Development of polyols analogous to neopentyl glycol and trimethylolpropane for the production of oleic acid-based biolubricants

Ramos Moreira, Denise; Worman, Michael; Nery Ferreira, Elano; Roberto Campos Flexa Ribeiro Filho, Paulo; Morais Ribeiro da Silva, Larissa; Bezerra Mota Gomes Arruda, Tathilene; Eduardo Arruda Rodrigues, Francisco; Murilo Tavares de Luna, Francisco; Liberato Petzhold, César; Maier, Martin E.; Maria Pontes Silva Ricardo, Nágila

doi:10.1016/j.fuel.2024.133156

Fuel

2025

DOI: 10.1016/j.fuel.2024.133156

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Development of polyols analogous to neopentyl glycol and trimethylolpropane for the production of oleic acid-based biolubricants

Denise Ramos Moreira,

Michael Worman,

Elano Nery Ferreira

et al.

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Tribological Characteristics of Biolubricant Obtained by Transesterification of Grape Seed Oil

Silva,

Melo Neta,

Ribeiro Filho

et al. 2024

Lubricants

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Research on and the development of bio-based lubricants as alternatives to mineral-based lubricants have been encouraged worldwide owing to environmental concerns and the possible depletion of oil reserves. This study explored the use of grape seed oil (GSO), a byproduct of wine production, as a raw material for biolubricant synthesis. GSO contains a triglyceride molecule rich in unsaturated fatty acids, which is ideal for obtaining biolubricants. This study addresses the technical challenges of converting GSO into a lubricant by synthesizing methyl esters (FAME) via transesterification with 2-ethylhexanol to produce a biolubricant (BL) sample. The obtained products were characterized using Fourier-transform infrared spectroscopy and nuclear magnetic resonance spectroscopy to confirm the conversion of the molecules. The density, kinematic viscosity, and viscosity index were determined using the parameters established by ASTM. The tribological characteristics of BL were evaluated using a four-ball tribometer configuration. BL exhibited physicochemical characteristics comparable with those of an ISO VG 10 lubricant, a friction coefficient (FC) 40.82% lower than that of a hydrotreated mineral oil sample, and a smoother wear surface. These results indicate that the polarity of the ester functional group was efficient in producing a protective film on metal surfaces.

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Tribological Characteristics of Biolubricant Obtained by Transesterification of Grape Seed Oil

Silva,

Melo Neta,

Ribeiro Filho

et al. 2024

Lubricants

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show abstract

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Development of polyols analogous to neopentyl glycol and trimethylolpropane for the production of oleic acid-based biolubricants

Cited by 1 publication

References 61 publications

Tribological Characteristics of Biolubricant Obtained by Transesterification of Grape Seed Oil

Tribological Characteristics of Biolubricant Obtained by Transesterification of Grape Seed Oil

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