Saturated fluoroalkylamines and their derivatives, and mixtures

Details Saturated fluoroalkylamines and their derivatives, and mixtures Saturated fluoroalkylamines and their derivatives, and mixtures

1995-06-07

1997-07-15

Burn, Brian M.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

562520, C07C 5114

Patent

active

056485271

ABSTRACT:
New saturated fluoroalkylamines and carboxyalkylbetaines and alkylsulfobetaines derived therefrom, and mixtures containing the new fluoroalkylamines and mixtures containing the new fluorobetaines are described. The saturated fluoroalkylamines conform to the formula below ##STR1## in which n is an integer from 3 to 17 and R.sup.1 and R.sup.2 are C.sub.1 to C.sub.4 -alkyl, C.sub.1 to C.sub.4 -hydroxyalkyl or hydrogen, with the proviso that only one of the two substituents R.sup.1 and R.sup.2 is hydrogen. The carboxyalkylbetaines and sulfobetaines and the mixtures thereof are highly effective products for reducing the surface tension of water/air systems and the interfacial tension of water/hydrocarbon systems.

REFERENCES:
patent: 3535381 (1970-10-01), Hauptschein et al.
patent: 4059629 (1977-11-01), Foulletier et al.
patent: 4183367 (1980-01-01), Goebel et al.
patent: 4430272 (1984-02-01), Ehrl et al.
patent: 4853141 (1989-08-01), Durual et al.
patent: 4859357 (1989-08-01), Germanaud et al.
patent: 5240990 (1993-08-01), Kallfass et al.

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