Conclusions
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1.
It has been shown that sodium bisulfate in an amount of 3–5% significantly shortens the reaction time compared with the most widely used catalysts in esterification of trimethylolpropane with fatty acids; it simplifies subsequent treatment of the reaction mixture, and increases the yield of ester. Changing the process temperature with the range 110–160°C does not affect the reaction time; therefore esterification with a yield of ester above 90% can be conducted at 110–120° C.
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2.
It has been shown that in the presence of sulfuric acid, on raising the experimental temperature from 110 to 160°C, the duration of the process is cut from 60 hrs to 1 h, but the yield of ester decreases significantly.
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 6, pp. 14–16, June, 1967.
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Itsikson, T.M., Milovidova, N.V. & Rapport, I.B. Esterification of trimethylolpropane with fatty acids. Chem Technol Fuels Oils 3, 398–400 (1967). https://doi.org/10.1007/BF00730142
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DOI: https://doi.org/10.1007/BF00730142