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Esterification of palmitic acid with epichlorohydrin on anion exchange resin catalyst

100%
Muresan E., Oprea S., Malutan T., Vata M.
Open Chemistry
|
2007
|
vol. 5
|
issue 3
715-726
EN
The esterification reaction of palmitic acid with epichlorohydrin catalyzed by an anionic macroporous resin was studied. Purolite A-500 resin proved to be a very effective catalyst in the synthesis of 3-chloro-2-hydroxypropyl palmitate. The effects of certain parameters such as speed of agitation, catalyst particle size, catalyst loading, temperature, initial molar ratio between reactants on the rate of reaction were studied. It was found that the overall rate is intrinsically kinetically controlled. The structure of synthesized ester was confirmed by FTIR and 1H NMR analyses. [...]
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Kinetic studies for the esterification of acetic acid with epichlorohydrin over an anion exchange resin catalyst

88%
Muresan E., Oprea S., Hulea V., Malutan T., Vata M.
Open Chemistry
|
2008
|
vol. 6
|
issue 3
419-428
EN
The kinetics of the esterification reaction between acetic acid and epichlorohydrin catalysed by Purolite A-520E strong basic anion exchange resin was studied. The effects of certain parameters such as stirring speed, particle diameter, temperature, catalyst amount and molar ratio between reactants were experimentally determined. It was found that the overall reaction rate is intrinsically kinetically controlled. The partial orders of reaction with respect to catalyst, acetic acid and epichlorohydrin were determined. A reaction mechanism is proposed. Based on chromatographic data and taking into account the partial orders of reaction, a more detailed kinetic model is suggested. [...]
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