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Review

Liquid and Solid Functional Bio-Based Coatings

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Department of Civil and Industrial Engineering, University of Pisa, 56122 Pisa, Italy
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Interuniversity Consortium of Materials Science and Technology (INSTM), 50121 Florence, Italy
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IRIS Technology Solutions (IRIS), 08940 Cornellà de Llobregat, Spain
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Biomass Valorization Platform-Materials, CELABOR s.c.r.l., 4650 Chaineux, Belgium
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Fraunhofer-Institute for Process Engineering and Packaging, 85354 Freising, Germany
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Stazione Sperimentale per l’Industria delle Conserve Alimentari (SSICA), 43121 Parma, Italy
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Planet Bioplastics s.r.l., 56017 Pisa, Italy
*
Authors to whom correspondence should be addressed.
Academic Editor: Begoña Ferrari
Polymers 2021, 13(21), 3640; https://doi.org/10.3390/polym13213640
Received: 20 September 2021 / Revised: 15 October 2021 / Accepted: 20 October 2021 / Published: 22 October 2021
(This article belongs to the Special Issue Biobased Polymers for Environmental Applications)
The development of new bio-based coating materials to be applied on cellulosic and plastic based substrates, with improved performances compared to currently available products and at the same time with improved sustainable end of life options, is a challenge of our times. Enabling cellulose or bioplastics with proper functional coatings, based on biopolymer and functional materials deriving from agro-food waste streams, will improve their performance, allowing them to effectively replace fossil products in the personal care, tableware and food packaging sectors. To achieve these challenging objectives some molecules can be used in wet or solid coating formulations, e.g., cutin as a hydrophobic water- and grease-repellent coating, polysaccharides such as chitosan-chitin as an antimicrobial coating, and proteins as a gas barrier. This review collects the available knowledge on functional coatings with a focus on the raw materials used and methods of dispersion/application. It considers, in addition, the correlation with the desired final properties of the applied coatings, thus discussing their potential. View Full-Text
Keywords: coatings; active molecules; barrier properties coatings; active molecules; barrier properties
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MDPI and ACS Style

Gigante, V.; Panariello, L.; Coltelli, M.-B.; Danti, S.; Obisesan, K.A.; Hadrich, A.; Staebler, A.; Chierici, S.; Canesi, I.; Lazzeri, A.; Cinelli, P. Liquid and Solid Functional Bio-Based Coatings. Polymers 2021, 13, 3640. https://doi.org/10.3390/polym13213640

AMA Style

Gigante V, Panariello L, Coltelli M-B, Danti S, Obisesan KA, Hadrich A, Staebler A, Chierici S, Canesi I, Lazzeri A, Cinelli P. Liquid and Solid Functional Bio-Based Coatings. Polymers. 2021; 13(21):3640. https://doi.org/10.3390/polym13213640

Chicago/Turabian Style

Gigante, Vito, Luca Panariello, Maria-Beatrice Coltelli, Serena Danti, Kudirat A. Obisesan, Ahdi Hadrich, Andreas Staebler, Serena Chierici, Ilaria Canesi, Andrea Lazzeri, and Patrizia Cinelli. 2021. "Liquid and Solid Functional Bio-Based Coatings" Polymers 13, no. 21: 3640. https://doi.org/10.3390/polym13213640

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