Process for the continuous preparation of...

Details Process for the continuous preparation of... Process for the continuous preparation of...

C - Chemistry, Metallurgy

07

C

C07C 51/16 (2006.01) C07C 51/305 (2006.01) C07C 53/126 (2006.01) C07C 57/03 (2006.01)

Patent

CA 2128648

Abstract Process for the continuous preparation of relatively high-molecular-weight carboxylic acids The oxidation of olefins having from 16 to 70 carbon atoms by means of chromic/sulfuric acid in a single-stage or multistage process in at least one reactor having a narrow residence time spectrum enables the preparation of carboxylic acid mixtures. These can be processed with monoalcohols or polyols such as glycol, glycerol, trimethylolpropane, pentaerythritol or sorbitol to give esters and partial esters or mixtures of such esters. Reaction with basic oxides or metal hydroxides can be used to prepare the corresponding soaps of the carboxylic acids by direct reaction or by trans-precipitation. Reaction with amines or aminoalcohols gives the amides, amidoesters and aminoesters. These products have a pale colour, good thermal stability and a wide range of applications.

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