Reference : Core-Shell-Corona Micelles by PS-b-P2VP-b-PEO Copolymers: Focus on the Water-Induced ...
Scientific journals : Article
Engineering, computing & technology : Materials science & engineering
Physical, chemical, mathematical & earth Sciences : Chemistry
http://hdl.handle.net/2268/4793
Core-Shell-Corona Micelles by PS-b-P2VP-b-PEO Copolymers: Focus on the Water-Induced Micellization Process
English
Willet, Nicolas [University of Liège (ULg) > Department of Chemistry > Center for Education and Research on Macromolecules (CERM) > >]
Gohy, Jean-François [Université catholique de Louvain (UCL) > > Chemistry of Inorganic and Organic Materials Unit (CMAT) > > >]
Auvray, Loïc [CEA Saclay, France > > Laboratoire Léon Brillouin (LLB) > >]
Varshney, Sunil [Polymer Source Incorporated, Dorval (Montreal), Canada > > > >]
Jérôme, Robert mailto [University of Liège (ULg) > Department of Chemistry > Center for Education and Research on Macromolecules (CERM) > >]
Leyh, Bernard mailto [University of Liège (ULg) > Department of Chemistry > Laboratoire de dynamique moléculaire > >]
1-Apr-2008
Langmuir
American Chemical Society
24
7
3009-3015
Yes (verified by ORBi)
International
0743-7463
1520-5827
Washington
DC
[en] self-assembly in solution ; micelle ; stimuli responsive micelle
[en] It is now well established that amphiphilic PS-b-P2VP-b-PEO linear triblock copolymers can form multilayered assemblies, thus core-shell-corona (CSC) micelles, in water. Micellization is triggered by addition of a small amount of water into a dilute solution of the PS-b-P2VP-b-PEO copolymer in a non-selective organic solvent. However, the phenomena that take place at the very beginning of this process are poorly documented. How these copolymer chains are perturbed by addition of water was investigated in this work by light and neutron scattering techniques and transmission electron microscopy. It was accordingly possible to determine the critical water concentration (CWC), the compactness of the nano-objects in solution, their number of aggregation, and their hydrodynamic diameter at each step of the micellization process.
Center for Education and Research on Macromolecules (CERM)
Politique Scientifique Fédérale (Belgique) = Belgian Federal Science Policy ; Commission européenne
Researchers
http://hdl.handle.net/2268/4793
10.1021/la702180c
http://pubs.acs.org/doi/pdf/10.1021/la702180c

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