Structure · dataset · 2018
Properties of barrier shrink bags made with EVOH and polyamide for fresh beef meat preservation
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Description
Abstract
The objective of this work was to compare the barrier and mechanical properties and shrinkability of coextruded films chlorine-free, with high barrier chlorine multilayer films traditionally used to preserve fresh beef. Four 9-layer barrier-shrink films containing PET, ethylene ionomers, polyamide PA66/6 modified with amorphous PA, 32 or 44 mol% EVOH and PE were produced in a commercial scale triple bubble co-extrusion line.
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Seal strength, puncture resistance, oxygen and water vapor permeability and film shrink were measured for the four films and compared to the EVA/PVDC/PE film properties. The results obtained under controlled laboratory conditions show that films made with one layer of EVOH 32 mol% of ethylene encapsulated between two layers of PA66/6 modified with amorphous PA have gas barrier properties and puncture resistance better than a typical EVA/PVDC/PE, seal strength and shrinkability comparable to this film and therefore have potential to preserve fresh beef.
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- Repository landing page scielo.figshare.com/articles/Properties_of_barrier_shrink_bags_made_with_EVOH_and_… ↗
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- DOI doi.org/10.6084/m9.figshare.6318719 ↗
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Documentation and papers
- Creative Commons Attribution 4.0 International creativecommons.org/licenses/by/4.0/legalcode ↗
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- IsSupplementTo 10.1590/0104-1428.04516 doi.org/10.1590/0104-1428.04516 ↗
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Topics
- Stated by source
- Materials engineering
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|---|---|---|---|
| DataCite | 10.6084/m9.figshare.6318719 | 12 d ago | JSON v1 |
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