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dc.creatorCarvalho, Amélia Guimarães-
dc.creatorMori, Fábio Akira-
dc.creatorMendes, Rafael Farinassi-
dc.creatorZanuncio, Antônio José Vinha-
dc.creatorSilva, Marcela Gomes da-
dc.creatorMendes, Lourival Marin-
dc.creatorMori, Cláudia Lopes Selvati de Oliveira-
dc.identifier.citationCARVALHO, A. G. et al. Use of tannin adhesive from Stryphnodendron adstringens (Mart.) Coville in the production of OSB panels. European Journal of Wood and Wood Products, Berlin, v. 72, n. 4, p. 425-432, July 2014.pt_BR
dc.description.abstractStryphnodendron adstringens (Mart.) Coville is a species from the Cerrado (Brazilian tropical savanna) popularly known as barbatimão. Its main use of economic value lies in the extraction of the tannins found in its bark and leaves. The purpose of this study was to assess the technical viability of using a tannin-based adhesive coming from the bark of Stryphnodendron adstringens (Mart.) Coville for the production of Oriented Strand Board (OSB) panels. Tannin-based adhesives were produced from tannins extracted from the bark of barbatimão, and these adhesives were used in proportions of 0, 25, 50, 75 and 100 % with commercial urea–formaldehyde adhesive. The properties of the pure adhesives and the mixtures were determined. Subsequently, OSB panels were produced with urea–formaldehyde adhesives, tannin–formaldehyde adhesives and their mixtures. The panels were produced with wood from Pinus oocarpa, with 8 % adhesive, a press cycle of 40 kgf cm−2, and temperature of 160 °C for a period of 8 min. Only the OSB panels produced with 100 % urea–formaldehyde adhesive, 100 % barbatimão tannin adhesive and 25 % barbatimão adhesive combined with 75 % urea–formaldehyde fulfilled all the pre-requisites stipulated in the standard EN 300 (2006) for type 1 panels, thus proving to be technically viable for application in OSB panels.pt_BR
dc.sourceEuropean Journal of Wood and Wood Productspt_BR
dc.subjectTannin adhesivept_BR
dc.subjectOriented strand board panelspt_BR
dc.subjectPainéis de tiras de madeira orientadaspt_BR
dc.subjectAdesivo de taninopt_BR
dc.titleUse of tannin adhesive from Stryphnodendron adstringens (Mart.) Coville in the production of OSB panelspt_BR
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