ISSN 0005-2531 (Print) ISSN 2522-1841 (Online)
SYNTHESIS OF (MET)ACRYLIC MONOESTERS OF ETHYLENE GLYCOL
M.K.Mamedov, G.N.Mehdiyeva, R.A. Jafarova, Dj.H.Ismayilova

 

The reaction of etherification of acrylic acids with ethylene glycol in the presence of heterogeneous catalysts KU-2.8 of H-form and naphthalene-1,5 disulfonic acid has been studied. The optimal conditions have been found for the synthesis of (met)acrylic monoesters of ethyleneglycol 2-hydroxy­ethyl­(met)­ac­rylates, the yield of which is 83.6 and 87.5%, 84.5 and 92.0%. It has been established that the naphthalene-1,5-disulfonic acid is a more effective catalyst than KU-2.8 of H-form, as its presence in the reaction proceeds with the formation of high yield of hydroxyethylacrylate monomers. The synthesized acrylates are reactive monomers for obtaining an optical lens and glue, as well as in the manufacture of dentures.

 

Keywords : monoethers of ethylene glycol, acrylic acid, KU-2.8, naphthalene-1,5 disulfonic acid
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№1 2024
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