Diesters biolubricant base oil: Synthesis, optimization, characterization, and physicochemical characteristics

Jumat Salimon, Nadia Salih, Bashar Mudhaffar Abdullah

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Diesters biolubricant base oil, oleyl 9(12)-hydroxy-10(13)-oleioxy-12(9)- octadecanoate (OLHYOOD) was synthesized based on the esterification reaction of 9,12-hydroxy-10,13-oleioxy-12-octadecanoic acid (HYOOA) with oleyl alcohol (OL) and catalyzed by sulfuric acid (SA). Optimum conditions of the experiment to obtain high yield of OLHYOOD were predicted at ratio of OL/HYOOA of 2:1mol/mol, ratio of SA/HYOOA of 0.7:1mol/mol, reaction temperature 110()C, and 7h of reaction time. At this condition, the yield of OLHYOOD was 88.7. Disappearance of carboxylic acid (C=O) peak has been observed by FTIR with appearance of ester (C=O) peak at 1738cm-1. 13C, and 1HNMR spectra analyses confirmed the result of OLHYOOD with the appearance of carbon-ester (C=O) chemical shift at 173.93ppm and at 4.05ppm for 13C and 1HNMR, respectively. The physicochemical characteristics of the OLHYOOD were also determined, which showed improved low temperature properties (PP) -62°C, viscosity index (VI) at 192 and also increased oxidative stability (OT) up to 215.24°C.

Original languageEnglish
Article number896598
JournalInternational Journal of Chemical Engineering
DOIs
Publication statusPublished - 2012

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Stearates
Oils
Sulfuric acid
Acids
Esters
Alcohols
Low temperature properties
Esterification
Chemical shift
Carboxylic acids
Viscosity
Carboxylic Acids
Carbon
Experiments
Temperature
stearic acid

ASJC Scopus subject areas

  • Chemical Engineering(all)

Cite this

Diesters biolubricant base oil : Synthesis, optimization, characterization, and physicochemical characteristics. / Salimon, Jumat; Salih, Nadia; Abdullah, Bashar Mudhaffar.

In: International Journal of Chemical Engineering, 2012.

Research output: Contribution to journalArticle

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