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Comparison of In Situ Polymerization and Solution-Dispersion Techniques in the Preparation of Polyimide/Montmorillonite (MMT) Nanocomposites

1
Department of Chemistry, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
2
Advanced Materials and Nanotechnology Laboratory, Institute of Advanced Technology (ITMA), Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
3
Department of Chemistry, Islamic Azad University Behbahan Branch, University Street, Behbahan, 6361713198, Iran
4
Department of Mechanical and Manufacturing Engineering, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2011, 12(9), 6040-6050; https://doi.org/10.3390/ijms12096040
Received: 25 July 2011 / Accepted: 30 August 2011 / Published: 19 September 2011
(This article belongs to the Section Materials Science)
In this paper, Polyimide/Montmorillonite Nanocomposites (PI/MMT NCs), based on aromatic diamine (4-Aminophenyl sulfone) (APS) and aromatic dianhydride (3,3',4,4'-benzophenonetetracarboxylic dianhydride) (BTDA) were prepared using in situ polymerization and solution-dispersion techniques. The prepared PI/MMT NCs films were characterized by X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), transmission electron microscopy (TEM) and thermogravimetric analysis (TGA). The XRD results showed that at the content of 1.0 wt % Organo Montmorillonite (OMMT) for two techniques and 3.0 wt % OMMT for the in situ polymerization technique, the OMMT was well-intercalated, exfoliated and dispersed into polyimide matrix. The OMMT agglomerated when its amount exceeded 10 wt % and 3.0 wt % for solution-dispersion and in situ polymerization techniques respectively. These results were confirmed by the TEM images of the prepared PI/MMT NCs. The TGA thermograms indicated that thermal stability of prepared PI/MMT NCs were increased with the increase of loading that, the effect is higher for the samples prepared by in situ polymerization technique. View Full-Text
Keywords: polyimide; Organo Montmorillonite; nanocomposites; in situ polymerization; solution-dispersion polyimide; Organo Montmorillonite; nanocomposites; in situ polymerization; solution-dispersion
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MDPI and ACS Style

Ahmad, M.B.; Gharayebi, Y.; Salit, M.S.; Hussein, M.Z.; Shameli, K. Comparison of In Situ Polymerization and Solution-Dispersion Techniques in the Preparation of Polyimide/Montmorillonite (MMT) Nanocomposites. Int. J. Mol. Sci. 2011, 12, 6040-6050. https://doi.org/10.3390/ijms12096040

AMA Style

Ahmad MB, Gharayebi Y, Salit MS, Hussein MZ, Shameli K. Comparison of In Situ Polymerization and Solution-Dispersion Techniques in the Preparation of Polyimide/Montmorillonite (MMT) Nanocomposites. International Journal of Molecular Sciences. 2011; 12(9):6040-6050. https://doi.org/10.3390/ijms12096040

Chicago/Turabian Style

Ahmad, Mansor Bin; Gharayebi, Yadollah; Salit, Mohd. Sapuan; Hussein, Mohd. Zobir; Shameli, Kamyar. 2011. "Comparison of In Situ Polymerization and Solution-Dispersion Techniques in the Preparation of Polyimide/Montmorillonite (MMT) Nanocomposites" Int. J. Mol. Sci. 12, no. 9: 6040-6050. https://doi.org/10.3390/ijms12096040

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