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Authors
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Shekari, M. ; Mousavi, S. R. ; Golriz, M. ; Bolourian, A. ; Grivani, G.H. ; Wagenknecht, U. ; Jafari, S.H. ; Khonakdar, H.A.
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Title
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Effect of re-modified nanoclays on the extent of transesterification in poly (ethylene terephthalate)/poly (ethylene 2,6-naphthalenedicarboxylate) blend nanocomposites
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Date
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22.06.2022
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Number
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60661
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Abstract
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In the present work, the extent of transesterification reaction was investigated in the poly (ethylene terephthalate) /poly (ethylene 2,6-naphthalenedicarboxylate) (PET/PEN) (90/10 and 75/25 w/w) blends filled with three nanofillers, i.e., an organo-modified nanoclay (NC), a transition metal ion re-modified NC (TMI-NC), and a [3-(glycidyloxy)propyl]trimethoxysilane re-modified NC (GPTMS-NC). FTIR test confirmed the successful re-modification of NC. The results of the wide-angle X-ray scattering (WAXS) test revealed that the PET/PEN (75/25 w/w) blend containing 3 phr TMI-NC indicated the best intercalation. Also, the proton nuclear magnetic resonance (1 H NMR) demonstrated that the extent of transesterification was decreased by incorporating the nanofillers into the PET/PEN blend. The 75/25 blend containing 3 phr GPTMS-NC showed the highest decrement. In addition, thermogravimetric analysis (TGA) revealed that the 75/25 blend containing 3 phr TMI-NC showed the best thermal stability.
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Publisher
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Materials Today Communications
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Wikidata
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Citation
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Materials Today Communications 32 (2022) 103872
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DOI
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https://doi.org/10.1016/J.MTCOMM.2022.103872
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