US 11,898,049 B2
High solids coatings for building panels
John E. Hughes, Lincoln University, PA (US); and Steven L Masia, Lancaster, PA (US)
Assigned to AWI Licensing LLC, Wilmington, DE (US)
Filed by ARMSTRONG WORLD INDUSTRIES, INC., Lancaster, PA (US)
Filed on Nov. 18, 2021, as Appl. No. 17/529,540.
Application 17/529,540 is a division of application No. 16/114,369, filed on Aug. 28, 2018, granted, now 11,267,984.
Claims priority of provisional application 62/694,550, filed on Jul. 6, 2018.
Claims priority of provisional application 62/551,514, filed on Aug. 29, 2017.
Prior Publication US 2022/0073778 A1, Mar. 10, 2022
Int. Cl. C09D 131/04 (2006.01); C08K 3/22 (2006.01); C08K 3/26 (2006.01); C09D 7/63 (2018.01); E04C 2/04 (2006.01); C09D 7/61 (2018.01); C09D 7/43 (2018.01); C09D 7/45 (2018.01); C08K 5/10 (2006.01); C08K 3/34 (2006.01); E04C 2/00 (2006.01); C09D 7/06 (2006.01)
CPC C09D 131/04 (2013.01) [C08K 3/22 (2013.01); C08K 3/26 (2013.01); C09D 7/06 (2013.01); C09D 7/43 (2018.01); C09D 7/45 (2018.01); C09D 7/63 (2018.01); E04C 2/043 (2013.01); C08K 3/34 (2013.01); C08K 5/10 (2013.01); C08K 2003/2227 (2013.01); C08K 2003/2241 (2013.01); C08K 2003/265 (2013.01); C08L 2205/03 (2013.01); E04C 2002/005 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A building system comprising:
a first building panel positioned adjacent to a second building panel, and a seam formed between the first and second building panels;
a seam-filling material applied to the seam;
a coating applied to the first and second building panels and the seam-filling material, the coating comprising:
a binder having a pH of at least about 7.0 and a Tg of at least 20° C.;
a pigment; and
a viscosity modifier;
wherein the pigment and the binder are present in a weight ratio of at least about 5:1;
wherein the viscosity modifier comprises a humectant and a dispersant; and
wherein the humectant and the dispersant are present in a weight ratio ranging from about 1:1 to about 4:1; and
wherein the pigment comprises titanium dioxide, calcium carbonate, alumina trihydrate, and diatomaceous earth.