发明名称 |
Method of using an anionic composite to increase retention and drainage in papermaking |
摘要 |
Anionic nanocomposites for use as retention and drainage aids in papermaking are prepared by adding an anionic polyelectrolyte to a sodium silicate solution and then combining the sodium silicate and polyelectrolyte solution with silicic acid.
|
申请公布号 |
US6200420(B1) |
申请公布日期 |
2001.03.13 |
申请号 |
US20000546042 |
申请日期 |
2000.04.10 |
申请人 |
NALCO CHEMICAL COMPANY |
发明人 |
BEGALA ARTHUR JAMES;KEISER BRUCE A. |
分类号 |
C08K3/34;C01B33/14;C08L61/18;C08L101/14;D21H17/28;D21H17/43;D21H17/46;D21H17/47;D21H17/64;D21H17/67;D21H17/68;D21H17/69;D21H21/10;D21H23/76;(IPC1-7):D21H21/10 |
主分类号 |
C08K3/34 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|