Permeable foam treatment (spray coating oxygen barrier)

Details Permeable foam treatment (spray coating oxygen barrier) Permeable foam treatment (spray coating oxygen barrier)

C - Chemistry, Metallurgy

08

J

C08J 9/40 (2006.01) A47G 23/06 (2006.01) C09D 5/00 (2006.01) C09D 127/08 (2006.01)

Patent

CA 2293849

A method of making a sheet of rigid polymeric foam suitable for the manufacture of food trays comprises the steps of incorporating a packaging gas into the foam and applying an oxygen barrier to the faces of the foam. A food tray made of rigid polymeric foam is also provided.

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