Fluorinated sulphobetaines and compositions containing the same

Details Fluorinated sulphobetaines and compositions containing the same Fluorinated sulphobetaines and compositions containing the same

1980-03-24

1983-05-17

Lovering, Richard D.

Compositions

Fire-extinguishing

Foam-stabilizant or colloid-stabilizant containing

252355, 252DIG7, 26050112, A62D 100, B01F 1724, B01F 1726, C07C14376

Patent

active

043839290

ABSTRACT:
A fluorinated sulphobetaine compound of the general formula ##STR1## wherein R.sub.F represents a straight-chained or branched perfluorinated aliphatic chain C.sub.n F.sub.2n+1 (n being an integer between 1 and 20), a is an integer between 0 and 10, X is CO or SO.sub.2, p is an integer between 0 and 10, R.sub.1 is a hydrogen atom or an alkyl group containing 1 to 6 carbon atoms, R.sub.2 and R.sub.3 are each alkyl radicals containing 1 to 6 carbon atoms, and Z is a bivalent organic group; and fire extinguishing compositions comprising such fluorinated sulphobetaine compounds.

REFERENCES:
patent: 3258423 (1966-06-01), Tuve et al.
patent: 3562156 (1971-02-01), Francen
patent: 3941705 (1976-03-01), Foulletier et al.
patent: 3950417 (1976-04-01), Verdicchio et al.
patent: 4099574 (1978-07-01), Cooper et al.
Barnhurst: "Dipolar Ions Related to Taurine", J. Org. Chem. 1961, 26, pp. 4520-4522.
Parris et al.: Soap-Based Detergent Formulations: XII. Alternate Syntheses of Surface Active Sulfobetaines", J. Of Amer. Oil Chem. Soc. 1976, 53, pp. 60-63.
Parris et al.: Soap-Based Detergent Formulation: XXIV. Sulfobetaine Derivatives of Fatty Amides", J. of Amer. Oil Chem. Soc. 1977, 54, pp. 294-296.

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