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Manufacture of Wood Veneer-Bamboo Zephyr Composite Board: II. Effect of Manufacturing Conditions on Properties of Composite Board  

Roh, Jeang Kwan (Department of Interior Materials Engineering, Jinju National University)
Publication Information
Journal of the Korean Wood Science and Technology / v.35, no.6, 2007 , pp. 108-117 More about this Journal
Abstract
This research was performed to investigate the feasibility of bamboo as a raw material for the manufacture of plywood. Wood veneer-bamboo zephyr composite boards (WBCB) were manufactured using keruing (Dipterocarpus sp.) veneers and hachiku bamboo (Phyllostacbys nigra var. henonis Stapf) using various adhesives, and the effect of the method and amount of resin spread on the mechanical properties of the composites were investigated. The WBCB manufactured using polymeric isocyanate (PMDI) showed the best mechanical properties, followed by phenol-formaldehyde resin (PF), phenol-melamine-formaldehyde resin, urea-melamine-formaldehyde resin, and urea-formaldehyde resin. However, considering the operation feasibility as well as mechanical properties, PF resin proved to be the appropriate adhesive for the practical purpose. As the amount of resin spread increased, the mechanical properties of 5-ply WBCB with 12 mm thicknesses manufactured using PF resin tended to increase, and more failure occurred at the interface between veneer and bamboo zephyr than at the interface among bamboo zephyrs. This result suggests that penetration of resin into bamboo zephyr could be the important factor. In this research, the appropriate amount of resin amount was $320g/m^2$. 5-ply WBCBs were manufactured using various methods of resin spread but the effect of the methods on the mechanical properties showed no little difference, which meant that the method of resin spread could be chosen considering the manufacturing conditions and operation feasibility.
Keywords
wood veneer; bamboo zephyr; composite board; Hachiku bamboo; manufacturing conditions; mechanical properties;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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