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|metadata.artigo.dc.title:||Alternative compositions of oriented strand boards (OSB) made with commercial woods produced in Brazil|
Corrêa, Andrea Aparecida Ribeiro
Sá, Vânia Aparecida de
Mendes, Lourival Marin
Almeida, Natália Amarante
Pizzol, Vinnicius Dordenoni
|metadata.artigo.dc.publisher:||Departamento de Ingeniería en Maderas de la Universidad del Bio-Bio|
|metadata.artigo.dc.identifier.citation:||BUFALINO, L. et al. Alternative compositions of oriented strand boards (OSB) made with commercial woods produced in Brazil. Maderas: Ciencia y tecnologia, Concepcion, v. 17, n. 1, p. 105-116. 2015.|
|metadata.artigo.dc.description.abstract:||This work aimed to investigate the feasibility of using and mixing Toona ciliata, Eucalyptus urophylla/grandis and Pinus oocarpa woods in OSB production. Three one- species and four mixed-species combinations were compared. Layer structure varied by positioning different wood species in the surface and core of the panels. Phenol- formaldehyde (PF) adhesive was applied at 9% for all OSB panels. Three-layer mats with mass proportion of 25/50/25% for surface/core/surface were produced. Pressing time was 8 min, under a 4 MPa pressure and temperature of 180°C. Physical and mechanical properties were evaluated and compared to EN (300) commercialization standard. Most OSB panels did not fully attain such requirements. OSB panels made with Eucalyptus urophylla/grandis and Pinus oocarpa woods have potential to be commercialized as OSB/1 and OSB/2 types, respectively. Among panels made with T. ciliata wood, those produced with this species in the surface and Eucalyptus urophylla/grandis wood in the core met the requirements established for OSB/1 commercialization. Eucalyptus wood has great potential to substitute Pinus wood in OSB production. The utilization of T. ciliata wood for OSB production decreased mechanical performance, but remarkably enhanced water resistance properties.|
|Appears in Collections:||DEG - Artigos publicados em periódicos|
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