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Evaluation of Com-Ply from Domestic Logs and Urea-Formaldehyde Resin Adhesive  

Oh, Yong-Sung (Department of Forest Resources, Yeungnam University)
Kim, Jong-In (Department of Forest Products, Korea Forest Research Institute)
Publication Information
Journal of Korean Society of Forest Science / v.96, no.1, 2007 , pp. 54-57 More about this Journal
Abstract
Urea-formaldehyde (UF) resin was formulated similarly to plywood resin in the laboratory. The synthesized UF resin adhesive was mixed with extender, filler and acid catalyst. The mixture contained 56.1% total solids and 43.9% water. The mixes was used to bond five Com-Ply types using Korean wood species. The Com-Ply made were tested for shear strength and wood failure according to KS F 3101 ordinary plywood as well as for bending strength per KS F 3104 particleboard. The performance test results showed good strength properties for all Com-Ply types made in this study. This result represented that the UF resin adhesive mix was adequate for bonding Com-Ply with domestic wood species.
Keywords
acid catalyst; Com-Ply; domestic logs; extender; filler; urea-formaldehyde resin;
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