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Published in: Journal of Materials Science 12/2017

02-03-2017 | Original Paper

Influence of colloidal nano-silica on alkyd autoxidation

Authors: Miroslav Nikolic, Anand R. Sanadi, David Löf, Søren T. Barsberg

Published in: Journal of Materials Science | Issue 12/2017

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Abstract

Nanoparticles are often added to coatings in order to improve their mechanical properties. However, nanoparticles can also influence the cross-linking reaction of polymers and overall curing kinetics, and from this follows that properties of interest are further impacted. In research studies on alkyd-based coatings, only the physical drying stage during the first 24 h has been studied in this respect until now. In this study, it was shown with the use of Raman spectroscopy that colloidal nano-silica can change the rate of alkyd autoxidation and how this effect is reflected on the tensile properties of the coating. One of the consequences of the influence of nano-silica on curing kinetics is that, contrary to implicit assumptions of common testing methods, the real effect of nanoparticles on mechanical properties can emerge much later in the coating lifetime.

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Metadata
Title
Influence of colloidal nano-silica on alkyd autoxidation
Authors
Miroslav Nikolic
Anand R. Sanadi
David Löf
Søren T. Barsberg
Publication date
02-03-2017
Publisher
Springer US
Published in
Journal of Materials Science / Issue 12/2017
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-017-0951-7

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