| 发明名称 |
GYPSUM WALLBOARD, AND METHOD OF MAKING SAME |
| 摘要 |
<p>A method of preparation of gypsum wallboard, as well as a core composition suitable for use therein, are disclosed. The core composition includes a slurry of calcium sulfate hemihydrate (stucco), water, and calcium aluminum lignosulfonate and/or aluminum lignosulfonate.</p> |
| 申请公布号 |
CA2341466(C) |
申请公布日期 |
2006.10.03 |
| 申请号 |
CA19992341466 |
申请日期 |
1999.01.06 |
| 申请人 |
NATIONAL GYPSUM PROPERTIES, LLC |
发明人 |
PATEL, JASHBHAI M.;FINKELSTEIN, RONALD S. |
| 分类号 |
C04B24/18;C04B28/14;E04C2/04 |
主分类号 |
C04B24/18 |
| 代理机构 |
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