Synthesis of microcapsules with waste oil core and application in self-healing asphalt

被引：16

作者：

Wang, Yongdan ^{[1
]}

Wu, Ruixiang ^{[2
]}

Feng, Mingcong ^{[2
]}

Zhang, Guoxin ^{[2
]}

Zhang, Chunhui ^{[2
]}

Hao, Peiwen ^{[1
]}

机构：

[1] Changan Univ, Minist Transport PRC, Key Lab Rd Struct & Mat, Xian, Shaanxi, Peoples R China

[2] Zhong Jiao Jian Ji Jiao Highway Investment Dev Co, Shijiazhuang, Hebei, Peoples R China

来源：

PETROLEUM SCIENCE AND TECHNOLOGY | 2020年 / 38卷 / 03期

关键词：

asphalt; characterization; in situ polymerization; microcapsules; self-healing;

D O I：

10.1080/10916466.2019.1702679

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 study, microcapsules containing waste oil as rejuvenator were synthetized and characterized to enhance the self-healing ability of asphalt. Chemical structure, thermal stability, and micro morphology of microcapsules were described by Fourier Transform infrared spectroscopy, thermogravimetric analysis, and scanning electron microscope. Self-healing effect of asphalt samples was captured through fatigue-healing test. Results show that microcapsules were fabricated spherical and intact with agglomerated layers, and it has satisfied thermal stability. Addition of microcapsules hardly impacted viscosity of asphalt binder and accelerated the self-healing of asphalt with respect to complex modulus and fatigue life.

引用

页码：203 / 209

页数：7

共 11 条

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