- 专利标题： Method for making a lightweight gypsum composition with internally generated foam and products made from same
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申请号： US15711583申请日： 2017-09-21
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公开(公告)号： US10737981B2公开(公告)日： 2020-08-11
- 发明人: Samar Emami , Salvatore C. Immordino , Robert H. Negri , David D. Pelot , Jeffrey F. Grussing , Juan Carlos Ruiz Castañeda , Christopher R. Nelson , John Jason Roxburgh , Srinivas Veeramasuneni
- 申请人： UNITED STATES GYPSUM COMPANY
- 申请人地址： US IL Chicago
- 专利权人： UNITED STATES GYPSUM COMPANY
- 当前专利权人： UNITED STATES GYPSUM COMPANY
- 当前专利权人地址： US IL Chicago
- 代理机构： Vorys, Sater, Seymour and Pease LLP
- 代理商 Pradip Sahu; Philip T. Petti
- 主分类号： C04B28/14
- IPC分类号： C04B28/14 ; C04B38/02 ; C04B22/04 ; C04B22/10 ; C04B40/00 ; C04B22/06 ; C04B22/14 ; C04B38/10 ; C04B111/00
摘要：
A gypsum-based composition of calcium sulfate hemihydrate with (a) alum and calcium carbonate and/or (b) zeolite and sodium percarbonate for making foamed gypsum slurry. A method to make foamed gypsum slurry from the composition. A method to make foamed gypsum product from the composition. A cavity wall having a cavity filled with the foamed gypsum product.
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