US 11,753,550 B2
Borate and silicate coating for improved acoustical panel performance and methods of making same
Qinghua Li, Rolling Meadows, IL (US); and Naser Aldabaibeh, Homer Glen, IL (US)
Assigned to USG INTERIORS, LLC, Chicago, IL (US)
Filed by USG INTERIORS, LLC, Chicago, IL (US)
Filed on Jun. 14, 2018, as Appl. No. 16/9,053.
Prior Publication US 2019/0382589 A1, Dec. 19, 2019
Int. Cl. C09D 1/02 (2006.01); C09D 7/61 (2018.01); E04B 1/86 (2006.01); E04B 9/04 (2006.01); C08K 3/013 (2018.01)
CPC C09D 1/02 (2013.01) [C09D 7/61 (2018.01); E04B 1/86 (2013.01); E04B 9/045 (2013.01); C08K 3/013 (2018.01)] 20 Claims
OG exemplary drawing
1. A coated fibrous panel comprising:
a fibrous panel comprising a starch and a mineral wool fiber, the fibrous panel having a backing side and an opposing facing side, the fibrous panel having a cured coating layer disposed on at least one side of the fibrous panel, the cured coating layer comprising:
10 to 100 wt. % inorganic binder, based on the total weight of the cured coating layer,
wherein the inorganic binder comprises a borate salt and a metal silicate selected from the group consisting of alkali metal silicates, alkaline earth metal silicates, and combinations thereof, and the inorganic binder is water soluble.