- Original Article
- Published:
Effects of silane coupling agent level and extraction treatment on the properties of UF-bonded reed and wheat straw particleboards
Journal of Wood Science volume 47, pages 18–23 (2001)
Abstract
Urea formaldehyde resin bonded reed and wheat particleboards with a density of 0.7g/cm3 were manufactured from two types of particle: fine and coarse particles. The effects of the silane coupling agent (SCA) level and ethanol-benzene (EB) treatment on the board properties were examined. For SCA, epoxide silane (SiEP) and amino silane (SiNH) were used for reed and wheat particles, respectively. The results are summarized as follows. (1) For both reed and wheat boards, the internal bond (IB) strength and thickness swelling (TS) were significantly improved at up to 5% SCA content, but the effectiveness of treatment kept constant at above 5%. (2) The level of SCA had little effect on the bending strength, especially for the boards composed of coarse particles. (3) EB treatment upgraded both the IB and TS of wheat board significantly. (4) SiEP incorporation improved the IB and TS of reed board significantly, whereas EB treatment was more effective for wheat board. (5) The dimensional stability of both reed and wheat boards under varying humidity could be improved by increasing the level of SCA and by EB treatment. EB treatment was more effective than SCA addition.
References
Russell B (1990) Straw particleboard. In: Proceedings 24th international particleboard/composite material symposium, April 3–5, Washington State University, Pullman, WA, USA, p 264
Leao AL, and Ribeiro TA (1997) Particleboards made from agricultural residues and post consumer carton packages. In: IUFRO world conference on forest products for sustainable forestry. July 7–12, Washington State University, Pullman, WA, USA, p 181
Loxton C, Hague J (1996) Utilization of agricultural crop materials in panel products. In: Proceedings no. 7286: the use of recycled wood and paper in building applications. Forest Prod Society, Madison, WI, pp 190–192
Dalen H, Shorma T (1996) The manufacture of particleboard from wheat straw. In: Proceedings of the 30th international particleboard/ composite material symposium, April 16–18, Washington State University, Pullman, WA, USA, pp 191–196
Zucaro J, Reen R (1995) The second forest: filling the wood source gap while creating the environmental performance board of the 21st century. In: Proceedings of the 29th international particleboard/ composite material symposium, April 4–6, Washington State University, Pullman, WA, USA, pp 225–231
Chow P (1975) Dry formed composite board from selected agricultural residues. In: World consultation on wood-based panels. Food and Agriculture Organization. United Nations, Feb. 6–16, New Delhi, India
Han G, Zhang C, Zhang D, Umemura K, Kawai S (1998) Upgrading of UF-bonded reed and wheat straw particleboards using silane coupling agents. J Wood Sci 44:282–286
Han G, Umemura K, Kawai S, Kajita H (1999) Improvement mechanism of bondability in UF-bonded reed and wheat straw boards by silane coupling agent and extraction treatments. J Wood Sci 45:299–305
Browning BL (1967) Methods of wood chemistry, vol I. Wiley, New York, p 79
Author information
Authors and Affiliations
Corresponding author
Rights and permissions
About this article
Cite this article
Han, G., Umemura, K., Wong, E.D. et al. Effects of silane coupling agent level and extraction treatment on the properties of UF-bonded reed and wheat straw particleboards. J Wood Sci 47, 18–23 (2001). https://doi.org/10.1007/BF00776640
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/BF00776640