发明名称 |
CELLULOSIC PRODUCT AND PROCESS FOR ITS PRODUCTION |
摘要 |
<p>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.</p> |
申请公布号 |
WO2004046464(A1) |
申请公布日期 |
2004.06.03 |
申请号 |
WO2003SE01727 |
申请日期 |
2003.11.07 |
申请人 |
AKZO NOBEL N.V.;EKA CHEMICALS AB;TOKARZ, MAREK;NILSSON, JERKER |
发明人 |
TOKARZ, MAREK;NILSSON, JERKER |
分类号 |
D21H17/68;D21H19/68;D21H21/02;D21H21/10;(IPC1-7):D21H21/02 |
主分类号 |
D21H17/68 |
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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