Abstract
Relative percentage of moisture content of surface and core layers in pine tannin-bonded particleboard influences markedly the internal bond (IB) strength of the board. This is due to the differential compression exercised on the layers related to their moisture content. The moisture content differential between surface and core layers in particleboard during pressing is a determining parameter for the internal bond (IB) strength of particleboard. In the case of tannin adhesives where these differences can be more pronounced than for synthetic adhesive the effect is more easily observable.
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References
EN 312 (1995) Wood particleboard—specifications
Pichelin F, Pizzi A, Frühwald A, Triboulot P (2001) Exterior OSB preparation technology at high moisture content, part 1: transfer mechanisms and pressing parameters. Holz Roh- Werkst 59(4):256–265
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This article is dedicated to Gerd Wegener on the occasion of his retirement as professor at the Technische Universität München.
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Sedano-Mendoza, M., Navarrete, P. & Pizzi, A. Effect of layers relative moisture content on the IB strength of pine tannin bonded particleboard. Eur. J. Wood Prod. 68, 355–357 (2010). https://doi.org/10.1007/s00107-010-0452-8
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DOI: https://doi.org/10.1007/s00107-010-0452-8