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https://doi.org/10.21256/zhaw-4262| Publication type: | Conference paper |
| Type of review: | Peer review (publication) |
| Title: | Development of palladium-based oxygen scavenger : optimization of substrate and palladium layer thickness |
| Authors: | Yildirim, Selçuk Röcker, Bettina Rüegg, Nadine Lohwasser, Wolfgang |
| DOI: | 10.21256/zhaw-4262 10.1002/pts.2134 |
| Published in: | Packaging Technology and Science |
| Proceedings: | Packaging Technology and Science |
| Volume(Issue): | 28 |
| Issue: | 8 |
| Page(s): | 710 |
| Pages to: | 718 |
| Conference details: | 27th IAPRI Symposium on Packaging 2015, Valencia, 8-11 June 2015 |
| Issue Date: | 2015 |
| Publisher / Ed. Institution: | Wiley |
| ISSN: | 0894-3214 |
| Language: | English |
| Subjects: | Active packaging; Palladium; Oxygen scavenger |
| Subject (DDC): | 664: Food technology |
| Abstract: | Oxygen scavenging films based on vacuum deposited palladium layers were developed to remove residual oxygen remaining in food packages after modified atmosphere packaging. Palladium (Pd) was coated on to a range of packaging films and in different thicknesses using magnetron sputtering technology. To improve the substrate surface, an additional silicon oxide (SiOx) layer was also applied to the films before Pd deposition. To determine the oxygen scavenging activity, the scavenger films were placed into an airtight cell, which was flushed with a gas mixture containing 2 vol.% oxygen and 5 vol.% hydrogen. The results showed that the oxygen scavenging rate was strongly dependent on the coating substrate as well as on the Pd deposition thickness. Packaging films such as polyethylene terephthalate, aluminium oxide-coated polyethylene terephthalate, oriented polypropylene and polylactic acid were found to be the most suitable substrates for Pd-based oxygen scavengers. Moreover, it was demonstrated that the intermediate SiOx layer between the substrate and the Pd layer led to a substantial increase in the oxygen scavenging activity rate (up to 33-fold) for all applied packaging films. Additionally, it was shown that the optimal Pd layer thickness for the investigated oxygen scavenging films lies between 0.7 and 3.4 nm. The resulting scavenger films have the potential to scavenge residual headspace oxygen of sensitive foods within a matter of minutes leading to shelf life extension and overall quality improvements. |
| URI: | https://digitalcollection.zhaw.ch/handle/11475/7091 |
| Fulltext version: | Submitted version |
| License (according to publishing contract): | Licence according to publishing contract |
| Departement: | Life Sciences and Facility Management |
| Organisational Unit: | Institute of Food and Beverage Innovation (ILGI) |
| Appears in collections: | Publikationen Life Sciences und Facility Management |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| 2015_Yildirim_Development of Pd-based oxygen scavenger_final_submitted manuscript.pdf | Eingereichte Version / submitted version | 936.3 kB | Adobe PDF |  View/Open |
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Yildirim, S., Röcker, B., Rüegg, N., & Lohwasser, W. (2015). Development of palladium-based oxygen scavenger : optimization of substrate and palladium layer thickness [Conference paper]. Packaging Technology and Science, 28(8), 710–718. https://doi.org/10.21256/zhaw-4262
Yildirim, S. et al. (2015) ‘Development of palladium-based oxygen scavenger : optimization of substrate and palladium layer thickness’, in Packaging Technology and Science. Wiley, pp. 710–718. Available at: https://doi.org/10.21256/zhaw-4262.
S. Yildirim, B. Röcker, N. Rüegg, and W. Lohwasser, “Development of palladium-based oxygen scavenger : optimization of substrate and palladium layer thickness,” in Packaging Technology and Science, 2015, vol. 28, no. 8, pp. 710–718. doi: 10.21256/zhaw-4262.
YILDIRIM, Selçuk, Bettina RÖCKER, Nadine RÜEGG und Wolfgang LOHWASSER, 2015. Development of palladium-based oxygen scavenger : optimization of substrate and palladium layer thickness. In: Packaging Technology and Science. Conference paper. Wiley. 2015. S. 710–718
Yildirim, Selçuk, Bettina Röcker, Nadine Rüegg, and Wolfgang Lohwasser. 2015. “Development of Palladium-Based Oxygen Scavenger : Optimization of Substrate and Palladium Layer Thickness.” Conference paper. In Packaging Technology and Science, 28:710–18. Wiley. https://doi.org/10.21256/zhaw-4262.
Yildirim, Selçuk, et al. “Development of Palladium-Based Oxygen Scavenger : Optimization of Substrate and Palladium Layer Thickness.” Packaging Technology and Science, vol. 28, no. 8, Wiley, 2015, pp. 710–18, https://doi.org/10.21256/zhaw-4262.
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