发明名称 |
COLLOIDAL BOROSILICATES AND THEIR USE IN THE PRODUCTION OF PAPER |
摘要 |
The invention comprises a borosilicate retention aid composition and a method for improving the production of paper by addition of the borosilicate. The borosilicate may be utilized in conjunction with a high molecular weight synthetic flocculant and/or starch, with or without the addition of a cationic coagulant. The borosilicate material is preferably a colloidal borosilicate. Methods for the preparation of the borosilicate material are disclosed.
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申请公布号 |
CA2509271(A1) |
申请公布日期 |
1999.04.08 |
申请号 |
CA19982509271 |
申请日期 |
1998.09.17 |
申请人 |
NALCO CHEMICAL COMPANY |
发明人 |
KEISER, BRUCE A.;WHITTEN, JAMES E. |
分类号 |
C01B35/10;D21H17/63;D21H17/68;D21H21/14;(IPC1-7):C01B35/10 |
主分类号 |
C01B35/10 |
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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