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      Poly(epsilon caprolactone)/clay nanocomposites via host-guest chemistry

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      Author(s)
      Arslan, M.
      Tasdelen, M. A.
      Uyar, Tamer
      Yagci, Y.
      Date
      2015
      Source Title
      European Polymer Journal
      Print ISSN
      0014-3057
      Publisher
      Elsevier Ltd
      Volume
      71
      Pages
      259 - 267
      Language
      English
      Type
      Article
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      Abstract
      Cyclodextrin-modified montmorillonite (MMT-CD) has been prepared from commercial montmorillonite clay (Closite 30B) containing two hydroxyl groups by reacting succinic anhydride through esterification. Poly(epsilon caprolactone) (PCL)/clay nanocomposites are prepared by host-guest chemistry between MMT-CD as host and PCL, hydrophobic polymer as guest. The structures of the intermediates and final nanocomposite are investigated in detail by FT-IR XRD, TEM, DSC and TGA measurements. The intercalated/exfoliated morphologies are determined by combined XRD and TEM analyses. Thermal stabilities of all nanocomposites are improved by the addition of MMT-CD compared to the neat polymer. The DSC data confirm that the crystallinity of PCL is slightly increased by increasing clay loading. © 2015 Elsevier Ltd. All rights reserved.
      Keywords
      Cyclodextrin
      Host-guest chemistry
      Nanocomposites
      Organoclay
      Ring-opening polymerization
      Self-assembly
      Clay minerals
      Cyclodextrins
      Intercalation
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      http://hdl.handle.net/11693/21270
      Published Version (Please cite this version)
      http://dx.doi.org/10.1016/j.eurpolymj.2015.08.006
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      • Institute of Materials Science and Nanotechnology (UNAM) 2098
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