Polyester coated paperboard for forming food containers and...

Details Polyester coated paperboard for forming food containers and... Polyester coated paperboard for forming food containers and...

B - Operations, Transporting

01

J

204/96.21

B01J 19/08 (2006.01) B32B 27/10 (2006.01) D21H 19/28 (2006.01)

Patent

CA 1116551

POLYESTER COATED PAPERBOARD FOR FORMING FOOD CONTAINERS AND PROCESS FOR PRODUCING THE SAME ABSTRACT A coated paperboard product and a process for producing the same which includes corona discharge treatment of a paperboard surface and subsequent extrusion of molten poly- ester thereon. The resulting product has a very high degree of adhesion between the paperboard and polyester layers, and is capable of being utilized for forming pressed food trays which can be subjected to oven cooking temperatures.

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