In the aim of agricultural byproduct valorization and wood resource preservation, composites particleboards have been elaborated from two agricultural residues: flax shives and sunflower bark. The particleboards have been processed by two different ways: with addition of classical synthetic glue (urea-formaldehyde) or without any extern binder. The boards show variable mechanical responses to the process (with or without glue) depending on their flax shives or sunflower bark proportions. The process and the binder used must be adapted to the type of agroresource used to perform these particleboards. All the studied composite materials show good thermal insulation properties. A 100 % biobased particleboard with good cohesion has been obtained from flax shives.
renewable agroresource valorisation, flax shives, thermopressed composites boards, sunflower bark, thermal and mechanical properties, water resistance.
Nous tenons à remercier l’ADEME pour le financement du projet BIP PANOVEGE, ainsi que l’industriel De Sutter Frères, porteur du projet.
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