发明名称 |
Process for the production of paper |
摘要 |
The present invention relates to a process for producing paper which comprises: providing an aqueous suspension comprising cellulosic fibers, adding to the suspension, after all points of high shear, a cationic polysaccharide; and a polymer P2 being an anionic polymer; and, dewatering the obtained suspension to form paper.
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申请公布号 |
US8273216(B2) |
申请公布日期 |
2012.09.25 |
申请号 |
US20060642390 |
申请日期 |
2006.12.20 |
申请人 |
SOLHAGE FREDRIK;CARLEN JOAKIM;JOHANSSON BIRGITTA;AKZO NOBEL N.V. |
发明人 |
SOLHAGE FREDRIK;CARLEN JOAKIM;JOHANSSON BIRGITTA |
分类号 |
D21H17/29;D21H17/45;D21H17/63;D21H21/10 |
主分类号 |
D21H17/29 |
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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