Synthesis of ZnO nanoparticles and studying its influence on the antimicrobial, anticorrosion and mechanical behavior of polyurethane composite for surface coating

Theodor Bilharz Research Institute

Bibliographic Information

Authors: El Saeed A.M.; El-Fattah M.A.; Azzam A.M.

Journal: Dyes and Pigments

Publisher: Elsevier Ltd

Publication Date: October 2015

Volume / Issue: Volume 121

Pages: 282–289

ISSN: 1437208

DOI: 10.1016/j.dyepig.2015.05.037

Scopus: View on Scopus

Document Type: Article

Authors and Affiliations

El Saeed A.M., Petroleum Applications Department, Egyptian Petroleum Research Institute (EPRI), Cairo, Egypt; El-Fattah M.A., Production Department, Egyptian Petroleum Research Institute (EPRI), Cairo, Egypt; Azzam A.M., Environmental Researches Department, Theodor Bilharz Research Institute (TBRI), Giza, Egypt

Abstract

Zinc oxide nanoparticles (ZnO NPs) were obtained by a direct precipitation method. The TEM photograph demonstrated that the synthesized ZnO NPs were of a pseudo-spherical shape and the average diameter of the particles is 20.0 nm. ZnO polyurethane nanocomposite (ZPN) coating films were fabricated by uniformly dispersing ZnO NPs in varying loading levels 0.1 to 2.0 wt.% in commercial two component polyurethane by ultrasonication. The antimicrobial activity of ZPN coating films was screened against Gram-negative and Gram-positive bacteria. Corrosion performance, physical and mechanical properties of ZPN coating films was evaluated. The resulting perfect dispersion of ZnO NPs in polyurethane coating was revealed by SEM. The results showed slowdown, the growth of organisms on the ZPN coating surface, and also showed an improvement in the corrosion resistance, mechanical resistance at lower concentration, and this improvement increases with increase ZnO NPs wt.%. © 2015 Elsevier Ltd. All rights reserved.

Keywords

Antimicrobial activity; Corrosion resistance; Mechanical properties; Polyurethane nanocomposite; Surface wettability; ZnO nanoparticles; Bacteria; Coatings; Corrosion; Dispersions; Metal nanoparticles; Microorganisms; Nanocomposite films; Nanocomposites; Nanoparticles; Polyurethanes; Precipitation (chemical); Synthesis (chemical); Anti-microbial activity; Direct precipitation methods; Gram-positive bacterium; Physical and mechanical properties; Polyurethane nanocomposites; Zinc oxide nanoparticles; Zinc oxide

Citation Information

Scopus Citations: 144

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