STABILIZATION OF ANTIMICROBIAL COATINGS
Described herein is a coated building panel comprising: a substrate comprising a first major surface opposite a second major surface; a coating atop at least one of the first major surface or the second major surface, the coating comprising: a binder composition; an antimicrobial composition comprising a cationic compound; a stabilization composition comprising: a silicate compound; and a surfactant having an HLB value between about 10 and about 14.
1 . A coated building panel comprising:
a substrate comprising a first major surface opposite a second major surface;
a coating atop at least one of the first major surface or the second major surface, the coating comprising:
a binder composition;
an antimicrobial composition comprising a cationic compound;
a stabilization composition comprising:
a silicate compound; and
a surfactant having an HLB value between about 10 and about 14.
2 . The coated building panel according to claim 1 , wherein the binder composition comprises an anionic binder.
3 . The coated building panel according to claim 1 , wherein the binder composition comprises an emulsion polymer, selected from an alkyd emulsion, styrene acrylic, and combinations thereof.
4 . (canceled)
5 . The coated building panel according to claim 1 , wherein the binder composition is present in an amount ranging from about 4.0 wt. % to about 80.0 wt. % based on the total weight of the coating.
6 . The coated building panel according to claim 1 , wherein the cationic compound comprises quaternary ammonium compounds, and wherein the quaternary ammonium compounds is present in an amount ranging from about 0.1 wt. % to about 10.0 wt. % based on the total weight of the coating.
7 . (canceled)
8 . The coated building panel according to claim 1 , wherein the silicate compound is thixotropic, and wherein the silicate compound is present in an amount ranging from about 0.1 wt. % to about 1.0 wt. % based on the total weight of the coating.
9 . The coated building panel according to claim 1 , wherein the silicate compound is lithium sodium magnesium silicate.
10 . (canceled)
11 . The coated building panel according to claim 1 , wherein the surfactant is present in an amount ranging from about 0.2 wt. % to about 14.0 wt. % based on the total weight of the coating.
12 . The coated building panel according to claim 1 , wherein the substrate is a fibrous body.
13 . A coating composition comprising:
a liquid carrier;
a solid blend comprising:
a binder composition;
an antimicrobial composition comprising a cationic compound;
a stabilization composition comprising:
a silicate compound; and
a surfactant having an HLB value between about 10 and about 14.
14 . The coating composition according to claim 13 , wherein the binder composition comprises an anionic binder.
15 . The coating composition according to claim 13 , wherein the binder composition comprises an emulsion polymer, and wherein the emulsion polymer is selected from an alkyd emulsion, styrene acrylic, and combinations thereof.
16 . (canceled)
17 . The coating composition according to claim 13 , wherein the binder composition is present in an amount ranging from about 4.0 wt. % to about 80.0 wt. % based on the total weight of the solid blend.
18 . The coating composition according to claim 13 , wherein the cationic compound comprises quaternary ammonium compounds, and wherein the quaternary ammonium compounds is present in an amount ranging from about 0.1 wt. % to about 10.0 wt. % based on the total weight of the solid blend.
19 . (canceled)
20 . The coating composition according to claim 13 , wherein the silicate compound is thixotropic, and wherein the silicate compound is present in an amount ranging from about 0.1 wt. % to about 1.0 wt. % based on the total weight of the solid blend.
21 . The coating composition according to claim 13 , wherein the silicate compound is lithium sodium magnesium silicate.
22 . (canceled)
23 . The coating composition according to claim 13 , wherein the surfactant is present in an amount ranging from about 0.2 wt. % to about 14.0 wt. % based on the total weight of the solid blend.
24 . The coating composition according to any one of claims 13 to 23 , wherein the liquid carrier comprises water, and wherein the liquid carrier is present in an amount ranging from about 5.0 wt. % to about 80.0 wt. % based on the total weight of the coating composition.
25 . (canceled)
26 . A method of forming a coated building panel comprising
a) applying the coating composition according to claim 13 to a substrate; and
b) drying the coating composition so that substantially all liquid carrier is removed to form the coated building panel,
wherein step b) is performed at a temperature ranging from about 80° C. to about 135° C.
27 . The method according to claim 26 wherein the substrate comprises a fibrous body.
28 . (canceled)