发明名称 |
METHOD OF WALLBOARD MANUFACTURE |
摘要 |
To calcium lignin sulfonate is added a formulation of ammonium or sodium linear alcohol ether sulfate in a ratio to form an additive to calcined gypsum slurry which will reduce the water requirement and the heat needed to cure the wallboard made from the slurry. |
申请公布号 |
GB2036715(A) |
申请公布日期 |
1980.07.02 |
申请号 |
GB19790037474 |
申请日期 |
1979.10.29 |
申请人 |
COMBUSTION ENG INC |
发明人 |
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分类号 |
C04B24/16;C04B28/14;(IPC1-7):04B11/14 |
主分类号 |
C04B24/16 |
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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