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Article Dans Une Revue Nanomaterials Année : 2012

Maghemite Intercalated Montmorillonite as New Nanofillers for Photopolymers

Résumé

In this work, maghemite intercalated montmorillonite (gamma Fe2O3-MMT)/polymer nanocomposites loaded with 1 or 2 wt.% of nanofillers were obtained by photopolymerization of difunctional acrylate monomers. The gamma Fe2O3-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-gamma Fe2O3-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.
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hal-04559927 , version 1 (25-04-2024)

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Bassam Tarablsi, Christelle Delaite, Jocelyne Brendle, Celine Croutxe-Barghorn. Maghemite Intercalated Montmorillonite as New Nanofillers for Photopolymers. Nanomaterials, 2012, 2 (4), pp.413-427. ⟨10.3390/nano2040413⟩. ⟨hal-04559927⟩
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