Coextruded core laminates

Details Coextruded core laminates Coextruded core laminates

1989-03-20

1990-05-15

Seidleck, James

Stock material or miscellaneous articles

Layer or component removable to expose adhesive

Halogen containing compound

428 41, 428352, 428914, 4284111, 428212, B32B 706

Patent

active

049257145

ABSTRACT:
Multilayer laminates are made by extruding two polymeric films of different composition and forming them in contact with each other to provide a peelable interface, and forming a divisible core structure by permanently combining one of said films with a layer of pressure sensitive adhesive and combining the other film with at least one additional layer. The invention is useful for providing "dry" or non-tacky peelable labels and for providing renewable surfaces on articles such as trays or other substrates.

REFERENCES:
patent: 4090464 (1978-05-01), Bishopp et al.
patent: 4310137 (1982-01-01), Frye
patent: 4398985 (1983-08-01), Eagon
patent: 4446183 (1984-05-01), Savagian
patent: 4521267 (1985-06-01), Jacobson
patent: 4544590 (1985-10-01), Egan

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