Liquid-water displacement composition

Details Liquid-water displacement composition Liquid-water displacement composition

1977-12-08

1980-01-08

Lovering, Richard D.

Compositions

Humidostatic, water removive, bindive, or emissive

252153, 252545, 252DIG17, C09K 318

Patent

active

041826876

ABSTRACT:
Liquid-water displacement composition consisting essentially of a normally liquid chlorofluorocarbon having at least two carbon atoms, a boiling point of at least about 28.degree. C., a density of at least about 1.3 grams/cc at 20.degree. C. and a solubility parameter of less than about 8 and such an amount of surfactant dissolved therein as to impart water displacement characteristics to the composition, said surfactant being soluble in a water displacing amount in said normally liquid chlorofluorocarbon and being a tetraalkyl ammonium compound having a water extractability from the composition of not more than 30 weight %, preferably not more than 10 weight %, most preferably not more than 5 weight %, the cationic moiety of the surfactant being of the formula

REFERENCES:
patent: 3314892 (1967-04-01), Graham
patent: 3386181 (1968-06-01), Steinacker
patent: 3397150 (1968-08-01), Burt et al.
patent: 3503890 (1970-03-01), Davisson et al.
patent: 3903012 (1975-09-01), Brandreth
patent: 3962798 (1976-06-01), Jackson

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