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Evaluation of Weathering Performance of Rosin-Copper Based Treated Wood

Thi Thanh Hien Nguyen1,*, Nho Quyet Tran2, Thi Minh Nguyet Nguyen1, Hien Mai Trinh1, Xuan Phuong Le1, Trong Kien Nguyen1

1 College of Wood Industry and Interior Design, Vietnam National University of Forestry, Ha Noi, Viet Nam
2 College of Economics and Management, Northeast Forestry University, Harbin, China

* Corresponding Author: Thi Thanh Hien Nguyen. Email: email

Journal of Renewable Materials 2022, 10(11), 2765-2780. https://doi.org/10.32604/jrm.2022.019634

Abstract

This study aimed to evaluate the effect of natural weathering on some surface characteristics and mechanical properties of Styrax wood treated with mixtures of 1.0%, 2.0%, or 4.0% rosin sizing agent and 3% copper sulfate. Wood samples after treatment were exposed to outdoor conditions for one year and changes in color, glossiness, weight loss, compression strength parallel to grain (CSPG), modulus of rupture (MOR), and modulus of elasticity (MOE) were investigated after 6 and 12-month of natural weathering. The results showed that rosin-copper treatment could improve color stability and gloss of samples after weathering. Mass losses of all rosin-copper treated samples after 12 months of exposure were negligible compared with the untreated control samples. In addition, rosin-copper treatment enhanced the CSPG compared to untreated controls, but slightly decreased the MOR and MOE of Styrax wood before weathering. Natural weathering factors induced a reduction for all strength properties, however, the decrease rate for strength properties of rosin-copper treated samples was negligible compared with the untreated control samples after 12-month natural weathering exposure. The FTIR and SEM-EDX confirmed that the use of the rosin-copper formulations to impregnate wood could decrease the hazard of the copper preservative leaching into the environment, while also enhancing more resistance against weathering factors and other biotic factors.

Graphical Abstract

Evaluation of Weathering Performance of Rosin-Copper Based Treated Wood

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APA Style
Nguyen, T.T.H., Tran, N.Q., Nguyen, T.M.N., Trinh, H.M., Le, X.P. et al. (2022). Evaluation of weathering performance of rosin-copper based treated wood. Journal of Renewable Materials, 10(11), 2765-2780. https://doi.org/10.32604/jrm.2022.019634
Vancouver Style
Nguyen TTH, Tran NQ, Nguyen TMN, Trinh HM, Le XP, Nguyen TK. Evaluation of weathering performance of rosin-copper based treated wood. J Renew Mater. 2022;10(11):2765-2780 https://doi.org/10.32604/jrm.2022.019634
IEEE Style
T.T.H. Nguyen, N.Q. Tran, T.M.N. Nguyen, H.M. Trinh, X.P. Le, and T.K. Nguyen "Evaluation of Weathering Performance of Rosin-Copper Based Treated Wood," J. Renew. Mater., vol. 10, no. 11, pp. 2765-2780. 2022. https://doi.org/10.32604/jrm.2022.019634



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