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    • 8. 发明授权
    • Process for the production of sized and/or wet-strength papers, paperboards and cardboards
    • 生产尺寸和/或湿强纸,纸板和纸板的方法
    • US08647471B2
    • 2014-02-11
    • US12975470
    • 2010-12-22
    • Stefan SommerErhard LuehmannSerkan UnalMicheal J. Dvorchak
    • Stefan SommerErhard LuehmannSerkan UnalMicheal J. Dvorchak
    • D21H17/57D21H25/04
    • D21H21/16D21H17/44
    • The present invention relates to a process for the production of sized and/or wet-strength papers, paperboards or cardboards, wherein an aqueous radiation-curable dispersion containing water and at least one polymer, characterized in that the polymer contains cationic groups, is mixed with suspended wood pulp and/or chemical pulp and this mixture is sieved, pressed, thermally dried and then radiation-cured, characterized in that the dispersion is employed in amounts, based on its non-aqueous content in relation to the solid content of the wood pulp and/or chemical pulp, of from 0.001 to 10 wt. %, the papers, paperboards and cardboards produced by this process, and compositions comprising suspended wood pulp and/or chemical pulp and an aqueous radiation-curable dispersion containing at least one polymer, characterized in that the polymer contains cationic groups.
    • 本发明涉及生产尺寸和/或湿强纸,纸板或纸板的方法,其中含有水和至少一种聚合物的含水可辐射固化分散体,其特征在于聚合物含有阳离子基团,混合 用悬浮木浆和/或化学纸浆将该混合物过筛,压制,热干燥,然后进行辐射固化,其特征在于分散体的用量基于其非水含量相对于 木浆和/或化学纸浆,为0.001至10重量% %,由该方法生产的纸,纸板和纸板,以及包含悬浮木浆和/或化学纸浆的组合物和含有至少一种聚合物的水性可辐射固化分散体,其特征在于所述聚合物含有阳离子基团。