Micellar structure of sodium acrylamidoundecanoate and its derivatives

Light scattering has been measured for aqueous NaCl and propanol solutions of the polymerizable surfactants with a reactive acrylamido group. The micelle aggregation numbers for these surfactants ranged from only 2 to 6 and their micellar diameters were less than 2 nm. The anomalous small size of th...

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Bibliographic Details
Published in:Colloids and surfaces 1991-12, Vol.61, p.75-81
Main Authors: Imae, Toyoko, Chew, Chwee-Har, Gan, Leong-Ming
Format: Article
Language:English
Subjects:
Chemistry
Colloidal state and disperse state
Exact sciences and technology
General and physical chemistry
Micelles. Thin films
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Summary:Light scattering has been measured for aqueous NaCl and propanol solutions of the polymerizable surfactants with a reactive acrylamido group. The micelle aggregation numbers for these surfactants ranged from only 2 to 6 and their micellar diameters were less than 2 nm. The anomalous small size of these micelles may be attributed to the hydrophilicity of the acrylamido group which is believed to be located close to the micellar surface. The fast rate of polymerization of these surfactants, leading to high molecular weight polysurfactants, can thus be accounted for by the proposed micellar structure.
ISSN:0166-6622
1873-4340
DOI:10.1016/0166-6622(91)80300-D