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Published in: Journal of Coatings Technology and Research 3/2020

02-01-2020

Synthesis and application of silver nanoparticles as biocidal agent in polyurethane coating

Authors: M. Bechtold, A. Valério, A. A. Ulson de Souza, D. de Oliveira, C. V. Franco, R. Serafim, S. M. A. Guelli U. Souza

Published in: Journal of Coatings Technology and Research | Issue 3/2020

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Abstract

Nanostructured materials have become increasingly widespread, and in recent decades, the processing industries have shown a great interest in coating materials with antibacterial properties. In this research, the biocidal effect of silver nanoparticles in the water-soluble polyurethane paint composition was evaluated. Silver nanoparticles in the aqueous phase were prepared by chemical reduction at 500 ppm using polyvinyl alcohol. The material was characterized by UV–Vis, inductively coupled plasma mass spectrometry, dynamic light scattering, zeta potential, and transmission electron microscopy. The effect of silver nanoparticles in terms of yellowing and gloss variation was evaluated by a UV-B radiation test. Silver nanoparticles had no effect on the gloss and yellowing paint film. In addition, positive results were obtained for the protection and resistance against bacteria but not satisfactory resistance against fungi.

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Metadata
Title
Synthesis and application of silver nanoparticles as biocidal agent in polyurethane coating
Authors
M. Bechtold
A. Valério
A. A. Ulson de Souza
D. de Oliveira
C. V. Franco
R. Serafim
S. M. A. Guelli U. Souza
Publication date
02-01-2020
Publisher
Springer US
Published in
Journal of Coatings Technology and Research / Issue 3/2020
Print ISSN: 1547-0091
Electronic ISSN: 1935-3804
DOI
https://doi.org/10.1007/s11998-019-00297-0

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