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US 2021/0309571 A1Published application
Method of Forming a Gypsum Panel Including a Starch Layer
AssigneeGold Bond Building Products, LLC
InventorsGene Whittington, Robert Piercy, Tom Griffith, Al Flanders
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Abstract
In the present disclosure, a method of forming a gypsum panel is disclosed. The method comprises: providing a first facing material, forming a starch slurry by combining starch and water at a shear rate of 3,000 rpm or more, providing the starch slurry onto the first facing material, depositing a gypsum slurry comprising stucco and water onto the starch slurry on the first facing material, providing a second facing material on the gypsum slurry, and allowing the stucco to convert to calcium sulfate dihydrate.
Claims20
A method of forming a gypsum panel, the method comprising:
- providing a first facing material,
- forming a starch slurry by combining starch and water at a shear rate of 3,000 rpm or more,
- providing the starch slurry onto the first facing material,
- depositing a gypsum slurry comprising stucco and water onto the starch slurry on the first facing material,
- providing a second facing material on the gypsum slurry, and
- allowing the stucco to convert to calcium sulfate dihydrate.
3 more elements
Dependencies are inferred from the claim text.