发明名称 |
Cellulosic, modified lignin and cationic polymer composition and process for making improved paper or paperboard |
摘要 |
A composition comprising an aqueous cellulosic furnish, a high molecular weight cationic polymer, and a modified lignin wherein the ratio of the cationic polymer to the modified lignin is from about 10:1 to 1:10 on an active basis is disclosed. A process employing this composition for making paper or paperboard having improved drainage, retention and formation properties is also provided. |
申请公布号 |
AU6335694(A) |
申请公布日期 |
1994.12.01 |
申请号 |
AU19940063356 |
申请日期 |
1994.05.26 |
申请人 |
CALGON CORPORATION |
发明人 |
DAVID L. ELLIOTT;RONALD J. FALCIONE;WOOD E. HUNTER |
分类号 |
D21H17/23;D21H17/37;D21H17/44;D21H17/45 |
主分类号 |
D21H17/23 |
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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