Facile synthesize of transparent hydrophobic nano- CaCO3 based coatings for self-cleaning and anti-fogging

Syafiq, A. and Vengadaesvaran, Balakrishnan and Ahmed, Usman and Rahim, Nasrudin Abd and Pandey, Adarsh Kumar and Bushroa, Abdul Razak and Ramesh, Kasi and Ramesh, Subramaniam (2020) Facile synthesize of transparent hydrophobic nano- CaCO3 based coatings for self-cleaning and anti-fogging. Materials Chemistry and Physics, 239. p. 121913. ISSN 0254-0584, DOI https://doi.org/10.1016/j.matchemphys.2019.121913.

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Official URL: https://doi.org/10.1016/j.matchemphys.2019.121913


The research work was conducted to synthesize transparent self-cleaning coatings by using organic Polydimethylsiloxane (PDMS) polymers and inorganic nano-Calcium carbonate (CaCO3) fillers that can be fabricated easily on the glass panel via spray-method and cured under room temperature. The coating system has been developed with a low-cost nano-CaCO3 and simple process which is targeted to keep the cost at lower side. The self-cleaning and durability of nano-CaCO3 coating systems after 4 month of outdoor exposure have been investigated. From the obtained result, the transmission of 0.8 wt % of nano-CaCO3 coated substrate was slightly degraded by 7% only indicating that its excellent self-cleaning effect. Higher loading ratio of nano-CaCO3 contributes to larger capillary pressure (Pc) and air-pockets which have deteriorated the water hammer pressure of rainfall impact (PWH) and fog. Therefore, the Water Contact Angle (WCA) of coating system was degraded by 2% only and exhibits a great anti-fog property. © 2019 Elsevier B.V.

Item Type: Article
Funders: UM Power Energy Dedicated Advanced Centre (UMPEDAC) and the Higher Institution Centre of Excellence (HICoE) Program Research Grant, UMPEDAC - 2018 ( MOHE HICOE - UMPEDAC ) and RU007-2018
Uncontrolled Keywords: Anti-fog; Durability; Hydrophobic; Self-cleaning; Transparent
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Faculty of Science > Department of Physics
Deputy Vice Chancellor (Research & Innovation) Office > UM Power Energy Dedicated Advanced Centre
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 16 Jun 2020 05:20
Last Modified: 16 Jun 2020 05:20
URI: http://eprints.um.edu.my/id/eprint/24858

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