Technological Feasibility of Hovenia dulcis thunb. Species for the Production of Edge Glued Panels
2018
Raquel Marchesan | Pedro Lício Loiola | Tânia Vieira de Mello | Márcio Pereira da Rocha | José Reinaldo Moreira da Silva
ABSTRACT This study aims to evaluate the use of Hovenia dulcis wood to produce Edge Glued Panels – EGP. To this end, joints with dimensions of 5.0 × 31.0 × 2.5 cm (Width × Length × Thickness) were put together using polyvinyl acetate (PVAc) and emulsion polymer isocyanate (EPI) adhesives at a spread rate of 200 g.m-2 and the chemical characterization of the wood was performed. The strength of glued joints was evaluated through shear tests based on the procedures described by established standards. The results showed that the EPI adhesive achieved the best results in edge gluing to produce EGP. The use of PVAc adhesive did not show satisfactory results for edge gluing under these conditions. Hovenia dulcis wood is indicated for producing higher value-added wood products - (VAWP) for external use purposes.
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