In-situ preparation of poly(2-ethyl-2-oxazoline)/clay nanocomposites via living cationic ring-opening polymerization

Umut Ugur Ozkose, Cagatay Altinkok, Ozgur Yilmaz, Onur Alpturk, Mehmet Atilla Tasdelen*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)


The present study reports for the first time the preparation of poly(2-ethyl-2-oxazoline)/clay nanocomposites. The tosyl-functionalized montmorillonite clay is utilized as initiator for the living cationic ring-opening polymerization of 2-ethyl-2-oxazoline, which triggers the delamination of silicate layers in the polymer matrix and leading to nanocomposite formation. The living nature of the polymerization has been confirmed by kinetic studies. The morphology and thermal properties of nanocomposite have been evaluated using X-ray diffraction, transmission electron microscopy, differential scanning calorimeter and thermogravimetric analysis. All nanocomposite samples have a mixed exfoliated/intercalated silicate layers and an improved thermal stability compared to pure poly(2-ethyl-2-oxazoline).

Original languageEnglish
Pages (from-to)586-593
Number of pages8
JournalEuropean Polymer Journal
Publication statusPublished - 1 Mar 2017

Bibliographical note

Publisher Copyright:
© 2016 Elsevier Ltd


  • Cationic ring-opening polymerization
  • Living polymerization
  • Nanocomposites
  • Organoclay
  • Polyoxazolines


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