Issue 16, 2012
From the journal:

Soft Matter

Tuning micellar morphology and rheological behaviour of metallo-supramolecular micellar gels

Jérémy Brassinne,†a   Clément Mugemana,†a   Pierre Guillet,‡a   Olivier Bertrand,a   Dietmar Auhl,a   Christian Bailly,a   Charles-André Fustin*a  and  Jean-François Gohy*a  

* Corresponding authors

a Institute of Condensed Matter and Nanosciences (IMCN), Bio- and Soft Matter (BSMA), Université catholique de Louvain (UCL), Louvain-la-Neuve, Belgium
E-mail: jean-francois.gohy@ uclouvain.be, charles-andre.fustin@uclouvain.be
Fax: +32 1047 9269
Tel: +32 1047 9269

Abstract

Well-defined polystyrene-block-poly(tert-butylacrylate) diblock copolymers end-functionalized by a terpyridine ligand (PS-b-PtBA-[) were synthesized by nitroxide mediated polymerization (NMP) in the presence of an initiator bearing a terpyridine moiety. These materials were then hierarchically organized over two levels of self-assembly to yield metallo-supramolecular micellar gels. The first level of self-assembly is the formation of micelles in the dilute regime. Spherical or cylindrical micelles were obtained depending on the block copolymer composition as well as the method of preparation. The second level of self-assembly was triggered upon addition of Ni(II) ions to the concentrated micellar solutions. Rotational rheometry was used to probe the impact of the micellar morphology and the presence of a co-solvent on the mechanical properties of the gel.

Graphical abstract: Tuning micellar morphology and rheological behaviour of metallo-supramolecular micellar gels

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Article information

DOI
https://doi.org/10.1039/C2SM07442G
Article type
Paper
Submitted
22 Dec 2011
Accepted
02 Feb 2012
First published
06 Mar 2012

Soft Matter, 2012,8, 4499-4506

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Tuning micellar morphology and rheological behaviour of metallo-supramolecular micellar gels

J. Brassinne, C. Mugemana, P. Guillet, O. Bertrand, D. Auhl, C. Bailly, C. Fustin and J. Gohy, Soft Matter, 2012, 8, 4499 DOI: 10.1039/C2SM07442G

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