Abstract
The activity and selectivity of polystyrene sulfonic acid resins (Amberlyst 39, Amberlyst 46, Amberlyst 70, and Amberlyst 131) were measured in the reaction of 2-ethylhexyl acrylate formation. The kinetics of the esterification of acrylic acid with 2-ethylhexan-1-ol was studied using Amberlyst 70 ion exchange resin (1–10wt%) as a catalyst superior over a group of commercial catalysts. The 7:1, 5:1, 3:1, 1:1, 1:3, 1:5, and 1:7 alcohol to acid molar ratio was used to carry out the reaction in an isothermal batch reactor at temperatures from 353 to 393K. The studied mixtures are highly non-ideal, therefore, the kinetic equations and equilibrium parameters were expressed in terms of activities.
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