GYPSUM PANELS, SYSTEMS, AND METHODS
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United States of America Patent
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Issued Date -
Aug 10, 2023
app pub date -
Apr 18, 2023
filing date -
Sep 7, 2018
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Abstract
Gypsum panels and methods of making the same are provided. A method of making a gypsum panel includes forming a first gypsum slurry by combining stucco, water, a siliconate, and a phosphate salt or polymer, and setting the first gypsum slurry to form at least part of a core of the gypsum panel, wherein the gypsum panel displays a 2-hour water absorption test weight increase of at least 10 weight percent less than an otherwise identical comparative panel containing no phosphate salt or polymer in its core.
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