Durable self-cleaning superhydrophobic composite coatings based on fluorine-modified organic polysilazane and SiO<sub>2</sub> particles prepared by facile spraying technique

Mengyuan Peng; Qi Wang; Min Sha; Biao Jiang; Ding Zhang

doi:10.1016/j.cjche.2025.03.021

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Durable self-cleaning superhydrophobic composite coatings based on fluorine-modified organic polysilazane and SiO₂ particles prepared by facile spraying technique

Updated：2026-01-06

- Durable self-cleaning superhydrophobic composite coatings based on fluorine-modified organic polysilazane and SiO₂ particles prepared by facile spraying technique
- Chinese Journal of Chemical Engineering Vol. 85, Issue 9, Pages: 335-347(2025)
- Affiliations：
  
  1. School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology,Nanjing,China,210094
  2. Xi'an Aerospace Chemical Propulsion Co., Ltd.,Xi'an,China,710025
  3. School of Management Science & Engineering, Nanjing University of Finance & Economics,Jiangsu,China,210046
  4. Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Origanic Chemistry, Chinese Academy Sciences,Shanghai,China,200032
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2025.03.021
  CLC：
- Published：2025
- Accepted：
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particles prepared by facile spraying technique[J]. 中国化学工程学报, 2025, 85(9): 335-347.
DOI：

particles prepared by facile spraying technique[J]. 中国化学工程学报, 2025, 85(9): 335-347. DOI： 10.1016/j.cjche.2025.03.021.

摘要

Abstract

Superhydrophobicity endows various substrates with astonishing multifunctional properties and has received widespread praise in industrial production. However

the fragile connection between the coating and the substrate not only limits the service life of superhydrophobic coatings

but also poses limitations. To address this issue

this study used 3-(perfluorooctyl) propanol and organic polysilazane (OPSZ) with universal anchoring properties as starting materials to obtain fluorine modified OPSZ through a one-step synthesis method

and then doped SiO

micro nano particles to produce superhydrophobic coatings that can be widely applied to various substrates. Investigating the relationship between the hydrophobic properties of the coatings and the amounts of SiO

microparticles and nanoparticles used to create the microscopic rough structure of the superhydrophobic coatings

it was discovered that the hydrophobic properties of the coatings tended to increase as the number of nanoparticles increased. The water contact angle of prepared coatings was still over 157° after 48 h of UV exposure or 180 days of exposure to air. The heat resistance of the created superhydrophobic coatings was tested in a muffle furnace at 400 ℃ for 2 h. The results revealed that the coatings maintained their water contact angle of 155.1°±3.01° and water sliding angle of 6.4°±1.98°

demonstrating their excellent heat

resistance and suitability for use in a variety of high-temperature environments. The work provided a practical way for creating superhydrophobic composite coatings with excellent mechanical stability

acid and alkali corrosion resistance

and heat resistance

and had potential application in antifouling and anti-corrosion.

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Durable self-cleaning superhydrophobic composite coatings based on fluorine-modified organic polysilazane and SiO2 particles prepared by facile spraying technique

DOI：10.1016/j.cjche.2025.03.021

摘要

Abstract

关键词

Keywords

references

Durable self-cleaning superhydrophobic composite coatings based on fluorine-modified organic polysilazane and SiO₂ particles prepared by facile spraying technique