Alkanol alkoxylate preparation

Details Alkanol alkoxylate preparation Alkanol alkoxylate preparation

1982-04-07

1983-08-02

Mars, Howard T.

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

Organic compounds

Oxygen containing

568121, C07C 4103

Patent

active

043967795

ABSTRACT:
A process for the preparation of alkanol alkoxylates, useful as nonionic surfactants, comprises steps for alkoxylating one or more alkanols having carbon number in the range from 8 to 18 by reaction with one or more alkylene oxides having carbon number in the range from 2 to 4 under alkaline pH and in the presence of one or more soluble compounds of calcium, and neutralizing the resulting alkoxylation mixture by addition thereto of an acid selected from the group consisting of propionic acid, benzoic acid, and mixtures thereof. The products are characterized by a single liquid phase of low viscosity.

REFERENCES:
patent: 3000963 (1961-09-01), Speranza
patent: 4282387 (1981-08-01), Olstowski

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