Gypsum Panel Having Enhanced Sustainability
AssigneeGold Bond Building Products, LLC
InventorsRatnasabapathy Gurunathan Iyer, Eli Stav
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Abstract
The present invention is directed to a gypsum panel with reduced water usage and a method of making such gypsum panel. For instance, in one aspect, the gypsum panel comprises a gypsum core and a first facing material and a second facing material sandwiching the gypsum core, wherein the gypsum core includes gypsum and a water reduction agent. The methods of the present invention are directed to making the aforementioned gypsum panels. For instance, a method may include providing the first facing material, providing a gypsum slurry comprising gypsum, water, and a water reduction agent onto the first facing material, and providing a second facing material on the gypsum slurry.
Claims22
A gypsum panel comprising:
- a gypsum core comprising gypsum and a water reduction agent, the water reduction agent being present in the gypsum panel in an amount from about 1 wt. % to about 20 wt. % based on the weight of the gypsum core;
- and
- a first facing material and a second facing material sandwiching the gypsum core.
A gypsum panel comprising:
- a gypsum core comprising gypsum and a water reduction agent, wherein the gypsum core is formed from a gypsum slurry comprising a ball-milled mixture of the water reduction agent and a stucco;
- and
- a first facing material and a second facing material sandwiching the gypsum core.
Dependencies are inferred from the claim text.