发明名称 |
Siliceous composition and its use in papermaking |
摘要 |
An aqueous polysilicate composition comprising a polysilicate microgel based component in association with particles derived from colloidal polysilicate. The invention also concerns a process for preparing an aqueous polysilicate composition comprising mixing an aqueous colloidal polysilicate with an aqueous phase of a polysilicate microgel. The aqueous polysilicate composition is more effective than colloidal silica and is more stable than a conventional polysilicate microgel. |
申请公布号 |
US8097127(B2) |
申请公布日期 |
2012.01.17 |
申请号 |
US20070440966 |
申请日期 |
2007.09.13 |
申请人 |
SAASTAMOINEN SAKARI;SEPPALA TERO;CORDIER DAVID ROBERT;EDMONDS CHRISTIAN BRUCE;BASF SE |
发明人 |
SAASTAMOINEN SAKARI;SEPPALA TERO;CORDIER DAVID ROBERT;EDMONDS CHRISTIAN BRUCE |
分类号 |
D21H17/68;C01B33/14;C01B33/18;C01B33/20;D21H17/69 |
主分类号 |
D21H17/68 |
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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