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TitleRheological and thermal characteristics of wheat gluten biopolymers plasticized with glycerol
Author(s)Ferreira, Shana Pires
Ruiz, Walter
Gaspar-Cunha, A.
KeywordsWheat gluten
Issue date2012
PublisherSociedade Brasileira de Química
JournalQuímica Nova
Abstract(s)The objective this work was to obtain bioplastics from mixtures of wheat gluten and glycerol by two different processes and evaluate their respective rheological properties. The mixtures and their respective bioplastics were obtained through direct batch mixing under approximately adiabatic and isothermal conditions. The bioplastics showed high values for the storage (G’) and loss (G’’) moduli, suggesting a stronger protein network formed in both processes. The temperature onset and the percentage of weight loss to be estimated were found to be near in both bioplastics. The bioplastics have demonstrated to be materials of interesting potential of use as biodegradable barrier materials.
ISSN0100-4042 (impresso)
1678-7064 (on-line)
AccessOpen access
Appears in Collections:IPC - Artigos em revistas científicas internacionais com arbitragem

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