Multiscale characterization of the UV aging resistance and mechanism of light stabilizer-modified asphalt

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作者信息关键词期刊信息基础信息归属信息摘要

成果类型：

期刊论文

作者：

Zhao, Wensheng;Fang, Guotao;Qin, Xiao;Mao, Jie

通讯作者：

Qin, X

作者机构：

[Zhao, Wensheng] Changsha Univ Sci & Technol, Natl Engn Res Ctr Highway Maintenance Technol, Changsha 410114, Peoples R China.

[Qin, Xiao; Qin, X] Foshan Univ, Sch Transportat & Civil Engn & Architecture, Foshan 528000, Peoples R China.

[Zhao, Wensheng] Changsha Univ Sci & Technol, Sch Traff & Transportat Engn, Changsha 410114, Peoples R China.

[Fang, Guotao] Guangzhou HuaHui Traff Technol Co Ltd, Guangzhou 510335, Peoples R China.

[Mao, Jie] Guangdong GuanYue Highway & Bridge Co Ltd, Engn Dept, Guangzhou 511450, Peoples R China.

通讯机构：

[Qin, X ] F

Foshan Univ, Sch Transportat & Civil Engn & Architecture, Foshan 528000, Peoples R China.

语种：

英文

关键词：

asphalt;UV aging;characterization

期刊：

REVIEWS ON ADVANCED MATERIALS SCIENCE

ISSN：

1606-5131

年：

2024

卷：

期：

页码：

DOI：

10.1515/rams-2023-0152

基金类别：

This article describes research activities mainly sponsored by the Open Fund of National Engineering Research Center of Highway Maintenance Technology (Changsha University of Science & Technology) (kfj220104). That sponsorship and interest are gratefully acknowledged.

机构署名：

本校为第一机构

院系归属：

交通运输工程学院

摘要：

To clarify the effect and mechanism of hindered amine light stabilizer (HALS) on the UV aging behavior of asphalt binder, T622-HALS was selected as the modifier for UV aging resistance of asphalt. The physicochemical properties and microstructure of T622 light stabilizer were comprehensively analyzed. The light stabilizer-modified asphalt was prepared and placed in the UV radiation chamber for UV aging treatment. Scanning electron microscope and atomic force microscope were used to analyze the microscopic morphology evolution of light stabilizer-modified asphalt induced by UV radiation. The th...

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Multiscale characterization of the UV aging resistance and mechanism of light stabilizer-modified asphalt

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