PLA/metal oxide biocomposites for antimicrobial packaging application

The effects of metal oxide addition in polylactic acid (PLA) film were investigated in this study. PLA/Metal Oxide biocomposites were prepared by solvent casting method. The incorporation of metal oxide resulted in no chemical structure change of neat PLA. PLA/ZnO and PLA/MgO exhibited the widest in...

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Bibliographic Details
Published in:Polymer-plastics technology and engineering 2020-08, Vol.59 (12), p.1332-1342
Main Authors: Ghozali, Muhammad, Fahmiati, Sri, Triwulandari, Evi, Restu, Witta Kartika, Farhan, Donny, Wulansari, Marli, Fatriasari, Widya
Format: Article
Language:English
Subjects:
Antimicrobial
Biomedical materials
Composite materials
Metal oxides
Polylactic acid
polylactid acid
Tensile strength
Thermal degradation
Titanium dioxide
Zinc oxide
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Summary:The effects of metal oxide addition in polylactic acid (PLA) film were investigated in this study. PLA/Metal Oxide biocomposites were prepared by solvent casting method. The incorporation of metal oxide resulted in no chemical structure change of neat PLA. PLA/ZnO and PLA/MgO exhibited the widest inhibition while PLA/TiO 2 resulted in the smallest inhibition zone. The addition of metal oxides caused fracture and void on the surface of PLA. The addition of metal oxide into PLA films decreased the tensile strength at the concentration higher than 0.1 per hundred resin (phr). Incorporation of metal oxides accelerated the thermal degradation of PLA and tends to increase the biodegradability of PLA.
ISSN:2574-0881
0360-2559
2574-089X
1525-6111
DOI:10.1080/25740881.2020.1738475