High viscosity microemulsions

Details High viscosity microemulsions High viscosity microemulsions

1983-03-07

1984-09-18

Lovering, Richard D.

Compositions

Oxidative bleachant, oxidant containing, or generative

Composition containing a stabilizer or a product in the form...

25218724, 252312, 252 855D, 252DIG13, 166274, 166275, 424170, 424171, B01J 1300, C01B 1106, C01B 1501

Patent

active

044722915

ABSTRACT:
An oil-in-water microemulsion of increased viscosity is disclosed, which microemulsion comprises an aqueous continuous phase, an oil phase, a primary surfactant having a lipophilic moiety and a hydrophilic moiety, wherein the hydrophilic moiety carries an electrostatic charge and a cosurfactant. The viscosity is increased by adding a secondary surfactant which is characterized by a long chain lipophilic moiety and a charged hydrophilic moiety which is reactive with the charged hydrophilic moiety of the primary surfactant. In forming the microemulsion of increased viscosity, the microemulsion is formed first in the absence of the secondary surfactant, and the secondary surfactant is added thereto.

REFERENCES:
patent: 3778381 (1973-12-01), Rosano et al.
patent: 3998733 (1976-12-01), Blanchard et al.
patent: 4146499 (1979-03-01), Rosano
patent: 4271907 (1981-06-01), Gale
patent: 4337163 (1982-06-01), Schilp
patent: 4353806 (1982-10-01), Canter et al.

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