Production of synthetic lube oils by esterification of butyl alcohol with petroleum acids

Kuliev, R. Sh.; Sadykhova, B. A.; Zaskal'ko, P. P.; Abdullaeva, Z. A.; Романова, Т. В.

doi:10.1007/bf00731629

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2006

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“…Esters of natural petroleum acids are important because of their structural analysis and further derivatization, as the obtained esters represent very convenient intermediates. 11 In addition, these esters themselves have very diverse applications as synthetic lubricants, 12 dispersive agents, 13 plastificators, 14,15 degreasing agents in the process of leather processing, 16 etc.…”

Section: Introductionmentioning

confidence: 99%

Microwave-assisted preparation of naphthenic acid esters

Ćirin-Novta

Kuhajda

Kevrešan

et al. 2006

JSCS

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The synthesis of esters of natural petroleum acids of the naphthenic type assisted with microwave irradiation under the conditions of acid catalysis was carried out with various alcohols: methanol, ethanol, n-butanol and tert-butyl alcohol. Microwave dielectric heating of the reaction mixture in an unmodified microwave oven with activation of the naphthenic acids with sulfuric and p-toluenesulfonic acid afforded the esters of the naphthenic acids. Depending on the catalyst and the steric and nucleophilic properties of the alcohols, the yield of naphthenic esters ranged from 31.25% to 88.90%. As a consequence of microwave dielectric heating, the esterification time was reduced from 6-10 h to 5 min. .

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Section: Introductionmentioning

confidence: 99%