| 发明名称 |
Improvement in the dewatering of wet paper webs using mannich acrylamide polymers. |
| 摘要 |
<p>@ Dewatering of wet paper webs in general and particularly under high vacuum is improved by the addition of a Mannich acrylamide polymer having a molecular weight of not greater than about 300,000 to an aqueous slurry of paper-making fibers having a pH less than about 5.5.</p> |
| 申请公布号 |
EP0155503(A1) |
申请公布日期 |
1985.09.25 |
| 申请号 |
EP19850101607 |
申请日期 |
1985.02.14 |
| 申请人 |
AMERICAN CYANAMID COMPANY |
发明人 |
SCALFAROTTO, ROBERT EMIL |
| 分类号 |
D21F11/04;D21F1/00;D21H17/37;D21H17/45;(IPC1-7):D21H3/38 |
主分类号 |
D21F11/04 |
| 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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