Academic literature on the topic 'Panneau dérivé bois'
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Journal articles on the topic "Panneau dérivé bois"
El Haouzali, Hafida, Rémy Marchal, and Fatima Sahban Kifani. "Les performances mécaniques des panneaux LVL : Revue bibliographique des principaux facteurs d’influence." Matériaux & Techniques 108, no. 1 (2020): 102. http://dx.doi.org/10.1051/mattech/2020012.
Full textLemelin, André. "Le déclin du port de Québec et la reconversion économique à la fin du XIXe siècle. Une évaluation de la pertinence de l'hypothèse du staple." Articles 22, no. 2 (2005): 155–86. http://dx.doi.org/10.7202/055928ar.
Full textDissertations / Theses on the topic "Panneau dérivé bois"
Pattis, Reto. "Utilisation des polyuréthanes recyclés comme substitut des colles PMDI dans la production des panneaux dérivés bois." Thesis, Nancy 1, 2010. http://www.theses.fr/2010NAN10030/document.
Full textThe polyurethane powder based on recycled material or polyurethane slab stocks shows bonding properties under certain circumstances. This is interesting from the ecological point of view, because the product life cycle of the polyurethane is prolonged. In addition to that the powder can be used as substitute for standard adhesives which are produced on 100% non renewable recourses. The goal of this project was the improvement of the application of polyurethane powder, as substitute of pMDI-adhesives, which are used in the production of OSB boards. One mayor aspect of the study was the understanding of the reactivation of the polyurethane powder and to find out the conditions for an optimized use of the powder. The results of the research demonstrated that at the degradation temperature of about 165°C the urethane bond is decomposed in to isocyanates and polyols, which is already well known in polyurethane chemistry. The reverse reaction to polyurethanes could be proved by several methods. This was than in lab scale and also under industrial conditions. The main objective of the present study was to lower the activation temperature of the polyurethane powder as pMDI adhesive substitute in the core and the surface layer of wood based panels. In the start-up phase the polyurethane powder was used an analysed without any additives. Later on a selection of different typical polyurethane catalysts were used. To quantify the efficiency of different catalysts a special machine was constructed. This new developed machine provided us with the results to select the most performing catalyst. In addition this machine was used as an easy and efficient quality control tool of Mobius Technologies. The results were used to apply the polyurethane powder on industrial production units of Kronoply (Germany), Kronofrance (France) and unstated OSB-producer in overseas. It was possible to lower the activation temperature by the use of a catalyst to about 147°C. The ambitious intent to reach a temperature of 120°C was not achieved
Wieland, Stefanie. "Utilisation d’adhésifs respectueux de l'environnement pour la fabrication de panneaux dérivés du bois à faible émission de formaldéhyde : caractérisation des paramètres de pressage : évaluation des propriétés des panneaux." Thesis, Nancy 1, 2007. http://www.theses.fr/2007NAN10103/document.
Full textThe standards concerning the formaldehyde emissions2 from wood based panels have become more restrictive; alternatives meeting the requirements of the standards are needed. Therefore, solutions for the industrial use of three types of adhesives were studied which are; tannin adhesives by silica-induced autocondensation, Urea-formaldehyde (UF) / polymeric phenyl isocyanate (pMDI) hybrid adhesives and formulations based on dimethoxyethanal (DME). The study related to the tannins showed that an industrial production of large particle particle boards pressed with steam injection is possible. The analyses made it possible to evaluate the tannin autocondensation reactions of the formulations and to optimize them for steam injection pressing. Most of the studied formulations satisfied the qualitative requirements of the standard for both internal bond strength and formaldehyde emission2. Besides, the potential use for exterior grade of these panels remains problematic. The experimentations on the UF/pMDI adhesives increased the knowledge in the field of the adhesives-panel properties interactions for medium density fiberboard (MDF). Important results were obtained by the study of the resin distribution by confocal laser scanning microscopy (CLSM). Best results concerning the improvement of the panel properties were obtained for adhesive mixtures with low molar ratio UF and emulsifiable pMDI, satisfying the requirements of the standard, grade F **. However, grade F **** could only be reached by using 100 % of MDI. During the study related to the formulations of DME derived resins, new adhesive formulations were developed. The most promising formulation was selected and validated on industrial scale. It has shown to be able to satisfy the qualitative requirements of the standards with low formaldehyde emission2
Books on the topic "Panneau dérivé bois"
Corp, Forintek Canada, and Canada Industrie Canada, eds. Panneaux dérivés du bois: Rapport spécial. Forintek Canada Corp., 1998.
Book chapters on the topic "Panneau dérivé bois"
"Panneaux dérivés du bois." In La Revue annuelle du marché des produits forestiers 2018-2019. United Nations, 2021. http://dx.doi.org/10.18356/9789210045155c011.
Full text"Panneaux dérivés du bois." In Revue annuelle du marché des produits forestiers 2019-2020. United Nations, 2021. http://dx.doi.org/10.18356/9789210052900c010.
Full text"Les panneaux dérivés du bois." In Revue annuelle du marché des produits forestiers 2017-2018. UN, 2019. http://dx.doi.org/10.18356/501eb236-fr.
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