Multifunctional water-borne high solids tile paint

1. A coated building panel comprising:

a body comprising an upper surface opposite a lower surface and a side surface extending between the upper surface and the lower surface;

a coating applied to the side surface of the body, the coating comprising:

an inorganic particle having a disk shape; and

an ionic dispersant comprising an ionic group that are present on a repeating unit and the ionic dispersant comprising at least two of the repeating units; and

a non-ionic and aromatic wetting agent;

wherein the coating has a thickness ranging from about 500 microns to about 1,200 microns;

wherein the inorganic particle comprises kaolin having an average particle size of about 1 μm to about 10 μm; and

wherein the repeating units form a linear backbone of a polymer and the wetting agent is tristyrylphenol ethoxylate.

2. The coated building panel according to claim 1 , wherein the ionic dispersant is present in an amount ranging from about 0.05 wt. % to about 2.0 wt. % based on the total weight of the coating.

3. The coated building panel according to claim 1 , wherein the ionic dispersant is anionic.

4. The coated building panel according to claim 1 , wherein the inorganic particle is present in an amount ranging from about 0.5 wt. % to about 10.0 wt. % based on the total weight of the surface coating.

5. The coated building panel according to claim 1 , wherein the coating further comprises a polymeric binder present in an amount ranging from about 15 wt. % to about 35 wt. % based on the total weight of the coating.

6. The coated building panel according to claim 1 , wherein the coating further comprises a pigment in an amount ranging from about 25 wt. % to about 55 wt. % based on the total weight of the surface coating, wherein the pigment comprises an inorganic particle selected from titanium dioxide, calcium carbonate, and particles exhibiting a color selected from red, blue, yellow, black, brown, violet, grey and combinations thereof.

7. The coated building panel according to claim 1 , wherein the coating is present in an amount ranging from about 750 g/m 2 to about 1,500 g/m 2 and wherein the coating comprises a liquid carrier in an amount less than about 1 wt. % based on the total weight of the coating.

8. The coated building panel according to claim 1 , wherein the body comprises inorganic fiber selected from mineral wool, fiberglass, rock wool, slag wool, and combinations thereof.

9. A coated building panel having a first major exposed surface opposite a second major exposed surface and a side exposed surface extending between the first and second major exposed surfaces, the coated building panel further comprising:

a body comprising an upper surface opposite a lower surface and a side surface extending between the upper surface and the lower surface;

a coating applied to the side surface of the body, the coating comprising:

a first sub-layer applied directly to the side surface of the body; and

a second sub-layer applied to the first sub-layer;

wherein the first sub-layer and the second sub-layer each comprise a coating composition that includes kaolin having a disk shape, a non-ionic and aromatic wetting agent, and an ionic dispersant comprising at least two ionic groups;

wherein the side exposed surface of the coated building panel is formed by the second sub-layer and wherein the coating has a thickness ranging from about 500 microns to about 1,200 microns; and

wherein the wetting agent is tristyrylphenol ethoxylate.

10. The coated building panel according to claim 9 , wherein the ionic dispersant is present in an amount ranging from about 0.05 wt. % to about 2.0 wt. % based on the total weight of the coating.

11. The coated building panel according to claim 9 , wherein the ionic groups form at least a portion of a linear backbone of a polymer and the ionic group is anionic.

12. The coated building panel according to claim 9 , wherein the coating further comprises a polymeric binder present in an amount ranging from about 15 wt. % to about 35 wt. % based on the total weight of the coating.

13. The coated building panel according to claim 9 , wherein the coating further comprises a non-ionic wetting agent comprising at least one aromatic group.

14. The coated building panel according to claim 9 , wherein the coating further comprises a pigment in an amount ranging from about 25 wt. % to about 55 wt. % based on the total weight of the surface coating.

15. The coated building panel according to claim 9 , wherein the first sub-layer has a first thickness and the second sub-layer has a second thickness, wherein the first thickness and second thickness are not equal.

16. A coated building panel having a first major exposed surface opposite a second major exposed surface and a side exposed surface extending there-between, the coating building panel comprising:

a body comprising an upper surface opposite a lower surface and a side surface extending between the upper surface and the lower surface, the body comprises inorganic fiber selected from mineral wool, fiberglass, rock wool, and slag wool;

a coating having a first sub-layer applied directly to the side surface of the body and a second sub-layer applied to the first sub-layer; the coating applied to the side surface of the body in an amount ranging from about 750 g/m 2 to about 1,500 g/m 2 , the coating formed of a composition comprising:

a polymeric binder present in an amount ranging from about 15 wt. % to about 35 wt. % based on the total weight of the coating;

an inorganic particle having a disk shape present in an amount ranging from about 0.5 wt. % to about 10.0 wt. % based on the total weight of the surface coating;

an ionic dispersant comprising an anionic group present on a repeating unit that forms a linear backbone of a polymer, the ionic dispersant comprising at least two of the repeating units, and the ionic dispersant is present in an amount ranging from about 0.05 wt. % to about 2.0 wt. % based on the total weight of the coating;

a pigment in an amount ranging from about 25 wt. % to about 55 wt. % based on the total weight of the surface coating;

a non-ionic wetting agent comprising at least one aromatic group; and

the coating having a liquid carrier in an amount less than about 1 wt. % based on the total weight of the coating;

wherein the side exposed surface of the coated building panel is formed by the second sub-layer and wherein the coating has a thickness ranging from about 500 microns to about 1,200 microns;

wherein the side exposed surface has a varied macroscopic texture; and

wherein the wetting agent is tristyrylphenol ethoxylate.

17. The coated building panel according to claim 16 , wherein the first sub-layer has a first thickness and the second sub-layer has a second thickness, wherein the first thickness and second thickness are not equal.