Characterization of Natural Fibre-based Nano-composite Materials: A Review
2022
Dattatreya M. Kadam | Amanpreet Kaur | Akansha Kasara
A composite material is produced from two (or more) distinct constituent materials with different physical and chemical properties, which together result in a material with entirely different properties. Natural biopolymer packaging leads to new product developments in the food packing and packaging industry, which includes carriers for functionally active substances, individual packaging of particulate foods and nutritional supplements. The nanocomposite material has a range of benefits in the extrusion procedure of bottles for dairy foods, fruit juices, beer and carbonated drinks in which it plays a role of oxygen barrier; or its layers to act as an enhancer of shelf life in variety of products such as cheese, cereals, processed meats, boil-in-bag foods and confectionary items. In order to utilize these benefits of nanocomposite material for a particular use, one needs to have an in-depth knowledge of the surface properties as well as internal structure, its chemical constituents and their interactions and its stability at high processing temperatures. Advanced instrumentation technologies like Field Emission Scanning Electron Microscopy (FE-SEM), Transmission electron microscopy (TEM), Atomic Force Microscopy (AFM), Fourier Transform Infrared Spectroscopy (FTIR), Thermogravimetric analyses (TGA), Nuclear Magnetic resonance (NMR) help researchers in examining all these characteristics for its specific application. The present review is focused on characterization of cellulosic fibres and cellulose nanocrystals derived from agricultural waste. This analysis also helps to understand the processes and changes accompanied with the process in these characteristics during production of cellulosic fibres and cellulose nano-crystals from agricultural waste.
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