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Susceptibility to filamentous fungi of plywood for furniture coated with waterborne acrylic lacquers
2017 - IRG/WP 17-40778
Filamentous fungi (mould), thanks to their little trophic requirements belong to organisms which grow exceptionally easy and fast in favorable hygrothermal conditions and attack both organic and inorganic materials even with only trace amounts of organic substances on the surface. The fungi often cause spoilage of foodstuffs, worsen the aesthetic of wood-based elements, and pose a threat to the en...
A Fojutowski, M Nowaczyk-Organista, P Hochmańska


Black-stain Resistant Acrylic Latexes for Wood Coatings Applications
2017 - IRG/WP 17-40786
Translucent coatings on wood in exterior applications often fail due to photodegradation and colonization by black-stain fungi and require frequent refinishing. This limits competitiveness with alternative materials. In this project, it was hypothesized that an effective dispersion of inorganic nanoparticles will provide a translucent coating with long-term resistance to black-stain fungi. Functio...
G Boivin, A M Ritcey, P I Morris, V Landry


The Comparison of Weathering Resistance of New Generation Wood-Coating Systems
2017 - IRG/WP 17-40789
In this study, the performance of wood-coating systems containing different UV absorbers was evaluated in artificial weathering conditions. Acrylic-based resin containing three different UV absorbers was applied on oriental beech and scots pine surfaces. Weathering conditions were sustained for 84 days. After the weathering test, the change of color and roughness on the wood surface was measured t...
Ö Özgenç, S Durmaz


Bacterial adhesion to selected wood finishes
2017 - IRG/WP 17-40793
A new generation of furniture, including antibacterial surfaces, should adjust to the changing needs of an ageing population. Respectively, determination of bacterial adhesion on wooden surfaces, finished with various wood finishes or coating is an important topic. The main aims of our work were of a preliminary character. We wanted to state if the existing methods for testing of bacterial adhesio...
M Petrič, D Kekec, J Žigon, K Godič Torkar, K Bohinc


Effect of pretreatment of wood surfaces with a copper monoethanolamine solution on the natural weathering performance of semitransparent stains
2019 - IRG/WP 19-40881
Semitransparent stains for wood products are favored for outdoor applications in Japan because these finishes do not hide the wood grain. However, the photoprotective effects of wood surfaces are low, therefor there is a need to improve the weathering performance. We examined the natural weathering performance of semitransparent stains on wood pretreated with a copper monoethanolamine solution (Cu...
S Isaji, H Shibui, Y Hirabayashi


Adhesion and performance of exterior wood coatings on chemically and thermally modified wood – Results from 5.5 years outdoor exposure
2023 - IRG/WP 23-40964
Non-durable softwood and hardwood species were treated with the water-soluble cyclic N-methylol compounds 1,3-dimethylol-4,5-dihydroxyethyleneurea (DMDHEU) and methylated DMDHEU. One half of the modified specimens were coated with a waterborne acrylic coating system prior a natural weathering for 5.5 years according to EN 927-3 (2020). By frequent evaluations, the impact of chemical modifications ...
L Emmerich, H Militz


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