Color changing wall compounds and methods of use
A wall compound for use in all applications and particularly well-suited indicating dryness with a durable, visible change in color.
1 . A wall compound comprising:
a latex resin or resin binder;
a filler material comprising soda-lime-borosilicate glass bubbles;
a drying indicator, wherein the drying indicator includes a phthalein-containing pH color change indicator; and
an inhibitor comprising at least one of a barium cation and calcium cation;
and wherein the compound is alkaline, shelf stable, and demonstrates a human-observable change in color upon drying.
2 . The wall compound of claim 1 , wherein the drying indicator is a thymolphthalein-based pH color change indicator.
3 . The wall compound of claim 2 , wherein the drying indicator is selected from the group consisting of thymolphthalein, dibromothymolphthalein, thymoltetrachlorophthalein, and dibromothymoltetrachlorophthalein, and combinations thereof.
4 . The wall compound of claim 1 , where the filler further comprises calcium carbonate.
5 . The wall compound of claim 1 , wherein the composition includes a thickener package.
6 . The wall compound of claim 5 , wherein the thickener package includes at least one of a cellulosic thickener and a HASE thickener.
7 . The wall compound of claim 6 , wherein the thickener package includes a cellulosic thickener comprising HEC.
8 . The wall compound of claim 1 , wherein the latex resin or resin binder is 100% acrylate.
9 . The wall compound of claim 1 , wherein the wall compound further comprises at least one of a pH control agent and a smoothing agent.
10 . The wall compound of claim 9 , wherein the smoothing agent is an organic ether smoothing agent.
11 . The wall compound of claim 9 , wherein the pH control agent comprises at least one of NaOH, KOH, K 2 CO 3 .
12 . The wall compound of claim 1 , wherein the inhibitor includes barium hydroxide, calcium chloride, or combinations thereof.
13 . The wall compound of claim 1 , further comprising titanium dioxide.
14 . A kit, comprising:
the wall compound of claim 1 ; and
a tool for applying, smoothing, or removing the repair compound.
15 . The kit of claim 14 , further including instructions for using at least one of the repair compound and the tool.
16 . A wall compound comprising:
an acrylic binder;
a filler material comprising soda-lime-borosilicate glass bubbles;
a drying indicator, wherein the drying indicator includes a phthalein-containing pH color change indicator; and
an inhibitor comprising a barium cation;
and wherein the compound is alkaline and demonstrates a human-observable change in color upon drying.
17 . The wall compound of claim 16 , wherein the drying indicator is a thymolphthalein-based pH color change indicator.
18 . The wall compound of claim 17 , wherein the drying indicator is selected from the group consisting of thymolphthalein, dibromothymolphthalein, thymoltetrachlorophthalein, and dibromothymoltetrachlorophthalein, and combinations thereof.
19 . The wall compound of claim 16 , where the filler further comprises calcium carbonate.