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Wheat-Gluten-Based Adhesives for Particle Boards: Effect of Crosslinking Agents†
Article first published online: 9 JUL 2013
© 2014 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Macromolecular Materials and Engineering
Volume 299, Issue 1, pages 116–124, January 2014
How to Cite
Khosravi, S., Khabbaz, F., Nordqvist, P. and Johansson, M. (2014), Wheat-Gluten-Based Adhesives for Particle Boards: Effect of Crosslinking Agents. Macromol. Mater. Eng., 299: 116–124. doi: 10.1002/mame.201300045
- Issue published online: 8 JAN 2014
- Article first published online: 9 JUL 2013
- Manuscript Received: 5 FEB 2013
- Ecobuild Institute Excellence Center and Casco Adhesives
- particle boards;
- plant proteins;
- wheat gluten
WG proteins show potential as environmentally friendly replacements for amino/formaldehyde resins in particle boards. The performance of WG dispersions in combination with crosslinkers as adhesives for particle boards is studied. The WG dispersions are prepared with sodium hydroxide or citric acid as the dispersing agent. Polyamidoamine-epichlorohydrin (PAAE) and trimethylolpropane triacetoacetate (AATMP) are employed as crosslinkers. The performance of the WG dispersions and the crosslinkers are evaluated based on board properties, i.e., internal bond, thickness swelling, and water absorption. The results show an enhanced performance of WG using PAAE as crosslinker. The results reveal it is advantageous to disperse WG in sodium hydroxide compared to citric acid.