ArticleACS omega2025
Molecular Characterization of Oxygen-Containing Compounds in Aged Lubricant Base Oils.
Article in ACS omega, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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1 citing paper in PubMed.
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Authors and funding
11 authors.
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Abstract
Characterization of oxidation products at the molecular level enables a better understanding of the lubricant oil oxidation mechanisms. A base oil was subjected to thermal aging for 168 h at 100, 140, and 175 °C. The aged oils were characterized by various analytical techniques, such as elemental composition, group hydrocarbon composition, Fourier transform infrared spectroscopy (FTIR), and high-resolution mass spectrometry (HR MS) combined with electrospray ionization. The oxygen content in the aged oils increased from 0.1 wt % at 100 °C to 2.12% at 175 °C, indicating a sensitive impact on the oxidation temperature and high degree of oxidation in the aging process. Group hydrocarbon composition analysis indicates that a significant proportion of resins (exceeding 10 wt %) are present in the high-temperature aged oils. FTIR spectra provide solid evidence of the presence of carbonyl groups. HR MS reveals the molecular composition of the oxidation products. The O
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