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Morphological investigation of maleic anhydride-grafted nitrile/nanoclay nanocomposites

Zemzem, Mohamed, Vinches, Ludwig et Halle, Stéphane. 2022. « Morphological investigation of maleic anhydride-grafted nitrile/nanoclay nanocomposites ». Materials Research Express, vol. 9, nº 8.

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The dispersion and orientation of three different montmorillonite clay nanoparticles embedded in nitrile-based nanocomposites were examined in the current study. Maleic anhydride was grafted onto a nitrile structure for the purpose of enhancing compatibility, and the resulting nanocomposites were investigated. The grafting of maleic anhydride seemed to have a pronounced effect, leading the structure to a near-exfoliation state. Using energy dispersive x-ray spectrometer, the state of distribution of layered silicate clusters in the nanocomposite was assessed, and it was observed that maleic anhydride provided a reduction in the size of agglomerations and enhanced the homogeneity of the system. The intercalation and delamination of the layered silicates over grafting were validated by transmission electron microscopy. Inter-lamellar spacing measurements were found to correlate perfectly with x-ray data. On the other hand, the alignment of the clay nanoparticles was examined by small angle x-ray scattering. A 3D-orientation approach was developed based on the scattering stereographs.

Item Type: Peer reviewed article published in a journal
Hallé, Stéphane
Affiliation: Génie mécanique
Date Deposited: 01 Sep 2022 14:27
Last Modified: 03 Oct 2022 19:47

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