发明公开
- 专利标题： Low Density Gypsum Panel
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申请号： US18319530申请日： 2023-05-18
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公开(公告)号： US20230416153A1公开(公告)日： 2023-12-28
- 发明人: R. G. Iyer , Terry Moser , Bradley J. Busche , Eli Stav , Michael N. Blades , Joseph J. Bailey , Craig Robertson , Daisha Holloman
- 申请人： Gold Bond Building Products, LLC
- 申请人地址： US NC Charlotte
- 专利权人： Gold Bond Building Products, LLC
- 当前专利权人： Gold Bond Building Products, LLC
- 当前专利权人地址： US NC Charlotte
- 主分类号： C04B28/14
- IPC分类号： C04B28/14 ; C04B14/22 ; C04B24/38 ; C04B38/10 ; B32B13/02 ; B32B13/08 ; B32B13/14 ; B32B5/02 ; B32B7/02 ; B32B37/24
摘要：
The present invention is directed to a gypsum panel and a method of making a gypsum panel. The gypsum panel comprises a gypsum core and a facing material. The gypsum core includes gypsum, a foaming agent, and optionally starch in an amount of less than 4 wt. % based on the weight of gypsum. The gypsum core includes air voids having an average void size of 50 microns or more. The gypsum panel has a density of 33 pcf or less, a weight of 1,800 lbs/MSF or less, and an NRC value of 0.2 or more.
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