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Termite Resistance of Heat-Treated Eucalyptus OSB Bonded with Eco-Friendly Castor Oil Adhesive

Estefani S. Sugahara1,2,3,*, André M. A. Dias1,3, Fernanda D. Maffioletti5, Juarez B. Paes5, André L. Christoforo4, Edson C. Botelho2, Alfredo M. P. G. Dias1,3, Cristiane I. Campos2

1 SerQ, Innovation and Competence Forest Center, Sertã, 6100-711, Portugal
2 Materials and Technology Department, Faculty of Engineering and Sciences of Guaratinguetá, São Paulo State University (UNESP), Guaratinguetá, 12516-410, Brazil
3 Department of Civil Engineering, University of Coimbra, Coimbra, 3030-790, Portugal
4 Exact Sciences and Technology Center, Federal University of São Carlos, São Carlos, 13565-905, Brazil
5 Department of Forest and Wood Science, Federal University of Espírito Santo, Jerônimo Monteiro, 29550-000, Brazil

* Corresponding Author: Estefani S. Sugahara. Email: email

(This article belongs to the Special Issue: Advances in Eco-friendly Wood-Based Composites: Design, Manufacturing, Properties and Applications – 2024)

Journal of Renewable Materials 2024, 12(11), 1911-1925. https://doi.org/10.32604/jrm.2024.056198

Abstract

Over the last decade, the oriented strand board (OSB) market presented meaningful growth. However, as a wood-based product, because of its anatomical structure and chemical composition, OSB can be damaged by biodeterioration agents. Given that, the biodeterioration of OSB panels must be investigated to improve its durability. In this way, this work analyses the biological resistance against termites (Cryptotermes brevis and Nasutitermes corniger) of heat-treated OSB panels made with Eucalyptus wood glued with vegetable-based polyurethane-an eco-friendly and sustainable adhesive derived from castor oil. Various panels were produced with different layers compositions (face:core:face of 25:50:25 and 30:40:30) in wood mass proportion and were submitted to postproduction heat treatment (at 175°C and 200°C) replacing the use of chemical insecticides. The influence of the layers variation and heat treatment temperature were evaluated, and these results were compared with commercial panels (made from pinus wood with insecticide). The results showed that the heat treatment did not improve the resistance against termite attack. However, all the experimental panels presented a satisfactory performance that was compatible with the commercial panels produced with insecticide available in the Brazilian market. The combination of Eucalyptus wood and castor oil adhesive to produce OSB, in any variation of layer composition, demonstrated natural resistance against termite attack compatible with the commercial panels, even without using chemical additives to increase durability.

Graphic Abstract

Termite Resistance of Heat-Treated Eucalyptus OSB Bonded with Eco-Friendly Castor Oil Adhesive

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Cite This Article

APA Style
Sugahara, E.S., Dias, A.M.A., Maffioletti, F.D., Paes, J.B., Christoforo, A.L. et al. (2024). Termite resistance of heat-treated eucalyptus OSB bonded with eco-friendly castor oil adhesive. Journal of Renewable Materials, 12(11), 1911-1925. https://doi.org/10.32604/jrm.2024.056198
Vancouver Style
Sugahara ES, Dias AMA, Maffioletti FD, Paes JB, Christoforo AL, Botelho EC, et al. Termite resistance of heat-treated eucalyptus OSB bonded with eco-friendly castor oil adhesive. J Renew Mater. 2024;12(11):1911-1925 https://doi.org/10.32604/jrm.2024.056198
IEEE Style
E.S. Sugahara et al., “Termite Resistance of Heat-Treated Eucalyptus OSB Bonded with Eco-Friendly Castor Oil Adhesive,” J. Renew. Mater., vol. 12, no. 11, pp. 1911-1925, 2024. https://doi.org/10.32604/jrm.2024.056198



cc Copyright © 2024 The Author(s). Published by Tech Science Press.
This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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