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Open AccessArticle

Assessment on the Effects of ZnO and Coated ZnO Particles on iPP and PLA Properties for Application in Food Packaging

Institute of Polymers, Composites and Biomaterials (IPCB), Consiglio Nazionale delle Ricerche (CNR), Via Campi Flegrei 34, Pozzuoli (Na) 80078, Italy
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Academic Editor: Stefano Farris
Coatings 2017, 7(2), 29; https://doi.org/10.3390/coatings7020029
Received: 15 November 2016 / Revised: 9 January 2017 / Accepted: 8 February 2017 / Published: 17 February 2017
This paper compares the properties of iPP based composites and PLA based biocomposites using 5% of ZnO particles or ZnO particles coated with stearic acid as filler. In particular, the effect of coating on the UV stability, thermostability, mechanical, barrier, and antibacterial properties of the polymer matrix were compared and related to the dispersion and distribution of the loads in the polymer matrix and the strength of the adhesion between the matrix and the particles. This survey demonstrated that, among the reported systems, iPP/5%ZnOc and PLA/5%ZnO films are the most suitable active materials for potential application in the active food packaging field. View Full-Text
Keywords: isotactic polypropylene; polylactic acid; zinc oxide; stearic acid; properties; composites; antibacterial activity; active food packaging isotactic polypropylene; polylactic acid; zinc oxide; stearic acid; properties; composites; antibacterial activity; active food packaging
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Marra, A.; Rollo, G.; Cimmino, S.; Silvestre, C. Assessment on the Effects of ZnO and Coated ZnO Particles on iPP and PLA Properties for Application in Food Packaging. Coatings 2017, 7, 29.

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