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Recyclability and redesign challenges in multilayer flexible food packaging - a review

2021-11Journal article Open access
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dc.contributor.authorBauer, Anna-Sophia
dc.contributor.authorTacker, Manfred
dc.contributor.authorUysal-Unalan, Ilke
dc.contributor.authorCruz, Rui
dc.contributor.authorVarzakas, Theo
dc.contributor.authorKrauter, Victoria
dc.date.accessioned2021-12-13T12:36:20Z
dc.date.available2021-12-13T12:36:20Z
dc.date.issued2021-11
dc.description.abstractMultilayer 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.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.3390/foods10112702pt_PT
dc.identifier.eissn2304-8158
dc.identifier.urihttp://hdl.handle.net/10400.1/17378
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relation2658497pt_PT
dc.relation19124pt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectMultilayer packagingpt_PT
dc.subjectFlexible packagingpt_PT
dc.subjectPolyolefinpt_PT
dc.subjectRecyclabilitypt_PT
dc.subjectRedesignpt_PT
dc.subjectMono-materialpt_PT
dc.subjectShelf-life of foodspt_PT
dc.titleRecyclability and redesign challenges in multilayer flexible food packaging - a reviewpt_PT
dc.title.alternativeDesafios de reciclagem e redesenho em embalagens flexíveis multicamadas - uma revisãopt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.issue11pt_PT
oaire.citation.startPage2702pt_PT
oaire.citation.titleFoodspt_PT
oaire.citation.volume10pt_PT
person.familyNameCruz
person.givenNameRui
person.identifier1123160
person.identifier.ciencia-idAB11-B31E-1AF2
person.identifier.orcid0000-0002-0839-1881
person.identifier.scopus-author-id8522888800
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication9da6a8ec-21fd-4591-af31-1680d0c7b1aa
relation.isAuthorOfPublication.latestForDiscovery9da6a8ec-21fd-4591-af31-1680d0c7b1aa

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