| 发明名称 |
Gypsum wallboard |
| 摘要 |
<p>Gypsum wallboard can be made lighter and less dense, without sacrificing strength, by adding to the gypsum slurry used in making the board a styrene butadiene polymer latex substantially stable against divalent ions in which the styrene butadiene polymer includes at least 0.25 wt.% of an ionic monomer.</p> |
| 申请公布号 |
EP1112987(A2) |
申请公布日期 |
2001.07.04 |
| 申请号 |
EP20000310395 |
申请日期 |
2000.11.23 |
| 申请人 |
OMNOVA SOLUTIONS INC. |
发明人 |
WESTERMAN, IRA JOHN;HARDY, PAUL A.;ZORSKA, ROMAN |
| 分类号 |
C04B28/14;E04C2/04;(IPC1-7):C04B28/14 |
主分类号 |
C04B28/14 |
| 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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