| 发明名称 |
Diaphram wall construction gelation composition. |
| 摘要 |
<p>Carboxymethylcellulose (CMC) and hydroxyethylcellulose (HEC) are preferred modified polysaccharides providing at least 10% by weight gelation particles to prevent fluid loss during diaphram wall construction. A 1% solution of CMC or HEC give a 1000 mPas viscosity at 250 DEG C. An oil slurry comprises: <TABLE> c</p> |
| 申请公布号 |
EP0401842(A1) |
申请公布日期 |
1990.12.12 |
| 申请号 |
EP19900110839 |
申请日期 |
1990.06.07 |
| 申请人 |
AQUALON COMPANY |
发明人 |
ZAPICO, JOSE (NMN) |
| 分类号 |
E04F13/14;C09K8/20;C09K8/50;C09K8/56;C09K8/90;E02D5/18;E02D5/36;F02B3/06 |
主分类号 |
E04F13/14 |
| 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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