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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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Publication details

The article was received on 05 Dec 2011, accepted on 25 Mar 2012 and first published on 27 Apr 2012


Article type: Paper
DOI: 10.1039/C2RA01242A
Citation: RSC Adv., 2012,2, 4925-4931
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    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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