	US 12,258,484 B2
	Process for producing a coated substrate
Yinzhong Guo, Lake Jackson, TX (US); Manesh Nadupparambil Sekharan, Freeport, TX (US); and Yuming Lai, Midland, MI (US)
Assigned to Dow Global Technologies LLC, Midland, MI (US)
Appl. No. 17/250,976
Filed by Dow Global Technologies LLC, Midland, MI (US)
PCT Filed Oct. 2, 2019, PCT No. PCT/US2019/054225 § 371(c)(1), (2) Date Apr. 6, 2021, PCT Pub. No. WO2020/076577, PCT Pub. Date Apr. 16, 2020.
Claims priority of provisional application 62/742,608, filed on Oct. 8, 2018.
Prior Publication US 2021/0395555 A1, Dec. 23, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. C09D 5/02 (2006.01); C08K 5/00 (2006.01); C09D 7/40 (2018.01); C09D 7/42 (2018.01); C09D 133/04 (2006.01)

CPC C09D 133/04 (2013.01) [C08K 5/00 (2013.01); C09D 5/024 (2013.01); C09D 7/42 (2018.01); C09D 7/68 (2018.01); C09D 7/69 (2018.01)]

13 Claims

1. A process comprising:

forming an aqueous matte coating composition comprising

A1) from 20 wt % to 30 wt % beads of a first acrylic polymer having an average particle diameter from 0.1 μm to 2 μm;

A2) from 45 wt % to 55 wt % beads of a second acrylic polymer having an average particle diameter from 0.5 μm to 30 μm;

B) from 15 wt % to 25 wt % of an uncrosslinked acrylic polymer binder having an average particle diameter from 0.03 μm to 0.5 μm;

C) from 0.15 wt % to 2.5 wt % of a slip additive comprising

i) a silicone emulsion selected from the group consisting of polydimethylsiloxane-based emulsions and polydiethylsiloxane-based emulsions, and

ii) an amide wax dispersion;

D) from 0.10 wt % to 0.30 wt % of a defoaming agent;

E) from 0.8 wt % to 1.5 wt % of a rheology modifier; and

F) from 0.01 wt % to 0.1 wt % of at least one wetting agent;

applying the aqueous matte coating composition to a substrate;

drying the aqueous matte coating composition; and

forming a coating on the substrate.