic compounds may be performed.This paper concludes the principle,the partition and common analysis methods of infrared spectroscopy technology.It also summarizes the application status and unresolved difficulties of infrared spectroscopy in the following area of asphalt authenticity discrimination,modifier content measure as well as asphalt performance prediction and its aging mechanism.The development trend is prospected in this paper which provides reference for extending infrared spectroscopy technology application and asphalt analysis.