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Journal of Adhesion Science and Technology, Vol.25, No.14, 1619-1628, 2011
A Study on the Bonding Technology in Sliced Bamboo Veneer Manufacturing
This paper deals with the gluing of small sized bamboo strips into laminated bamboo timbers, and is aimed at utilizing bamboo resources to produce sliced bamboo veneer to replace the current more expensive sliced wood veneer. These laminated bamboo planks glued with MUF (melamine-urea-formaldehyde) resin retained their adhesion even after treatment in water at 60. C for 3 h under a pressure of 0.4 MPa. The bamboo laminated timbers produced from gluing laminated bamboo planks (the ratio of the matrix to the curing agent was 100: 25 by weight) can satisfy the requirement of adhesion sustainability after treatment in water at 50 degrees C for 8 h. The results showed that mixture of UF (urea-formaldehyde) resin and PVA (polyvinyl acetate) adhesive with a weight ratio of 1: 1 can be used to overlay non-woven cloth on the back of sliced bamboo veneer. The surface bonding strength of MDF (medium-density fibreboard) overlaid by sliced bamboo veneer, backed with non-woven cloth, satisfies the requirement of the Chinese standard GB/T15104. (C) Koninklijke Brill NV, Leiden, 2011
Keywords:Bonding;bamboo strip;bamboo laminated block;bamboo laminated timber;sliced bamboo veneer;hot water treatment