摘要:
A process for the production of basic magnesium sul phonates comprising carbonating a mixture containing
(a) an oil soluble sulphonate or sulphonic acid (b) a stoichiometric excess of a magnesium oxide above that required to react with (a). (c) a hydrocarbon solvent (d) water (e) a C 3 to C 6 ketone (f) one or more reaction promoters selected from the ■ group consisting of carboxylic acids or salts thereof, amines, C 4 to C 6 diketones.