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- In relation to this article, we declare that there is no conflict of interest.
- Publication history
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Received July 3, 2023
Accepted November 13, 2023
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Eff ectiveness of Zeolitic Imidazolate Framework-8 (ZIF-8) Coated on Wood Blocks to Deter Termites and Optimized Concentration and Application
Abstract
This study investigated techniques of coating zeolitic imidazolate framework-8 (ZIF-8) particles on the surface of blocks
of pine ( Pinus densifl ora ) and a method for eff ectively preventing termite access. ZIF-8 was synthesized by the reaction of
2-methylimidazole (2-MeIm) and Zn 2+ in methanol media. Treatment of the wood blocks was carried out by immersing wood
blocks in aqueous dispersions of ZIF-8 (0.1–0.3%) and in aqueous solutions of 2-MeIm (0.01–0.3%). Subterranean termite
( Reticulitermes speratus ) prevention experiments were carried out using choice and no-choice tests according to AWPA
standard (E1-17). In the no-choice test, termites would not eat the wood block treated with aqueous dispersions of ZIF-8
prepared at a concentration of 0.1% or more, and all died within 28 days of the experiment, 100% mortality. In the choice
test performed for 28 days, the termites did not eat the treated block and ate only the untreated wood block and showed the
same low mortality as the control group, and there was no damage to the treated wood block. The results of experiments
performed with wood blocks treated with 2-MeIm aqueous solutions were similar to those of ZIF-8. In conclusion, ZIF-8
and 2-MeIm showed very eff ective anti-termite agent performance.
