Wetting of Hydrophobic and Hydrophilic Coatings

A technology of formation of a superhydrophobic coating has been presented which is based on a combination of mechanical punching and vapor deposition of carbon nanoparticles. Contact angles for hydrophobic coatings have been measured. Transport properties of hydrophilic porous coatings from aluminu...

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Veröffentlicht in:	Journal of engineering physics and thermophysics 2021-11, Vol.94 (6), p.1549-1556
Hauptverfasser:	Kuzma-Kichta, Yu. A., Ivanov, N. S., Chugunkov, D. V., Lavrikov, A. V.
Format:	Artikel
Sprache:	eng
Schlagworte:	Aluminum oxide Classical Mechanics Coatings Complex Systems Contact angle Engineering Engineering Thermodynamics Heat and Mass Transfer Hydrophilicity Hydrophobicity Industrial Chemistry/Chemical Engineering Nanoparticles Technology application Thermodynamics Transport properties Vapor deposition Wetting
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Beschreibung
Zusammenfassung:	A technology of formation of a superhydrophobic coating has been presented which is based on a combination of mechanical punching and vapor deposition of carbon nanoparticles. Contact angles for hydrophobic coatings have been measured. Transport properties of hydrophilic porous coatings from aluminum-oxide nanoparticles have been investigated. A method to increase the height of rise of a liquid by forming microtrenches in the coating has been proposed. The height of capillary rise for coatings with microtrenches has been measured.
ISSN:	1062-0125 1573-871X
DOI:	10.1007/s10891-021-02435-1