Effect of ultraviolet absorber UV531 on morphology of SBS modified bitumen

被引：0
|
作者：
Zhu, Hao [1 ]
Yu, Yun-Long [2 ]
Feng, Zhen-Gang [1 ]
Li, Pei-Long [1 ]
机构：
[1] Changan Univ, Sch Highway, Xian 710064, Peoples R China
[2] Shandong Pingan Engn Qual Test Co LTD, Yantai 265500, Peoples R China
来源：
ADVANCED MATERIALS AND ENERGY SUSTAINABILITY | 2017年
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
Ultraviolet absorber; SBS modified bitumen; thermal-oxidative aging; ultraviolet aging; morphology; STORAGE STABILITY; FTIR;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In this paper, the ultraviolet absorber UV531/SBS modified bitumens (UV531/SMB) were prepared by the method of melt blending. The thermal-oxidative and ultraviolet (UV) aging of UV531/SBS modified bitumen were simulated by rolling thin film oven test (RTFOT) and indoor-accelerated UV aging test respectively. The effect of UV531 on the morphology of SBS modified bitumen was investigated through fluorescent microscopy (FM). The results demonstrate that the addition of UV531 changes the dispersed state of SBS polymer in bitumen after aging, resulting in a different microstructure of UV531/SMB as compared to the SMB. The FM images suggest an improvement of thermal-oxidative and UV aging resistance of SBS modified bitumen by UV531.
引用
收藏
页码：259 / 265
页数：7
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