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

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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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Funding

The authors would like to acknowledge funding from the National Natural Science Foundation of China (grant No.31500470) and Natural Science Foundation of Heilongjiang Province, China (grant No.C2016014).

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Jiaqi Li was responsible for data curation and writing original draft, Shaoshan Qin was responsible for supervision and editing, Guoqi Xu was responsible for conceptualization, funding acquisition, resources, supervision, and review & editing. All authors reviewed the manuscript.

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Correspondence to Guoqi Xu.

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Li, J., Xu, G. & Qin, S. Application of nano SiO2-IPBC microcapsules in the anti-mildew and UV-resistance of rubberwood. Eur. J. Wood Prod. 82, 515–528 (2024). https://doi.org/10.1007/s00107-023-02008-4

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  • DOI: https://doi.org/10.1007/s00107-023-02008-4

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