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Nanomaterials 2012, 2(4), 413-427; doi:10.3390/nano2040413
Article

Maghemite Intercalated Montmorillonite as New Nanofillers for Photopolymers

1,2
,
1
,
2,*  and 1
1 Laboratoire de Photochimie et d'Ingénierie Macromoléculaires, Ecole Nationale Supérieure de Chimie de Mulhouse, Université de Haute-Alsace, 3 rue A. Werner, 68093 Mulhouse Cedex, France 2 Equipe Matériaux à Porosité Contrôlée, Institut de Science des Matériaux de Mulhouse, LRC-CNRS 7228, Ecole Nationale Supérieure de Chimie de Mulhouse, Université de Haute-Alsace, 3 rue A. Werner, 68093 Mulhouse Cedex, France
* Author to whom correspondence should be addressed.
Received: 31 August 2012 / Revised: 31 October 2012 / Accepted: 8 November 2012 / Published: 19 November 2012
(This article belongs to the Special Issue Composite Nanomaterials)
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Abstract

In this work, maghemite intercalated montmorillonite (γFe2O3-MMT)/polymer nanocomposites loaded with 1 or 2 wt.% of nanofillers were obtained by photopolymerization of difunctional acrylate monomers. The γFe2O3-MMT nanofillers were prepared by a new method based on the in situ formation of maghemite in the interlayer space of Fe-MMT using a three step process. X-ray diffraction (XRD), chemical analysis, TG/DTA and transmission electron microscopy (TEM) characterization of these nanofillers indicated the efficiency of the synthesis. When following the kinetics of the photopolymerization of diacrylate-γFe2O3-MMT nanocomposites using FTIR spectroscopy no significant inhibition effect of the nanofillers was observed at a loading up to 2 wt.%. These innovative nanocomposites exhibit improved mechanical properties compared to the crude polymer.
Keywords: montmorillonite; ion exchange; maghemite; nanocomposites; photopolymerization montmorillonite; ion exchange; maghemite; nanocomposites; photopolymerization
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Tarablsi, B.; Delaite, C.; Brendle, J.; Croutxe-Barghorn, C. Maghemite Intercalated Montmorillonite as New Nanofillers for Photopolymers. Nanomaterials 2012, 2, 413-427.

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