The effect on Solution Properties of Replacing a Hydrogen Atom with a Methyl Group in a Surfactant
Journal article, 2015

Two surfactants, namely, dodecanoylglycinate and dodecanoylsarcosinate, differing only in a methyl group vs. a hydrogen atom on the amide nitrogen, have been studied with respect to solution behavior and adsorption at the air-water, oil-water and calcium carbonate-water interfaces. It was found that the ability of the glycinate surfactant of forming intermolecular hydrogen bonds via the amide group leads to tighter molecular packing, which greatly influenced the behavior at interfaces. Based on this molecular observation, potential applications were considered and emulsification, foaming and wetting tests were carried out. It could be concluded from this work that a minor change in the structure of a surfactant molecule can be very significant for technological systems and processes.

Wetting

Foam

Emulsion

Dodecanoylglycinate

Dodecanoylsarcosinate

Author

Nirav Raykundaliya

Dharmsinh Desai University

Romain Bordes

Chalmers, Chemistry and Chemical Engineering, Applied Chemistry, Applied Surface Chemistry

SuMo Biomaterials

Krister Holmberg

Chalmers, Chemistry and Chemical Engineering, Applied Chemistry, Applied Surface Chemistry

Jun Wu

Columbia University in the City of New York

Ponisseril Somasundaran

Columbia University in the City of New York

Dinesh O Shah

Dharmsinh Desai University

University of Florida

Tenside, Surfactants, Detergents

0932-3414 (ISSN)

Vol. 52 5 369-374

Subject Categories

Chemical Engineering

Other Chemical Engineering

Other Chemistry Topics

Chemical Sciences

Areas of Advance

Materials Science

DOI

10.3139/113.110387

More information

Created

10/7/2017