Abstract
Polystyrene (PSt) was grafted onto a thermoplastic polyurethane (TPU) through a combination of atom transfer radical polymerization and “grafting to” techniques to afford a TPU-g-PSt copolymer. The chemical structures of the synthesized polymers were characterized using Fourier transform infrared and proton nuclear magnetic resonance spectroscopies. The polymer/clay nanocomposite of the resultant TPU-g-PSt copolymer was fabricated through a solution intercalation approach. The powder X-ray diffraction and transmission electron microscopy studies revealed an intercalated structure for the fabricated TPU-g-PSt/clay nanocomposite. According to thermal property studies’ results, the fabricated TPU-g-PSt/clay nanocomposite exhibited higher thermal stability upon the addition of only a small amount (5 wt%) of organoclay.
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Acknowledgements
The authors gratefully acknowledge the partial financial support from Payame Noor University, Tehran, Iran, and Kermanshah University of Medical Sciences, Kermanshah, Iran.
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Abbasian, M., Seyyedi, M. & Jaymand, M. Modification of thermoplastic polyurethane through the grafting of well-defined polystyrene and preparation of its polymer/clay nanocomposite. Polym. Bull. 77, 1107–1120 (2020). https://doi.org/10.1007/s00289-019-02773-4
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DOI: https://doi.org/10.1007/s00289-019-02773-4