Protected building panel
AssigneeArmstrong World Industries, Inc.
InventorsYing CHANG, Corey CARVELL, Timothy ASTON, Jose NOVA, Bryan F. SHIPP
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Abstract
Described herein is a protected building panel comprising a substrate, a peelable film assembly comprising a film layer having a film thickness, the peelable film formed of a film composition comprising coextruded blend a first polyolefin comprising low-density polyethylene and a second polyolefin that is different from the first polyolefin, an adhesive layer having an adhesive thickness, wherein a ratio of the film thickness to the adhesive thickness ranges from about 3:1 to about 5:1, wherein the protected building panel comprising a plurality of perforations extending continuously through the peelable film assembly and the substrate.
Claims20
A protected building panel having a first major exposed surface opposite a second major exposed surface, the protected building panel comprising:
- a substrate comprising a first major surface opposite a second major surface;
- a peelable film assembly comprising:
- a film layer comprising a first major surface opposite a second major surface, the peelable film having a film thickness as measured by the distance between the first major surface and the second major surface of the peelable film, and the peelable film formed of a film composition comprising coextruded blend a first polyolefin comprising low-density polyethylene and a second polyolefin that is different from the first polyolefin;
- an adhesive layer comprising a first major surface opposite a second major surface, the adhesive layer having an adhesive thickness as measured by the distance between the first major surface and the second major surface of the adhesive layer;
- wherein the second major surface of the film layer is adjacent to the first major surface of the substrate by the adhesive layer;
- wherein a ratio of the film thickness to the adhesive thickness ranges from about 3:1 to about 5:1;
- wherein the protected building panel comprising a plurality of perforations extending continuously through the peelable film assembly and the substrate.
A protected building panel having a first major exposed surface opposite a second major exposed surface, the protected building panel comprising:
- a substrate comprising a first major surface opposite a second major surface;
- a peelable film assembly comprising:
- a film layer comprising a first major surface opposite a second major surface, the peelable film having a film thickness as measured by the distance between the first major surface and the second major surface of the peelable film, and the peelable film formed of a film composition comprising a coextruded blend a first polyolefin comprising low-density polyethylene and a second polyolefin that is different from the first polyolefin, the film thickness ranging from about 1.0 mils to about 1.5 mils;
- an adhesive layer comprising a first major surface opposite a second major surface, the adhesive layer having an adhesive thickness as measured by the distance between the first major surface and the second major surface of the adhesive layer, the adhesive layer formed of an adhesive composition comprising poly(butyl acrylate), poly(methyl methacrylate), acrylic copolymer, and a crosslinker, the adhesive thickness ranging from about 0.2 mils to about 0.5 mils;
- wherein the second major surface of the film layer is adjacent to the first major surface of the substrate by the adhesive layer;
- and
- wherein the film layer and the adhesive layer are optically clear.
A protected building panel having a first exposed major surface opposite a second exposed major surface, the protected building panel comprising:
- a substrate comprising:
- a central portion comprising an upper surface opposite a lower surface;
- a perimeter wall portion extending downward from the lower surface of the central portion, the perimeter wall comprising an inner surface opposite an outer surface;
- a peelable film assembly comprising:
- a central portion adjacent to the upper surface of the central portion of the substrate and a perimeter portion adjacent to outer surface of the perimeter wall portion of the substrate;
- the peelable film assembly comprising a film layer having a film thickness, the film layer formed of a film composition comprising coextruded blend a first polyolefin comprising low-density polyethylene and a second polyolefin that is different from the first polyolefin;
- and an adhesive layer having an adhesive thickness;
- wherein a ratio of the film thickness to the adhesive thickness ranges from about 3:1 to about 5:1;
- wherein the protected building panel comprising a plurality of perforations extending continuously through the central portion of the substrate and the central portion of the peelable film assembly and the substrate.
Dependencies are inferred from the claim text.