Development and characterization of polyvinyl alcohol stabilized polylactic acid/ZnO nanocomposites

I. Restrepo, N. Benito, C. Medinam, R. V. Mangalaraja, P. Flores, S. Rodriguez-Llamazares

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

The present work is focused on the development of polylactic acid/ZnO (PLA/ZnO) polymer nanocomposite through a melt blending route. Previously, the ZnO nanoparticles were coated with polyvinyl alcohol (PVA) via a solvothermal method. The morphology of PVA coated ZnO nanostructures and the formation of polymer nanocomposites were identified through transmission electron microscopy analysis. Thermogravimetric analysis showed that PVA coated ZnO(c) nanoparticles incorporated into the PLA matrix exhibited better thermal stability, suggesting that PVA could be acting as a strong stabilizing agent for ZnO nanoparticles. The tensile strength, elastic modulus, strain at maximum strength and the maximum strain were extracted through stress-strain relations.

Original languageEnglish
Article number105019
JournalMaterials Research Express
Volume4
Issue number10
DOIs
StatePublished - Oct 2017
Externally publishedYes

Keywords

  • ZnO nanoparticles
  • melt blending, polylactic acid
  • nanocomposites

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