Kinetics of Esterification Reaction between Glycerol and Oleic Acid in the Presence of Pyridine
β Scribed by Emtir, M. M. ;Guner, F. S. ;Kabasakal, O. S. ;Erciyes, A. T. ;Ekinci, E.
- Publisher
- John Wiley and Sons
- Year
- 1995
- Weight
- 454 KB
- Volume
- 97
- Category
- Article
- ISSN
- 0931-5985
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β¦ Synopsis
In this study the kinetics of esterification reaction between glycerol and oleic acid was investigated in the presence of pyridine as a cosolvent, ~~~~~j~~ was carried a t 180y-, 2 0 0 0 ~ and 2 2 0 0 ~ using equivalent proportion of the reactants. A second-order rate equation
Kinetik der Esterbildung zwischen Glycerin und dlsaure bei Anwesenheit von Pyridin
In der vorliegenden Arbeit wurde die Kinetik der Reaktion zwischen Glycerin und dlsdure bei Anwesenheit von Pyridin als Losungsmittel untersucht. Die Reaktionen wurden bei 180"C, 200Β°C und 2 2 0 0 ~ Reaktanden durchgeffihrt. ~i~ Re&gleichen Anteilen was fitted to the experimental data Bt 1800c while a third-order rate tionsgeschwindigkeit bei 180Β°C laDt sich durch eineGleichung 2. Grades darstellen. Fur die iibrigen Temperaturen gelten Gleichungen 3. equation was fitted for the data obtained at the other temperatures.
Grades.
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The reactions of acrylic and methacrylic acids in ethylene oxide, propylene oxide, or glycerin epichlorohydrin were carried out in DMF in the presence of N,N-dimethylaniline catalyst. The kinetic equations describing these equations have been devised and activation parameters and \*Hj, \*Sj, \*Gj ca
The reaction has been studied spectrophotometrically monitoring the absorbance in the wavelength range. The spectra of the reactants, intermediates, and prod-240-400 nm ucts in this system are overlapping; thus special programs [1,2] have been used (and tested) to unravel the kinetics and mechanism