Use este identificador para citar ou linkar para este item: http://repositorio.ufla.br/jspui/handle/1/28878
Título : Use of tannin adhesive from Stryphnodendron adstringens (Mart.) Coville in the production of OSB panels
Autor: Carvalho, Amélia Guimarães
Mori, Fábio Akira
Mendes, Rafael Farinassi
Zanuncio, Antônio José Vinha
Silva, Marcela Gomes da
Mendes, Lourival Marin
Mori, Cláudia Lopes Selvati de Oliveira
Palavras-chave: Tannin adhesive
Oriented strand board panels
Painéis de tiras de madeira orientadas
Adesivo de tanino
Publicador: Springer
Data da publicação: Jul-2014
Referência: CARVALHO, 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.
Abstract: Stryphnodendron 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.
URI: https://link.springer.com/article/10.1007%2Fs00107-014-0797-5
http://repositorio.ufla.br/jspui/handle/1/28878
Idioma: en_US
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