USE OF ALDEHYDE SCAVENGERS IN INTERIOR BUILDING PRODUCTS
A coating for application to the surface of an interior building product comprises: a resin formulation such as a melamine formaldehyde resin characterized by its ability to strengthen the interior building product when applied as a coating to the building product; and an aldehyde scavenger selected from the group consisting of; tetraethylene pentamine, propionamide, caprolactam, ammonium hydroxide, sodium bisulfate, sodium metabisulfite, ammonium primary phosphate, ammonium secondary phosphate, a combination of ammonium primary phosphate and ammonium secondary phosphate, a combination of ammonium primary phosphate, ammonium secondary phosphate and a sulfite, a polyvinyl alcohol; adipic dihydrazide and a combination of a polyvinyl alcohol and adipic dihydrazide.
1 . A coating for application to the surface of an interior building product comprising:
a resin formulation characterized by its ability to strengthen the interior building product when applied as a coating to the building product; and
an aldehyde scavenger selected from the group consisting of; tetraethylene pentamine, propionamide, caprolactam, ammonium hydroxide, sodium bisulfate, sodium metabisulfite, ammonium primary phosphate, ammonium secondary phosphate, a combination of ammonium primary phosphate and ammonium secondary phosphate, a combination of ammonium primary phosphate, ammonium secondary phosphate and a sulfite, a polyvinyl alcohol; adipic dihydrazide and a combination of a polyvinyl alcohol and adipic dihydrazide.
2 . The coating of claim 1 wherein the interior building product comprises ceiling tile.
3 . The coating of claim 1 wherein the resin formulation includes a melamine formaldehyde resin.
4 . The coating of claim 3 wherein the aldehyde scavenger comprises a polyvinyl alcohol.
5 . The coating of claim 4 wherein the polyvinyl alcohol comprises a polyvinyl alcohol having a CAS Number of 25213-24-5.
6 . The coating of claim 5 wherein the interior building product comprises ceiling tile.
7 . The coating of claim 1 wherein the aldehyde scavenger comprises adipic dihydrazide.
8 . The coating of claim 7 wherein the interior building product comprises ceiling tile.
9 . The coating of claim 3 wherein the melamine formaldehyde resin formulation comprises by weight:
approximately 10% to 20% of a melamine formaldehyde resin;
approximately 20% to 60% of a calcium carbonate filler and approximately 0% to 10% of a clay filler;
approximately 20% to 80% water;
a catalyst selected from the group consisting of; ammonium chloride, magnesium chloride and a combination of ammonium chloride and magnesium chloride; and
sufficient defoamer to suppress the formation of any foam in the resin formulation.
10 . The coating of claim 9 wherein the melamine formaldehyde resin formulation comprises by weight:
approximately 10% to 20% of a melamine formaldehyde resin;
approximately 35% of a calcium carbonate filler and approximately 5% of a clay filler; and
approximately 40% water;
11 . The coating of claim 10 wherein the aldehyde scavenger comprises a polyvinyl alcohol.
12 . The coating of claim 11 wherein the polyvinyl alcohol comprises a polyvinyl alcohol having a CAS Number of 25213-24-5.
13 . The coating of claim 12 wherein the interior building product comprises ceiling tile.
14 . The coating of claim 10 wherein the aldehyde scavenger comprises adipic dihydrazide.
15 . The coating of claim 14 wherein the interior building product comprises ceiling tile.
16 . The coating of claim 10 wherein the aldehyde scavenger comprises a combination of a polyvinyl alcohol and adipic dihydrazide.
17 . The coating of claim 16 wherein the interior building product comprises ceiling tile.
18 . The coating of claim 17 wherein the polyvinyl alcohol comprises a polyvinyl alcohol having a CAS Number of 25213-24-5.
19 . The coating of claim 18 wherein the interior building product comprises ceiling tile.