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Natural Additive for Reducing Formaldehyde Emissions in Urea-Formaldehyde Resins

Flávio Pereira1, João Pereira2, Nádia Paiva3, João Ferra3, Jorge Manuel Martins1,4, Fernão D. Magalhães1, and Luísa Carvalho1,4*

LEPABE – Faculty of Engineering, University of Porto, rua Dr. Roberto Frias, 4200-465 Porto, Portugal
ARCP – Association of Competence Network in Polymers, Porto, Portugal
Euroresinas – Indústrias Químicas S.A., 7520-195 Sines, Portugal
DEMad – Department of Wood Engineering, Polytechnic Institute of Viseu, Campus Politécnico de Repeses, 3504-510 Viseu, Portugal

*Corresponding author: email

Journal of Renewable Materials 2016, 4(1), 41-46. https://doi.org/10.7569/JRM.2015.634128

Abstract

This work studies the use of soy protein as a natural formaldehyde scavenger in wood particleboard production. The protein is incorporated in two forms: a) as a powder, during the blending process of wood particles with urea-formaldehyde binder resin, and b) as an aqueous solution, added at different times during resin synthesis. Analysis of variance (ANOVA) was used to evaluate the signifi cance level of two effects (amount of added soy and time of addition) on internal bond strength, thickness swelling, and formaldehyde content of the resulting panels. The results showed that soy protein can contribute to decrease the formaldehyde content of particleboard panels. Addition in powder form or in solution during the resin condensation step leads to the highest formaldehyde reduction, without signifi cantly affecting the physical properties of the panels.

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Cite This Article

APA Style
Pereira, F., Pereira, J., Paiva, N., Ferra, J., Martins, J.M. et al. (2016). Natural additive for reducing formaldehyde emissions in urea-formaldehyde resins. Journal of Renewable Materials, 4(1), 41-46. https://doi.org/10.7569/JRM.2015.634128
Vancouver Style
Pereira F, Pereira J, Paiva N, Ferra J, Martins JM, Magalhães FD, et al. Natural additive for reducing formaldehyde emissions in urea-formaldehyde resins. J Renew Mater. 2016;4(1):41-46 https://doi.org/10.7569/JRM.2015.634128
IEEE Style
F. Pereira et al., "Natural Additive for Reducing Formaldehyde Emissions in Urea-Formaldehyde Resins," J. Renew. Mater., vol. 4, no. 1, pp. 41-46. 2016. https://doi.org/10.7569/JRM.2015.634128



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