Abstract
Anti-swelling properties of southern pine wood treated with polyvinyl alcohol (PVA) or melamine or urethane were evaluated by measuring the tangential swelling and water uptake using AWPA standards methods. The water-repellency efficiency (WRE) of melamine and PVA treated wafers exhibited values 80% superior to untreated wafers. This study confirms that waterborne solution containing 3% of melamine or 3% of PVA can be used to reduce the swelling of southern pine.
Zusammenfassung
Untersucht wurden die Quellresistenzeigenschaften von Southern Pine Holz, das mit Polyvinylalkohol (PVA) oder Melamin oder Urethan behandelt worden war. Dazu wurden die tangentiale Quellung sowie die Wasseraufnahme gemäß der AWPA Methoden bestimmt. Das Wasserabstoßungsvermögen (WRE) von mit Melamin und mit PVA behandelten Proben war um 80% besser als bei unbehandelten Proben. Diese Studie bestätigt, dass eine auf Wasser basierte Lösung mit 3% Melamin oder 3% PVA zur Reduzierung der Quellung von Southern Pine Holz verwendet werden kann.
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Shukla, S.R., Kamdem, D.P. Swelling of polyvinyl alcohol, melamine and urethane treated southern pine wood . Eur. J. Wood Prod. 68, 161–165 (2010). https://doi.org/10.1007/s00107-009-0361-x
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DOI: https://doi.org/10.1007/s00107-009-0361-x