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Erschienen in: Journal of Coatings Technology and Research 6/2017

18.07.2017

Synthesis and incorporation of poly(methyl methacrylate) microspheres with UV stabilizers in wood clear coating binder

verfasst von: Caroline Queant, Véronic Landry, Pierre Blanchet, Diane Schorr

Erschienen in: Journal of Coatings Technology and Research | Ausgabe 6/2017

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Abstract

The durability of clear coatings is an important problem in the coatings industry. This problem can be partly solved with the addition of UV absorbers (UVAs) in the coating formulation. UVAs can absorb part of the UV radiation and convert it into harmless heat. Organic UVAs are prone to photodegradation and can migrate in the binder of a coating formulation. In this study, commercial UVAs have been encapsulated in poly(methyl methacrylate) microspheres using the internal phase separation method. Microspheres have been incorporated into a clear acrylic binder. The acrylic was then applied on wood panels and was placed into an artificial UV chamber. Efficiency of coatings after aging as well as chemical and physical properties were monitored using a colorimeter, FTIR spectroscopy and transmission electron microscopy. This study presents a comparison between the efficiency of free and encapsulated Tinuvin 1130 and 292 commercial absorbers. Results have shown that the coating efficiency is slightly improved when using the encapsulated products.
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Metadaten
Titel
Synthesis and incorporation of poly(methyl methacrylate) microspheres with UV stabilizers in wood clear coating binder
verfasst von
Caroline Queant
Véronic Landry
Pierre Blanchet
Diane Schorr
Publikationsdatum
18.07.2017
Verlag
Springer US
Erschienen in
Journal of Coatings Technology and Research / Ausgabe 6/2017
Print ISSN: 1547-0091
Elektronische ISSN: 1935-3804
DOI
https://doi.org/10.1007/s11998-017-9943-4

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