A process for preparing an acrylic or methacrylic acid ester.

摘要

Acrylic or methacrylic acid is esterified with an alcohol in an aqueous medium containing a water-insoluble and non-reactive organic solvent in the presence of an acid catalyst, the volume ratio of the organic solvent phase to the aqueous solution phase of the acid catalyst being 0.1:1 to 1.0:1. The use of this low organic solvent:aqueous phase ratio permits the use of a small-sized reactor while conversion to the ester is kept high. The acrylic or methacrylic acid ester is a useful starting material for acrylic resins, acrylic resin coatings, adhesives, etc.