Issue 11, 2012
From the journal:

Polymer Chemistry

Hydrogen bonded supramolecular polymers in protic solvents: role of multitopicity†

Marion Tharcis,ab   Thomas Breiner,c   Joël Belleney,ab   François Bouéd  and  Laurent Bouteiller*ab  

* Corresponding authors

a UPMC Univ Paris 06, UMR 7610, Chimie des Polymères, 75005 Paris, France
E-mail: laurent.bouteiller@upmc.fr

b CNRS, UMR 7610, Chimie des Polymères, 75005 Paris, France

c BASF ISIS, 8 Allée Gaspard Monge, 67083 Strasbourg, France

d Laboratoire Léon Brillouin, UMR 12 CNRS-CEA, 91191 Gif-sur-Yvette Cedex, France

Abstract

We describe the synthesis of macromolecular amphiphiles of various molar masses containing well-defined hydrophobic groups incorporating urea moieties. All compounds have the same proportion of associative hydrophobic groups and solubilising POE chains. However, a strong influence of both the number of associative groups per chain and the polydispersity is demonstrated. In water, where the interactions between stickers are strong, the monomer (bearing a single sticker) self-assembles into filaments, but all other compounds with more than one sticker per chain are insoluble. In methanol, where the interactions between stickers are weaker, neither the monomer nor the monodispersed dimer is assembled, whereas polydispersed chains with an average number of 2 or 3 stickers per chain self-assemble into filaments, leading to macroscopic gelation.

Graphical abstract: Hydrogen bonded supramolecular polymers in protic solvents: role of multitopicity

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Article information

DOI
https://doi.org/10.1039/C2PY20287E
Article type
Paper
Submitted
30 Apr 2012
Accepted
21 May 2012
First published
21 May 2012

Polym. Chem., 2012,3, 3093-3099

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Hydrogen bonded supramolecular polymers in protic solvents: role of multitopicity

M. Tharcis, T. Breiner, J. Belleney, F. Boué and L. Bouteiller, Polym. Chem., 2012, 3, 3093 DOI: 10.1039/C2PY20287E

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