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    SELF-BINDING PIGMENT HYBRID
    53.
    发明申请
    SELF-BINDING PIGMENT HYBRID 审中-公开
    自绑定颜色混合

    公开(公告)号：US20150105260A1

    公开(公告)日：2015-04-16

    申请号：US14238233

    申请日：2012-08-28

    申请人： Daniel Gantenbein ,  Joachim Schoelkopf ,  Patrick A.C. Gane

    发明人： Daniel Gantenbein ,  Joachim Schoelkopf ,  Patrick A.C. Gane

    IPC分类号： C09C3/10 ,  D21H17/25 ,  A01N59/06 ,  C09C1/02

    摘要： The present invention relates to a process for preparing self-binding pigment particles comprising the following steps: a) providing an aqueous mineral pigment material suspension; b) providing at least one polymeric binder, wherein the binder comprises at least one modified polysaccharide having a degree of carboxylation in the range of 0.4 to 2.0 and having an intrinsic viscosity in the range of >300 to 500 ml/g, c) mixing the binder of step b) with the aqueous mineral pigment material suspension of step a) and adjusting the solids content of the obtained suspension so that it is >45 to 95 wt.-%, preferably from 45 to 80 wt.-%, based on the total weight of the suspension, and d) grinding the aqueous mineral material suspension of step c).

    摘要翻译： 本发明涉及一种制备自结合颜料颗粒的方法，包括以下步骤：a）提供含水的无机颜料材料悬浮液; b）提供至少一种聚合物粘合剂，其中所述粘合剂包含至少一种羧化程度在0.4至2.0范围内且特性粘度在> 300至500ml / g范围内的改性多糖，c）混合 步骤b）的粘合剂与步骤a）的水性矿物颜料材料悬浮液混合，并调节所得悬浮液的固体含量，使得其为45-95wt。％，优选45-80wt％，基于 关于悬浮液的总重量，和d）研磨步骤c）的含水矿物材料悬浮液。

    HYDROPHOBISED CALCIUM CARBONATE PARTICLES
    54.
    发明申请
    HYDROPHOBISED CALCIUM CARBONATE PARTICLES 审中-公开
    疏水性碳酸钙颗粒

    公开(公告)号：US20150044127A1

    公开(公告)日：2015-02-12

    申请号：US14127725

    申请日：2012-07-10

    申请人： Daniel Gantenbein ,  Joachim Schoelkopf ,  Patrick A.C. Gane

    发明人： Daniel Gantenbein ,  Joachim Schoelkopf ,  Patrick A.C. Gane

    IPC分类号： C02F1/28 ,  C01B5/00 ,  B01J20/32 ,  B01J20/28

    CPC分类号： C02F1/288 ,  B01J20/28016 ,  B01J20/28059 ,  B01J20/28085 ,  B01J20/3244 ,  C01B5/00 ,  C02F1/281 ,  C02F1/285 ,  C02F2103/28 ,  D21C9/08 ,  D21H17/675 ,  D21H17/69 ,  D21H21/02

    摘要： The present invention relates to a process for the reduction of pitch in an aqueous medium generated in a papermaking or pulping process, comprising the following steps: a) providing an aqueous medium comprising pitch generated in a papermaking or pulping process; b) providing a ground calcium carbonate and/or a precipitated calcium carbonate; c) providing a hydrophobising agent selected from an aliphatic carboxylic acid having between 5 and 24 carbon atoms; d) contacting the ground calcium carbonate and/or the precipitated calcium carbonate of step b) with the hydrophobising agent of step c) for obtaining a hydrophobised ground calcium carbonate and/or a hydrophobised precipitated calcium carbonate; and e) contacting the aqueous medium provided in step a) with the hydrophobised ground calcium carbonate and/or the hydrophobised precipitated calcium carbonate obtained in step d), to the use of a hydrophobised ground calcium carbonate and/or a hydrophobised ground calcium carbonate for reducing the amount of pitch in an aqueous medium as well as to a hydrophobised ground calcium carbonate and/or a hydrophobised ground calcium carbonate and a composite of hydrophobised ground calcium carbonate and/or hydrophobised ground calcium carbonate and pitch.

    摘要翻译： 本发明涉及一种降低在造纸或制浆过程中产生的水性介质中的沥青的方法，包括以下步骤：a）提供包含在造纸或制浆过程中产生的沥青的水性介质; b）提供磨碎的碳酸钙和/或沉淀碳酸钙; c）提供选自具有5至24个碳原子的脂肪族羧酸的疏水化剂; d）使研磨的碳酸钙和/或沉淀的步骤b）的碳酸钙与步骤c）的疏水化剂接触，以获得疏水化研磨的碳酸钙和/或疏水化沉淀碳酸钙; 和e）使步骤a）中提供的水性介质与步骤d）中获得的疏水化研磨碳酸钙和/或疏水化沉淀碳酸钙接触，使用疏水化研磨碳酸钙和/或疏水化研磨碳酸钙 减少水性介质以及疏水化研磨碳酸钙和/或疏水化研磨碳酸钙和疏水化研磨碳酸钙和/或疏水化研磨碳酸钙和沥青的复合物的沥青量。