Synthesis and Characterization of Superhydrophobic-Superoleophobic and Anti-Corrosion Coatings via Sol-Gel Process - Open Journal of Organic Polymer Materials

OJOPM > Vol.10 No.1, January 2020

Open Journal of Organic Polymer Materials

Volume 10, Issue 1 (January 2020)

ISSN Print: 2164-5736 ISSN Online: 2164-5752

Google-based Impact Factor: 2.67 Citations

Synthesis and Characterization of Superhydrophobic-Superoleophobic and Anti-Corrosion Coatings via Sol-Gel Process ()

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DOI: 10.4236/ojopm.2020.101001 1,352 Downloads 3,256 Views Citations

Author(s)

Mohammad Reza Heshmati¹, Sahar Amiri^1*, Maryam Hosseini-Zori²

Affiliation(s)

¹Department of Polymer Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran.
²Department of Inorganic Pigments and Glazes, Institute for Color Science and Technology (ICST), Tehran, Iran.

ABSTRACT

Superoleophobic nanocomposite coatings with improved hydrophobic properties were obtained by incorporation of a perfluoroalkyl polymer in hybrid sol-gel matrix containing silica and titania nanoparticles. SiO₂ and TiO₂ nanoparticles were synthesized based on sol-gel precursors utilizing tetraethyl orthosilicate, 3-glycidoxypropyl trimethoxysilane, and tetra (n-butyl orthotitanate). SEM and EDX images of the coating demonstrated that a Silica nanosphere had been aggregated in superporous structure. The analysis results show that nano-sized inorganic particles (10 - 20 nm) have a uniform distribution and dispersion. By increasing the PFOTES, the oleophobicity of coatings increased due to lowering of surface energy in the presence of fluoropolymer. Results of EIS measurement show that PFOTES and TiO₂ nanoparticles increased anti-corrosion property of hybrid coatings. This method introduces a simple way to produce water- and oil-repellent self-cleaning coatings on large areas of different substrates like glass, ceramic, metal and composites.

KEYWORDS

Super-Hydrophobic, Super-Oleophobic, Sol-Gel, Perfluoroalkyl Polymer (¹H, ¹H, ²H, ²H)-Perfluorooctyltriethoxysilane, Contact Angle

Share and Cite:

Heshmati, M. , Amiri, S. and Hosseini-Zori, M. (2020) Synthesis and Characterization of Superhydrophobic-Superoleophobic and Anti-Corrosion Coatings via Sol-Gel Process. Open Journal of Organic Polymer Materials, 10, 1-15. doi: 10.4236/ojopm.2020.101001.

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