Process for the production of higher alkylacrylates and...

Details Process for the production of higher alkylacrylates and... Process for the production of higher alkylacrylates and...

C - Chemistry, Metallurgy

07

C

260/482.6

C07C 67/03 (2006.01) C07C 67/02 (2006.01) C07C 67/62 (2006.01) C07C 69/54 (2006.01)

Patent

CA 1051918

PROCESS FOR THE PRODUCTION OF HIGHER ALKYL ACRYLATES AND METHACRYLATES (D#71,200-DTA-69-F) ABSTRACT OF DISCLOSURE A process for the production of higher alkyl acryl- ates and methacrylates having reduced color numbers and con- taining minimum quantities of polymerization inhibitors and other impurities, wherein the alkyl chains contain 3 or more carbons, by the transesterification of methyl acrylate or methacrylate with alkanols of 3 or more carbons in the pres- ence of a titanium alcoholate as transesterification catalyst and also in the presence of polymerization inhibitor combina- tion and entraining agent for removing the methyl alcohol by- product. The transesterification is carried out by passing an oxygen-containing gas through the reaction mixture. In recovering the higher alkyl acrylates or methacrylates the resultant reaction mixture is subjected to a steam distillation. -I-

196933

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