Easy peel film structure especially for retortable lidstock

Details Easy peel film structure especially for retortable lidstock Easy peel film structure especially for retortable lidstock

1992-04-01

1995-04-18

Seccuro, Jr., Carman J.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

428 357, 428 368, 525240, B32B 2732, B32B 2728

Patent

active

054077516

ABSTRACT:
Multi-layer films having an outer sealant layer which readily delaminates from the adjacent sealant layer are disclosed. For retort applications, preferably one of the outer or adjacent sealant layers is comprised of a majority of ethylene moieties and the other of the outer or adjacent sealant layers is comprised of a majority of propylene moieties. The film is especially well-suited for use as a lidstock sealed to a container, such as a tray.

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