发明申请
- 专利标题: Process for the production of paper
- 专利标题(中): 生产纸张的过程
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申请号: US11642390申请日: 2006-12-20
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公开(公告)号: US20070151688A1公开(公告)日: 2007-07-05
- 发明人: Fredrik Solhage , Joakim Carlen , Birgitta Johansson
- 申请人: Fredrik Solhage , Joakim Carlen , Birgitta Johansson
- 申请人地址: NL ARNHEM
- 专利权人: AKZO NOBEL N.V.
- 当前专利权人: AKZO NOBEL N.V.
- 当前专利权人地址: NL ARNHEM
- 主分类号: D21H21/10
- IPC分类号: D21H21/10
摘要:
The present invention relates to a process for producing paper which comprises: providing an aqueous suspension comprising cellulosic fibres, adding to the suspension, after all points of high shear, a cationic polysaccharide; and a polymer P2 being an anionic polymer; and, dewatering the obtained suspension to form paper.
公开/授权文献
- US08273216B2 Process for the production of paper 公开/授权日:2012-09-25
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