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- W4386543753 abstract "Hydrocarbon-based lubricants are ubiquitous in industrial applications but are typically complex mixtures of branched molecules that are challenging to characterize and to relate to their macroscopic properties. Consequently, lubricants are typically optimized empirically for specific applications by blending base oils and organic or inorganic additives. Here, we report the synthesis and characterization of molecularly defined lubricants via metathesis of branched terminal olefins followed by hydrogenation of the internal olefin products. The resulting saturated hydrocarbons are characterized by ultra-high-field (28.2 T) 1H and 13C NMR spectroscopies to establish their molecular structures and resolve different stereoisomers, showing the utility of state-of-the-art spectroscopic tools for resolving structures of branched alkanes. Furthermore, the molecular-level diffusion and bulk viscosity properties compare favorably to classical synthetic lubricants based on hydrogenated polyalphaolefin blends, establishing olefin metathesis as a selective and scalable route to high-performance lubricant oils with defined molecular structures." @default.
- W4386543753 created "2023-09-09" @default.
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- W4386543753 date "2023-09-08" @default.
- W4386543753 modified "2023-10-16" @default.
- W4386543753 title "Molecularly defined lubricant hydrocarbons from olefin metathesis" @default.
- W4386543753 doi "https://doi.org/10.26434/chemrxiv-2023-jtvvr-v2" @default.
- W4386543753 hasPublicationYear "2023" @default.
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