Synthesis, Characterization, and Evaluation of Solution Properties of Sesame Fatty Methyl Ester Sulfonate Surfactant

ACS Omega
Soy R CKiplangat Rop

Abstract

The search for alternative, biodegradable, and sustainable raw materials to replace finite petrochemicals is an area of great interest. Triglycerides obtained from oilseed crops are such potential raw materials. In this study, sesame oil was trans-esterified to sesame fatty methyl esters (SEFAMEs) that were used as precursors in the synthesis of sesame fatty methyl esters sulfonate (SEFAMESO) surfactant. SEFAME and SEFAMESO surfactants were characterized by high-performance liquid chromatography-mass spectrometry (HPLC-MS), 1H NMR, and Fourier transform infrared (FTIR) spectra. HPLC-MS, 1H NMR, and FTIR spectra indicated successful trans-esterification and conversion of SEFAMEs to SEFAMESO. Solution properties of the SEFAMESO surfactant including hydrophilic-lipophilic balance (HLB) value, Krafft point, foam-ability, critical micelle concentration (CMC), counterion degree of binding and thermodynamic parameters such as ΔG°mic, ΔH°mic, ΔS°mic, ΔH°mic,* and TC were evaluated. The CMC values of SEFAMESO at 298.15 K were relatively lower than that of the sodium dodecyl sulfate (SDS) standard, and these values decreased to a minimum at 303.15 K and then increased with an increase in temperature. ΔG°mic values were negative indicatin...Continue Reading

References

Jan 18, 2006·Journal of Colloid and Interface Science·Xiaowen GuoXugen Ying
Sep 15, 2011·Analytical and Bioanalytical Chemistry·Karen M MacDougallJeremy E Melanson
Jul 15, 2015·Drug Development and Industrial Pharmacy·Joe M ViljoenJeanetta du Plessis
Jun 20, 2017·Journal of Oleo Science·Zulina Abd MauradRazmah Ghazali
May 11, 2018·International Journal of Cosmetic Science·Missael Antonio Arroyo NegreteKatarzyna Wrobel

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Methods Mentioned

BETA
chemical modification
NMR

Software Mentioned

OPUS
IR
SEFAMESO
SDS
Origin

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