Process for the production of surface-active anionic surfactant

Details Process for the production of surface-active anionic surfactant Process for the production of surface-active anionic surfactant

1996-03-11

1997-06-10

Lieberman, Paul

Cleaning compositions for solid surfaces, auxiliary compositions

Cleaning compositions or processes of preparing

Heterogeneous arrangement

510452, 510457, 510469, 510488, 510491, 510495, 510470, 510475, 510536, 252353, 252354, 252356, 2523671, 159 44, 159 481, C11D 1102, B01D 118

Patent

active

056375603

ABSTRACT:
A process for the production of wetting-, washing- or cleaning-active anionic surfactant salts by reacting inorganic or organic bases with anionic surfactant intermediates containing hydrophilic negatively charged groups attached to hydrophobic hydrocarbon radicals. The salts are combined in a spray which is introduced into an inert gas phase of superheated steam whereby the spray is at least partly dried. In an embodiment of the process, the anionic surfactant intermediates are neutralized during the spraying step to form the salts.

REFERENCES:
patent: 4171243 (1979-10-01), Brooks et al.
patent: 4376010 (1983-03-01), Gauvin
patent: 4415489 (1983-11-01), Kiczek et al.
patent: 4919847 (1990-04-01), Barletta et al.
patent: 5189207 (1993-02-01), Blasey et al.
patent: 5431780 (1995-07-01), Raehse et al.
patent: 5536430 (1996-07-01), Fues et al.
Gehrman "Entwicklungstendenzen der Trocknungstechnik in der chemischen" Chem.-Ing-Tech. 62 (1990), Nr. 10, Seiten pp. 512-520.

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