Physicochemical and Mechanical Properties of Gelatin Reinforced with Nanocellulose and Montmorillonite

Organic rodlike cellulose nanocrystals extracted from sisal fibers and inorganic montmorillonite based on silicate layers were employed to develop bionanocomposites based on gelatin matrix. Bionanocomposites with cellulose nanocrystal, montmorillonite and both nanoreinforcements combined were charac...

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Bibliographic Details
Published in:Journal of renewable materials 2016-06, Vol.4 (3), p.206-214
Main Authors: Echegaray, Mercedes, Mondragon, Gurutz, Martin, Loli, González, Alba, Peña-Rodriguez, Cristina, Arbelaiz, Aitor
Format: Article
Language:English
Subjects:
Barrier Properties
Calorimetry
Cellulose
Cellulose fibers
Differential scanning calorimetry
Fourier analysis
Fourier transforms
Gelatin
Infrared analysis
Infrared spectroscopy
Mechanical properties
Montmorillonite
Nanocellulose
Nanocrystals
Oxygen
Permeability
Sisal
Tensile properties
Tensile strength
Thermogravimetric analysis
Water vapor
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Summary:Organic rodlike cellulose nanocrystals extracted from sisal fibers and inorganic montmorillonite based on silicate layers were employed to develop bionanocomposites based on gelatin matrix. Bionanocomposites with cellulose nanocrystal, montmorillonite and both nanoreinforcements combined were characterized by Fourier transform infrared spectroscopy, thermogravimetric analysis and differential scanning calorimetry. Tensile properties and oxygen and water vapor gas permeability values were determined to study the influence of the addition of nanoreinforcements, different in nature, to gelatin matrix. Bionanocomposites with montmorillonite improved tensile strength but systems reinforced with nanocellulose showed lower tensile strength than neat gelatin ones. Oxygen gas permeability values decreased for all bionanocomposites, especially for montmorillonite systems; however, after the incorporation of reinforcements water vapor permeability increased.
ISSN:2164-6325
2164-6341
DOI:10.7569/JRM.2016.634106