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US 10,246,378 B2Granted
Building products composites and methods
AssigneeGeorgia-Pacific Gypsum LLC
InventorsMianxue Wu, Jeffery T. Fields, Sara E. Endres
Life of this patent
Estimating the term…
Abstract
Methods of manufacturing composites are provided, including combining dihydrate calcium sulfate whiskers, hemihydrate calcium sulfate stucco, and water to form a slurry, and setting the slurry to form a composite having a natural porosity of about 60 volume percent or greater. Composites are also provided, including dihydrate calcium sulfate whiskers and dihydrate calcium sulfate crystals, and having a natural porosity of about 60 volume percent or greater.
Claims13
A composite, comprising:
- a nuclei seeding agent comprising dihydrate calcium sulfate whiskers;
- and
- dihydrate calcium sulfate crystals formed about the dihydrate calcium sulfate whiskers, such that the composite has a natural porosity of about 60 volume percent or greater and a density of about 40 lb/ft3 or less,
- wherein the composite does not contain a foaming agent or microspheres.
1 more element
A composite, comprising:
- a nuclei seeding agent comprising dihydrate calcium sulfate whiskers;
- and
- dihydrate calcium sulfate crystals formed about the dihydrate calcium sulfate whiskers, such that the composite has a natural porosity of about 60 volume percent or greater,
- wherein the composite does not contain a foaming agent or microspheres.
1 more element
Dependencies are inferred from the claim text.