摘要
介绍了沥青的光氧老化机理,着重评述了现有的沥青及沥青混合料的光氧老化试验和老化后性能表征方法,阐述了改善沥青耐老化性能的途径。通过研究沥青光氧老化评价的方法,探索提高沥青抗光氧老化能力的途径具有重要的现实意义。
The photooxidation aging Of asphalt has attracted great attention worldwide from both academic and industrial points of view. The mechanisms and existing test methods of photooxidation aging of asphalt are described in this paper. Author also briefly discussed the methods for improving anti-aging properties of asphalt.
出处
《石油沥青》
2007年第2期1-6,共6页
Petroleum Asphalt
关键词
沥青
紫外光
光氧老化
Asphalt
Ultraviolet radiation
Photooxidation aging
