| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5014783 | International Journal of Adhesion and Adhesives | 2017 | 12 Pages |
Abstract
Thermally modified and unmodified beech veneers in untreated and plasma-treated state were immersed in melamine solution at different concentrations. The plasma pre-treated veneers exhibited significantly higher melamine loads than the untreated veneers at equal impregnation duration. Subsequently the veneers were manufactured into 5-layer plywood boards; the plywood samples then underwent an extreme testing procedure based on DIN-EN 314-1/2 in order to proof the bonding quality by means of shear strength. The plywood boards made of plasma pre-treated veneers exhibited up to 2.7-fold improvement in shear strength compared to plywood made of untreated veneers. Results differed markedly based on material (unmodified/thermally modified veneer) and concentration of melamine solution.
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Authors
R. Wascher, G. Avramidis, C. Kühn, H. Militz, W. Viöl,