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

Maghemite Intercalated Montmorillonite as New Nanofillers for Photopolymers

2,*  and 1
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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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 which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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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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