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Mechanism of Intercalation Extent in Polymer/Clay Nanocomposites

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Abstract

The mechanism of the intercalation and the expansion of the interlayer distance of nanoclays due to the penetration of polymeric chains is studied using X-ray diffraction as a function of temperature. Poly(trimethylene terephthalate) (PTT) and poly(trimethylene naphthalate) (PTN) belonging to the polyester family were chosen for the formation of nanocomposites with the layered structure nanoclays. The PTN contains the polymorphism (α-form and β-form) with respect to the temperature. In case of PTT/nanoclay composites, the relative increase in the intercalation extent is found with increasing the temperature. For PTN/nanoclay composite, the intercalation extent is relatively decreased by increasing the temperature due to the fact that thermodynamically and kinetically the transformation of α- to β-form is favored instead of the expansion of nanoclay’s interlayer distance.

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Authors and Affiliations

  1. School of Chemical and Materials Engineering, National University of Sciences and Technology, H-12, Islamabad, 44000, Pakistan

    Ahmad Nawaz Khan & Aneela Hayder

  2. National Synchrotron Radiation Research Center, Hsinchu, 300, Taiwan

    Wei-Tsung Chuang

Authors
  1. Ahmad Nawaz Khan
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  2. Aneela Hayder
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  3. Wei-Tsung Chuang
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Correspondence to Ahmad Nawaz Khan.

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Khan, A.N., Hayder, A. & Chuang, WT. Mechanism of Intercalation Extent in Polymer/Clay Nanocomposites. Arab J Sci Eng 40, 3373–3377 (2015). https://doi.org/10.1007/s13369-015-1845-0

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  • DOI: https://doi.org/10.1007/s13369-015-1845-0

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