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• Delaite, C
• Brendle, J
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• Brendle, J
• Croutxe-Barghorn, C

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

Article

Maghemite Intercalated Montmorillonite as New Nanofillers for Photopolymers

Bassam Tarablsi ^1,2 , Christelle Delaite ¹ , Jocelyne Brendle ^2,*  and Celine Croutxe-Barghorn 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; in revised form: 31 October 2012 / Accepted: 8 November 2012 / Published: 19 November 2012

(This article belongs to the Special Issue Composite Nanomaterials)

Download PDF Full-Text [624 KB, uploaded 19 November 2012 13:59 CET]

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

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