Perfluoroalkyl-alkylene branched amphoteric sulfato betaines

Details Perfluoroalkyl-alkylene branched amphoteric sulfato betaines Perfluoroalkyl-alkylene branched amphoteric sulfato betaines

1982-12-29

1984-03-06

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

544158, 546102, 546104, 546172, 546336, 546338, 546339, 546340, 546246, 546247, 546248, C07C14100, C07C14102

Patent

active

044353308

ABSTRACT:
Amphoteric branched sulfatobetaines of the formula ##STR1## wherein R.sub.f is perfluoroalkyl or perfluoroxyperfluoroalkyl; R.sub.1 is a direct bond or a divalent connecting group; R.sub.2, R.sub.3, and R.sub.4 are independently hydrogen or lower alkyl; R.sub.5, R.sub.6 and R.sub.7 are independently lower alkyl, and R.sub.6 may additionally represent aralkyl, and R.sub.6 and R.sub.7 taken together with the nitrogen to which they are attached may also represent piperidino or morpholino and R.sub.5, R.sub.6 and R.sub.7 taken together may also represent pyridyl, acridyl or quinolyl and salts thereof, their preparation and use as surfactants are disclosed.

REFERENCES:
patent: 4098811 (1978-07-01), Falk
patent: 4209456 (1980-06-01), Billenstein et al.
patent: 4381980 (1983-05-01), Ballschuh et al.

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