Abstract Wood is an environmentally friendly product, but some of woods can be easily biodegraded. Salicylic acid/silica microcapsules (SSM) represents a kind of wood preservative prepared with the anti-fungal salicylic acid as a core substance and the silica as wall material using sol-gel technology. SSMs were synthesized and then impregnated into poplar wood using vacuum-pressure treatment. Leaching tests were carried out in distilled water for up to 318 h. Decay resistance of SSM treated poplar against white-rot fungi (Trametes versicolor) and brown rot fungi (Gloeophyllum trabeum) was determined. Leaching tests showed that SSM retention was good and leaching resistance of salicylic acid in SSM treated wood were improved. SEM (scanning electron microscope), FTIR (Fourier-transform infrared spectroscopy), EDX (Energy Dispersive X-Ray Spectroscopy) and XPS (X-ray photoelectron spectroscopy) analysis showed that the SSMs were between 0.06 and 0.16 μm, and most were distributed in the vessel cavity with hydrogen bonding to cell wall surfaces, some SSMs were found in the cell wall. The decay resistance of SSM treated poplar was greatly improved compared to untreated poplar.

中文翻译：

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水杨酸/二氧化硅微胶囊提高木材抗腐性：对水杨酸浸出、微观结构和抗腐性的影响

摘要 木材是一种环保产品，但有些木材很容易被生物降解。水杨酸/二氧化硅微胶囊（SSM）是一种以抗真菌水杨酸为核心物质，二氧化硅为壁材，采用溶胶-凝胶技术制备的木材防腐剂。合成 SSM，然后使用真空压力处理浸渍到杨木中。浸出试验在蒸馏水中进行长达 318 小时。测定了经 SSM 处理的杨树对白腐真菌（Trametes versicolor）和褐腐真菌（Gloeophyllum trabeum）的抗腐烂性。浸出试验表明，SSM 处理后的木材，SSM 保持性良好，水杨酸的抗浸出性能有所提高。SEM（扫描电子显微镜）、FTIR（傅立叶变换红外光谱）、EDX（能量色散X射线光谱）和XPS（X射线光电子能谱）分析表明SSMs在0.06-0.16μm之间，大部分分布在血管腔内，与细胞壁表面形成氢键，发现一些SSMs在细胞壁中。与未经处理的杨树相比，SSM 处理过的杨树的抗腐性大大提高。