US 11,999,867 B2
Coating composition and coated substrate
Gail D. Winterbottom, Shakopee, MN (US); Aditi Chavannavar, Milford, MI (US); Sarah Kay O' Boyle, Livonia, MI (US); and Monica Santos-Verbrick, Shakopee, MN (US)
Assigned to SIKA TECHNOLOGY AG, Baar (CH)
Filed by SIKA TECHNOLOGY AG, Baar (CH)
Filed on Apr. 26, 2020, as Appl. No. 16/858,647.
Claims priority of provisional application 62/855,297, filed on May 31, 2019.
Prior Publication US 2020/0377757 A1, Dec. 3, 2020
Int. Cl. C09D 175/04 (2006.01); C08F 220/20 (2006.01); C08G 18/08 (2006.01); C08G 18/10 (2006.01); C08G 18/62 (2006.01); C08G 18/73 (2006.01); C08L 25/14 (2006.01); E04B 2/00 (2006.01)
CPC C09D 175/04 (2013.01) [C08F 220/20 (2013.01); C08G 18/0866 (2013.01); C08G 18/10 (2013.01); C08G 18/6229 (2013.01); C08G 18/73 (2013.01); C08L 25/14 (2013.01); E04B 2/00 (2013.01); C08L 2201/52 (2013.01)] 31 Claims
 
1. A two-component water-based acrylic urethane coating composition that is able to adhere to polyurethane foam board, the composition comprising:
a first component comprising about 40 to about 80 weight percent of a hydroxyl functional acrylic polymer emulsion, and (ii) from about 2.5 to about 15 weight percent of pigment; and
a second component comprising a water-emulsifiable isocyanate,
wherein the first component and the second component are provided in respective volumes that correspond to a volume mixing ratio in a range of from 4:1 to 8:1.