Process for manufacture of alkyl esters of aliphatic carboxylic

Details Process for manufacture of alkyl esters of aliphatic carboxylic Process for manufacture of alkyl esters of aliphatic carboxylic

1976-07-19

1978-02-28

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

203 60, C07C 6954

Patent

active

040769500

ABSTRACT:
A continuous process for the preparation of acrylic and methacrylic acid esters by conventional esterification, where sufficient substantially anhydrous product ester is added to the esterification reactor to satisfy the ester/alkanol and ester/water azeotropes, the low boiling azeotropes are recovered, thereby removing crude product ester, unreacted alkanol and water of esterification from the esterification reactor, while leaving substantially all the high-boiling unreacted acrylic or methacrylic acid in the reactor.

REFERENCES:
patent: 3354199 (1967-11-01), Lachowicz et al.
patent: 3527677 (1970-09-01), Harpring
patent: 3553261 (1971-01-01), Sennewald et al.
patent: 3666632 (1972-05-01), Honda et al.

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