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dc.contributor.authorÁvila, Adelaida-
dc.contributor.authorBierbrauer, Karina-
dc.contributor.authorPucci, Graciela-
dc.contributor.authorLópez-González, Mar-
dc.contributor.authorStrumia, Miriam-
dc.date.accessioned2012-05-17T11:53:57Z-
dc.date.available2012-05-17T11:53:57Z-
dc.date.issued2012-
dc.identifier.citationJournal of Food Engineering 109 (4) : 752–761 (2012)es_ES
dc.identifier.issn0260-8774-
dc.identifier.urihttp://hdl.handle.net/10261/49803-
dc.description.abstractAcrylic acid (AcAc) and 2-hydroxyethyl methacrylate (HEMA) were graft copolymerized onto the chitosan backbone using radical initiation under different experimental conditions. The grafted products were then characterized by FTIR, TGA, grafting and swelling index (%G and Q, respectively), Mechanical properties and biodegradability were determined. The study of the properties of the grafted films demonstrated a marked influence of the concentration of acrylic monomers, time and temperature on the %G. In addition, both grafted films (CH-g-HEMA and CH-g-AcAc) showed a noticeable difference in their mechanical behavior. CH-g-HEMA stands the highest deformation for longer periods in relation to smaller strain values, whereas CH-g-AcAc shows better tension strain but lower deformation. Therefore, CH-g- HEMA films have a vast potential for food biodegradable covering characterized by their mechanical properties, non-toxicity and biodegradability.es_ES
dc.language.isoenges_ES
dc.publisherElsevieres_ES
dc.rightsclosedAccesses_ES
dc.subjectChitosanes_ES
dc.subjectHEMAes_ES
dc.subjectGrafted filmses_ES
dc.subjectFood biodegradable coveringes_ES
dc.titleStudy of optimization of the synthesis and properties of biocomposite films based on grafted chitosanes_ES
dc.typeartículoes_ES
dc.identifier.doi10.1016/j.jfoodeng.2011.11.009,-
dc.description.peerreviewedPeer reviewedes_ES
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.jfoodeng.2011.11.009,es_ES
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