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By taking black soldier fly oil(BSO) as the raw material, we prepared a series of biodegradable base oils(BSO-based ester derivatives) through epoxidation, ring-opening, and acylation reactions, and characterized the structure of BSO-based ester derivatives by FTIR.Moreover, we investigated the physicochemical performance, thermal stability, and tribological performance of BSO-based ester derivatives.Furthermore, we revealed the influence laws of different molecular structures on the friction mechanism of BSO-based ester derivatives from a microscopic perspective through molecular dynamics simulation.Meanwhile, we compared and analyzed the tribological performance of the ring-opened black soldier fly oil(ROBSO) and BSO-based ester derivatives.The results show that BSO-based ester derivatives have excellent physicochemical performance, thermal stability, and tribological performance.Compared with BSO-based ester derivatives, the adsorption energy of ROBSO on the iron atomic layer is higher.The adsorption energy of BSO-based ester derivatives gradually increases with the increase of the carbon chain length of the straight-chain anhydride.Under the same molecular weight conditions, the increase of the branch chain leads to a significant decrease in the adsorption energy.The results show that the adsorption energy, the relative atomic concentration distribution, and the radial distribution function(RDF) of oxygen atoms and iron atoms, obtained by molecular dynamics simulation are consistent with the results of tribological performance measured by the four-ball friction experiments.
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Basic Information:
China Classification Code:TE666
Citation Information:
[1]WANG Mi,XIANG Zhixiong,XIONG Jing ,et al.Preparation of Biodegradable Base Oil from Black Soldier Fly Oil and Its Tribological Performance[J].Chemistry ＆ Bioengineering,2026,43(05):23-28+70.
Fund Information:
湖北省科技计划专项(2017CFB290); 国家自然科学基金项目(21805214)
2026-05-13
2026-05-13