FIELD: production of surfactants. SUBSTANCE: desired derivative have formula R-C4-C6-alkyl, m1 and m2 are 0.1, A represents ethyleneoxy- or propyleneoxy group, p is 0.5, 1.0, 1.4, 1.5 or 1.8. Y is ethyl or propyl, r is 0.1, M is alkaline metal. EFFECT: improves regeneration of oil. 5 tbl
Authors
Dates
1996-12-10—Published
1991-04-02—Filed