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Polymer Bulletin
Erschienen in: Polymer Bulletin 6/2014

01.06.2014 | Original Paper

Non-isothermal crystallization kinetics of TiO2 nanoparticle-filled poly(ethylene terephthalate) with structural and chemical properties

verfasst von: Harshita Agrawal, Kamlendra Awasthi, Vibhav K. Saraswat

Erschienen in: Polymer Bulletin | Ausgabe 6/2014

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Abstract

The present research work includes non-isothermal crystallization kinetics of poly(ethylene terephthalate) (PET)–titanium dioxide (TiO2) nanocomposites as well as structural and chemical properties of these nanocomposites. The average grain size of chemically synthesized TiO2 nanoparticles has been calculated 19.31 nm by TEM and XRD. The morphology and structural analysis of PET–TiO2 nanocomposites, prepared via solution casting method, has been investigated using SEM and XRD, respectively. The nature of chemical bonds has been discussed on the basis of FTIR spectra. The effect of TiO2 nanoparticles and cooling rates on non-isothermal crystallization kinetics of PET was examined by differential scanning calorimetry at various heating and cooling rates. It has been observed that TiO2 nanoparticles accelerate the heterogeneous nucleation in PET matrix. The crystallization kinetics could be explained through Avrami–Ozawa combined theory. TiO2 nanoparticles cause to make molecular chains of PET easier to crystallize and accelerate the crystallization rates during non-isothermal crystallization process; this conclusion has also been verified by Kissinger model for crystallization activation energy.
Vorheriger Artikel Preparation and reticulation of styrene acrylic/epoxy complex latex
Nächster Artikel Synthesis of 9H-carbazole-9-carbothioic methacrylic thioanhydride, electropolymerization, characterization and supercapacitor applications

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Metadaten
Titel
Non-isothermal crystallization kinetics of TiO2 nanoparticle-filled poly(ethylene terephthalate) with structural and chemical properties
verfasst von
Harshita Agrawal
Kamlendra Awasthi
Vibhav K. Saraswat
Publikationsdatum
01.06.2014
Verlag
Springer Berlin Heidelberg
Erschienen in
Polymer Bulletin / Ausgabe 6/2014
Print ISSN: 0170-0839
Elektronische ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-014-1140-3

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