US 11,773,285 B2
Sealers, methods of producing sealers, and methods of sealing construction products
Eric Krall, Minneapolis, MN (US); James Bailey, Trinity, NC (US); and Fong Vang, Columbus, MN (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 Feb. 24, 2021, as Appl. No. 17/184,230.
Claims priority of provisional application 62/981,156, filed on Feb. 25, 2020.
Prior Publication US 2021/0261812 A1, Aug. 26, 2021
Int. Cl. C09D 163/04 (2006.01); C09D 7/61 (2018.01); C09D 5/00 (2006.01); C08G 59/50 (2006.01); C08G 59/38 (2006.01)
CPC C09D 163/04 (2013.01) [C08G 59/38 (2013.01); C08G 59/50 (2013.01); C09D 5/00 (2013.01); C09D 7/61 (2018.01)] 8 Claims
 
1. A sealer comprising:
a first part, wherein the first part comprises an epoxy resin having an epoxy resin molecular weight of about 5,000 Daltons or greater, an epoxy functional diluent having a diluent molecular weight of about 2,000 Daltons or less, an epoxy silane oligomer, and water, wherein the epoxy resin is a glycidylated novolac resin, and the epoxy functional diluent is 1,4 butanediol diglycidyl ether;
a second part, wherein, the second part comprises a crosslinking agent, and wherein the crosslinking agent is a modified polyamine adduct, and wherein the second part further comprises an acid;
a particulate having a specific gravity of from about 1 to about 5 grams per cubic centimeter, wherein the particulate is talc; and
wherein the glycidylated novolac resin is present in the sealer in an amount of from about 5 to about 30 weight percent, the 1,4 butanediol diglycidyl ether is present in the sealer in an amount of from about 2 to about 45 weight percent, the particulate is present in the sealer in an amount of from about 4 to about 30 weight percent, the epoxy silane oligomer is present in the sealer in an amount of from about 0.5 to about 5 weight percent, the modified polyamine adduct is present in the sealer in an amount of from about 5 to about 55 weight percent, and the water is present in the sealer in an amount of from about 15 to about 75 weight percent, all based on a total weight of the sealer, where the total weight of the sealer is the sum of a total weight of each part of the sealer.