Preparation and characterization of novel light induced self-healing materials for cracks in asphalt pavements

被引：25
|
作者：
Li, Rui [1 ]
Chen, Jiaqi [1 ]
Zhou, Tianshu [2 ]
Pei, Jianzhong [1 ]
机构：
[1] Changan Univ, Highway Sch, Xian 710064, Peoples R China
[2] Bur Transportat Jiaxing, Jiaxing 314599, Peoples R China
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2016年 / 105卷
基金：
中国博士后科学基金; 高等学校博士学科点专项科研基金; 中国国家自然科学基金;
关键词：
Road engineering; Self-healing agent; Light-induced; OXE-CHI-PUR; Asphalt pavement; MICROCAPSULES;
D O I：
10.1016/j.conbuildmat.2015.12.004
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
This paper is about a kind of asphalt crack self-healing material upon exposure to UV light. In this work, the OXE-CHI-PUR networks self-healing agent are synthesized by the photocatalytic-based chemical method. It is a kind of asphalt crack self-healing material upon exposure to UV light. Fourier transform infrared spectroscopy is used for characterization of the self-healing agent. TG analysis shows self healing agent has good thermal stability. Beside, this paper reveals the repair mechanism, validation and studies the influence of self-healing agent on the properties of asphalt. The result shows that this OXE-CHI-PUR network preferably synthesized self-healing agent for road materials. Self-healing agent can improve the low-temperature property, construction property and anti-aging property of asphalt. But high-temperature property of the asphalt has slight effect. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：336 / 342
页数：7
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