|Publisher DOI:||10.1016/j.carbpol.2018.04.076||Title:||Pectin-based nanocomposite aerogels for potential insulated food packaging application||Language:||English||Authors:||Nešić, Aleksandra
|Keywords:||Aerogels;Food packaging;Nanocomposite;Pectin;TiO(2)||Issue Date:||1-Sep-2018||Source:||Carbohydrate polymers (195): 128-135 (2018-09-01)||Journal or Series Name:||Carbohydrate polymers||Abstract (english):||Environmental-friendly pectin-TiO2 nanocomposite aerogels were prepared via sol-gel process and subsequent drying under supercritical conditions. The first step includes dissolution of pectin in water, addition of proper amount of TiO2 colloid and crosslinking reaction induced in the presence of tert-butanol and zinc ions. Then, the gels are subjected to the solvent exchange and supercritical CO2 drying. The influence of TiO2 nanoparticles on the textural, mechanical, thermal and antibacterial properties of aerogels was investigated. Results indicate that in the presence of TiO2 nanoparticles (NPs) mechanical, thermal and antimicrobial properties of pectin-based aerogels are improved in comparison to the control pectin aerogels. It should be emphasized that the thermal conductivity of pectin-based aerogels (0.022-0.025 W m-1 K-1) is lower than the thermal conductivity of air. Generally, the results propose that the pectin-TiO2 nanocomposite aerogels, as bio-based material, might have potential application for the storage of temperature-sensitive food.||URI:||http://hdl.handle.net/11420/2411||ISSN:||0144-8617||Institute:||Thermische Verfahrenstechnik V-8||Type:||(wissenschaftlicher) Artikel|
|Appears in Collections:||Publications without fulltext|
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