THERMAL SCIENCE

International Scientific Journal

Li Wei

,

Lei Zhao

,

Ting Zhu

,

Qianwen Wang

,

Jumei Zhao

THE BUBBLE ELECTROSTATIC SPRAYING A NEW TECHNOLOGY FOR FABRICATION OF SUPERHYDROPHOBIC NANOFIBER MEMBRANES

ABSTRACT
Researchers are excited about the latest advances in the long needle electrospinning and the bubble electrospinning, which have triggered wide-spread concern. This paper offers a new angle for modifying both methods, the former is developed into a modified one with an auxiliary helix needle, which is used for fabrication of super-hydrophobic polyvinylidene difluoride-copolypolyhexafluoropropylene nanofiber membrane (PH-E membrane for short), and the latter is extended to a bubble electrostatic spaying, which is used for spraying PDMS microspheres on the PH-E membrane surface, and the resultant membrane is called as the PDMS-PH-E membrane. Both membranes hydrophobicity, surface roughness, porosity, and wetting property are measured and compared, and the drop impact dynamical property of the PDMS-PH-E membrane has opened the path for a new way to design of self-clearing and anti-fouling and anti-wetting surfaces. Far-reaching applications of the membranes include energy harvesting devices and sensors. We anticipate this article to be a starting point for more sophisticated study of the bubble electrostatic spaying and PDMS-PH-E membrane advanced applications.
KEYWORDS
bubble electrostatic spraying, super-hydrophobicity, wetting, geometrical potential theory, capillary effect
PAPER SUBMITTED: 2022-12-21
PAPER REVISED: 2023-03-12
PAPER ACCEPTED: 2023-03-18
PUBLISHED ONLINE: 2024-05-18
DOI REFERENCE: https://doi.org/10.2298/TSCI2403259W
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2024, VOLUME 28, ISSUE Issue 3, PAGES [2259 - 2267]
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The bubble electrostatic spraying a new technology for fabrication of superhydrophobic nanofiber membranes

© 2024 Society of Thermal Engineers of Serbia. Published by the Vinča Institute of Nuclear Sciences, National Institute of the Republic of Serbia, Belgrade, Serbia. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International licence