US 12,215,244 B1
Wet look coating compositions, articles, and methods
Matthew Andersson, Chicago, IL (US); Ashley Rodgers, Rockford, IL (US); Chris Lefever, Belvidere, IL (US); Karl Booth, Mundelein, IL (US); Christopher Savittieri, Woodstock, IL (US); Robert Sandoval, Crystal Lake, IL (US); Michael C. Wildman, Hoffman Estates, IL (US); Patrick C. Swearingen, Elgin, IL (US); and Thao Mee Xiong, Crystal Lake, IL (US)
Assigned to SWIMC LLC, Cleveland, OH (US)
Filed by SWIMC LLC, Cleveland, OH (US)
Filed on Feb. 9, 2024, as Appl. No. 18/438,269.
Int. Cl. C09D 119/02 (2006.01)
CPC C09D 119/02 (2013.01) 30 Claims
OG exemplary drawing
 
1. A method of coating a cementitious substrate, the method comprising:
causing a wet look coating composition to be applied to at least a portion of the cementitious substrate to provide a hardened wet look coating, the coating composition comprising:
a multistage latex polymer comprising an emulsion polymerized first stage and an emulsion polymerized second stage; wherein the multistage latex polymer has an overall Fox equation Tg of at most 5° C. and comprises:
interpolymerized monomers comprising diacetone acrylamide (DAAM); and
at least one stage having a measured Tg of at least 60° C.;
wherein the composition comprises less than 100 g VOC/L, according to ASTM D6886-2018.