Application of nano SiO2-IPBC microcapsules in the anti-mildew and UV-resistance of rubberwood

IF 2.5 3区农林科学 Q1 FORESTRY European Journal of Wood and Wood Products Pub Date : 2023-10-25 DOI:10.1007/s00107-023-02008-4

Jiaqi Li, Guoqi Xu, Shaoshan Qin

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Abstract

Recent advances address the development of anti-mildew and UV-resistance microcapsules for wood. IPBC (3-iodo-2-propynylbutylcarbamate) is enclosed in the drug-loaded carriers through slow release, resulting in the anti-mildew process. Anti-mildew experiments showed that the control effectiveness of 1.25wt% nano SiO₂-IPBC microcapsules was 78.125% against Botryodiplodia theobromae. In addition, a novel angle of view is discussed, which is the UV-resistance, including different mass fractions of nano SiO₂-IPBC microcapsules, IPBC and the control group. Different FTIR characterizations and surface colors related to impregnated wood samples are discussed. Nano SiO₂-IPBC microcapsules had better bonding performance and UV-resistance than IPBC due to the synergistic effect of nano SiO₂ and IPBC in the microcapsules. Color measurements showed that the UV-resistance of microcapsules was better than 1.25wt% IPBC-impregnated wood samples. It helps us open new horizons to anti-mould agent, which offers multi-function of great anti-mildew effect and excellent UV-resistance. The simple and green method for the preparation of microcapsules could have tremendous potential for the extensive development of wood protection.

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纳米二氧化硅-IPBC 微胶囊在橡胶木防霉抗紫外线中的应用

木材防霉和抗紫外线微胶囊的开发取得了最新进展。IPBC（3-碘-2-丙炔基丁基氨基甲酸酯）通过缓慢释放被包裹在药物载体中，从而实现防霉过程。防霉实验表明，1.25wt% 的纳米二氧化硅-IPBC 微胶囊对可可巴氏菌的防治效果为 78.125%。此外，还从一个新的角度讨论了抗紫外线性能，包括不同质量分数的纳米 SiO2-IPBC 微胶囊、IPBC 和对照组。还讨论了与浸渍木材样品相关的不同傅立叶变换红外特性和表面颜色。由于纳米二氧化硅和 IPBC 在微胶囊中的协同作用，纳米二氧化硅-IPBC 微胶囊比 IPBC 具有更好的粘合性能和抗紫外线性能。颜色测量结果表明，微胶囊的抗紫外线性能优于 1.25wt% 的 IPBC 浸渍木材样品。该研究为防霉剂开辟了新天地，使防霉剂具有防霉效果好、抗紫外线能力强等多功能。这种简单、绿色的微胶囊制备方法将为木材保护领域的广泛发展带来巨大潜力。

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来源期刊

European Journal of Wood and Wood Products 工程技术-材料科学：纸与木材

CiteScore

5.40

自引率

3.80%

发文量

124

审稿时长

6.0 months

期刊介绍： European Journal of Wood and Wood Products reports on original research and new developments in the field of wood and wood products and their biological, chemical, physical as well as mechanical and technological properties, processes and uses. Subjects range from roundwood to wood based products, composite materials and structural applications, with related jointing techniques. Moreover, it deals with wood as a chemical raw material, source of energy as well as with inter-disciplinary aspects of environmental assessment and international markets. European Journal of Wood and Wood Products aims at promoting international scientific communication and transfer of new technologies from research into practice.