Continuous preparation of alkyl esters of (meth)acrylic acid and

Details Continuous preparation of alkyl esters of (meth)acrylic acid and Continuous preparation of alkyl esters of (meth)acrylic acid and

1998-07-21

1999-05-04

Killos, Paul J.

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

202 34, 202152, 202162, 560205, 560218, B01D 334, C07C 6952

Patent

active

059001259

ABSTRACT:
In a process and an apparatus for the continuous preparation of alkyl esters of (meth)acrylic acid by reacting (meth)acrylic acid and monohydric alkanols of 1 to 8 carbon atoms in the homogeneous, liquid, solvent-free phase at elevated temperatures and in the presence of an acidic esterification catalyst, by feeding the (meth)acrylic acid, the alkanol and the acid catalyst continuously to a reaction zone, the reaction zone consists of a cascade of at least two reaction regions connected in series, and the discharge stream of one reaction region forms a feed stream of a downstream reaction region. The cascade may have from two to four reaction regions is spatially separated from one another.

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