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Updated: Oct 1, 2025

Fabrication and Design of Wood-Based High-Performance Composites
Published on: November 9, 2019
Moisture- and mould-proof characteristics of surface modified wood for musical instrument soundboards
Caiping Xu1, Zhenbo Liu2, Xingyun Li3
1Department of Music, College of Art, Xiamen University, Xiamen 361005, People's Republic of China.
Abstract:
Wood is the main material used for musical instrument soundboard fabrication, for practical and cultural reasons. As a natural material, however, wood is easily degraded due to moisture or fungal corrosion. Most traditional wood protection methods were devised for structural materials, and may thus not be suitable for application in musical instrument soundboard materials. In the current study, a novel nanomaterial-based modification method was applied to wood. The surface of wood was coated with polyurethane and MgAl-layered double hydroxide nanosheets after a convenient impregnation process. The modified wood exhibited improved hydrophobicity and mould-resistance, while maintaining its acoustic properties. This modified wood may facilitate the construction of soundboards with longer lifespans.
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