Process for the sulfation of partial esters of aliphatic...

Details Process for the sulfation of partial esters of aliphatic... Process for the sulfation of partial esters of aliphatic...

C - Chemistry, Metallurgy

07

C

260/465.2

C07C 303/24 (2006.01) C07B 45/02 (2006.01)

Patent

CA 1297886

HOE 87/E 916 J Abstract of the disclosure Process for the sulfation of partial esters of aliphatic polyhydric alcohols A process for the sulfation of primary free OH groups of partial esters of aliphatic polyhydric alcohols with SO3 is described. As solvent, use is made of at least one compound which has a boiling point of 40 to 200°C at a pressure of 98 kPa, is liquid under the chosen reaction conditions and, in addition to at least one trivalent nit- rogen atom, which is linked exclusively to carbon atoms, contains only carbon, hydrogen and optionally ether oxygen atoms. The sulfated partial esters and also their alkali or alkaline earth salts are obtained with a good color and good yield and without the formation of large quanti- ties of salts which pollute the waste water. They may be used, for example, for detergent base materials, synthetic soaps and flotation agents.

551657

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