| 发明名称 |
COLLOIDAL BOROSILICATES AND THEIR USE IN THE PRODUCTION OF PAPER |
| 摘要 |
A borosilicate retention aid composition is provided. The synthetic borosilicate has a particle size of from 1 to 2000 nm and a surface area of from 15 to 3000 m 2 /g. The borosilicate material is preferably a colloidal borosilicate. Methods for the preparation of the borosilicate material are disclosed. |
| 申请公布号 |
EP1388522(A2) |
申请公布日期 |
2004.02.11 |
| 申请号 |
EP20030022853 |
申请日期 |
1998.09.17 |
| 申请人 |
ONDEO NALCO COMPANY |
发明人 |
KEISER, BRUCE A.;WHITTEN, JAMES E. |
| 分类号 |
B01D21/01;C01B35/10;D21H17/68;D21H21/10 |
主分类号 |
B01D21/01 |
| 代理机构 |
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