发明名称 |
PRODUCTION AND USE OF POLYSILICATE PARTICULATE MATERIALS |
摘要 |
A method of preparing a particulate material comprising the steps of adding silicic acid solution, optionally doped with aluminum, optionally added to a slurry of pre- existing nanoparticles at a neutral to slightly acidic pH of no more than seven, and at a temperature of about 20° to 30°C. This yields a polysilicate particulate dispersion. Then, the pH of the dispersion is raised to greater than seven, to stabilize/reinforce particles of the particulate dispersion. Optionally, the particles may be dried, and have increased porosity and surface area.
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申请公布号 |
CA2593061(C) |
申请公布日期 |
2012.03.27 |
申请号 |
CA20072593061 |
申请日期 |
2007.06.28 |
申请人 |
NALCO COMPANY |
发明人 |
BATLLO, FRANCOIS;HOLLAND, BRIAN T.;KRASNIEWSKI, JOHN M.;LONG, KIM M.;ROMBA, MICHAEL A.;WELZ, SASCHA;WORKMAN, DAVID P. |
分类号 |
C01B33/26;D21H17/63;D21H21/14 |
主分类号 |
C01B33/26 |
代理机构 |
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