Abstract
The increasing obligation to manage and to recycle industrial and municipal solid waste leads to the developing of new recycled products. In this paper, the possibility to make boards from wood residues and plastic waste (weight-to-weight ratio: 3∶1), has been studied. They are obtained by simply heating and compressing. The mechanical tests show that the resistance to static bending are close to those of commercial particleboards. The dimensional stability of recycled wood-plastic composites appears to be particularly encouraging compared to traditional boards. Furthermore, the thermoplastic nature of the waste materials used allows the recycling of the resultant waste, or of the products once at the end of their useful life: tests of runs of successive recycling without any additional supply show a slight decrease in the mechanical properties of the boards obtained, when compared to the original boards.
Zusammenfassung
Die steigende Verpflichtung, industrielle und kommunale Abfälle wiederzuverwerten führt zur Entwicklung neuer Produkte. In dieser Studie wird die Möglichkeit untersucht, Platten aus Holz- und Kunststoffresten im Verhältnis 3:1 herzustellen. Die Platten wurden einfach durch Erhitzen und Verpressen hergestellt. Ihre statische Biegefestigkeit lag nahe der von kommerziellen Spanplatten. Die Dimensionsstabilität erscheint vielversprechend im Vergleich mit traditionellen Platten. Darüberhinaus erlaubt das thermoplastische Verhalten der Abfälle sowohl eine Wiederverwendung der Reste bei der Herstellung als auch der produzierten Platten nach ihrem Gebrauch. Nach mehrmaliger Wiederwertung solcher Platten ohne sonstige Zusätze ergab sich eine nur geringfügige Abnahme der mechanischen Eigenschaften.
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Boeglin, N., Triboulot, P. & Masson, D. A feasibility study on boards from wood and plastic waste: bending properties, dimensional stability and recycling of the board. Holz als Roh- und Werkstoff 55, 13–16 (1997). https://doi.org/10.1007/s001070050217
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DOI: https://doi.org/10.1007/s001070050217