发明名称 |
Cellulosic product and process for its production |
摘要 |
The present invention relates to a process for the production of a cellulosic product which comprises (i) providing an aqueous suspension containing cellulosic fibres, and optional filler; (ii) adding to the suspension a clay having 3R2 stacking; and (iii) dewatering the obtained suspension. The invention also relates to a process for the production of a cellulosic product which comprises (i) providing an aqueous suspension containing cellulosic fibres, and optional filler; (ii) adding to the suspension a cationic clay;(iii) adding to the suspension one or more drainage and retention aids comprising at least one cationic polymer; and (iv) dewatering the obtained suspension. The invention further relates to a cellulosic product comprising clay having 3R2 stacking. |
申请公布号 |
ZA200503595(B) |
申请公布日期 |
2006.08.30 |
申请号 |
ZA20050003595 |
申请日期 |
2003.11.07 |
申请人 |
AKZO NOBEL N.V. |
发明人 |
MAREK TOKARZ;JERKER NILSON |
分类号 |
D21H;D21H17/68;D21H19/68;D21H21/02;D21H21/10 |
主分类号 |
D21H |
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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