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Materials 2017, 10(7), 821; doi:10.3390/ma10070821

Thin-Film Coated Plastic Wrap for Food Packaging

1
Graduate Institute of Optoelectronic Engineering and Department of Electrical Engineering, National Chung Hsing University, Taichung 40227, Taiwan
2
Department of Electrical Engineering, Da-Yeh University, Chunghua 51591, Taiwan
3
Department of Materials Science and Engineering, Da-Yeh University, Chunghua 51591, Taiwan
4
Bachelor Program for Design and Materials for Medical Equipment and Devices, Da-Yeh University, Changhua 51591, Taiwan
5
Institute of Biomedical Engineering, National Taiwan University, Taipei 106, Taiwan
*
Author to whom correspondence should be addressed.
Received: 27 June 2017 / Revised: 12 July 2017 / Accepted: 13 July 2017 / Published: 18 July 2017
(This article belongs to the Special Issue Selected Papers from IEEE ICASI 2017)
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Abstract

In this study, the antimicrobial property and food package capability of polymethylpentene (PMP) substrate with silicon oxdie (SiOx) and organic silicon (SiCxHy) stacked layers deposited by an inductively coupled plasma chemical vapor deposition system were investigated. The experimental results show that the stacked pair number of SiOx/SiCxHy on PMP is limited to three pairs, beyond which the films will crack and cause package failure. The three-pair SiOx/SiCxHy on PMP shows a low water vapor transmission rate of 0.57 g/m2/day and a high water contact angle of 102°. Three-pair thin-film coated PMP demonstrates no microbe adhesion and exhibits antibacterial properties within 24 h. Food shelf life testing performed at 28 °C and 80% humidity reports that the three-pair thin-film coated PMP can enhance the food shelf-life to 120 h. The results indicate that the silicon-based thin film may be a promising material for antibacterial food packaging applications to extend the shelf-life of food products. View Full-Text
Keywords: polymethylpentene; food package; inductively coupled plasma chemical vapor deposition; water vapor transmission rate; shelf-life polymethylpentene; food package; inductively coupled plasma chemical vapor deposition; water vapor transmission rate; shelf-life
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MDPI and ACS Style

Wu, H.-Y.; Liu, T.-X.; Hsu, C.-H.; Cho, Y.-S.; Xu, Z.-J.; Liao, S.-C.; Zeng, B.-H.; Jiang, Y.-L.; Lien, S.-Y. Thin-Film Coated Plastic Wrap for Food Packaging. Materials 2017, 10, 821.

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