Process for producing novel carboalkylated surface active agents

Details Process for producing novel carboalkylated surface active agents Process for producing novel carboalkylated surface active agents

1980-03-10

1981-12-08

Jiles, Henry R.

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

Organic compounds

Carboxylic acids and salts thereof

562565, 2604045, 252544, C07C10124, C07C10126

Patent

active

043049320

ABSTRACT:
The reaction of an imidazoline base of the formula: ##STR1## wherein R represents an aliphatic group comprising from 6 to 22 carbon atoms and R.sub.1 represents a substituted or unsubstituted alkyl or alkenyl group comprising 1 to 4 carbon atoms, with a carbo-alkylating agent is carried out in two stages. Initially the pH is maintained in the range 7 to 11 and subsequently it is maintained in the range 9 to 12.5. These conditions encourage at least part of the imidazoline to undergo alkylation followed by hydrolysis and further alkylation. The di alkylated amidoamines thus produced are believed to be novel. The reaction products are surfactants which exhibit very low skin irritancy and have a desirably low viscosity. They find particular application in shampoo formulations.

REFERENCES:
patent: 2528378 (1950-10-01), Mannheimer
patent: 2528380 (1950-10-01), Mannheimer
patent: 2773068 (1956-12-01), Mannheimer
patent: 3359275 (1967-12-01), Mannheimer
patent: 3359275 (1967-12-01), Mannheimer
patent: 3738996 (1973-06-01), Bloch et al.
patent: 4137245 (1979-01-01), Christiansen

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