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Communication Dans Un Congrès Année : 2022

Reduction of wood thermal conductivity by delignification

Résumé

Wood, commonly used in construction, stores carbon dioxide absorbed during its life cycle as carbon in the material. This study aims to use French wood species as a bio-sourced thermal insulation material with a preserved natural hierarchical structure. Chemical delignification methods create nanopores, increasing wood's porosity and further reducing its thermal conductivity. Despite challenges such as drying shrinkage, effective delignification can yield wood with superior insulating properties. Poplar, with its fast growth rate and low density, is particularly promising for large-scale sustainable thermal insulation applications after delignification.
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hal-03924753 , version 1 (08-07-2024)

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  • HAL Id : hal-03924753 , version 1

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Yi Hien Chin, Pascal Henry Biwole, Rostand Moutou Pitti, Joseph Gril, Christophe Vial, et al.. Reduction of wood thermal conductivity by delignification. 11èmes Journées Scientifiques du GDR 3544 "Sciences du bois", GDR 3544 "Sciences du bois", Nov 2022, Nice, France. ⟨hal-03924753⟩
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