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US 2002/0172815 A1Published application
Biaxially oriented polypropylene metallized film for packaging
AssigneeToray Plastics (America), Inc.
InventorsKeunsuk P. Chang, Mark S. Lee, Leo R. Moreau
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Abstract
A laminate film comprising a polymer core layer; a resin layer disposed on a surface of the polymer layer; and a metal layer deposited on a surface of said resin layer; wherein the laminate film has excellent adhesion between the resin layer and the metal layer and barrier durability is disclosed.
Claims36
A laminate film comprising:
- a polymer core layer;
- a resin layer disposed on a surface of said polymer layer;
- and
- a metal layer deposited on a surface of said resin layer;
- wherein the laminate film has metal adhesion of 2 or more;
- and
- wherein the laminate film has O2TR of 100 cc/m2/day or less at 38° C. and 0% relative humidity as measured on a 15 μm laminate film elongated 9% in the machine direction.
4 more elements
A laminate film comprising:
- a polymer core layer;
- a resin layer disposed on a surface of said polymer layer;
- a metal layer deposited on a surface of said resin layer;
- and
- means for enhancing adhesion between the resin layer and the metal layer.
2 more elements
A method for manufacturing a laminate film, comprising:
- extruding a polymer core layer;
- extruding a resin layer disposed on a surface of said polymer layer;
- and
- extruding a metal layer deposited on a surface of said resin layer;
- the laminate film having metal adhesion of 2 or more;
- and
- the laminate film having O2TR of 100 cc/m2/ day or less at 38° C. and 0% relative humidity as measured on a 15 μm laminate film elongated 9% in the machine direction.
4 more elements
A method for food packaging, comprising:
- obtaining a laminate film and
- covering food with the laminate film;
- the laminate film comprising:
- a polymer core layer;
- a resin layer disposed on a surface of said polymer layer;
- and
- a metal layer deposited on a surface of said resin layer;
- wherein the laminate film has metal adhesion of 2 or more;
- and
- wherein the laminate film has O2TR of 100 cc/m2/day or less at 38° C. and 0% relative humidity as measured on a 15 μm laminate film elongated 9% in the machine direction.
7 more elements
Dependencies are inferred from the claim text.