Recyclability and Redesign Challenges in Multilayer Flexible Food Packaging—A Review

Multilayer flexible food packaging is under pressure to redesign for recyclability. Most multilayer films are not sorted and recycled with the currently available infrastructure, which is based on mechanical recycling in most countries. Up to now, multilayer flexible food packaging was highly custom...

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Autores principales:	Anna-Sophia Bauer, Manfred Tacker, Ilke Uysal-Unalan, Rui M. S. Cruz, Theo Varzakas, Victoria Krauter
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	multilayer packaging flexible packaging polyolefin recyclability redesign mono-material Chemical technology TP1-1185
Acceso en línea:	https://doaj.org/article/712bc6820b3f471c9eade0604d73048e
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spelling	oai:doaj.org-article:712bc6820b3f471c9eade0604d73048e2021-11-25T17:34:20ZRecyclability and Redesign Challenges in Multilayer Flexible Food Packaging—A Review10.3390/foods101127022304-8158https://doaj.org/article/712bc6820b3f471c9eade0604d73048e2021-11-01T00:00:00Zhttps://www.mdpi.com/2304-8158/10/11/2702https://doaj.org/toc/2304-8158Multilayer flexible food packaging is under pressure to redesign for recyclability. Most multilayer films are not sorted and recycled with the currently available infrastructure, which is based on mechanical recycling in most countries. Up to now, multilayer flexible food packaging was highly customizable. Diverse polymers and non-polymeric layers allowed a long product shelf-life and an optimized material efficiency. The need for more recyclable solutions asks for a reduction in the choice of material. Prospectively, there is a strong tendency that multilayer flexible barrier packaging should be based on polyolefins and a few recyclable barrier layers, such as aluminium oxide (AlOx) and silicon oxide (SiOx). The use of ethylene vinyl alcohol (EVOH) and metallization could be more restricted in the future, as popular Design for Recycling Guidelines have recently reduced the maximum tolerable content of barrier materials in polyolefin packaging. The substitution of non-recyclable flexible barrier packaging is challenging because only a limited number of barriers are available. In the worst case, the restriction on material choice could result in a higher environmental burden through a shortened food shelf-life and increased packaging weights.Anna-Sophia BauerManfred TackerIlke Uysal-UnalanRui M. S. CruzTheo VarzakasVictoria KrauterMDPI AGarticlemultilayer packagingflexible packagingpolyolefinrecyclabilityredesignmono-materialChemical technologyTP1-1185ENFoods, Vol 10, Iss 2702, p 2702 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	multilayer packaging flexible packaging polyolefin recyclability redesign mono-material Chemical technology TP1-1185
spellingShingle	multilayer packaging flexible packaging polyolefin recyclability redesign mono-material Chemical technology TP1-1185 Anna-Sophia Bauer Manfred Tacker Ilke Uysal-Unalan Rui M. S. Cruz Theo Varzakas Victoria Krauter Recyclability and Redesign Challenges in Multilayer Flexible Food Packaging—A Review
description	Multilayer flexible food packaging is under pressure to redesign for recyclability. Most multilayer films are not sorted and recycled with the currently available infrastructure, which is based on mechanical recycling in most countries. Up to now, multilayer flexible food packaging was highly customizable. Diverse polymers and non-polymeric layers allowed a long product shelf-life and an optimized material efficiency. The need for more recyclable solutions asks for a reduction in the choice of material. Prospectively, there is a strong tendency that multilayer flexible barrier packaging should be based on polyolefins and a few recyclable barrier layers, such as aluminium oxide (AlOx) and silicon oxide (SiOx). The use of ethylene vinyl alcohol (EVOH) and metallization could be more restricted in the future, as popular Design for Recycling Guidelines have recently reduced the maximum tolerable content of barrier materials in polyolefin packaging. The substitution of non-recyclable flexible barrier packaging is challenging because only a limited number of barriers are available. In the worst case, the restriction on material choice could result in a higher environmental burden through a shortened food shelf-life and increased packaging weights.
format	article
author	Anna-Sophia Bauer Manfred Tacker Ilke Uysal-Unalan Rui M. S. Cruz Theo Varzakas Victoria Krauter
author_facet	Anna-Sophia Bauer Manfred Tacker Ilke Uysal-Unalan Rui M. S. Cruz Theo Varzakas Victoria Krauter
author_sort	Anna-Sophia Bauer
title	Recyclability and Redesign Challenges in Multilayer Flexible Food Packaging—A Review
title_short	Recyclability and Redesign Challenges in Multilayer Flexible Food Packaging—A Review
title_full	Recyclability and Redesign Challenges in Multilayer Flexible Food Packaging—A Review
title_fullStr	Recyclability and Redesign Challenges in Multilayer Flexible Food Packaging—A Review
title_full_unstemmed	Recyclability and Redesign Challenges in Multilayer Flexible Food Packaging—A Review
title_sort	recyclability and redesign challenges in multilayer flexible food packaging—a review
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/712bc6820b3f471c9eade0604d73048e
work_keys_str_mv	AT annasophiabauer recyclabilityandredesignchallengesinmultilayerflexiblefoodpackagingareview AT manfredtacker recyclabilityandredesignchallengesinmultilayerflexiblefoodpackagingareview AT ilkeuysalunalan recyclabilityandredesignchallengesinmultilayerflexiblefoodpackagingareview AT ruimscruz recyclabilityandredesignchallengesinmultilayerflexiblefoodpackagingareview AT theovarzakas recyclabilityandredesignchallengesinmultilayerflexiblefoodpackagingareview AT victoriakrauter recyclabilityandredesignchallengesinmultilayerflexiblefoodpackagingareview
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Recyclability and Redesign Challenges in Multilayer Flexible Food Packaging—A Review

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