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This study focuses on the development of sustainable biolubricants using epoxidized soybean oil (ESBO) as a bio-based source and its amidation/transesterification with various N-alkylhydroxyamines. The chemical and tribological properties of the products were evaluated and the modification of ESBO with N-methylethanolamine produces a base oil that exhibited an improvement in the of coefficient of friction reduction (COF) in several lubrication regimes. These results highlight the potential of functionalized bio-based materials as lubricants for improved lubrication efficiency and a step towards more environmentally friendly alternatives to conventional petroleum-based lubricants.
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Ribeiro et al. (2025) studied this question.
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