Preparation of surfactants

Details Preparation of surfactants Preparation of surfactants

1982-08-25

1984-01-03

Siegel, Alan

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260505A, 260505S, 260507R, 260512R, 260512C, 208 11R, C07C14324, C07C14352, C07C14342

Patent

active

044241690

ABSTRACT:
Surfactants, or surface active agents, may be prepared by treating oil shale with an aromatic compound such as benzene, toluene, etc. in the presence of a Friedel Crafts catalyst such as aluminum chloride at temperatures up to the reflux temperature of the aromatic compound. Thereafter, the alkylated product is separated from any excess aromatic compound and oil shale, sulfonated by treatment with a sulfonating agent such as sulfur trioxide and neutralized to produce the desired surfactant.

REFERENCES:
patent: 4177207 (1979-12-01), Nussbaum et al.

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