摘要
采用反应型三元共聚物改性剂(即RET)作为一种新的沥青改性剂,研究了其对沥青的结构和性能的影响,同时对不同掺量的RET改性沥青和相同基质沥青的SBS改性沥青的技术特性进行试验对比,试验结果表明:RET改性剂的掺入可以改善沥青的温度敏感性、高温稳定性、耐疲劳性等,通过电子显微镜和红外光谱试验发现RET与沥青发生了化学反应,形成了均匀分布的链状结构。
This article used reactive terpolymer modifier （RET） as a new kind of asphalt modifier to study the effects on the structure and properties of asphalt, and comparative studied the technical characteris- tic of the different dosage RET modified asphalt and SBS modified asphalt. The results indicated that mixing RET modifier could improve the temperature sensitivity, high temperature stability, fatigue resistance, etc. Through electronic microscope and ir test, the chemical reaction between RET and asphalt was found to form a chain structure of uniform distribution.
出处
《石油沥青》
2014年第5期36-41,共6页
Petroleum Asphalt
关键词
反应型三元共聚物
沥青
改性
机理
reactive ternary copolymer
asphalt
modification
mechanism
