Synthesis and characterization of alkyl-methacrylate-maleic anhydride copolymer for use as a biodiesel flow improver

Methacrylic acid was esterified with four alcohols: 1-decanol, 1-dodecanol, 1-tetradecanol, and 1-cetanol. Afterwards, the obtained monomers were copolymerized with maleic anhydride. The synthesized monomers and copolymers were characterized by 1H-NMR (Nuclear magnetic resonance) and Fourier transfo...

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Bibliographic Details
Published in:Vietnam Journal of Science, Technology and Engineering Technology and Engineering, 2022-03, Vol.63 (3), p.24-29
Main Authors: Pham, Ngoc Lan, Luu, Van Boi, Phan, Thi Tuyet Mai, Nguyen, Thi Son
Format: Article
Language:English
Subjects:
cold flow improver
cooking oil-based biodiesel
copolymer
maleic anhydride
pour point
waste
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Summary:Methacrylic acid was esterified with four alcohols: 1-decanol, 1-dodecanol, 1-tetradecanol, and 1-cetanol. Afterwards, the obtained monomers were copolymerized with maleic anhydride. The synthesized monomers and copolymers were characterized by 1H-NMR (Nuclear magnetic resonance) and Fourier transform infrared (FTIR) spectroscopy. The ability of the obtained copolymers to reduce the pour point of waste cooking oil-based biodiesel was investigated. The results showed that the polymer additive with the alkyl chain C14H29- demonstrated the best flow improvement performance. At a concentration of 1000 ppm, this polymer additive reduced the pour point of waste cooking oil-based biodiesel from 12 to 5oC.In this study,the effect of alkyl chain length, molecular weight, as well as the concentration of the additives on the pour point of biodiesel was also discussed.
ISSN:2525-2461
2615-9937
DOI:10.31276/VJSTE.63(3).24-29