Combined effects of cellulose nanocrystals and silver nanoparticles on the barrier and migration properties of PLA nano-biocomposites

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Title: Combined effects of cellulose nanocrystals and silver nanoparticles on the barrier and migration properties of PLA nano-biocomposites
Authors: Fortunati, Elena | Peltzer, Mercedes Ana | Armentano, Ilaria | Jiménez, Alfonso | Kenny, José María
Research Group/s: Análisis de Polímeros y Nanomateriales
Center, Department or Service: Universidad de Alicante. Departamento de Química Analítica, Nutrición y Bromatología
Keywords: Poly(lactic acid) | Nano-biocomposites | Cellulose nanocrystals | Silver nanoparticles | Barrier properties | Migration kinetics
Knowledge Area: Química Analítica
Issue Date: Sep-2013
Publisher: Elsevier
Citation: Journal of Food Engineering. 2013, 118(1): 117-124. doi:10.1016/j.jfoodeng.2013.03.025
Abstract: Poly(lactic acid) (PLA)-based high performance nano-biocomposites were prepared to be used in active food packaging. Pristine (CNC) and surfactant modified cellulose nanocrystals (s-CNC) with silver (Ag) nanoparticles were used as the matrix modifiers. Binary and ternary systems were prepared. Morphological investigations revealed the good distribution of silver nanoparticles in PLA ternary systems. The combination of s-CNC and Ag nanoparticles increased the barrier effect of the produced films while the results of overall migration for the PLA nano-biocomposites revealed that none of the samples exceeded the overall migration limit, since results were well below 60 mg kg−1 of simulant.
Sponsor: The authors gratefully acknowledge the financial support from the National Consortium of Materials Science and Technology (INSTM) and Spanish Ministry of Science and Technology (Project MAT2011-28640-C02-01).
URI: http://hdl.handle.net/10045/37889
ISSN: 0260-8774 (Print) | 1873-5770 (Online)
DOI: 10.1016/j.jfoodeng.2013.03.025
Language: eng
Type: info:eu-repo/semantics/article
Peer Review: si
Publisher version: http://dx.doi.org/10.1016/j.jfoodeng.2013.03.025
Appears in Collections:INV - NANOBIOPOL - Artículos de Revistas

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