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Inclusion of aramid chains into the layered silicates through solution intercalation route

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Abstract

Aramid–organoclay nanocomposites were fabricated through solution intercalation technique. Montmorillonite was modified with p-amino benzoic acid in order to have compatibility with the matrix. The effect of clay dispersion and the interaction between clay and polyamide chains on the properties of nanocomposites were investigated using X-ray diffraction (XRD), transmission electron microscopy (TEM), tensile testing of thin films, differential scanning calorimetry (DSC), thermogravimetric analysis (TGA) and water uptake measurements. Excessive clay dispersion was achieved even on the addition of high proportions of clay. The structural investigations confirmed the formation of delaminated nanostructures at low clay contents and disordered intercalated morphology at higher clay loadings. The tensile behavior and thermal stability significantly amplified while permeability reduced with increasing dispersibility of organoclay in the polyamide matrix.

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Acknowledgements

The authors appreciate the financial support provided by the Higher Education Commission of Pakistan (HEC) through project research grant 20-23-ACAD (R) 03-410. Sonia Zulfiqar is grateful to HEC for awarding her fellowship under “International Research Support Initiative Program” to pursue research work at Max Planck Institute for Polymer Research (MPI-P), Mainz, Germany. Special thanks are due to Prof. Dr. Gerhard Wegner, Director, MPI-P for providing the characterization facilities for the completion of this work.

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Authors and Affiliations

  1. Department of Chemistry, Quaid-i-Azam University, Islamabad, 45320, Pakistan

    Sonia Zulfiqar & Muhammad Ilyas Sarwar

  2. Department of Materials Science and Engineering, University of Delaware, Newark, 19716, USA

    Muhammad Ilyas Sarwar

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  1. Sonia Zulfiqar
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  2. Muhammad Ilyas Sarwar
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Correspondence to Muhammad Ilyas Sarwar.

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Zulfiqar, S., Sarwar, M.I. Inclusion of aramid chains into the layered silicates through solution intercalation route. J Incl Phenom Macrocycl Chem 62, 353–361 (2008). https://doi.org/10.1007/s10847-008-9478-5

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  • DOI: https://doi.org/10.1007/s10847-008-9478-5

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