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Hydrophilic nano-SiO2/PVA-based coating with durable antifogging properties by Guoqiang Wu; Yuling Yang; Yongtong Lei; Dapeng Fu; Yuchao Li; Yanhu Zhan; Jinming Zhen; Mouyong Teng is a Materials Science article available to read on EtoBox.
What is Hydrophilic nano-SiO2/PVA-based coating with durable antifogging properties about?
## Hydrophilic SiO 2 /poly(vinyl alcohol) (PVA) coating prepared by solution blended method showed high light transmittance and durable antifogging performance. The effects of SiO 2 content and pH value of SiO 2 suspension on the morphology and properties of hydrophilic coating were studied by Fourier transform infrared spectroscopy, scanning electron microscopy, atomic force microscopy, contact angle test, ultraviolet visible light spectrophotometer, and antifogging test. Results showed that the PVA had good compatibility with nano-SiO 2 because of the formation of Si-O-C chemical bond at the interface between nano-SiO 2 and PVA. When prepared at pH = 7, SiO 2 /PVA coatings (SiO 2 /PVA mass ratio of 0.8) were hydrophilic, with a water contact angle of 22.9°, and exhibited papilla-like surface features (RMS = 7.6 nm). Polyethylene (PE) samples coated with this SiO 2 /PVA film exhibited a light transmittance of up to 90%, between 560 and 700 nm, and remained fog-free for more than 1 month after exposure to water at 60°C (QB/T 4475-2013 standard). Water-resisting and wear-resisting tests revealed that antifogging coatings demonstrated excellent mechanical properties.
Who reads Hydrophilic nano-SiO2/PVA-based coating with durable antifogging properties?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Guoqiang Wu; Yuling Yang; Yongtong Lei; Dapeng Fu; Yuchao Li; Yanhu Zhan; Jinming Zhen; Mouyong Teng
- Publisher
- Springer US; Springer-Verlag; Federation of Societies for Coatings Technology; Springer New York LLC; Springer Science and Business Media LLC (ISSN 1935-3804)
- Published
- 2020
- Language
- EN
- Field
- Materials Science (Physical Sciences)