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Issue 45, 2012
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Complex coacervate micelles formed by a C18-capped cationic triblock thermoresponsive copolymer interacting with SDS

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Abstract

We report on a new route for creating multi-component micelles employing a specifically designed triblock copolymer, C18PEG10-block-NIPAAM54-block-(AMPTMA(+))16, combining hydrophobic and hydrophilic segments as well as a polyelectrolyte end block. By interaction with an oppositely charged surfactant (SDS), the block copolymer will co-assemble with SDS creating a core–shell particle with the core formed by the alkane chain together with densely packed surfactant micelles that are kept in place by the polyelectrolyte block. In order to maintain a stable particle, the corona of the structure is constructed by bent hydrophilic/neutral segments of the block copolymer. Turbidimetry and zeta-potential measurements were used to elucidate interactions with SDS and to measure the stability of the co-assembled structure, whereas small-angle neutron scattering and dynamic light scattering were used to identify structural details of these particles.

Graphical abstract: Complex coacervate micelles formed by a C18-capped cationic triblock thermoresponsive copolymer interacting with SDS

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Publication details

The article was received on 05 Jul 2012, accepted on 05 Sep 2012 and first published on 20 Sep 2012


Article type: Paper
DOI: 10.1039/C2SM26567B
Soft Matter, 2012,8, 11514-11525

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    Complex coacervate micelles formed by a C18-capped cationic triblock thermoresponsive copolymer interacting with SDS

    W. Wang, H. Mauroy, K. Zhu, K. D. Knudsen, A. Kjøniksen, B. Nyström and S. A. Sande, Soft Matter, 2012, 8, 11514
    DOI: 10.1039/C2SM26567B

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