Oriented multilayer heat sealable packaging film and method...

Details Oriented multilayer heat sealable packaging film and method... Oriented multilayer heat sealable packaging film and method...

B - Operations, Transporting

32

B

154/140, 18/783

B32B 27/08 (2006.01) C08J 7/04 (2006.01)

Patent

CA 1207966

ORIENTED MULTILAYER HEAT SEALABLE PACKAGING FILM AND METHOD OF FORMING SAME Abstract An oriented multilayer heat sealable film structure comprising a polyolefin film substrate, a layer of a random copolymer of ethylene and propylene, a primer layer on said copolymer layer and a layer of heat sealable vinylidene chloride polymer on said primer layer. The method of preparing said structure includes aging said structure at a temperature and for a time resulting in increased heat seal strength.

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