发明名称 |
PROCESS FOR MANUFACTURING OF PAPER |
摘要 |
<p>The invention relates to a process for manufacturing paper, in which a filler is pretreated and suspended to form an aqueous slurry, the aqueous slurry obtained is combined with an aqueous suspension containing cellulose fibers to form a stock, the stock obtained is treated at least with a cationic retention agent and the treated stock is filtered to form paper. Retention and optical properties are improved by the filler being pre-treated with inorganic colloidal particles having an average size less than 100 nm.</p> |
申请公布号 |
EP1620599(A1) |
申请公布日期 |
2006.02.01 |
申请号 |
EP20040727307 |
申请日期 |
2004.04.14 |
申请人 |
KEMIRA OYJ |
发明人 |
AHLGREN, JONNI;STRENGELL, KIMMO |
分类号 |
D21H17/29;D21H17/37;D21H17/67;D21H17/69;D21H21/10;D21H21/52;(IPC1-7):D21H17/69;D21H21/28 |
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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