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Holzforschung

International Journal of the Biology, Chemistry, Physics, and Technology of Wood

Editor-in-Chief: Faix, Oskar

Editorial Board Member: Daniel, Geoffrey / Militz, Holger / Rosenau, Thomas / Salmen, Lennart / Sixta, Herbert / Vuorinen, Tapani / Argyropoulos, Dimitris S. / Balakshin, Yu / Barnett, J. R. / Burgert, Ingo / Rio, Jose C. / Evans, Robert / Evtuguin, Dmitry V. / Frazier, Charles E. / Fukushima, Kazuhiko / Gindl-Altmutter, Wolfgang / Glasser, W. G. / Holmbom, Bjarne / Isogai, Akira / Kadla, John F. / Koch, Gerald / Lachenal, Dominique / Laine, Christiane / Mansfield, Shawn D. / Morrell, J.J. / Niemz, Peter / Potthast, Antje / Ragauskas, Arthur J. / Ralph, John / Rice, Robert W. / Salin, Jarl-Gunnar / Schmitt, Uwe / Schultz, Tor P. / Sipilä, Jussi / Takano, Toshiyuki / Tamminen, Tarja / Theliander, Hans / Welling, Johannes / Willför, Stefan / Yoshihara, Hiroshi

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IMPACT FACTOR 2016: 1.868
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1437-434X
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Volume 63, Issue 5 (Sep 2009)

Issues

A preliminary study of green production of fiberboard bonded with tannin and laccase in a wet process

Petri Widsten
  • Kompetenzzentrum Holz GmbH (Wood Kplus), WOOD Carinthian Competence Center (W3C), St. Veit an der Glan, Austria
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Alfred Hummer
  • Kompetenzzentrum Holz GmbH (Wood Kplus), WOOD Carinthian Competence Center (W3C), St. Veit an der Glan, Austria
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Carol Heathcote
  • Kompetenzzentrum Holz GmbH (Wood Kplus), WOOD Carinthian Competence Center (W3C), St. Veit an der Glan, Austria
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Andreas Kandelbauer
  • Kompetenzzentrum Holz GmbH (Wood Kplus), WOOD Carinthian Competence Center (W3C), St. Veit an der Glan, Austria
  • Department of Wood Science and Technology, University of Natural Resources and Applied Life Sciences, Vienna, Austria
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2009-06-03 | DOI: https://doi.org/10.1515/HF.2009.090

Abstract

A gluing method for fiberboard based on laccase-activated tannin and wood fibers was investigated on a laboratory scale. Oxygen consumption measurements showed that hydrolyzable tannins (tannic acid and chestnut tannin) were more reactive toward laccase than condensed tannins from mimosa and quebracho. Wet-process hardboard prepared with laccase and the most reactive tannin, tannic acid, had superior mechanical strength compared to controls and boards made with laccase alone or laccase and other tannins. The other tannins did not improve mechanical properties more than laccase treatment alone. The addition of wax to the tannic acid-laccase formulation improved the dimensional stability of the boards enough for them to comply with industrial standards, although wax had a negative impact on the mechanical properties. The results cannot be directly applied to dry-process medium-density fiberboard (MDF) production; however, the positive effects of tannin and laccase on hardboard properties also warrant investigations on the green chemistry of MDF production.

Keywords: bonding; enzymatic; fiberboard; hardboard; laccase; tannic acid; tannin

About the article

Corresponding author. Kompetenzzentrum Holz GmbH (Wood Kplus), WOOD Carinthian Competence Center (W3C), Klagenfurterstrasse 87-89, A-9300, St. Veit an der Glan, Austria


Received: 2009-02-23

Accepted: 2009-03-24

Published Online: 2009-06-03

Published Online: 2009-06-03

Published in Print: 2009-09-01


Citation Information: Holzforschung, ISSN (Online) 1437-434X, ISSN (Print) 0018-3830, DOI: https://doi.org/10.1515/HF.2009.090.

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