Trends and challenges in the development of bio-based barrier coating materials for paper/cardboard food packaging; a review

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A2 Katsausartikkeli tieteellisessä aikakauslehdessä
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Science of the Total Environment, Volume 851, issue Part 2
Currently, petroleum-based synthetic plastics are used as a key barrier material in the paper-based packaging of several food and nonfood goods. This widespread usage of plastic as a barrier lining is not only harmful to human and marine health, but it is also polluting the ecosystem. Researchers and food manufacturers are focused on biobased alternatives because of its numerous advantages, including biodegradability, biocompatibility, non-toxicity, and structural flexibility. When used alone or in composites/multilayers, these biobased alternatives provide strong barrier qualities against grease, oxygen, microbes, air, and water. According to the most recent literature reports, biobased polymers for barrier coatings are having difficulty breaking into the business. Technological breakthroughs in the field of bioplastic production and application are rapidly evolving, proffering new options for academics and industry to collaborate and develop sustainable packaging solutions. Existing techniques, such as multilayer coating of nanocomposites, can be improved further by designing them in a more systematic manner to attain the best barrier qualities. Modified nanocellulose, lignin nanoparticles, and bio-polyester are among the most promising future candidates for nanocomposite-based packaging films with high barrier qualities. In this review, the state-of-art and research advancements made in biobased polymeric alternatives such as paper and board barrier coating are summarized. Finally, the existing limitations and potential future development prospects for these biobased polymers as barrier materials are reviewed.
Biopolymers, Chitosan, Cellulose, Barrier properties, Packaging, Cardboard
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Mujtaba, M, Lipponen, J, Ojanen, M, Puttonen, S & Vaittinen, H 2022, ' Trends and challenges in the development of bio-based barrier coating materials for paper/cardboard food packaging; a review ', Science of the Total Environment, vol. 851, no. Part 2, 158328 .