Characterization and Mechanism of a New Superhydrophobic Deicing Coating Used for Road Pavement

Owing to its high efficiency and low environmental impact, superhydrophobic deicing coating material has a bright future for application on road pavements. In this paper, a heterogeneous nucleation ice crystal growth model is proposed, with particular focus on the effect of surface roughness and the...

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Autores principales:	Kaijian Huang, Jiajia Liu, Jiaqing Wang, Xijun Shi
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	superhydrophobic deicing coating Gibbs free energy contact angle road pavement freezing test Crystallography QD901-999
Acceso en línea:	https://doaj.org/article/a34dfc510ef440c8913269e8a46a5e44
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spelling	oai:doaj.org-article:a34dfc510ef440c8913269e8a46a5e442021-11-25T17:17:58ZCharacterization and Mechanism of a New Superhydrophobic Deicing Coating Used for Road Pavement10.3390/cryst111113042073-4352https://doaj.org/article/a34dfc510ef440c8913269e8a46a5e442021-10-01T00:00:00Zhttps://www.mdpi.com/2073-4352/11/11/1304https://doaj.org/toc/2073-4352Owing to its high efficiency and low environmental impact, superhydrophobic deicing coating material has a bright future for application on road pavements. In this paper, a heterogeneous nucleation ice crystal growth model is proposed, with particular focus on the effect of surface roughness and the contact angle. The ice suppression mechanism of superhydrophobic materials is determined by this model and experimentally verified. The experimental results of the water contact angle and anti-skid tests illustrated that the prepared TiO<sub>2</sub>–octadecanoic acid coating material has a contact angle greater than 150° and good skid resistance. The freezing test confirms that the applied coating on the surface can effectively delay the crystallization of water droplets and maintain the waterdrop’s semi-spherical shape after freezing. The microstructure observation demonstrates the TiO<sub>2</sub>–octadecanoic acid material has a good micro-nano mastoid structure. Consequently, the proposed coating materials could possibly be utilized for effectively enhancing the deicing performance of pavements.Kaijian HuangJiajia LiuJiaqing WangXijun ShiMDPI AGarticlesuperhydrophobic deicing coatingGibbs free energycontact angleroad pavementfreezing testCrystallographyQD901-999ENCrystals, Vol 11, Iss 1304, p 1304 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	superhydrophobic deicing coating Gibbs free energy contact angle road pavement freezing test Crystallography QD901-999
spellingShingle	superhydrophobic deicing coating Gibbs free energy contact angle road pavement freezing test Crystallography QD901-999 Kaijian Huang Jiajia Liu Jiaqing Wang Xijun Shi Characterization and Mechanism of a New Superhydrophobic Deicing Coating Used for Road Pavement
description	Owing to its high efficiency and low environmental impact, superhydrophobic deicing coating material has a bright future for application on road pavements. In this paper, a heterogeneous nucleation ice crystal growth model is proposed, with particular focus on the effect of surface roughness and the contact angle. The ice suppression mechanism of superhydrophobic materials is determined by this model and experimentally verified. The experimental results of the water contact angle and anti-skid tests illustrated that the prepared TiO<sub>2</sub>–octadecanoic acid coating material has a contact angle greater than 150° and good skid resistance. The freezing test confirms that the applied coating on the surface can effectively delay the crystallization of water droplets and maintain the waterdrop’s semi-spherical shape after freezing. The microstructure observation demonstrates the TiO<sub>2</sub>–octadecanoic acid material has a good micro-nano mastoid structure. Consequently, the proposed coating materials could possibly be utilized for effectively enhancing the deicing performance of pavements.
format	article
author	Kaijian Huang Jiajia Liu Jiaqing Wang Xijun Shi
author_facet	Kaijian Huang Jiajia Liu Jiaqing Wang Xijun Shi
author_sort	Kaijian Huang
title	Characterization and Mechanism of a New Superhydrophobic Deicing Coating Used for Road Pavement
title_short	Characterization and Mechanism of a New Superhydrophobic Deicing Coating Used for Road Pavement
title_full	Characterization and Mechanism of a New Superhydrophobic Deicing Coating Used for Road Pavement
title_fullStr	Characterization and Mechanism of a New Superhydrophobic Deicing Coating Used for Road Pavement
title_full_unstemmed	Characterization and Mechanism of a New Superhydrophobic Deicing Coating Used for Road Pavement
title_sort	characterization and mechanism of a new superhydrophobic deicing coating used for road pavement
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/a34dfc510ef440c8913269e8a46a5e44
work_keys_str_mv	AT kaijianhuang characterizationandmechanismofanewsuperhydrophobicdeicingcoatingusedforroadpavement AT jiajialiu characterizationandmechanismofanewsuperhydrophobicdeicingcoatingusedforroadpavement AT jiaqingwang characterizationandmechanismofanewsuperhydrophobicdeicingcoatingusedforroadpavement AT xijunshi characterizationandmechanismofanewsuperhydrophobicdeicingcoatingusedforroadpavement
_version_	1718412549918031872

Characterization and Mechanism of a New Superhydrophobic Deicing Coating Used for Road Pavement

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