Oriented polypropylene film substrate and method of manufacture

Details Oriented polypropylene film substrate and method of manufacture Oriented polypropylene film substrate and method of manufacture

1979-06-28

1982-08-17

Morgenstern, Norman

Stock material or miscellaneous articles

Composite

Of metal

15624411, 15624412, 15624424, 204 30, 204192R, 427 40, 427 41, 427172, 427173, 427250, 427295, 427296, 427304, 427322, 4274073, 428515, 428910, B32B 1508, B05D 314

Patent

active

043450059

ABSTRACT:
An oriented polypropylene film substrate and method of manufacturing an oriented polypropylene film having enhanced adhesion to metallized coatings which comprises the steps of coextruding the film substrate having a homopolymer polypropylene core layer, and an ethylene propylene outer layer on at least one side of the core layer, the core and outer layers containing no slip agent. The film substrate is biaxially oriented, and the outer layer is corona treated. A metal coating is then deposited on the corona treated outer layer.

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