Synthesis and Properties of Sodium Mono-alkylamide Maleate Surfactants

Author:

Han Fu,Xu Bao-cai,Qu Zhi-qiang,Zhou Ya-wen,Zhang Gui-ju

Abstract

Abstract The synthesis of a series of sodium mono-alkylamide maleate surfactants was described, and the surface activity properties of the surfactants were studied. The mono-alkylamide maleic acids were synthesized by amidation using primary aliphatic amine (lauryl, myristyl, cetyl) and maleic anhydride as starting material. They were structurally characterized by IR, 1H-NMR and MS. The sodium mono-alkylamide maleate surfactants were prepared by neutralization of the precursor mono-alkylamide maleic acids with sodium hydroxide. They reduced the surface tension of water to 32–34 mN · m–1 at concentration levels of 10–4–10–3 mol · L–1.

Publisher

Walter de Gruyter GmbH

Subject

Condensed Matter Physics,General Chemical Engineering,General Chemistry

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