发明申请
US20110308752A1 METHOD FOR PRODUCING PAPER, CARD AND BOARD WITH HIGH DRY STRENGTH
失效
用于生产具有高干度强度的纸张，卡片和纸板的方法
- 专利标题： METHOD FOR PRODUCING PAPER, CARD AND BOARD WITH HIGH DRY STRENGTH
- 专利标题（中）： 用于生产具有高干度强度的纸张，卡片和纸板的方法
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申请号： US13147623申请日： 2010-02-04
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公开(公告)号： US20110308752A1公开(公告)日： 2011-12-22
- 发明人: Anton Esser , Joerg Nieberle
- 申请人： Anton Esser , Joerg Nieberle
- 申请人地址： DE Ludwigshafen
- 专利权人： BASF SE
- 当前专利权人： BASF SE
- 当前专利权人地址： DE Ludwigshafen
- 优先权： EP09152163.3 20090205
- 国际申请： PCT/EP2010/051330 WO 20100204
- 主分类号： D21H17/45
- IPC分类号： D21H17/45 ; D21H17/43 ; D21H17/33
摘要：
Process for the production of paper, board and cardboard having high dry strength by addition of a water-soluble cationic polymer and of an anionic polymer to a paper stock, draining of the paper stock and drying of the paper products, wherein an aqueous dispersion of at least one anionic latex and at least one degraded starch is used as the anionic polymer.
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