	US 12,344,766 B2
	Coatings
Marianne C. Simonsen, Sandefjord (NO); and Celine Abadie, Cliffe Yorkshire (GB)
Assigned to JOTUN A/S, Sandefjord (NO)
Appl. No. 18/253,897
Filed by JOTUN A/S, Sandefjord (NO)
PCT Filed Dec. 3, 2021, PCT No. PCT/EP2021/084280 § 371(c)(1), (2) Date May 22, 2023, PCT Pub. No. WO2022/117878, PCT Pub. Date Jun. 9, 2022.
Claims priority of application No. 20212013 (EP), filed on Dec. 4, 2020.
Prior Publication US 2024/0002681 A1, Jan. 4, 2024
Int. Cl. C09D 5/18 (2006.01); B05D 7/00 (2006.01); C09D 5/00 (2006.01); C09D 7/61 (2018.01); C09D 7/63 (2018.01); C09D 163/00 (2006.01)

CPC C09D 5/185 (2013.01) [B05D 7/584 (2013.01); C09D 5/002 (2013.01); C09D 7/61 (2018.01); C09D 7/63 (2018.01); C09D 163/00 (2013.01); B05D 2502/00 (2013.01); B05D 2503/00 (2013.01); B05D 2518/10 (2013.01)]

10 Claims

1. A process for the application of an intumescent coating system to a substrate comprising

(I) applying to a substrate an intumescent coating composition comprising

i. an epoxy-based binder;

ii. a curing agent;

iii. an expansion agent;

iv. an acid generating compound; and

v. at least 5 wt. % water;

and allowing said composition to cure to form an intumescent coating layer;

(II) applying to a cured or partially cured intumescent coating layer, a top coat composition comprising an acrylic-based binder, a polyurethane binder or a silicone-based binder and at least 10 wt. % water so as to form a top coat layer.