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.
|