A Rapid Synthesis Of SiO2 Nanoparticles For Fabrication Of Rewritable Superhydrophobic Surface Coatings
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Published
Oct 8, 2021
Abdul Khalique
Dr. M. Wasim Akhtar
Aqsa Shaikh
Muddassir Ali Memon
Abstract
Superhydrophobic surfaces are being widely analysed, engineered, and employed for a variety of engineering applications ever since last decade because of some exceptional self-cleaning characteristics and anti-wetting behaviour. Herein we state the fabrication of poly vinyl alcohol (PVA) based rewritable superhydrophobic surface coating, through synthesized SiO2 nanoparticles obtained using Sol-Gel technique. Liquid sodium silicate solution being utilized as precursor for the reaction. Surface functionalization of obtained SiO2 nanoparticles is accomplished through trimethylchlorosilane (TMCS) treatment at ambient temperature. Surface functionalized SiO2 nanoparticles were added and mixed at 03 wt.% into stock solution of PVA at 70 ⁰c. Solution was coated with spray gun over glass and metallic surfaces uniformly. A prominent contact angle was attained between surfaces and water droplet that averaged about 154º for metallic surface, and 151º for glass surfaces.
How to Cite
Abdul Khalique, M. Wasim Akhtar, Aqsa Shaikh, & Muddassir Ali Memon. (2021). A Rapid Synthesis Of SiO2 Nanoparticles For Fabrication Of Rewritable Superhydrophobic Surface Coatings. SPAST Abstracts, 1(01). Retrieved from https://spast.org/techrep/article/view/2124
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References
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[5] A. Hooda, M. S. Goyat, J. K. Pandey, A. Kumar, and R. Gupta, “A review on fundamentals, constraints and fabrication techniques of superhydrophobic coatings,” Prog. Org. Coatings, vol. 142, no. December 2019, p. 105557, 2020, doi: 10.1016/j.porgcoat.2020.105557.
[6] F. Sohbatzadeh, M. Farhadi, and E. Shakerinasab, “A new DBD apparatus for super-hydrophobic coating deposition on cotton fabric,” Surf. Coatings Technol., vol. 374, no. June, pp. 944–956, 2019, doi: 10.1016/j.surfcoat.2019.06.086.
[7] A. Ábrahám et al., “Durability of microporous hybrid silica coatings: Optical and wetting properties,” Thin Solid Films, vol. 699, no. March, p. 137914, 2020, doi: 10.1016/j.tsf.2020.137914.
[8] N. ning Ma et al., “Fabrication of amorphous silica coating on graphite substrate by laser cladding,” Ceram. Int., vol. 46, no. 8, pp. 10829–10834, 2020, doi: 10.1016/j.ceramint.2020.01.094.
[9] X. Zhao, D. S. Park, J. Choi, S. Park, S. A. Soper, and M. C. Murphy, “Robust, transparent, superhydrophobic coatings using novel hydrophobic/hydrophilic dual-sized silica particles,” J. Colloid Interface Sci., vol. 574, pp. 347–354, 2020, doi: 10.1016/j.jcis.2020.04.065.
[10] C. Zhang et al., “Environmentally safe, durable and transparent superhydrophobic coating prepared by one-step spraying,” Colloids Surfaces A Physicochem. Eng. Asp., vol. 570, no. December 2018, pp. 147–155, 2019, doi: 10.1016/j.colsurfa.2019.03.015.
[11] D. Y. Nadargi, J. L. Gurav, N. El Hawi, A. V. Rao, and M. Koebel, “Synthesis and characterization of transparent hydrophobic silica thin films by single step sol-gel process and dip coating,” J. Alloys Compd., vol. 496, no. 1–2, pp. 436–441, 2010, doi: 10.1016/j.jallcom.2010.01.157.
[12] I. Torun, M. Ruzi, F. Er, and M. S. Onses, “Superhydrophobic coatings made from biocompatible polydimethylsiloxane and natural wax,” Prog. Org. Coatings, vol. 136, no. August, p. 105279, 2019, doi: 10.1016/j.porgcoat.2019.105279.
[13] F. Zhao, J. Guan, W. Bai, T. Gu, and S. Liao, “Transparent, thermal stable and hydrophobic coatings from fumed silica/fluorinated polyacrylate composite latex via in situ miniemulsion polymerization,” Prog. Org. Coatings, vol. 131, no. October 2018, pp. 357–363, 2019, doi: 10.1016/j.porgcoat.2019.02.013.
[14] H. dong Liu et al., “Superhydrophobic property of epoxy resin coating modified with octadecylamine and SiO 2 nanoparticles,” Mater. Lett., vol. 247, pp. 204–207, 2019, doi: 10.1016/j.matlet.2019.03.128.
[15] L. Lv, H. Liu, W. Zhang, J. Chen, and Z. Liu, “Facile UV-curable fabrication of robust, anti-icing superhydrophobic coatings based on polyurethane,” Mater. Lett., vol. 258, p. 126653, 2020, doi: 10.1016/j.matlet.2019.126653.
Section
GM1: Materials