Surfactant composition, and concentrate and emulsion including s

Details Surfactant composition, and concentrate and emulsion including s Surfactant composition, and concentrate and emulsion including s

1979-03-12

1981-03-17

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

210925, 252 495, 252 79, 252356, B01J 1300, B01F 1736

Patent

active

042566053

ABSTRACT:
Compositions useful as surfactants in the emulsification of oils in aqueous media are obtained by blending two types of polyester which are the products of condensation of an alk(en)yl succinic anhydride with a polyalkylene glycol, the one type being derived from an anhydride in which the alk(en)yl group contains 40-500 carbon atoms, e.g. polyisobutenyl succinic anhydride, and the other type being derived from an anhydride in which the alk(en)yl group contains 8-18 carbon atoms, e.g. dodecenyl succinic anhydride. The compositions are superior in effect to either type of polyester separately, in enabling emulsions of high stability to be produced with a low energy input.

REFERENCES:
patent: 2993773 (1961-07-01), Stromberg
patent: 3045042 (1962-07-01), Staker
patent: 3057890 (1962-10-01), De Groote
patent: 3255108 (1966-06-01), Wiese
patent: 3996134 (1976-12-01), Osborn et al.

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