Novel Antimicrobial Nano Coated Polypropylene Based Materials for Food Packaging Systems

Paper


Egodage, D.P., Jayalath, H.T.S., Samarasekara, A.M.P. B., Amarasinghe, D.A.S., Madushani, S.P.A. and Senerath, S.M.N.S.. 2017. "Novel Antimicrobial Nano Coated Polypropylene Based Materials for Food Packaging Systems." 2017 Moratuwa Engineering Research Conference (MERCon). Sri Lanka 29 - 31 May 2017 United States. IEEE (Institute of Electrical and Electronics Engineers). https://doi.org/10.1109/MERCon.2017.7980462
Paper/Presentation Title

Novel Antimicrobial Nano Coated Polypropylene Based Materials for Food Packaging Systems

Presentation TypePaper
AuthorsEgodage, D.P., Jayalath, H.T.S., Samarasekara, A.M.P. B., Amarasinghe, D.A.S., Madushani, S.P.A. and Senerath, S.M.N.S.
Journal or Proceedings TitleProceedings of the 3rd International Moratuwa Engineering Research Conference (MERCon 2017)
Journal Citationpp. 88-92
Number of Pages5
Year2017
PublisherIEEE (Institute of Electrical and Electronics Engineers)
Place of PublicationUnited States
ISBN9781509064915
Digital Object Identifier (DOI)https://doi.org/10.1109/MERCon.2017.7980462
Web Address (URL) of Paperhttps://ieeexplore.ieee.org/document/7980462
Web Address (URL) of Conference Proceedingshttps://ieeexplore.ieee.org/xpl/conhome/7972818/proceeding
Conference/Event2017 Moratuwa Engineering Research Conference (MERCon)
Event Details
2017 Moratuwa Engineering Research Conference (MERCon)
Delivery
In person
Event Date
29 to end of 31 May 2017
Event Location
Sri Lanka
Abstract

Modern days, in food industry significant attention has paid to secure food quality, safety and shelf-life. Microbial growth is the major cause of food spoilage which reduces shelf life of food. Food packaging plays a major role in preserving food and maintaining the quality. Food packaging combines with antimicrobial activities are now in demand in food industry due to growing concerns on food quality. As some inorganic nano materials show extensive antimicrobial activity incorporation of them into food packaging exhibit enhanced food quality. These studies have been focused on establishing methods for preparation of antibacterial nano coating for polymer based food packaging. Nanosilver has widely been used in antimicrobial films. For this study nanosilver based polyvinyl alchol coating was prepared on polypropylene food packaging material. Ultra Violet rays were used to contact on the polymer surface in order to enhance the adherence of nano coating to the polypropylene surface. Load required to peel off the nano coating and wetting angles of the modified surface was measured to determine the optimum Ultra Violet rays exposure time. Thermo Gravimetric Analysis (TGA) was used to optimize the crosslinking of the Coating. Presence of nanosilver particles in the developed coating was confirmed by Scanning Electron Microscopy (SEM). The coating was tested against Escherichia coli. The novel nanosilver coated polypropylene food packaging showed significant the antibacterial activity. This developed antimicrobial product can be used to protect the food and reduce the waste in near future.

KeywordsAntimicrobial; Food packaging; Nanosilver; Shelf life; Polypropylene
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Byline AffiliationsUniversity of Moratuwa, Sri Lanka
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