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US 2021/0171398 A1Published application
Gypsum panels, systems, and methods
AssigneeGeorgia-Pacific Gypsum LLC
InventorsXian-Yong WANG, Stuart Brandon GILLEY
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Abstract
Methods of making gypsum panels, and the panels and systems of panels prepared by such methods are provide. The methods include forming a first gypsum slurry by combining stucco, water, and a siliconate and setting the first gypsum slurry to form at least part of a core of the gypsum panel.
Claims20
A method of making a gypsum panel, comprising:
- forming a first gypsum slurry by combining stucco, water, a siloxane, and a siliconate;
- and
- setting the first gypsum slurry to form at least part of a core of the gypsum panel,
- wherein a ratio of siloxane to siliconate in the first gypsum slurry is from about 1:1 to about 1:50.
1 more element
A method of making a gypsum panel, comprising:
- forming a first gypsum slurry by combining stucco, water, and a siliconate;
- and
- setting the first gypsum slurry to form at least part of a core of the gypsum panel,
- wherein the siliconate is present in the first gypsum slurry in an amount of 3 lb/msf to about 50 lb/msf, for a gypsum panel having a thickness of about ¼ inch to about 1 inch, and
- wherein the first gypsum slurry contains no siloxane.
2 more elements
Dependencies are inferred from the claim text.