Color-changing wood filler
View Patent ↗A composition for use as a wood-filter that includes a modified styrene butadiene latex; at least one pH indicator, wherein pH indicator causes the composition to change color as the composition dries; one or more types of microspheres, wherein the microspheres provide durability and stainability to the wood-filling composition; and high-density polyethylene fibers.
1. A composition for use as a wood-filler, consisting of:
(a) a styrene butadiene latex;
(b) at least one pH indicator, wherein the at least one pH indicator is operative to provide a visual indication that the composition is dry, and wherein the visual indication is based on a color change of the composition that occurs as the composition dries;
(c) microspheres, wherein the microspheres comprise glass or ceramic or both, and wherein the microspheres provide durability and stainability to the composition;
(d) at least one slump resister comprising high-density polyethylene fibers;
(e) water;
(f) at least one pH controller;
(g) at least one surfactant;
(h) at least one dispersant;
(i) at least one freeze-thaw stabilizer;
(j) at least one bactericide;
(k) at least one defoamer;
(l) at least one thickener;
(m) at least one calcium carbonate filler; and
(n) at least one film former.
2. The composition of claim 1 , wherein the at least one freeze-thaw stabilizer includes propylene glycol; wherein the at least one bactericide includes an aqueous blend of chlorinated and non-chlorinated isothiazolinones and 2-bromo-2-nitro-1,3-propanediol; wherein the at least one thickener includes hydroxypropyl methylcellulose; wherein the at least one calcium carbonate filler includes dry ground calcium carbonate; and wherein the at least one film former contains dipropylene glycol n-propyl ether.
3. The composition of claim 1 , wherein the at least one pH indicator is o-Cresolphthalein.
4. The composition of claim 1 , wherein the high-density polyethylene fibers have an average fiber length of about 0.1 mm, a fiber diameter of about 5 μm, and a surface area of about 12 m 2 /gm.
5. The composition of claim 1 , wherein upon drying, the color of the composition changes from purple to white.
6. A composition for use as a wood-filler, consisting of:
(a) a styrene butadiene latex;
(b) at least one pH indicator, wherein the at least one pH indicator is operative to provide a visual indication that the composition is dry, and wherein the visual indication is based on a color change of the composition that occurs as the composition dries;
(c) microspheres, wherein the microspheres include glass or ceramic or both, and wherein the microspheres provide durability and stainability to the composition;
(d) a slump resister comprising high-density polyethylene fibers having an average fiber length of about 0.1 mm, a fiber diameter of about 5 μm, and a surface area of about 12 m 2 /gm;
(e) water;
(f) at least one pH controller;
(g) at least one surfactant;
(h) at least one dispersant;
(i) at least one freeze-thaw stabilizer;
(j) at least one bactericide;
(k) at least one defoamer;
(l) at least one thickener;
(m) at least one calcium carbonate filler; and
(n) at least one film former.
7. The composition of claim 6 , wherein the at least one freeze-thaw stabilizer includes propylene glycol; wherein the at least one bactericide includes an aqueous blend of chlorinated and non-chlorinated isothiazolinones and 2-bromo-2-nitro-1,3-propanediol; wherein the at least one thickener includes hydroxypropyl methylcellulose; wherein the at least one calcium carbonate filler includes dry ground calcium carbonate; and wherein the at least one film former contains dipropylene glycol n-propyl ether.
8. The composition of claim 1 , wherein the at least one pH indicator is o-Cresolphthalein.
9. The composition of claim 1 , wherein upon drying, the color of the composition changes from purple to white.
10. A wood-filler composition, consisting of:
(a) a styrene butadiene latex;
(b) at least one pH indicator, wherein the at least one pH indicator is operative to provide a visual indication that the composition is dry, and wherein the visual indication is based on a color change of the composition that occurs as the composition dries;
(c) microspheres, wherein the microspheres comprise glass or ceramic or both, and wherein the microspheres provide durability and stainability to the wood-filler composition;
(d) a slump resister;
(e) water;
(f) at least one pH controller;
(g) at least one surfactant;
(h) at least one dispersant;
(i) at least one freeze-thaw stabilizer;
(j) at least one bactericide;
(k) at least one defoamer;
(l) at least one thickener;
(m) at least one calcium carbonate filler; and
(n) at least one film former.
11. The composition of claim 10 , wherein the slump resister comprises high-density polyethylene fibers.
12. The composition of claim 11 , wherein the high-density polyethylene fibers have an average fiber length of about 0.1 mm, a fiber diameter of about 5 μm, and a surface area of about 12 m 2 /gm.
13. The composition of claim 10 , wherein the at least one freeze-thaw stabilizer includes propylene glycol; wherein the at least one bactericide includes an aqueous blend of chlorinated and non-chlorinated isothiazolinones and 2-bromo-2-nitro-1,3-propanediol; wherein the at least one thickener includes hydroxypropyl methylcellulose; wherein the at least one calcium carbonate filler includes dry ground calcium carbonate; and wherein the at least one film former contains dipropylene glycol n-propyl ether.
14. The composition of claim 10 , wherein the at least one pH indicator is o-Cresolphthalein.
15. The composition of claim 10 , wherein upon drying, the color of the composition changes from purple to white.