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Influence of cerium concentration on the structure and properties of silica-methacrylate sol–gel coatings

AuthorsRosero-Navarro, Nataly Carolina; Figiel, Pawel
KeywordsHybrid coating
Film structure
Issue Date2010
CitationJ Sol-Gel Sci Technol (2010) 54:301–311
AbstractThe aim of this work was to study the effect of the incorporation of cerium nitrate in a silica-methacrylate sol–gel hybrid matrix reinforced with silica nanoparticles. Sols, coatings and powders have been studied, focusing specially in the determination of the redox ratio Ce3?/Ce4? and films structure. Sols have been characterised using viscosity measurements and FT-IR spectroscopy, and powders and coatings obtained with different Ce contents through UV–Vis and FT-IR spectroscopy, TGA, TEM, AFM and FE-SEM. The goal was to reach the best compromise between maximum cerium concentration and coating stability to better understand the mechanisms acting in active anti-corrosive processes.
Publisher version (URL)http://www.springerlink.com/content/842wt224465448n3/fulltext.pdf
Appears in Collections:(ICV) Artículos
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