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Durability of Heat Treated Massive Poplar Plywood

Communication avec acte
Author
MARCON, Bertand
127742 Laboratoire Bourguignon des Matériaux et Procédés [LABOMAP]
CANDELIER, Kevin
418702 BioWooEB [UPR BioWooEB]
11574 Centre de Coopération Internationale en Recherche Agronomique pour le Développement [Cirad]
VIGUIER, Joffrey
127742 Laboratoire Bourguignon des Matériaux et Procédés [LABOMAP]
PIGNOLET, Luc
11574 Centre de Coopération Internationale en Recherche Agronomique pour le Développement [Cirad]
418702 BioWooEB [UPR BioWooEB]
GARTILI, Adélaïde
11574 Centre de Coopération Internationale en Recherche Agronomique pour le Développement [Cirad]
418702 BioWooEB [UPR BioWooEB]
THÉVENON, Marie-France
11574 Centre de Coopération Internationale en Recherche Agronomique pour le Développement [Cirad]
418702 BioWooEB [UPR BioWooEB]
COLLET, Robert
127742 Laboratoire Bourguignon des Matériaux et Procédés [LABOMAP]
DENAUD, Louis
127742 Laboratoire Bourguignon des Matériaux et Procédés [LABOMAP]

URI
http://hdl.handle.net/10985/21880
Date
2022-04-25

Abstract

Plywood made of poplar are limited to indoor usages since poplar exhibits a rather low natural durability. Recently, wood heat treatments are applied to improve properties such as decay susceptibility and dimensional stability. Hence, to extend the potential of applications of this engineered wood product to outdoor end uses, and new markets accordingly, this study examines the potential of exposing poplar plywood to heat treatment. Plywood panels were glued with two kind of adhesives to compare their respective ability to resist the heat treatment. Those different plywoods were heat treated in saturated steam conditions at 215 °C for 2 hours following the ThermoWood® process up to a 14% mass loss. The durability improvement brought by the heat treatment was assessed in order to evaluate any possible outdoor uses for such plywoods.

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