Sustainable options to traditional plastic packaging are receiving growing consideration as industries search round financial system options and renewable materials sources. On this article, Tommaso Bellesia, Daniele Carullo, Andrea Fachin, Maral Soltanzadeh, Masoud Ghaani, Giorgio Innocenzo Ascrizzi, Laura Piazza, and Stefano Farris examine the potential of microfibrillated cellulose (MFC) obtained from agri-food waste streams and plant residues as high-performance supplies for meals packaging purposes.
The authors produced MFC dispersions from big cane, Posidonia oceanica seagrass, and occasional silverskin utilizing high-pressure homogenization and in contrast the ensuing movies with a commercially obtainable cellulose-based packaging materials. An in depth characterization of the dispersions and movies was carried out, together with rheological, mechanical, optical, barrier, floor, and morphological analyses.
On this article, atomic pressure microscopy (AFM) confirmed the profitable manufacturing of microfibrillated cellulose buildings with common fibril diameters under 100 nm. The ensuing movies demonstrated wonderful oxygen barrier efficiency, excessive stiffness, robust tensile properties, and efficient UV-shielding capabilities. Among the many investigated supplies, movies produced from espresso silverskin exhibited significantly promising efficiency, highlighting the potential of changing agricultural by-products into value-added packaging supplies.
To analyze movie floor topography, AFM measurements had been carried out involved resonance amplitude imaging mode utilizing a NanoWorld Arrow-FMR AFM probe. The AFM probe encompasses a rectangular cantilever with a triangular free finish and a tetrahedral tip with a typical radius of curvature of roughly 10 nm. With a spring fixed of two.8 N/m and a resonance frequency of 75 kHz, the Arrow-FMR AFM probe enabled detailed nanoscale characterization of movie morphology and floor roughness.
The examine demonstrates how AFM evaluation utilizing a NanoWorld AFM probe contributes to understanding the connection between cellulose microstructure and the purposeful efficiency of sustainable packaging supplies. The outcomes additional help the event of renewable, high-performance cellulosic skinny movies derived from waste biomass sources.
Full quotation:
Bellesia, T.; Carullo, D.; Fachin, A.; Soltanzadeh, M.; Ghaani, M.; Ascrizzi, G. I.; Piazza, L.; Farris, S.
Microfibrillated cellulose movies from agri-food wastes and plant residues for meals packaging purposes – A comparative investigation.
Meals Packaging and Shelf Life 2026, 54, 101728.
https://doi.org/10.1016/j.fpsl.2026.101728
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