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Effects of thermal modification on the adhesion between spruce wood (Picea abies Karst.) and a thermoplastic polymer

Auswirkungen einer thermischen Modifikation auf die Adhäsion zwischen Fichtenholz (Picea abies Karst.) und einem Thermoplasten

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Abstract

In order to study the effect of thermal treatment on the adhesion between wood and a nonpolar thermoplastic polymer, spruce wood boards (Picea abies Karst.) were heat-treated and bonded with polyethylene. As a result the contact angle of an applied water droplet increased significantly. A strong improvement of the adhesion between the modified wood surface and polyethylene was found by mechanical tests on unmodified and thermally modified samples.

Zusammenfassung

Um die Auswirkungen einer thermischen Behandlung auf die Adhäsion zwischen Holz und einem Thermoplasten zu untersuchen, wurden Fichtenproben (Picea abies Karst.) thermisch modifiziert und mit einer Polyethylenfolie verklebt. Als Folge der Wärmebehandlung wurde ein Anstieg des Kontaktwinkels eines aufgebrachten Wassertropfens beobachtet. In mechanischen Tests vor und nach der thermischen Behandlung wurde eine stark verbesserte Adhäsion zwischen der modifizierten Holzoberfläche und Polyethylen festgestellt.

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Authors and Affiliations

  1. Wood Kplus – Competence Center for Wood Composites and Wood Chemistry, Linz Austria, Peter Jordan Strasse 82, 1190, Vienna, Austria

    J. Follrich & U. Müller

  2. Department of Material Sciences and Process Engineering, Institute of Wood Science and Technology, BOKU – University of Natural Resources and Applied Life Sciences, Vienna, Austria

    W. Gindl

Authors
  1. J. Follrich
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  2. U. Müller
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  3. W. Gindl
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Correspondence to J. Follrich.

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Follrich, J., Müller, U. & Gindl, W. Effects of thermal modification on the adhesion between spruce wood (Picea abies Karst.) and a thermoplastic polymer. Holz Roh Werkst 64, 373–376 (2006). https://doi.org/10.1007/s00107-006-0107-y

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  • DOI: https://doi.org/10.1007/s00107-006-0107-y

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