Extrusion International 4-2024

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The implemented method was designed in accordance to European and American regulations for migration assessment in barrier developments or recycling processes to provide an additional path of simplified ap- provals. In Virgin PP, a higher con- centration was achieved, setting the basis for an efficient barrier devel- opment by reducing the challenges in a proposed analysis chain for the simplified evaluation of migration processes. The next step is the vali- da- tion of the analysis chain before an efficient barrier development can be performed based on the previous results. The final step is to transfer the methodology to recy - clates after successfully permitting migrations of the model substrates and enabling the path for the devel - opment of barriers on recyclates for food contact materials by achieving specific migration limits. Acknowledgements This research was funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Founda- tion) under the Sonderforschungs- bereich Transregio 87 (SFB TR-87). We would like to cordially extend our thanks to the DFG. Additionally we would like to thank Professor Grundmeier and his team from Uni - versität Paderborn and our partners GIZEH Verpackungen GmbH & Co. KG, DSD – Duales System Holding GmbH & Co. KG.