Nano-Rheological Behaviour of Cassava Starch-Zinc Nanocomposite Film under Dynamic Loading for High Speed Transportation of Packaged Food

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dc.contributor.authorAdeshina Fadeyibi
dc.contributor.authorZinash D. Osunde
dc.contributor.authorGbabo Agidi
dc.contributor.authorEvans C. Egwim
dc.contributor.authorPeter A. Idah
dc.date.accessioned2023-07-14T12:37:20Z
dc.date.available2023-07-14T12:37:20Z
dc.date.issued2016
dc.description.abstractThis research was undertaken to determine the nano–rheological behaviours of cassava starch–zinc–nanocomposite films under dynamic loading for assessing their suitability as food packaging materials in high speed transportation. The films, with thickness ranging between 15 ± 0.22–17 ± 0.13 μm, were prepared by casting mixtures of 24 g cassava starch, 45–55% (w/w) glycerol and 0–2% (w/w) zinc nanoparticles in plastic moulds of 8–12 mm depths. The effects of the nanoparticles, thickness and glycerol on the rheological properties of the films, including the Young’s modulus, creep, hardness and plasticity index were determined using nanoindentation technique. The results show that the Young’s modulus and hardness of the films varied inconsistently with glycerol concentration and nanoparticles due probably to their isotropic nature and sensitivity to slight change in load. The plasticity index was lower for 15 μm film, which absorbed 40 pNm and dissipated 0.5 pNm during loading and unloading stages, respectively. The response of the 15 μm film to creep was higher than 16 μm and 17 μm films, and this may be consequence of lower wear at higher loads. This implies that the nanocomposite film might be suitable for high speed transportation of packaged food.
dc.identifier.doi10.5772/64984
dc.identifier.urihttps://kwasuspace.kwasu.edu.ng/handle/123456789/261
dc.relation.ispartofComposites from Renewable and Sustainable Materials
dc.titleNano-Rheological Behaviour of Cassava Starch-Zinc Nanocomposite Film under Dynamic Loading for High Speed Transportation of Packaged Food
dc.typebook-chapter
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