摘要 |
To obtain highly sulphated fatty acids, hydroxy fatty acids or oxalkylated hydroxy fatty acids, the reaction mixture obtained from the sulphatation of unsaturated fatty acid esters and/or saturated hydroxy fatty acid esters and/or oxalkylated hydroxy fatty acid esters is neutralized, separated if necessary from the brine, diluted with water and hydrolysed at a temperature between 20 DEG C and 160 DEG C after addition of a quantity of lye whose molar content is not greater than that of the organically bound sulphuric acid. After separation of the phases containing the non-sulphated starting products and the highly sulphated fatty acids, the latter are isolated from the aqueous phase. |
申请人 |
CHEMISCHE FABRIK STOCKHAUSEN GMBH, 47805 KREFELD, DE |
发明人 |
PEPPMOELLER, REINMAR, DIPL.-CHEM. DR., 4150 KREFELD, DE;DAHMEN, KURT, DIPL.-CHEM. DR., 4050 MOENCHENGLADBACH, DE |