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Simultaneous Improvement of Surface Wettability and UV Resistance of Wood with Lignin-Based Treatments by Rene Herrera; Faksawat Poohphajai; Anna Sandak; Oihana Gordobil is a Materials Science article available to read on EtoBox.

What is Simultaneous Improvement of Surface Wettability and UV Resistance of Wood with Lignin-Based Treatments about?

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 promis

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Author

Rene Herrera; Faksawat Poohphajai; Anna Sandak; Oihana Gordobil

Publisher

MDPI AG

Published

2023

Language

EN

Field

Materials Science (Physical Sciences)