Inhibition of polymerization fouling during distillation of mono

Details Inhibition of polymerization fouling during distillation of mono Inhibition of polymerization fouling during distillation of mono

1987-06-02

1988-06-28

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

203 8, 203DIG1, C07C 6952

Patent

active

047540583

ABSTRACT:
Polymer formation is inhibited during the distillation of ethyl acrylate and acrylic acid produced from the reaction of ethylene and acrylic acid with sulfuric acid. In the presence of sulfur dioxide formed during the reaction, nitrogen oxide (NO) is highly effective for inhibition of polymerization fouling.

REFERENCES:
patent: 2741583 (1956-08-01), Vaughan et al.
patent: 3539621 (1970-11-01), Cipollone et al.
patent: 3894076 (1975-07-01), Van Duyne et al.
patent: 3964979 (1976-06-01), Watson
patent: 4338162 (1982-07-01), Johnson

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