Use of statistical copolymers

C - Chemistry – Metallurgy – 08 – F

Patent

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Details

C08F 220/00 (2006.01)

Patent

CA 2554335

The invention relates to the use of statistical copolymers, comprising at least one structural unit with hydrophobic groups and at least one structural unit with hydrophilic groups, as emulsifiers, in particular, for the synthesis of nanoparticles and a production method for such particles with the steps a) production of an inverse emulsion containing one or several water-soluble precursors for the nanoparticles, or a melt, from a statistical copolymer of one monomer with hydrophobic groups and at least one monomer with hydrophilic groups and b) the generation of particles.

Utilisation de copolymères statistiques contenant au moins une unité structurale ayant des restes hydrophobes et au moins une unité structurale ayant des restes hydrophiles en tant qu'émulsifiants, en particulier pour la synthèse de nanoparticules. La présente invention concerne également un procédé de production desdites particules selon lequel, dans l'étape (a), une émulsion inverse contenant un ou plusieurs précurseurs hydrosolubles des nanoparticules ou une masse fondue est préparée à l'aide d'un copolymère statistique produit à partir d'au moins un monomère ayant des restes hydrophobes et d'au moins un monomère ayant des restes hydrophiles, et dans l'étape (b), des particules sont produites.

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