发明名称 |
Sätt att behandla en massasuspension samt pappers- eller kartongprodukt framställd av massasuspensionen |
摘要 |
Method of treating a chemically produced pulp suspension (2) of a material containing lignocellulose after beating (12) of said pulp suspension. The pulp suspension (2) is heated (3) in a heat treating step to a treating temperature of at least 60 DEG C, obtaining a reduced density and/or an increased porosity in a paper or paperboard product which is produced of the pulp suspension thus treated. |
申请公布号 |
SE0000031(D0) |
申请公布日期 |
2000.01.10 |
申请号 |
SE20000000031 |
申请日期 |
2000.01.10 |
申请人 |
VALMET-KARLSTAD AB |
发明人 |
ANDERS *LEANDERSSON;CARL *HAAKANSSON |
分类号 |
D21C9/00;D21H11/16;(IPC1-7):D21C/ |
主分类号 |
D21C9/00 |
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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