| 发明名称 |
Hydrophilic precipitated silica for defoamer formulations |
| 摘要 |
Precipitated silicas with a high pH and their use in applications as defoamers having optimum silanol group density and a process for preparing precipitated silicas and to their use, particularly in defoamer formulations.
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| 申请公布号 |
US2005191228(A1) |
申请公布日期 |
2005.09.01 |
| 申请号 |
US20050036987 |
申请日期 |
2005.01.19 |
| 申请人 |
DEGUSSA AG |
发明人 |
PANZ CHRISTIAN;ALLERDISSE RENE;OBLADEN HELGA;LOEBBUS MARIO;LUKAS ANJA;BERGMANN ROLAND;MEIER KARL |
| 分类号 |
B01D19/04;C01B33/143;C01B33/193;C08K3/36;C08L83/04;C09C1/30;(IPC1-7):C04B14/04;C01B33/12 |
主分类号 |
B01D19/04 |
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