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    AQUEOUS COMPOSITIONS FOR SHADING IN COATING APPLICATIONS
    7.
    发明授权
    AQUEOUS COMPOSITIONS FOR SHADING IN COATING APPLICATIONS 有权

    公开(公告)号：EP2588667B1

    公开(公告)日：2018-05-30

    申请号：EP11726716.1

    申请日：2011-06-21

    申请人： Archroma IP GmbH

    发明人： GRETHER-SCHENE, Heidrun ,  PUDDIPHATT, David

    IPC分类号： D21H19/44 ,  D21H21/28 ,  D21H21/30 ,  D21H21/32

    CPC分类号： D21H19/44 ,  D21H21/28 ,  D21H21/30 ,  D21H21/32 ,  Y10T428/31971 ,  Y10T428/31982 ,  Y10T428/31986 ,  Y10T428/31993

    摘要： Aqueous coating composition for shading substrates, preferably paper, comprising (a) at least one shading dye of formula (I) in which R1 signifies H, methyl or ethyl, R2 signifies paramethoxyphenyl, methyl or ethyl, M signifies a cation selected from the group consisting of hydrogen, an alkali metal cation, alkaline earth metal, ammonium, ammonium which is mono-, di-, tri- or tetrasubstituted by a C1-C4 linear or branched alkyl radical, ammonium which is mono-, di-, tri- or tetrasubstituted by a C1-C4 linear or branched hydroxyalkyl radical, ammonium which is, di-, tri- or tetrasubstituted by a mixture of C1-C4 linear or branched alkylradical and linear or branched hydroxyalkyl radical or mixtures of said compounds, (b) at least one white pigment, (c) at least one primary binder, (d) optionally one or more secondary binders and (e) water.

    SURFACE ENHANCED PULP FIBERS AT A SUBSTRATE SURFACE
    8.
    发明公开
    SURFACE ENHANCED PULP FIBERS AT A SUBSTRATE SURFACE 审中-公开
    OBERFLÄCHENVERSTÄRKTEZELLSTOFFFASERN AUF EINERSUBSTRATOBERFLÄCHE

    公开(公告)号：EP3108059A4

    公开(公告)日：2017-09-27

    申请号：EP15751369

    申请日：2015-02-20

    申请人： DOMTAR PAPER COMPANY LLC

    发明人： MARCOCCIA BRUNO ,  PANDE HARSHAD ,  WILLIAMS ROBERT M

    IPC分类号： D21H11/16 ,  D21H11/02 ,  D21H15/02 ,  D21H17/00 ,  D21H17/25 ,  D21H17/28 ,  D21H19/54 ,  D21H21/28 ,  D21H21/52

    CPC分类号： D21H19/54 ,  D21H11/02 ,  D21H11/16 ,  D21H15/02 ,  D21H17/25 ,  D21H17/28 ,  D21H17/72 ,  D21H21/28 ,  D21H21/52

    摘要： The present invention relates to a method of making a paper product having improved printing characteristics. This is achieved by forming a fibrous substrate, and applying a surface treatment which comprises an aqueous composition. Notably, the aqueous composition includes surface enhanced pulp fibers, with the placement of the surface enhanced pulp fibers optimizing their functionality, with surface placement by use of a paper machine size press desirably facilitating a reduction in the typical starch usage. The present method comprising the steps of providing a aqueous slurry comprising a blend of cellulosic fibers and water and dewatering the aqueous slurry of cellulosic fibers and water to form a fibrous substrate. The present method further includes applying a surface treatment to the fibrous substrate, wherein the surface treatment comprises an aqueous composition including surface enhanced pulp fibers, to form a treated fibrous substrate, and thereafter drying the treated fibrous substrate to form a paper product having enhanced printing characteristics.

    摘要翻译： 本发明涉及一种制造具有改进的印刷特性的纸制品的方法。 这通过形成纤维基材并且施加包含含水组合物的表面处理来实现。 值得注意的是，含水组合物包括表面增强的纸浆纤维，其中表面增强的纸浆纤维的放置优化了它们的功能性，其中通过使用造纸机施胶压榨机进行表面放置，从而有利于减少典型的淀粉用量。 本方法包括以下步骤：提供包含纤维素纤维和水的混合物的含水浆料，并使纤维素纤维和水的含水浆料脱水以形成纤维基质。 本方法还包括对纤维基材施加表面处理，其中表面处理包括含有表面增强的纸浆纤维的含水组合物，以形成经处理的纤维基材，然后干燥经处理的纤维基材以形成具有增强的印刷 特点。