High performance tannin resin-boron wood preservatives for outdoor end-uses

Thévenon Marie-France, Tondi Gianluca, Pizzi Antonio. 2009. High performance tannin resin-boron wood preservatives for outdoor end-uses. Holz als Roh- und Werkstoff, 67 (1) : pp. 89-93.

Journal article ; Article de revue à facteur d'impact
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Titre allemand : Hochwirksame Holzschutzmittel auf Tanninharz-Bor-Basis für Anwendungen im Außenbereich

Abstract : Fixation of boric acid as a low toxicity wood preservative to decrease markedly its leachability was undertaken. Preservative systems based on the cross-linking and hardening of condensed tannins by hexamine, where boric acid is complexed onto the network, were found to markedly slow down the leaching of boron. They significantly enhanced wood durability before and after leaching once tested towards basidiomycetes according to the guidelines of EN 113. A particularly virulent fungal species was used for the tests. Further immersion of the wood so treated in hot unsaturated vegetable oil does yield comparable results. (Résumé d'auteur)

Mots-clés Agrovoc : Tannin, Bois, Acide borique, Fagus sylvatica, Produit de préservation du bois, Composé hétérocyclique

Mots-clés complémentaires : Hexamine

Classification Agris : K50 - Processing of forest products
J12 - Handling, transport, storage and protection of forest products

Champ stratégique Cirad : Hors axes (2005-2013)

Auteurs et affiliations

  • Thévenon Marie-France, CIRAD-PERSYST-UPR Bois tropicaux (FRA)
  • Tondi Gianluca, ENSTIB (FRA)
  • Pizzi Antonio, ENSTIB (FRA)

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Source : Cirad - Agritrop (

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