期刊
MATERIALS
卷 15, 期 1, 页码 -出版社
MDPI
DOI: 10.3390/ma15010370
关键词
plasma treatment; waterborne and solvent-borne coatings; adhesion strength; weathering; surface roughness
This research investigates the effect of plasma treatment with different gases on the performance of coated wood samples. The results show that plasma treatment significantly improves coating adhesion and abrasion resistance, and increases the weather resistance of the wood. The performances of waterborne and solvent-borne coatings on plasma-treated wood are comparable.
This research investigates the effect of plasma treatment with air, nitrogen (N-2), and carbon dioxide (CO2) gases on the performance of waterborne (acrylic) and solvent-borne (polyester) coated fir (Abies alba M.) wood samples. The properties of the plasma-coated samples were analyzed before and after exposure to accelerated weathering and compared with those of untreated and solely treated ones. According to pull-off testing, the coating adhesion of the wood samples was considerably improved by plasma treatment, and obvious differences were observed between different plasma gases. The effect was more pronounced after the weathering test. Similar results were obtained for the abrasion resistance of the samples. The water contact angle measurement illustrated more hydrophilic character in the solely plasma-treated wood in comparison with the untreated wood. The application of coatings, however, strongly improved its hydrophobic character. The performances of waterborne and solvent-borne coatings on plasma-treated wood were comparable, although slightly better values were obtained by the waterborne system. Our results exhibit the positive effect of plasma treatment on coating performances and the increased weather resistance of the waterborne and solvent-borne coating systems on plasma-treated wood.
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