发明名称 |
PROCESS FOR MAKING PAPER OR PAPERBOARD |
摘要 |
According to the present invention, a process is provided for making paper or board comprising forming a cellulosic suspension that may or may not comprise a filler, flocculating the cellulosic suspension, draining the cellulosic suspension on a screen to form a sheet, wherein the cellulosic suspension is flocculated using a flocculation system comprising the sequential or simultaneous addition of a siliceous material and an organic, cationic or anionic, water-in-water or dispersion micropolymer in a salt solution. |
申请公布号 |
EP3061866(A1) |
申请公布日期 |
2016.08.31 |
申请号 |
EP20160157810 |
申请日期 |
2007.09.14 |
申请人 |
KEMIRA OYJ |
发明人 |
POLVERARI, MARCO SAVIO;LEWIS, CHRISTOPHER, MICHAEL;FABIAN, MATTHEW GERARD |
分类号 |
D21H21/10;D21H17/37;D21H17/68;D21H23/14 |
主分类号 |
D21H21/10 |
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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