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US 2018/0023291 A1Published application
Scrim attachment system
AssigneeArmstrong World Industries, Inc.
InventorsAnthony L. Wiker, Peter J. Oleske, Lida Lu
Life of this patent
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Abstract
The present invention is directed to ceiling panels formed from a porous scrim that is coupled to an acoustical substrate using a scrim attachment system that includes an adhesive.
Claims20
A method of forming a ceiling panel, the method comprising:
- a) applying an aqueous mixture comprising water and a gel-forming polymer to at least one of a first major substrate surface of an acoustical substrate or to a second major scrim surface of a porous scrim in a substantially non-discrete pattern,
- b) bringing the first major substrate surface of the acoustical substrate into contact with the second major scrim surface of the porous scrim to form a laminate structure;
- and
- c) drying the laminate structure to adhere the acoustical substrate and the porous scrim together;
- wherein the gel-forming polymer is present in an amount ranging from 1 wt. % to 20 wt. % based on the total weight of the aqueous mixture and the aqueous mixture is applied to at least one of the first major substrate surface of the acoustical substrate or the second major scrim surface of the porous scrim in an amount ranging from 30 g/m2 to 170 g/m2.
2 more elements
A method of forming a ceiling panel, the method comprising:
- a) applying an aqueous mixture comprising water and a gel-forming polymer to a first major surface of a substrate or a second major surface of a scrim,
- b) bringing the first major surface of the substrate into contact with the second major surface of the scrim to form a laminate structure;
- and
- c) drying the laminate structure to adhere the substrate and the scrim together;
- wherein the gel-forming polymer is present in an amount ranging from 1 wt. % to 20 wt. % based on the total weight of the aqueous mixture and the aqueous mixture is applied in an amount ranging from 30 g/m2 to 170 g/m2.
2 more elements
A method of forming a ceiling panel, the method comprising:
- a) applying an aqueous mixture comprising water and a gel-forming polymer to a first major surface of a substrate or a second major surface of a scrim, the gel-forming polymer comprising polyvinyl alcohol, wherein at least 85% of the polyvinyl alcohol has been hydrolyzed;
- b) bringing the first major surface of the substrate into contact with the second major surface of the scrim to form a laminate structure;
- and
- c) drying the laminate structure to adhere the substrate and the scrim together;
- wherein the aqueous mixture is applied in an amount ranging from 30 g/m2 to 170 g/m2.
2 more elements
Dependencies are inferred from the claim text.