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Issue 11, 2012
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Designing the head group of CO2-triggered switchable surfactants

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Abstract

The synthesis of a small library of nitrogen-based CO2-switchable cationic surfactants with different head groups is described. These switchable surfactants can be switched on by addition of CO2 and switched off by the removal of CO2. The structure of the switchable head group affects the surfactant's basicity, solubility, heat of protonation, rate and extent of switching, and ability to reversibly stabilize and demulsify oil–water emulsions.

Graphical abstract: Designing the head group of CO2-triggered switchable surfactants

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Article information


Submitted
05 Dec 2011
Accepted
25 Mar 2012
First published
27 Apr 2012

RSC Adv., 2012,2, 4925-4931
Article type
Paper

Designing the head group of CO2-triggered switchable surfactants

L. M. Scott, T. Robert, J. R. Harjani and P. G. Jessop, RSC Adv., 2012, 2, 4925
DOI: 10.1039/C2RA01242A

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