Recycling of Post-Consumer Polystyrene Packaging Waste into New Food Packaging Applications—Part 2: Co-Extruded Functional Barriers

نویسندگان

چکیده

Post-consumer polystyrene (PS) recyclates behind a functional barrier of virgin PS polymer is an attractive way to introduce post-consumer in packaging materials. However, until now, there has been no official guidance published on how test the performance barrier. In addition, threshold limits for evaluation FBs have by competent authorities. This drawback food law compliance and novel technology notification this study, co-extruded yogurt cups with artificially spiked core layer were investigated respect migration applied surrogates. The kinetic testing method into gas phase was shown be sensitive suitable performance. For consumer safety evaluation, two worst-case scenarios used. As result, due high processing temperatures used during co-extrusion, partly contaminated surrogates from layer. basis conditions, data, presented, use recycled FB can considered as safe.

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ژورنال

عنوان ژورنال: Recycling

سال: 2023

ISSN: ['2313-4321']

DOI: https://doi.org/10.3390/recycling8020039