Process for the continuous production of ethylene glycol monoeth

Details Process for the continuous production of ethylene glycol monoeth Process for the continuous production of ethylene glycol monoeth

1979-01-31

1981-04-07

Garner, Vivian

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

Organic compounds

Carboxylic acid esters

203 71, 203 73, 203 81, 203DIG19, 568877, C07C 6703, C07C 6754

Patent

active

042608139

ABSTRACT:
Ethyl acetate and an excess of ethylene glycol monoethyl ether are subjected to ester-interchange reaction at a temperature not exceeding 100.degree. C. in the presence of a strongly acidic cation exchange resin as a catalyst. The resulting reaction mixture is distilled to recover the ethylene glycol monoethyl ether acetate formed. The unchanged reactants are recycled to the reaction zone for re-use, and the by-product ethanol is recovered in a highly pure form. This method can be continuously performed easily and effectively without the need to separate the catalyst or to employ complex distilling steps and without involving other difficulties.

REFERENCES:
patent: 2862962 (1958-12-01), Ulvild et al.
patent: 3700726 (1972-10-01), Johnson, Jr. et al.
Manufacturing Chemist, Nov. 1956, pp. 454-458.
Helfferich, Angew. Chem., 1954, 66, pp. 241-249.

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