Synthetic detergents of the ampholytic betaine type, process for

Details Synthetic detergents of the ampholytic betaine type, process for Synthetic detergents of the ampholytic betaine type, process for

1973-11-28

1976-05-04

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260615R, 260615B, 252527, 252546, 252DIG7, 252DIG11, C07C10104

Patent

active

039548457

ABSTRACT:
Synthetic detergents of the ampholytic betaine type are provided, having a 2-hydroxy propylene ether group attached to the nitrogen atom of the betaine; the 2-hydroxy propylene ether group optionally can include a plurality of oxyalkylene units. The process for preparing these betaines easily and inexpensively involves reaction of an alcohol or hydroxy compound with epichlorohydrin to form the corresponding chloroglyceryl ether, which can be aminated and quaternized either in two stages, by reaction of a dialkyl amine and a straight or branched halogenated carboxylic acid, or in one stage by reaction of an amino acid. Detergent compositions containing these betaines are also provided.

REFERENCES:
patent: 2217846 (1940-10-01), Othner et al.
patent: 2781380 (1957-02-01), Mannheimer
patent: 3555079 (1971-01-01), Marumo et al.
patent: 3623988 (1971-11-01), Weimer
patent: 3636114 (1972-01-01), Tobler et al.
patent: 3649677 (1972-03-01), Morris
patent: 3689470 (1972-09-01), Shachat

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