Search results for " Surface properties"

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Surface, mechanical and barrier properties of bio-based composite films based on chitosan and whey protein

2014

Mono-component and composite bilayer and blend films composed of chitosan and whey protein were made. Colour, microstructure, water contact angles, swelling, water vapour sorption, barrier properties (oxygen, water vapour), water vapour diffusion coefficients and mechanical properties were determined. The influence of water vapour on barrier properties was studied in relation to the surface and structural properties. Mono-component and bilayer films were transparent with a homogeneous surface. Contrarily, blend films were translucent. Bilayer films had significantly lower water vapour permeability in comparison to mono-component and blend films. In all bilayer films, the air side (chitosan)…

Microbiology (medical)Whey proteinMaterials sciencePolymers and PlasticsBilayerComposite numbertechnology industry and agriculturefood and beveragesBilayer films ; Chitosan ; whey protein ; oxygen peremability ; surface properties ; microstructureMicrostructureBiomaterialsChitosanContact anglechemistry.chemical_compoundOxygen permeabilitychemistrymedicineSwellingmedicine.symptomComposite materialSafety Risk Reliability and QualityFood ScienceFood Packaging and Shelf Life

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PEPhysical Sciences and Engineering
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