发明名称 Process for the production of paper
摘要 The present invention relates to a process for producing paper which comprises: (vii) providing an aqueous suspension comprising cellulosic fibres, (viii) adding to the suspension after all points of high shear: a first polymer being a cationic polymer having a charge density above 2.5 meq/g; a second polymer; and a third polymer being an organic or inorganic anionic polymer; and (ix) dewatering the obtained suspension to form paper.
申请公布号 US2006130991(A1) 申请公布日期 2006.06.22
申请号 US20050302941 申请日期 2005.12.14
申请人 AKZO NOBEL N.V. 发明人 SOLHAGE FREDRIK;CARLEN JOAKIM;JOHANSSON BIRGITTA
分类号 D21H23/76;D21H17/44 主分类号 D21H23/76
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