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SANS study of micellar aggregation of multi-headed surfactants

Aswal, VK and Haldar, J and Goyal, PS and Bhattacharya, S (2002) SANS study of micellar aggregation of multi-headed surfactants. In: Applied Physics A: Materials Science & Processing, 74 . pp. 352-354.

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We report the aggregation properties of recently synthesised novel single-chain surfactants bearing one, two and three head groups. Small-angle neutron-scattering studies in aqueous solutions of these surfactants indicate that the extent of aggregate growth of these micelles dramatically decreases with the increase in the number of head groups. It is also seen that, unlike single-headed surfactants where the micelles grow on addition of salts (KBr and sodium salicylate), the sizes of the micelles of multi-head-group surfactants are independent of these additives. These studies show that the micellar properties of surfactants could be remarkably influenced by manipulation of the charge densities at the head groups.

Item Type: Journal Article
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Additional Information: Copyright of this article belongs to Springer.
Department/Centre: Division of Chemical Sciences > Organic Chemistry
Date Deposited: 23 Nov 2009 09:07
Last Modified: 19 Sep 2010 05:26
URI: http://eprints.iisc.ernet.in/id/eprint/18966

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