Barrier properties are achieved in PET food packaging by using additives, coatings or multi-layers. An analytical model to predict the contamination during multiple recycling steps of this packaging is proposed. This model shows that lower contents of non-PET materials should be achieved to promote a valid recycling chain. A possible solution is using nanotechnologies because of the very small amount of added material. Results are shown in the case of PVD coatings with aluminum target, and PET nano-composites. In both cases, less than 0.1 wt% of aluminum is able to reduce the oxygen transmission ratio of the PET packaging down to 50% of the virgin PET sheet.

Quadrini, F., Bellisario, D., & Santo, L. (2018). Design of nano-filled pet sheets with enhanced barrier properties. In ASME 2018 13th International Manufacturing Science and Engineering Conference, MSEC 2018 (pp.V002T04A010). American Society of Mechanical Engineers (ASME) [10.1115/MSEC2018-6413].

Design of nano-filled pet sheets with enhanced barrier properties

Quadrini, Fabrizio;Bellisario, Denise;Santo, Loredana
2018

Abstract

Barrier properties are achieved in PET food packaging by using additives, coatings or multi-layers. An analytical model to predict the contamination during multiple recycling steps of this packaging is proposed. This model shows that lower contents of non-PET materials should be achieved to promote a valid recycling chain. A possible solution is using nanotechnologies because of the very small amount of added material. Results are shown in the case of PVD coatings with aluminum target, and PET nano-composites. In both cases, less than 0.1 wt% of aluminum is able to reduce the oxygen transmission ratio of the PET packaging down to 50% of the virgin PET sheet.
ASME 2018 13th International Manufacturing Science and Engineering Conference, MSEC 2018
USA
2018
Manufacturing Engineering Division
Rilevanza internazionale
Settore ING-IND/16 - Tecnologie e Sistemi di Lavorazione
eng
Industrial and Manufacturing Engineering
Intervento a convegno
Quadrini, F., Bellisario, D., & Santo, L. (2018). Design of nano-filled pet sheets with enhanced barrier properties. In ASME 2018 13th International Manufacturing Science and Engineering Conference, MSEC 2018 (pp.V002T04A010). American Society of Mechanical Engineers (ASME) [10.1115/MSEC2018-6413].
Quadrini, F; Bellisario, D; Santo, L
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2108/212253
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