Joint compounds and textures building compositions including flotation tailings of milled ore as filler and methods of making the building compositions
AssigneeUnited States Gypsum Company
InventorsPhanindra KODALI, Christian Terrell HUCH, David Daniel PELOT, Naveen Kumar PUNATI
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Abstract
A building composition, such as a joint compound or texture, including flotation tailings of mined ore as a primary filler, and method of making the building composition. The joint compound may be a drying type joint compound or a setting type joint compound. The joint compound or texture may also include at least one secondary filler. The setting type joint compound may also include calcium sulfate hemihydrate.
Claims20
A building composition, wherein the building composition is a joint compound or a texture coating material, comprising a mixture of ingredients comprising:
- flotation tailings of mined ore as a primary filler,
- wherein the tailings of mined ore is at least 1 weight percent (wt %) of the building composition on a dry (water free) basis, typically ranges of:
- a binder at about 0.5 to about 15 wt % of the building composition on a dry basis;
- a polymer thickener at 0 to about 3 wt % of the building composition on a dry basis;
- an additive at 0 to about 10 wt % of the building composition on a dry basis.
Dependencies are inferred from the claim text.