发明名称 |
Gypsum-containing product having increased resistance to permanent deformation and method and composition for producing it |
摘要 |
The invention provides a set gypsum-containing product having increased resistance to permanent deformation and a method for preparing it comprising forming a mixture of a calcium sulfate material, water, and an appropriate amount of one or more enhancing materials chosen from condensed phosphoric acids, each of which comprises 2 or more phosphoric acid units; and salts or ions of condensed phosphates each of which comprises 2 or more phosphate units. The mixture is then maintained under conditions sufficient for the calcium sulfate material to form a set gypsum material. |
申请公布号 |
EP2263987(A1) |
申请公布日期 |
2010.12.22 |
申请号 |
EP20100010017 |
申请日期 |
1998.08.21 |
申请人 |
UNITED STATES GYPSUM COMPANY |
发明人 |
YU, QIANG;SUCECH, STEVEN W.;GROZA, BRENT E.;MLINAC, RAYMOND J.;HENKELS, PAUL J.;JONES, FREDERICK T. |
分类号 |
C04B28/14;E04C2/04;B32B13/00;C04B22/16;C04B41/70 |
主分类号 |
C04B28/14 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|