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Functionalized Nanoparticles for Composite Polymer Electrolyte

Published online by Cambridge University Press:  01 February 2011

Gilles Toussaint ,
Catherine Henrist ,
Christophe Detrembleur ,
Robert Jerome  and
Rudi Cloots
Gilles Toussaint
Affiliation:
[email protected], universite de liege, chemistry, allee de la chimie, batiment b6a, liege, 4000, Belgium, +3243663438
Catherine Henrist
Affiliation:
[email protected], University of Liege, Chemistry, Allee de la chimie, batiment b6a, Liege, 4000, Belgium
Christophe Detrembleur
Affiliation:
[email protected], University of Liege, Chemistry, Allee de la chimie, batiment b6a, Liege, 4000, Belgium
Robert Jerome
Affiliation:
[email protected], University of Liege, Chemistry, Allee de la chimie, batiment b6a, Liege, 4000, Belgium
Rudi Cloots
Affiliation:
[email protected], University of Liege, Chemistry, Allee de la chimie, batiment b6a, Liege, 4000, Belgium
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Abstract

The covalent grafting of low-molecular weight poly(ethylene glycol) (PEG) onto high surface silica nanoparticles (Cab-O-Sil EH5) has been accomplished by a multi-step reaction. Reaction involved PEG attachment by epoxide-terminated ring opening of a sylilation agent previously grafted. A maximum grafting density of 0.42 PEG per nm2 has been determined by thermogravimetric analysis (TGA). Differential scanning (DSC) calorimetry confirmed the modification of silica after reaction. Infra-Red (IR) analysis and Carbon-13 Magic Angle Spinning Nuclear Magnetic Resonance (13C MAS NMR) confirmed PEG fixation and opening of the epoxide ring.

Keywords

polymernanostructuresurface chemistry
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1006: Symposium R – Transport Behavior in Heterogeneous Polymeric Materials and Composites , 2007 , 1006-R05-02
Copyright
Copyright © Materials Research Society 2007

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