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公开(公告)号:US20070048549A1
公开(公告)日:2007-03-01
申请号:US11213529
申请日:2005-08-26
申请人: Weixin Song , Qiang Yu , Qiangxia Liu
发明人: Weixin Song , Qiang Yu , Qiangxia Liu
CPC分类号: B32B13/04 , B32B13/08 , B32B2250/03 , B32B2250/40 , B32B2264/06 , B32B2307/538 , B32B2307/54 , B32B2607/00 , C04B11/002 , C04B20/0076 , C04B28/146 , C04B28/147 , C04B2111/0062 , Y10T428/232 , C04B22/16 , C04B24/226 , C04B24/383
摘要: The invention provides gypsum wallboard, made from gypsum-containing slurries having outstanding hydration rate characteristics comprising alpha-hemihydrate ground to a particular particle size distribution range and having a Blaine surface area in the range from about 3100 cm2/g to about 9000 cm2/g, alone or in combination with beta-hemihydrate.
摘要翻译: 本发明提供了由具有优异水合速率特性的含石膏浆料制成的石膏墙板,其包括将半水合物研磨至特定的粒度分布范围,并具有约3100cm 2范围内的Blaine表面积 / g至约9000cm 2 / g,单独或与β-半水合物组合。
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公开(公告)号:US07771851B2
公开(公告)日:2010-08-10
申请号:US11213529
申请日:2005-08-26
申请人: Weixin David Song , Qiang Yu , Qiangxia Liu
发明人: Weixin David Song , Qiang Yu , Qiangxia Liu
CPC分类号: B32B13/04 , B32B13/08 , B32B2250/03 , B32B2250/40 , B32B2264/06 , B32B2307/538 , B32B2307/54 , B32B2607/00 , C04B11/002 , C04B20/0076 , C04B28/146 , C04B28/147 , C04B2111/0062 , Y10T428/232 , C04B22/16 , C04B24/226 , C04B24/383
摘要: The invention provides gypsum wallboard, made from gypsum-containing slurries having outstanding hydration rate characteristics comprising alpha-hemihydrate ground to a particular particle size distribution range and having a Blaine surface area in the range from about 3100 cm2/g to about 9000 cm2/g, alone or in combination with beta-hemihydrate.
摘要翻译: 本发明提供了由具有优异水合速率特性的含石膏浆料制成的石膏墙板,其包括将半水合物研磨至特定的粒度分布范围并具有约3100cm 2 / g至约9000cm 2 / g范围内的Blaine表面积 ,单独或与β-半水合物组合。
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