Esterification of (meth)acrylic acid with an alkanol

Details Esterification of (meth)acrylic acid with an alkanol Esterification of (meth)acrylic acid with an alkanol

1996-08-23

1998-06-16

Killos, Paul J.

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

Organic compounds

Carboxylic acid esters

560218, C07C 6730

Patent

active

057673063

ABSTRACT:
In a process for esterifying (meth)acrylic acid with an alkanol in the presence of an esterification catalyst, in which unconverted starting compounds and the (meth)acrylate to be formed are separated off by distillation and an oxyester-containing bottom product is formed, the bottom product is first separated off, the oxyesters contained therein are then separated off by distillation and the resulting distillate is cleaved in the presence of acids at elevated temperatures. The process can be carried out in the presence of molecular oxygen. The distillate is cleaved at from 170.degree. to 250.degree. C., preferably from 180.degree. to 230.degree. C.

REFERENCES:
patent: 3261767 (1966-07-01), Knarr et al.

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