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Issue 3, 2006
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Aqueous suspension of amphiphilic diblock copolymernanoparticles prepared in situ from a water-soluble poly(sodium acrylate) alkoxyamine macroinitiator

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Abstract

The simple, one step synthesis of aqueous suspensions of amphiphilic nanoparticles is presented. Those particles are prepared in the batch heterophase polymerization of styrene or n-butyl acrylate, using a water-soluble poly(sodium acrylate) alkoxyamine macroinitiator. The nitroxide-mediated controlled growth of the hydrophobic block leads to the formation of poly(sodium acrylate)-b-polystyrene or poly(sodium acrylate)-b-poly(n-butyl acrylate) amphiphilic diblock copolymers, able to self-assemble in water simultaneously to the growth step. When the diblock copolymers become strongly asymmetrical, with a short poly(sodium acrylate) block and a long hydrophobic one, the formed hairy nanoparticles are analogous to amphiphilic diblock copolymer crew-cut micelles.

Graphical abstract: Aqueous suspension of amphiphilic diblock copolymer nanoparticles prepared in situ from a water-soluble poly(sodium acrylate) alkoxyamine macroinitiator

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Article information


Submitted
27 Oct 2005
Accepted
05 Jan 2006
First published
20 Jan 2006

Soft Matter, 2006,2, 223-231
Article type
Paper

Aqueous suspension of amphiphilic diblock copolymer nanoparticles prepared in situ from a water-soluble poly(sodium acrylate) alkoxyamine macroinitiator

G. Delaittre, J. Nicolas, C. Lefay, M. Save and B. Charleux, Soft Matter, 2006, 2, 223
DOI: 10.1039/B515267D

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