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A high-load silica-based fir essential oil microcapsules: enhancing wood durability

文献类型: 外文期刊

作者: Peng, Xuyi 1 ; Zhou, Peng 1 ; Li, Xiangzhou 1 ; Zhou, Jun 1 ; Yang, Yanhong 1 ; Lu, Ying 1 ;

作者机构: 1.Cent South Univ Forestry & Technol, Coll Chem & Chem Engn, Changsha 410004, Hunan, Peoples R China

2.Cent South Univ Forestry & Technol, State Key Lab Utilizat Woody Oil Resource, Changsha 410004, Hunan, Peoples R China

3.Hunan Acad Agr Sci, Agr Prod Proc Inst, Changsha, Peoples R China

关键词: Chinese fir essential oil; SiO2; microcapsules; wood-based construction materials; antifungi

期刊名称:WOOD MATERIAL SCIENCE & ENGINEERING ( 影响因子:2.1; 五年影响因子:2.3 )

ISSN: 1748-0272

年卷期: 2025 年

页码:

收录情况: SCI

摘要: To combat fungi degradation that impairs mechanical properties and service life of wood-based construction materials, Chinese fir essential oil (CFEO) microcapsules was anchored onto wood surfaces. Core-shell Chinese fir essential oil at SiO2 microcapsules (CFEO@SiO2MC) synthesized via sol-gel achieved 49% loading efficiency and sustained release with 60% CFEO retention after 56 days. Anchoring formed dense SiO2 coatings for preparing functionalized wood, significantly enhanced the wood's antifungal properties: microcapsules-pine wood (MC-PW) and microcapsules-populus albaglandulosa (MC-PA) achieved 75% and 100% against Aspergillus niger, and 92% and 100% against Penicillium citrinum. Mechanical tests confirmed better and stronger anti-bending performance. These high-loaded silica microcapsules demonstrated exceptional potential for durable wood-based construction materials. [GRAPHICS]

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