| 发明名称 |
PROCESS FOR INCREASING THE DRY STRENGTH OF PAPER |
| 摘要 |
Addition of a premixed aqueous mixture of anionic dry strength resin and cationic or amphoteric starch to a paper making pulp slurry yields paper with higher dry strength than paper that is the same except that the starch and dry strength resin are added separately.
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| 申请公布号 |
WO03087473(A1) |
申请公布日期 |
2003.10.23 |
| 申请号 |
WO2003US08051 |
申请日期 |
2003.03.12 |
| 申请人 |
HERCULES INCORPORATED |
发明人 |
KLAISNER, CONSTANCE;VAN HANDEL, JOSEPH, DONALD;GAST, JOHN, C. |
| 分类号 |
C08L3/08;C08L33/26;D21H17/28;D21H17/29;D21H17/37;D21H17/42;D21H17/43;D21H21/18;(IPC1-7):D21H21/18 |
主分类号 |
C08L3/08 |
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