NDLI: Superhydrophobic $Al_{2}O_{3}$–Polymer Composite Coating for Self-Cleaning Applications

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Superhydrophobic $Al_{2}O_{3}$–Polymer Composite Coating for Self-Cleaning Applications

Content Provider	MDPI
Author	Sutar, Rajaram S. Nagappan, Saravanan Bhosale, Appasaheb K. Sadasivuni, Kishor Kumar Park, Kang-Hyun Ha, Chang-Sik Latthe, Sanjay S.
Copyright Year	2021
Description	Superhydrophobic coatings have a huge impact in various applications due to their extreme water-repellent properties. The main novelty of the current research work lies in the development of cheap, stable, superhydrophobic and self-cleaning coatings with extreme water-repellency. In this work, a composite of hydrothermally synthesized alumina $(Al_{2}O_{3}$), polymethylhydrosiloxane (PMHS) and polystyrene (PS) was deposited on a glass surface by a dip-coating technique. The $Al_{2}O_{3}$ nanoparticles form a rough structure, and low-surface-energy PHMS enhances the water-repellent properties. The composite coating revealed a water contact angle (WCA) of 171 ± 2° and a sliding angle (SA) of 3°. In the chemical analysis, Al2p, Si2p, O1s, and C1s elements were detected in the XPS survey. The prepared coating showed a self-cleaning property through the rolling action of water drops. Such a type of coating could have various industrial applications in the future.
Starting Page	1162
e-ISSN	20796412
DOI	10.3390/coatings11101162
Journal	Coatings
Issue Number	10
Volume Number	11
Language	English
Publisher	MDPI
Publisher Date	2021-09-27
Access Restriction	Open
Subject Keyword	Coatings Alumina (al2o3) Coating Superhydrophobic Self-cleaning Composite Coating
Content Type	Text
Resource Type	Article

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