Minting Lai, Guijun Xie*, Wanju Li, Lamei Li, Yongjian Cao
Journal of Renewable Materials, Vol.11, No.6, pp. 2665-2678, 2023, DOI:10.32604/jrm.2023.027441
Abstract Heat-treated wood has good dimensional stability, durability, and color, but its susceptibility to fungal growth affects its commercial value. In this study, lumber harvested from mature Masson’s pine (Pinus massoniana Lamb.) was vacuum impregnated with a basic copper salt solution (copper hydroxide, diethanolamine, and polyethylene glycol 200) prior to heat-treatment at 220°C for 3 h. Antifungal properties, surface chemistry, crystal structure and sugar contents were tested, compared with heat treatment alone. The results showed that the samples treated by heating without copper salt treatment showed poor suppression of fungal growth, the copper-impregnated heat-treated wood suppressed (100%) the growth of Botryodiplodia theobromae… More >
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