Ionomer-free plastic for vacuum packaging applications results from collaboration

Ionomers (polymers that can form cross-links between chains due to ionized functional groups) are often used for vacuum-packaged products because they have the strength needed to resist puncture and tearing when vacuum is applied. Due to material shortages for ionomer materials, processors have sought lower-cost alternatives to ionomers for food packaging. A collaboration between ExxonMobil, Kuraray, GAP s.r.l and G. Mondini S.p.A. has resulted in development of a polyethylene-based polymer that exhibits properties similar to the ionomer-based packaging, but saves raw-material costs by eliminating the need for ionomers.

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