US 12,018,180 B2
Fire resistant adhesive compositions and methods of preparing and using the same
John E. Hughes, Lincoln University, PA (US); Linzhu Zhang, Ephrata, PA (US); and Michelle X. Wang, Lititz, PA (US)
Assigned to AWI Licensing LLC, Wilmington, DE (US)
Filed by ARMSTRONG WORLD INDUSTRIES, INC., Lancaster, PA (US)
Filed on Feb. 11, 2023, as Appl. No. 18/108,592.
Claims priority of provisional application 63/309,404, filed on Feb. 11, 2022.
Prior Publication US 2023/0257631 A1, Aug. 17, 2023
Int. Cl. C09J 1/02 (2006.01); C09J 11/06 (2006.01); C09J 11/08 (2006.01)
CPC C09J 1/02 (2013.01) [C09J 11/06 (2013.01); C09J 11/08 (2013.01); C09J 2400/306 (2013.01)] 18 Claims
 
1. A fire-resistant adhesive coating composition comprising:
an ionic polyacrylate dispersant;
aluminum hydroxide present from about 20.0% to about 35.0%, based on the total dry weight of the composition;
potassium silicate present from about 65.0% to about 85.0%, based on the total dry weight of the composition; and
alkoxylated alcohol.