Hydraulic drag reducing agents for low temperature applications

Details Hydraulic drag reducing agents for low temperature applications Hydraulic drag reducing agents for low temperature applications

1991-11-06

1992-09-01

Willis, Jr., Prince

Compositions

Electrolytes for electrical devices

252 493, 137 13, C10M17302

Patent

active

051436353

ABSTRACT:
Heat exchange fluids have improved flow characteristics at low temperature by incorporation of specific surfactant drag reducing compositions. The drag reducing composition comprises (1) a quaternary ammonium surfactant and (2) a preferably stoichiometric or greater amount of an organic counterion. The counterion is preferably 2,6-dihydroxybenzoate which contains a negatively charged head group substituent and a hydroxyl group in both adjacent positions.

REFERENCES:
patent: 4615825 (1986-10-01), Teot

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