发明名称 |
СПОСОБ ИЗГОТОВЛЕНИЯ БУМАГИ |
摘要 |
The present invention relates to a process for producing paper which comprises: (i) providing an aqueous suspension comprising cellulosic fibres, (ii) adding to the suspension after all points of high shear: a first polymer being a cationic polymer having a charge density above 2.5 meq/g; a second polymer; and a third polymer being an organic or inorganic anionic polymer; and (iii) dewatering the obtained suspension to form paper. |
申请公布号 |
RU2007128049(A) |
申请公布日期 |
2009.01.27 |
申请号 |
RU20070128049 |
申请日期 |
2005.12.07 |
申请人 |
АКЦО НОБЕЛЬ Н.В. (NL) |
发明人 |
СОЛЬХАГЕ Фредрик (SE);КАРЛЕН Хоаким (SE);ЙОХАНССОН Биргитта (SE) |
分类号 |
D21H21/10;D21H17/42;D21H17/44;D21H23/10 |
主分类号 |
D21H21/10 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|