发明名称 |
GYPSUM BUILDING BOARDS |
摘要 |
A method of producing gypsum building board, comprises allowing a layer of an aqueous gypsum slurry to set so as to form a board, in which the improvement comprises mixing the gypsum slurry with an aqueous foam produced by foaming water containing at least one non-ionic alkylpolysaccharide foaming agent of the general formula (I) R—O-(G)x  (I) where: R represents a linear or branched alkyl group having from 6 to 20 carbon atoms; G represents a reducing saccharide moiety connected to R via an ethereal O-glycosidical bond; and x is 1 to 10. |
申请公布号 |
EP2059489(A1) |
申请公布日期 |
2009.05.20 |
申请号 |
EP20070789383 |
申请日期 |
2007.08.28 |
申请人 |
BPB LIMITED |
发明人 |
GAILLARD, NATHALIE, AGNES;GEERAERT, EMMANUEL HENRI CONSTANT AMAND |
分类号 |
C04B24/10;C04B24/38;C04B28/14;C04B38/10 |
主分类号 |
C04B24/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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