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High Permeability of Boron along the Transverse Direction of Wood under High-Voltage Electrostatic Field (HVEF) Treatment

Daiyuan Zhang1, Qian He2, Baocong Du2, Junbao Yu2,3, Xudong Zhu3, Dingyi Yang2, Shengcai Li2, Tianyi Zhan1, Liming Shen1,*, Zhiqiang Wang1,*, Xiaoning Lu1

1 College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, 210037, China
2 College of Civil Science and Engineering, Yangzhou University, Yangzhou, 225127, China
3 Yangzhou Polytechnic Institute, Yangzhou, 225100, China

* Corresponding Authors: Liming Shen. Email: email; Zhiqiang Wang. Email: email

(This article belongs to the Special Issue: Advanced Wood Composites from Renewable Materials)

Journal of Renewable Materials 2022, 10(3), 721-734. https://doi.org/10.32604/jrm.2022.016793

Abstract

Permeability of wood preservative is one of the most significant factors for protection of wood construction. Anisotropic flow permeability was involved in different directions of wood with higher flow resistance in the transverse and lower longitudinal directions. In this study, boron acid solution was brushed onto the tangential section of air-dried wood cubes and boron penetration along wood transverse direction was investigated under free diffusion, vacuum and HVEF treatments. Multi-scale boron distribution, FTIR measurement, leaching property, mechanical properties and fungistatic characteristic were investigated for free diffusion, vacuum and HVEF treated samples respectively. The results revealed that boron exhibited high permeability along the transverse direction with the penetration depth of ≈35 mm for HVEF treated samples and ≈1 mm for free diffusion and vacuum treated samples. For HVEF treated samples, no significant decrease of hardness, compression modulus of elasticity and strength were found in the treated samples. Better fungistatic characteristic was showcased in HVEF treated samples exposed to white rot fungi. Thus, HVEF treatment has a positive effect on boron permeability and the improvement of penetration depth of preservatives hence playing a significant role in wood protection and prolonging the service life of wood construction.

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APA Style
Zhang, D., He, Q., Du, B., Yu, J., Zhu, X. et al. (2022). High permeability of boron along the transverse direction of wood under high-voltage electrostatic field (HVEF) treatment. Journal of Renewable Materials, 10(3), 721-734. https://doi.org/10.32604/jrm.2022.016793
Vancouver Style
Zhang D, He Q, Du B, Yu J, Zhu X, Yang D, et al. High permeability of boron along the transverse direction of wood under high-voltage electrostatic field (HVEF) treatment. J Renew Mater. 2022;10(3):721-734 https://doi.org/10.32604/jrm.2022.016793
IEEE Style
D. Zhang et al., "High Permeability of Boron along the Transverse Direction of Wood under High-Voltage Electrostatic Field (HVEF) Treatment," J. Renew. Mater., vol. 10, no. 3, pp. 721-734. 2022. https://doi.org/10.32604/jrm.2022.016793



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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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