Friction reduction using a viscoelastic surfactant

Details Friction reduction using a viscoelastic surfactant Friction reduction using a viscoelastic surfactant

1981-10-30

1986-10-07

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

71DIG1, 137 13, 252 805, 252 34, 252 77, 252 781, 252357, 252 851, 406 48, B01F 1718

Patent

active

046158251

ABSTRACT:
The friction exhibited by a flowing aqueous liquid containing a viscoelastic surfactant can be further reduced by adding to the aqueous liquid an organic electrolyte capable of associating with the surfactant ion of the viscoelastic surfactant. For example, the friction exhibited by an aqueous liquid containing cetyl trimethylammonium salicylate can be further reduced by the addition of sodium salicylate to the liquid. The resulting aqueous liquid systems exhibiting the reduced friction are shear stable and useful in a wide variety of applications.

REFERENCES:
patent: 2541816 (1951-02-01), Glarum et al.
patent: 3361213 (1968-01-01), Savins
Gravsholt: "Viscoelasticity in Highly Dilute Aqueous Solutions of Pure Cationic Detergents", J. of Coll. and Interface Sci., 57(3), pp. 575-577 (1976).

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