Robust Polystyrene/Fluorinated Silica Superhydrophobic Composite Coatings with Rapid Curing at Room Temperature Prepared by One-Step Spraying

doi:10.1007/s42235-023-00396-0

Journal of Bionic Engineering ›› 2023, Vol. 20 ›› Issue (6): 2742-2754.doi: 10.1007/s42235-023-00396-0

Robust Polystyrene/Fluorinated Silica Superhydrophobic Composite Coatings with Rapid Curing at Room Temperature Prepared by One-Step Spraying

Yong Wang1; Lihua Yu1;Junhua Xu1; Kai Jing1; Ningxin Mao1

1 School of Materials Science and Engineering, Jiangsu University of Science and Technology, 2 Mengxi Road, Zhenjiang City, Jiangsu Province, China

出版日期:2023-10-16 发布日期:2023-11-20
通讯作者: Lihua Yu E-mail:lhyu6@just.edu.cn
作者简介:Yong Wang1; Lihua Yu1;Junhua Xu1; Kai Jing1; Ningxin Mao1

Robust Polystyrene/Fluorinated Silica Superhydrophobic Composite Coatings with Rapid Curing at Room Temperature Prepared by One-Step Spraying

Yong Wang1; Lihua Yu1;Junhua Xu1; Kai Jing1; Ningxin Mao1

1 School of Materials Science and Engineering, Jiangsu University of Science and Technology, 2 Mengxi Road, Zhenjiang City, Jiangsu Province, China

Online:2023-10-16 Published:2023-11-20
Contact: Lihua Yu E-mail:lhyu6@just.edu.cn
About author:Yong Wang1; Lihua Yu1;Junhua Xu1; Kai Jing1; Ningxin Mao1

摘要/Abstract

摘要： Superhydrophobic materials are severely limited in their applications due to their weak mechanical properties and complex preparation process. In this paper, polystyrene/fluorinated silica (PS/SiO2) superhydrophobic composite coatings were prepared on the surface of 304 stainless steel using a simple one-step spraying method. The effects of different PS contents on the wettability as well as the wear properties of the samples were investigated. SiO2 was encapsulated in polystyrene to form a structure similar to cement encapsulated stones. With the addition of PS, a mound-like structure was formed on the sample surface, and a more optimized micro–nano structure was obtained when the content of PS was 0.6 g. At this time, the sample exhibited excellent wettability with a contact angle of 157.86° and a sliding angle of 0.84°. In addition, the contact angle of 151.09° was achieved after 180 cm of friction under a 100 g load and the composite coating prepared by this method also has excellent chemical stability, water impact resistance, corrosion resistance, and self-cleaning properties. This opens up new possibilities for the development of simple and robust superhydrophobic materials.

关键词: Superhydrophobic , · Room temperature curing , · Mechanical durability , · Corrosion resistance , · Self-cleaning

Abstract: Superhydrophobic materials are severely limited in their applications due to their weak mechanical properties and complex preparation process. In this paper, polystyrene/fluorinated silica (PS/SiO2) superhydrophobic composite coatings were prepared on the surface of 304 stainless steel using a simple one-step spraying method. The effects of different PS contents on the wettability as well as the wear properties of the samples were investigated. SiO2 was encapsulated in polystyrene to form a structure similar to cement encapsulated stones. With the addition of PS, a mound-like structure was formed on the sample surface, and a more optimized micro–nano structure was obtained when the content of PS was 0.6 g. At this time, the sample exhibited excellent wettability with a contact angle of 157.86° and a sliding angle of 0.84°. In addition, the contact angle of 151.09° was achieved after 180 cm of friction under a 100 g load and the composite coating prepared by this method also has excellent chemical stability, water impact resistance, corrosion resistance, and self-cleaning properties. This opens up new possibilities for the development of simple and robust superhydrophobic materials.

Key words: Superhydrophobic , · Room temperature curing , · Mechanical durability , · Corrosion resistance , · Self-cleaning

Yong Wang, Lihua Yu, Junhua Xu, Kai Jing & Ningxin Mao .

Robust Polystyrene/Fluorinated Silica Superhydrophobic Composite Coatings with Rapid Curing at Room Temperature Prepared by One-Step Spraying

[J]. Journal of Bionic Engineering, 2023, 20(6): 2742-2754.

Yong Wang, Lihua Yu, Junhua Xu, Kai Jing & Ningxin Mao .

Robust Polystyrene/Fluorinated Silica Superhydrophobic Composite Coatings with Rapid Curing at Room Temperature Prepared by One-Step Spraying

[J]. Journal of Bionic Engineering, 2023, 20(6): 2742-2754.

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Robust Polystyrene/Fluorinated Silica Superhydrophobic Composite Coatings with Rapid Curing at Room Temperature Prepared by One-Step Spraying

Robust Polystyrene/Fluorinated Silica Superhydrophobic Composite Coatings with Rapid Curing at Room Temperature Prepared by One-Step Spraying

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Robust Polystyrene/Fluorinated Silica Superhydrophobic Composite Coatings with Rapid Curing at Room Temperature Prepared by One-Step Spraying

Robust Polystyrene/Fluorinated Silica Superhydrophobic Composite Coatings with Rapid Curing at Room Temperature Prepared by One-Step Spraying

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