Journal of Thermal Analysis and Calorimetry

, Volume 118, Issue 2, pp 661–668 | Cite as

Thermal, morphological, and mechanical properties of ethyl vanillin immobilized in polyvinyl alcohol by electrospinning process

  • Steva Lević
  • Nina Obradović
  • Vladimir Pavlović
  • Bojana Isailović
  • Ivana Kostić
  • Miodrag Mitrić
  • Branko Bugarski
  • Viktor Nedović
Article

Abstract

In this study, polyvinyl alcohol (PVA) nanofibers with ethyl vanillin as an active compound were prepared using electrospinning technique. The final products of electrospinning process were in the form of nanofibers films. PVA/ethyl vanillin nanofibers, having fibers diameters in the range 100–1700 nm, were successfully electrospun from ethanol/water mixture of PVA and ethyl vanillin. The effects of immobilization process on ethyl vanillin thermal properties were investigated by differential scanning calorimetry (DSC). The results of DSC showed significant influence of immobilization process on thermal properties of ethyl vanillin. It was noticed that melting point of immobilized ethyl vanillin was lower (~55 °C) compared to free flavor (~77 °C). Our results showed that films based on PVA/ethyl vanillin nanofibers are mechanically stable.

Keywords

Polyvinyl alcohol Ethyl vanillin Electrospinning DSC Nanofibers 

Notes

Acknowledgements

This work was supported by the Ministry of Education, Science and Technological Development, Republic of Serbia (Project Nos. III46001, III46010 and OI172057).

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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2014

Authors and Affiliations

  • Steva Lević
    • 1
  • Nina Obradović
    • 2
  • Vladimir Pavlović
    • 1
  • Bojana Isailović
    • 3
  • Ivana Kostić
    • 3
  • Miodrag Mitrić
    • 4
  • Branko Bugarski
    • 3
  • Viktor Nedović
    • 1
  1. 1.Faculty of AgricultureUniversity of BelgradeBelgrade-ZemunSerbia
  2. 2.Institute of Technical Sciences-SASABelgradeSerbia
  3. 3.Faculty of Technology and MetallurgyUniversity of BelgradeBelgradeSerbia
  4. 4.Institute of Nuclear Science VinčaUniversity of BelgradeBelgradeSerbia

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