Better Oxygen and Grease/Oil Barriers, Longer Life

November 2023​ Packaging Column

​Packaging Topic Brief:

• In this article, we explore the latest innovations in food packaging that are helping to improve oxygen and grease/oil barriers, extending the shelf life of food products. 
  
• Grease-resistant coatings that contain PFAS are being phased out due to environmental concerns. Grease and oil resistance can be achieved without PFAS.
  
• Material science and coating chemistry are used to improve oxygen and grease/oil barriers in food packaging.
  
• Oxygen barrier properties can be improved by using materials with a low oxygen sorption rate and high crystallinity.
  
• Grease and oil resistance can be improved by increasing the density of paperboard or using grease-resistant coatings.
  
• There are alternatives to using PFAS in food packaging, such as bio-based films and metallized films.
  
• Nanocoatings: Nanocoatings can be used to create a barrier that prevents oxygen and grease/oil from penetrating the packaging.
  
• Active packaging: Active packaging can contain oxygen scavengers or can contain antimicrobial agents that help to prevent the growth of bacteria.
  
• These innovations in food packaging are helping to reduce food waste and extend the shelf life of food products, which can save consumers money and help to reduce the environmental impact of the food industry.

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This content is related to food packaging, including:

1. Bioplastic food packaging
2. Nanocoated food packaging
3. Active food packaging
4. Oxygen barrier food packaging
5. Grease/oil barrier food packaging
6. Extended shelf life food packaging
7. Sustainable food packaging
8. Food waste reduction packaging
9. Fick’s law 
10. Technical specifications like: ASTM D3985, ASTM F1927, ASTM F1307, and other oxygen transmission rate standards;  low-density polyethylene (LDPE), polyethylene terephthalate (PET) , ethylene vinyl alcohol (EVOH) and nylon.

Related  

• Innovative Materials
• Barriers 
  
• Glass 
  
• Plastic 
  
• Paperboard
  
• Metal​

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