Evaluation of layering technique effect with poplar and resin content in surface layer and press time on physical and mechanical properties of particleboard
Author(s):
Abstract:
In this study, layering technique effect of particleboard with poplar particles on physical and mechanical properties was evaluated. To attain this purpose, surface layer particles type (poplar and industrial), resin content (8 and 10 percent) and press time (4 and 5 minutes) were selected as variable factors. The properties that were investigated consisted of Modulus of rapture, Modulus of elasticity, Shear strength and Thickness swelling in 24 hours. Results showed that using poplar particles in surface of panels significantly increased physical and mechanical properties of boards. The press time had the most particular effect on shear strength. With increasing press time, this strength was increased. In other hand, resin amount increasing in surface layer from 8 to 10 percent improved all of the properties. Finally, to obtain high physical and mechanical properties and efficiency, application of poplar particles in surface layers, using of 8% resin content and 4 minutes for press time was found as the best condition.
Keywords:
Language:
Persian
Published:
Wood & Forest Science and Technology, Volume:19 Issue: 1, 2012
Page:
135
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