Silica sols, method and apparatus for producing the same and use thereof in papermaking |
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| 申请号 | US15105801 | 申请日 | 2014-12-17 | 公开(公告)号 | US09975781B2 | 公开(公告)日 | 2018-05-22 |
| 申请人 | ECOLAB USA INC.; | 发明人 | Wen Bai; Jian Xu; Jia Wu; Zhi Chen; Jian Kun Shen; Raymond D. Miller, Jr.; Jane B. Wong Shing; | ||||
| 摘要 | The present invention relates to colloidal silicas having a low S-value and a high solids content, the preparation thereof, and the use thereof in the production of paper. When used in the production of paper, the colloidal silicas of the invention exhibit good retention and drainage performance so that they can be used in lower amounts compared to conventional colloidal silicas. The present invention also relates to an apparatus and a method for producing such activated colloidal silicas. | ||||||
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| 说明书全文 | |||||||
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