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Simultaneous improvement of surface wettability and UV resistance of wood with lignin-based treatments [Elektronski vir]Herrera Diaz, Rene Alexander ...Recent advancements in wood modification aim to enhance the inherent qualities of this versatile biological material, which includes renewability, ease of processing, and thermal insulation. This ... study focuses on evaluating the effectiveness of lignin as a protective agent for less durable wood species, namely, Pinus nigra and Fagus sylvatica L. The impregnation of wood with three various forms of lignin, such as kraft lignin, acetylated kraft lignin, and lignin nanoparticles, was carried out using the vacuum technique at room conditions. The results showed that the treatments significantly improve the hydrophobicity of wood surfaces, particularly in pine wood, and provide protection against UV ageing. Additionally, the treatments contributed to the stabilisation of moisture content at different humidity levels. Although slight colour variations were observed, their impact on the visual appearance was minimal, and the thermal analysis confirmed enhanced thermal properties. Additionally, plasma treatment further enhanced hydrophobicity after treatments, offering potential benefits in terms of moisture resistance and durability. The findings of this study highlight the promising effects of lignin-based treatments on wood properties, providing sustainable solutions for wood protection in various sectors. However, further optimisation is needed to fully explore the potential of lignin and lignin nanoparticles.Source: Polymers [Elektronski vir]. - ISSN 2073-4360 (Vol. 15, iss. 16, art. 3409, 2023, str. 1-15)Type of material - e-article ; adult, seriousPublish date - 2023Language - englishCOBISS.SI-ID - 164101123
Author
Herrera Diaz, Rene Alexander |
Poohphajai, Faksawat |
Sandak, Anna Malgorzata |
Gordobil, Oihana
Topics
wood modification treatments |
lignin treatments |
enhanced hydrophobicity |
UV protection |
moisture content stabilisation |
obdelave za modificiranje lesa |
zdravljenje z ligninom |
povečana hidrofobnost |
UV zaščita |
stabilizacija vsebnosti vlage
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Herrera Diaz, Rene Alexander | 54369 |
Poohphajai, Faksawat | 53227 |
Sandak, Anna Malgorzata | 50366 |
Gordobil, Oihana | 54956 |
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