Superhydrophobic coating of a modified calcium sulfate whiskers@SiO2-F/TPU for anti-icing applications

Superhydrophobic materials have been explored extensively on account of their unique properties such as self-cleaning and anti-icing. However, most of materials that are used to prepare superhydrophobic coatings tend to be costly, and the coating durability is limited. Here, we used laboratory-produ...

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Main Authors: Chen, Zhengjun, Shen, Binbin, Zhang, Yulu, Guo, Hanlong, Chen, Zhong, Wei, Rong, Hu, Jun
Other Authors: School of Materials Science and Engineering
Format: Article
Language:English
Published: 2024
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Online Access:https://hdl.handle.net/10356/174677
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Institution: Nanyang Technological University
Language: English
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spelling sg-ntu-dr.10356-1746772024-04-12T15:48:06Z Superhydrophobic coating of a modified calcium sulfate whiskers@SiO2-F/TPU for anti-icing applications Chen, Zhengjun Shen, Binbin Zhang, Yulu Guo, Hanlong Chen, Zhong Wei, Rong Hu, Jun School of Materials Science and Engineering Engineering Calcium sulfate whiskers Superhydrophobic coating Superhydrophobic materials have been explored extensively on account of their unique properties such as self-cleaning and anti-icing. However, most of materials that are used to prepare superhydrophobic coatings tend to be costly, and the coating durability is limited. Here, we used laboratory-produced low-cost calcium sulfate whiskers modified with sodium hexametaphosphate. The modified particles are further loaded with silica, produced by the hydrolysis of ethyl orthosilicate, on the surface. Finally, superhydrophobic coatings are prepared by surface modifying the composite particles with 1H,1H,2H,2H-perfluorodecyltrimethoxysilane and dispersing them into thermoplastic polyurethanes using N,N-dimethylformamide as a solvent. The coating exhibits excellent hydrophobicity with a contact angle of 159 ± 2° and a rolling angle of 7 ± 1°. These properties are attributed to the multi-scale structures constructed by the composite particles. Meanwhile, it also possesses good chemical stability and anti-icing ability. Due to the low price of this material, the developed composite coating has great potential in various industrial applications. Submitted/Accepted version Financial support from the National Natural Science Foundation of China (No. 21676216), Special project of Shaanxi Provincial Education Department, China (20JC034, 2021008) are gratefully acknowledged. 2024-04-07T10:42:05Z 2024-04-07T10:42:05Z 2024 Journal Article Chen, Z., Shen, B., Zhang, Y., Guo, H., Chen, Z., Wei, R. & Hu, J. (2024). Superhydrophobic coating of a modified calcium sulfate whiskers@SiO2-F/TPU for anti-icing applications. Advanced Powder Technology, 35(3), 104362-. https://dx.doi.org/10.1016/j.apt.2024.104362 0921-8831 https://hdl.handle.net/10356/174677 10.1016/j.apt.2024.104362 2-s2.0-85184998194 3 35 104362 en Advanced Powder Technology © 2024 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved. This article may be downloaded for personal use only. Any other use requires prior permission of the copyright holder. The Version of Record is available online at http://doi.org/10.1016/j.apt.2024.104362. application/pdf
institution Nanyang Technological University
building NTU Library
continent Asia
country Singapore
Singapore
content_provider NTU Library
collection DR-NTU
language English
topic Engineering
Calcium sulfate whiskers
Superhydrophobic coating
spellingShingle Engineering
Calcium sulfate whiskers
Superhydrophobic coating
Chen, Zhengjun
Shen, Binbin
Zhang, Yulu
Guo, Hanlong
Chen, Zhong
Wei, Rong
Hu, Jun
Superhydrophobic coating of a modified calcium sulfate whiskers@SiO2-F/TPU for anti-icing applications
description Superhydrophobic materials have been explored extensively on account of their unique properties such as self-cleaning and anti-icing. However, most of materials that are used to prepare superhydrophobic coatings tend to be costly, and the coating durability is limited. Here, we used laboratory-produced low-cost calcium sulfate whiskers modified with sodium hexametaphosphate. The modified particles are further loaded with silica, produced by the hydrolysis of ethyl orthosilicate, on the surface. Finally, superhydrophobic coatings are prepared by surface modifying the composite particles with 1H,1H,2H,2H-perfluorodecyltrimethoxysilane and dispersing them into thermoplastic polyurethanes using N,N-dimethylformamide as a solvent. The coating exhibits excellent hydrophobicity with a contact angle of 159 ± 2° and a rolling angle of 7 ± 1°. These properties are attributed to the multi-scale structures constructed by the composite particles. Meanwhile, it also possesses good chemical stability and anti-icing ability. Due to the low price of this material, the developed composite coating has great potential in various industrial applications.
author2 School of Materials Science and Engineering
author_facet School of Materials Science and Engineering
Chen, Zhengjun
Shen, Binbin
Zhang, Yulu
Guo, Hanlong
Chen, Zhong
Wei, Rong
Hu, Jun
format Article
author Chen, Zhengjun
Shen, Binbin
Zhang, Yulu
Guo, Hanlong
Chen, Zhong
Wei, Rong
Hu, Jun
author_sort Chen, Zhengjun
title Superhydrophobic coating of a modified calcium sulfate whiskers@SiO2-F/TPU for anti-icing applications
title_short Superhydrophobic coating of a modified calcium sulfate whiskers@SiO2-F/TPU for anti-icing applications
title_full Superhydrophobic coating of a modified calcium sulfate whiskers@SiO2-F/TPU for anti-icing applications
title_fullStr Superhydrophobic coating of a modified calcium sulfate whiskers@SiO2-F/TPU for anti-icing applications
title_full_unstemmed Superhydrophobic coating of a modified calcium sulfate whiskers@SiO2-F/TPU for anti-icing applications
title_sort superhydrophobic coating of a modified calcium sulfate whiskers@sio2-f/tpu for anti-icing applications
publishDate 2024
url https://hdl.handle.net/10356/174677
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