Citation
Hoong Seng Soi, . and Yeong Shoot Kian, . and Hazimah Abu Hassan, . Non-catalytic one-pot synthesis of polyhydroxy estolides from oleic acid. pp. 88-96. ISSN 1511-2780
Abstract
Polyhydroxy estolides were successfully synthesised from oleic acid through a non-catalytic one-pot method. Gel permeation chromatography (GPC) analysis showed that the yield of the polyhydroxy estolides was about 72 and the number average molecular weight (Mn) of the product ranges between 1000 “ 2200 Da. Other instrumental analyses such as nuclear magnetic resonance (NMR) Fourier transform infra- Red (FTIR) and Matrix-assisted laser desorption/ionization-time of flight (MALDI-TOF) as well as acid value analysis revealed that the prepared polyhydroxy estolides was oligomers of dihydroxystearic acid linked by ester groups and further confirmation of the oligomers structure was achieved by reduction and saponification reactions.
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Abstract
Polyhydroxy estolides were successfully synthesised from oleic acid through a non-catalytic one-pot method. Gel permeation chromatography (GPC) analysis showed that the yield of the polyhydroxy estolides was about 72 and the number average molecular weight (Mn) of the product ranges between 1000 “ 2200 Da. Other instrumental analyses such as nuclear magnetic resonance (NMR) Fourier transform infra- Red (FTIR) and Matrix-assisted laser desorption/ionization-time of flight (MALDI-TOF) as well as acid value analysis revealed that the prepared polyhydroxy estolides was oligomers of dihydroxystearic acid linked by ester groups and further confirmation of the oligomers structure was achieved by reduction and saponification reactions.
Additional Metadata
| Item Type: | Article |
|---|---|
| AGROVOC Term: | Epoxides |
| AGROVOC Term: | Oleic acid |
| AGROVOC Term: | Fatty acids |
| AGROVOC Term: | Catalytic activity |
| AGROVOC Term: | Catalysts |
| AGROVOC Term: | Absorption |
| AGROVOC Term: | Heating |
| AGROVOC Term: | Chemical compounds |
| AGROVOC Term: | Column chromatography |
| AGROVOC Term: | Mass spectrometry |
| Depositing User: | Ms. Suzila Mohamad Kasim |
| Last Modified: | 24 Apr 2025 06:28 |
| URI: | http://webagris.upm.edu.my/id/eprint/24256 |
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