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PIBOLEO project: Eco innovative process for multi-functional bi-oleothermal treatment for wood preservation and fire proofing

Simon F., Podgorski L., Lanvin J.D., Thévenon M.F., Baillères H., Warren S.. 2008. In : FCBA, Ghent University, VTI. COST Action E37 Final Conference: Socio-economic perspectives of treated wood for the common European market, 29-30 septembre, Bordeaux, France. Ghent : Ghent University, p. 13-20. Cost Action E37 Final Conference: Socio-economic perspectives of treated wood for the common European market, 2008-09-29/2008-09-30, Bordeaux (France).

This paper presents the latest research project supported by the French research agency ANR regarding the bi-oleothermal treatment of wood at atmospheric pressure. Wood treatment by the "bi-oleothermal" process (combination of oil and heat treatment) is a well mastered alternative method for wood protection. The interest of this multi-functionnal process is to allow wood drying as well as wood treatment in a single step process. Nevertheless, there is still a need to work on the formulations of the oils used in order to adapt the performance of the treated wooden material (durability towards wood destroying organisms, fireproofing, etc...) to its enduse. Moreover, due to its alternative process, the up-grading and use of local timbers in new end-uses become possible and remain also one of the main objectives of this project. A large and precise environmental analysis (including life cycle assessment) will be also carried out during this project, for all stages of the process: from the oil formulations to the end of the life time of treated timbers. The main steps of this project can be mentionned as follow: - process optimization by eco additives selection and linseed oils fonctionnalization; - multi scale process optimization, from lab to industrial plant; - grafting lab analysis on wood fibers; - environmental and societal analysis from the process to the treated timbers.

Mots-clés : préservation du bois; traitement thermique; bois; huile végétale

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