Optimizing Barrier Performance of Multi-Layer Polyethylene Films, 1998 Polymers, Laminations & Coatings Conference Proceedings

Multi-layer polyethylene (PE)-based films continue to capture numerous food packaging applications due to their performance and economic advantages. In the majority of these applications, the packaging film’s permeation or barrier properties determine the shelf life of the packaged foods. Factors affecting these barrier properties are the specific PE resins or resin blends used, processing conditions, and the relative position of the resins in the multi-layer structure.

This paper reviews barrier requirements and shelf life consideration for various food products, and the advantages of polyethylene-based films versus other packaging materials. The paper shows relationships between PE resin characteristics, film structure, processing conditions, and permeation properties. Utilizing this information, the barrier performance of multi-layer film structures can be optimized for their particular packaging application.

Author: Krohn, J. V., Todd, W. G., Culter, J. D.
Optimizing Barrier Performance of Multi-Layer Polyethylene F
Optimizing Barrier Performance of Multi-Layer Polyethylene Films, 1998 Polymers, Laminations & Coatings Conference Proceedings
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