	US 12,116,499 B2
	Water borne sealer
Michael R. Koerner, Media, PA (US); John V. Haslett, Lake Orion, MI (US); Matthew Pinter, Grosse Pointe Woods, MI (US); Manish Mittal, Cupertino, CA (US); and Margaret Joyce Schooler, Hockessin, DE (US)
Assigned to AXALTA COATING SYSTEMS IP CO., LLC, Wilmington, DE (US)
Filed by AXALTA COATING SYSTEMS IP CO., LLC, Wilmington, DE (US)
Filed on Aug. 17, 2020, as Appl. No. 16/995,543.
Claims priority of provisional application 62/893,406, filed on Aug. 29, 2019.
Prior Publication US 2021/0062034 A1, Mar. 4, 2021
Int. Cl. C09D 175/06 (2006.01); B05D 7/00 (2006.01); B05D 7/16 (2006.01); C09D 133/08 (2006.01)

CPC C09D 175/06 (2013.01) [B05D 7/16 (2013.01); B05D 7/574 (2013.01); C09D 133/08 (2013.01)]

19 Claims

1. A water-borne sealer composition comprising:

an acrylic latex resin;

a polyurethane dispersion (PUD); a rust inhibitor;

an activator, wherein the activator comprises a polyisocyanate crosslinker having an isocyanate functionality of greater than 2; and

water, wherein the acrylic latex resin is a fully crosslinked acrylic latex resin free of a core-shell latex, and wherein the PUD comprises a hydroxyl functional reaction product of a polyisocyanate and a polyol comprising a polycarbonate diol.