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Mechanically robust and superhydrophobic concrete based on sacrificial template approach
Dai, Ziyi1; Guo, Hongda1; Huang, Qiaoxian2; Ding, Sen1; Liu, Yiteng5; Gao, Yibo3; Zhou, Yinning1; Sun, Guoxing1; Zhou, Bingpu1,4
2022-11-01
Source PublicationCement and Concrete Composites
ISSN0958-9465
Volume134Pages:104796
Abstract

Superhydrophobic (SH) concrete with low adhesion, self-cleaning, and corrosion resistance has the potential to significantly meet the challenges of injury and fatality under various external conditions such as irradiation, chemical corrosion, and biological contamination. However, the traditional process to realize the superhydrophobicity normally brings the concern of compressive strength loss. Herein, we introduced a facile approach to fabricate the superhydrophobic concrete with mechanical robustness based on the sacrificial template strategy. The concrete exhibits prominent water-repellency and admirable compressive strength simultaneously. The superhydrophobicity was well maintained after cyclic robustness evaluations, including sandpaper abrasion, knife scratch, water impacting, corrosive solution immersion, and UV radiation. The superhydrophobic concrete also exhibits broad-spectrum self-cleaning capability, such as easy removal of common dust, bacteria detachment, and resistance of ice formations. We believe that the SH concrete can potentially address the mechanical robustness and long-term water repellency towards the real applications in the future.

KeywordAnti-fouling Compressive Strength Concrete Robustness Superhydrophobic
DOI10.1016/j.cemconcomp.2022.104796
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaConstruction & Building Technology ; Materials Science
WOS SubjectConstruction & Building Technology ; Materials Science, Composites
WOS IDWOS:000874677600003
PublisherELSEVIER SCI LTDTHE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
Scopus ID2-s2.0-85139357122
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Citation statistics
Document TypeJournal article
CollectionINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding AuthorSun, Guoxing; Zhou, Bingpu
Affiliation1.Joint Key Laboratory of the Ministry of Education, Institute of Applied Physics and Materials Engineering, University of Macau, Avenida da Universidade, Taipa, Macau, 999078, Macao
2.State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Avenida da Universidade, Taipa, Macau, 999078, Macao
3.Shenzhen Shineway Technology Corporation, Shenzhen, Guangdong, 518000, China
4.Department of Physics and Chemistry, Faculty of Science and Technology, University of Macau, Avenida da Universidade, Taipa, Macau, 999078, Macao
5.Earth, Ocean and Atmospheric Sciences Thrust, The Hong Kong University of Science and Technology (Guangzhou), Guangzhou, Nansha, Guangdong, 511400, China
First Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING
Corresponding Author AffilicationINSTITUTE OF APPLIED PHYSICS AND MATERIALS ENGINEERING;  Faculty of Science and Technology
Recommended Citation
GB/T 7714
Dai, Ziyi,Guo, Hongda,Huang, Qiaoxian,et al. Mechanically robust and superhydrophobic concrete based on sacrificial template approach[J]. Cement and Concrete Composites, 2022, 134, 104796.
APA Dai, Ziyi., Guo, Hongda., Huang, Qiaoxian., Ding, Sen., Liu, Yiteng., Gao, Yibo., Zhou, Yinning., Sun, Guoxing., & Zhou, Bingpu (2022). Mechanically robust and superhydrophobic concrete based on sacrificial template approach. Cement and Concrete Composites, 134, 104796.
MLA Dai, Ziyi,et al."Mechanically robust and superhydrophobic concrete based on sacrificial template approach".Cement and Concrete Composites 134(2022):104796.
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