Sintesis dan pencirian epoksida dioleat neopentil glikol sebagai bahan perantara biopelincir

Translated title of the contribution: Synthesis and characterization of epoxidized neopenthyl glycol diolete as an intermidiate of biolubricant

Vanitah Rajaendran, Jumat Salimon, Muhammad Rahimi Usop

Research output: Contribution to journalArticle

Abstract

Neopenthyl glycol dioleate (NPGDO) is a biolubricant base that was formed via esterification process with oleic acid. The presence of oleic acid leads to poor oxidative stability. In this study, epoxidation reaction between NPGDO, formic acid and hydrogen peroxide has been carried out to produce epoxidized NPG dioleate (ENPGDO) which acts as the intermediate of biolubricant. Epoxidized oil can be further modified for better properties. The temperature for this reaction was 40 °C and the molar ratio of NPGDO:formic acid:hydrogen peroxide was 1:3:4. The reaction had taken place for 3 hours. The presence of the epoxy in the product was confirmed through Fourier Transform Infrared (FTIR). The structure of ENPGDO was confirmed using both proton and carbon Nuclear Magnetic Resonance (1H-NMR and 13C-NMR) analysis. The product was found to have 218 (viscosity indeks), 205 °C (flash point), -18 °C (pour point) and 197 °C (oxidative stability). The relative conversion of oxirane (RCO) for ENPGDO was 97.5%.

Original languageMalay
Pages (from-to)1329-1337
Number of pages9
JournalMalaysian Journal of Analytical Sciences
Volume20
Issue number6
DOIs
Publication statusPublished - 2016

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formic acid
Glycols
Nuclear magnetic resonance
Oleic Acid
Hydrogen Peroxide
Ethylene Oxide
Epoxidation
Esterification
Protons
Fourier transforms
Oils
Carbon
Viscosity
Infrared radiation
Temperature

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Sintesis dan pencirian epoksida dioleat neopentil glikol sebagai bahan perantara biopelincir. / Rajaendran, Vanitah; Salimon, Jumat; Usop, Muhammad Rahimi.

In: Malaysian Journal of Analytical Sciences, Vol. 20, No. 6, 2016, p. 1329-1337.

Research output: Contribution to journalArticle

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KW - Oleic acid

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