Corrosion-resistant super-amphiphobic (PVDF-fnAl2O3) coating with thermal and mechanical stability

Ghazali, Nadiah and Basirun, Wan Jeffrey and Nor, Azmi Mohammed and Johan, Mohd Rafie and Rahman, Fariza Abdul (2024) Corrosion-resistant super-amphiphobic (PVDF-fnAl2O3) coating with thermal and mechanical stability. Journal of Coatings Technology and Research, 21 (2). pp. 589-599. ISSN 1547-0091, DOI https://doi.org/10.1007/s11998-023-00840-0.

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Abstract

The thermal and mechanical stability of amphiphobic anti-corrosion coating is evaluated in this study. The coating was fabricated from functionalized nano Al(2)O(3 )and polyvinylidene fluoride (PVDF) and analyzed using FTIR, DSC, TGA, XRD, abrasion and cross-hatched adhesion test analyses. DSC and XRD revealed the presence of multiple crystalline phases of PVDF in the coating which eventually increased the crystallinity and melting temperature. The removal of the CFx chain from alkylsilane occurred at elevated temperatures, which decreased the repellent characteristic. Overall, the coating demonstrated good thermal stability until the temperature of 450degree celsius with the ISO class 2 adhesion.

Item Type: Article
Funders: UNSPECIFIED
Uncontrolled Keywords: Superhydrophobic; Amphiphobic; Fluoroalkylsilane; Thermal degradation
Subjects: Q Science > QD Chemistry
T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Engineering > Department of Mechanical Engineering
Faculty of Science > Department of Chemistry
Deputy Vice Chancellor (Research & Innovation) Office > Nanotechnology & Catalysis Research Centre
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 07 Nov 2024 02:53
Last Modified: 07 Nov 2024 02:53
URI: http://eprints.um.edu.my/id/eprint/45981

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