Invention Grant
US08529732B2 Method for producing paper, card and board with high dry strength
失效
干燥强度高的纸张，纸板和纸板的制造方法
- Patent Title: Method for producing paper, card and board with high dry strength
- Patent Title (中): 干燥强度高的纸张，纸板和纸板的制造方法
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Application No.: US13147623Application Date: 2010-02-04
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Publication No.: US08529732B2Publication Date: 2013-09-10
- Inventor: Anton Esser , Joerg Nieberle
- Applicant: Anton Esser , Joerg Nieberle
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: EP09152163 20090205
- International Application: PCT/EP2010/051330 WO 20100204
- International Announcement: WO2010/089334 WO 20100812
- Main IPC: D21H17/42
- IPC: D21H17/42 ; D21H17/44 ; D21H17/28 ; D21H21/18
Abstract:
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.
Public/Granted literature
- US20110308752A1 METHOD FOR PRODUCING PAPER, CARD AND BOARD WITH HIGH DRY STRENGTH Public/Granted day:2011-12-22
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