Studies on the Synthesis and the Applications of Polyalkylene Glycol Derivatives. XII.

Synthesis and Surface Active Properties of Tertiary Ether Amines

Abstract

Tertiary ether amines were prepared and their surface active properties were discussed.
The synthesis of the tertiary ether amines is as follows.
* Halogenation of polyethylene glycol monoalkyl ether.
* N-alkylation of monoethanol amine with the halogenated products.
* Synthesis of the tertiary amines having three same chaines of alcoxy ethyl group.
The surface active properties such as surface tension, foaming property, wetting power, dispersing power and emulsifying power, were measured and the influence of the number of moles of ethoxy group was discussed.
The tertiary ether amines in the hydrochloric acid solution are good surfactants with very low foaming property and good wetting power.
The values of surface tension increase with the increase in the number of the moles of ethoxy group, and on wetting power the values decrease.
On dispersing power there exists an optimal number of moles of the ethoxy group.