Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Paul Reed0
Qingxia Liu0
Xuming Wang0
Qiang Yu0
Date of Patent
March 13, 2012
0Patent Application Number
128881620
Date Filed
September 22, 2010
0Patent Citations Received
0
Patent Primary Examiner
Patent abstract
Polymerization of siloxane is improved using a gypsum-based slurry that includes stucco, Class C fly ash, magnesium oxide and an emulsion of siloxane and water. This slurry is used in a method of making water-resistant gypsum articles that includes making an emulsion of siloxane and water, then combining the slurry with a dry mixture of stucco, magnesium oxide and Class C fly ash. The slurry is then shaped as desired and the stucco is allowed to set and the siloxane polymerizes.
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