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Innovative composite films of chitosan, methylcellulose, and nanoparticles

Mura, Stefania and Corrias, Francesco and Stara, Giuseppe and Piccinini, Massimo and Secchi, Nicola and Marongiu, Daniela and Innocenzi, Plinio and Irudayaraj, Joseph and Greppi, Gianfranco (2011) Innovative composite films of chitosan, methylcellulose, and nanoparticles. Journal of Food Science, Vol. 76 (7), N54-N60. eISSN 1750-3841. Article.

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DOI: 10.1111/j.1750-3841.2011.02295.x

Abstract

Plastic is readily available and inexpensive, so it is becoming the main material for packaging. Unfortunately plastics do not biodegrade and, if reduced in small pieces, contaminate soil and waterways. In the present work, natural films composed of chitosan, methylcellulose, and silica (SiO2) nanoparticles (NPs) were developed as new packaging materials. The effect of the incorporation of NPs into the polymeric film matrix was evaluated. An excellent improvement of the mechanical properties was obtained for nanostructured films with a composition of CH:MC 50:50 and NPs 1% w/v that make these materials able to replace plastics and derivatives, reducing environmental pollution.

Item Type:Article
ID Code:6994
Status:Published
Refereed:Yes
Uncontrolled Keywords:Chitosan, methylcellulose, nanostructured films, packaging, silica nanoparticles
Subjects:Area 09 - Ingegneria industriale e dell'informazione > ING-IND/22 Scienza e tecnologia dei materiali
Area 07 - Scienze agrarie e veterinarie > AGR/19 Zootecnica speciale
Divisions:001 Università di Sassari > 01 Dipartimenti > Scienze zootecniche
002 Altri enti e centri di ricerca del Nord Sardegna > INSTM-Consorzio Interuniversitario Nazionale per la Scienza e la Tecnologia dei Materiali, Unità di ricerca di Sassari
001 Università di Sassari > 02 Centri > Centro interdipartimentale Nucleo di ricerca sulla desertificazione
002 Altri enti e centri di ricerca del Nord Sardegna > Porto Conte Ricerche, Alghero > Prion Diagnostica
001 Università di Sassari > 01 Dipartimenti > Architettura e pianificazione
Publisher:Blackwell / Wiley
eISSN:1750-3841
Copyright Holders:© Institute of Food Technologists®
Deposited On:20 Jan 2012 10:44

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