Journal
APPLIED SURFACE SCIENCE
Volume 434, Issue -, Pages 1183-1192Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2017.10.214
Keywords
Photostabilisation; Wood; Plasma coatings; Zinc oxide; ATR-FTIR; Surface roughness
Categories
Funding
- Lower Saxony Ministry of Science and Culture
- project PRO-DD (POS-CCE) [O.2.2.1, 123, SMIS 2637, 11/2009]
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In this study, artificial ageing of beech wood coated with Zn/ZnO particles by means of a cold plasma spraying process as well as coating systems including a Zn/ZnO layer and additional conventional sealings were examined. As ascertained by colour measurements, the particle coatings significantly decreased UV light-induced discolouration. Even though no significant colour changes were observed for particle-coated and alkyd-sealed samples, ATR-FTIR measurements revealed photocatalytic degradation of the alkyd matrix. In contrast, the polyurethane sealing appeared to be stabilised by the Zn/ZnO coating. Furthermore, morphologic properties of the pure particle coatings were studied by SEM and roughness measurements. SEM measurements confirmed a melting and solidifying process during deposition. (C) 2017 The Authors. Published by Elsevier B.V.
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