发明名称 Method of using landplaster as a wallboard filler
摘要 A gypsum slurry includes calcium sulfate hemihydrate, water and calcium sulfate dihydrate, where the calcium sulfate dihydrate is added downstream of the mixer. In an optional embodiment, the a gypsum slurry includes calcium sulfate hemihydrate, a polycarboxylate dispersant, water and coated calcium sulfate dihydrate. In this case, the hydrophilic, dispersible coating is selected to serve as a modifier to enhance the ability of the dispersant to fluidize the gypsum slurry.
申请公布号 US2008160340(A1) 申请公布日期 2008.07.03
申请号 US20060647748 申请日期 2006.12.29
申请人 STOCCO LOUIS P;ZDROJEWSKI JACOB A 发明人 STOCCO LOUIS P.;ZDROJEWSKI JACOB A.
分类号 C04B2/10;B29C65/00;B32B9/00 主分类号 C04B2/10
代理机构 代理人
主权项
地址