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Title: Dispersion of inorganic fillers in polymeric matrices for food packaging applications
Authors: Bugatti, Valeria
Ciambelli, Paolo
Vittoria, Vittoria
Keywords: Release;LDH;Food packaging
Issue Date: 14-Jun-2012
Publisher: Universita degli studi di Salerno
Abstract: The objective of this PhD project regards the formulation, preparation and characterization of polymeric materials in which lamellar inorganic solids containing potentially active molecules are dispersed. In particular the present work was aimed at the preparation and characterization of "Active Food Packaging Materials" using inorganic fillers modified with active molecules (antimicrobials, antioxidants) dispersed in polymeric matrices for the realization of: 1) Materials with improved barrier properties to gases and vapors 2) Systems for controlled release of active molecules, act to protect and extend the shelf life of food products. Two techniques of dispersion of active inorganic fillers in polymer matrices have been used, generating: 1) polymeric nanocomposites 2) coatings of polymeric surfaces. A screening of different polymers, from biodegradable and thermoplastic to natural, was done to compare the effect of the fillers and of the dispersion technique on the properties mentioned above.[edited by author]
Description: 2010 - 2011
Appears in Collections:Ingegneria chimica

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