COATING COMPOSITION
Described herein is a building panel comprising a body having an upper surface opposite a lower surface and a side surface extending there-between, a coating applied to the side surface, the coating comprising a binder, a pigment composition, and an amphoteric surfactant.
1 . A building panel comprising:
a body having an upper surface opposite a lower surface and a side surface extending there-between;
a coating applied to the side surface, the coating comprising:
a binder;
a pigment composition; and
an amphoteric surfactant.
2 . The building panel according to claim 1 , wherein the amphoteric surfactant is alkyl imino dipropionic acid.
3 . The building panel according to claim 1 , wherein the amphoteric surfactant is present in an amount ranging from about 0.01 wt. % to about 0.3 wt. % based on the total weight of the coating.
4 . The building panel according to claim 1 , wherein coating is applied to the side surface in an amount ranging from about 6 g/m 2 to about 10 g/m 2.
5 . The building panel according to claim 1 , wherein the pigment composition is present in an amount ranging from about 40 wt. % to about 80 wt. % based on total weight of the coating.
6 . The building panel according to claim 1 , wherein the pigment composition comprises one or more of titanium dioxide, alkali metal silicate, clay, alkaline metal carbonate, diatomaceous earth, and blends thereof.
7 . (canceled)
8 . The building panel according to claim 6 , wherein the alkali metal silicate is present in an amount ranging from about 0.3 wt. % to about 3.5 wt. % based on the total weight of the pigment composition:
wherein the clay comprises at least one of kaolin, calcined kaolin, and blends thereof;
wherein the clay is present in an amount ranging from about 10.0 wt. % to about 30.0 wt. % based on the total weight of the pigment composition.
9 .- 11 . (canceled)
12 . The building panel according to claim 1 , wherein the binder is present in an amount ranging from about 4.0 wt. % to about 15.0 wt. % based on the total weight of the coating.
13 . The building panel according to claim 1 , further comprising 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, whereby the coating forms the side exposed surface of the building panel.
14 . The building panel according to claim 1 , wherein the body is a porous and formed of a fibrous material; and wherein the body exhibit an NRC value of at least 0.5.
15 - 17 . (canceled)
18 . A coating composition comprising:
a liquid carrier; and
a blend of solid component, the blend comprising
a binder;
a pigment composition; and
an amphoteric surfactant;
wherein the liquid carrier is present in an amount ranging from about 15 wt. % to about wt. % based on the total weight of the liquid carrier and the blend of solid component.
19 . The coating composition according to claim 18 , wherein the amphoteric surfactant is alkyl imino dipropionic acid.
20 . The coating composition according to claim 18 , wherein the amphoteric surfactant is present in an amount ranging from about 0.01 wt. % to about 0.3 wt. % based on the total weight of the blend of solid component.
21 . The coating composition according to claim 18 , wherein the pigment composition is present in an amount ranging from about 40 wt. % to about 80 wt. % based on total weight of the solid component.
22 . The coating composition according to claim 18 , wherein the pigment composition comprises one or more of titanium dioxide, alkali metal silicate, clay, alkaline metal carbonate, diatomaceous earth, and blends thereof.
23 . (canceled)
24 . The coating composition according to claim 22 , wherein the alkali metal silicate is present in an amount ranging from about 0.3 wt. % to about 3.5 wt. % based on the total weight of the pigment composition;
wherein the clay comprises at least one of kaolin, calcined kaolin, and blends thereof;
wherein the clay is present in an amount ranging from about 10.0 wt. % to about 30.0 wt. % based on the total weight of the pigment composition;
wherein the alkaline metal carbonate is present in an amount ranging from about 55 wt. % to about 80 wt. % based on the total weight of the pigment composition; and
wherein the binder is a vinyl acetate/acrylic copolymer.
25 - 27 . (canceled)
28 . The coating composition according to claim 18 , wherein the binder is present in an amount ranging from about 4.0 wt. % to about 15.0 wt. % based on the total weight of the coating.
29 - 32 . (canceled)
33 . The coating composition according to claim 18 , wherein the liquid carrier is present in an amount ranging from about 20 wt. % to about 30 wt. % based on the total weight of the liquid carrier and blend of slid component.
34 . A method of forming a building panel comprising
a) applying the coating composition according to claim 19 to at least one of a side surface of a body; and
b) drying the coating composition so that substantially all of the liquid carrier is removed from the coating composition.
35 . The method according to claim 35 , wherein the coating composition in step a) is applied to the side surface of the body in an amount ranging from about 6 g/m 2 to about 10 g/m 2.
36 - 38 . (canceled)