CALCIUM CARBONATE HAVING A SURFACE CHARGE, THE PREPARING PROCESS THEREOF AND FILLER FOR PRODUCING A PAPER USING THE SAME
    1.
    发明申请
    CALCIUM CARBONATE HAVING A SURFACE CHARGE, THE PREPARING PROCESS THEREOF AND FILLER FOR PRODUCING A PAPER USING THE SAME 有权
    具有表面电荷的碳酸钙,其制备方法和用于生产纸的填料

    公开(公告)号:US20130164206A1

    公开(公告)日:2013-06-27

    申请号:US13426250

    申请日:2012-03-21

    Abstract: The present invention relates to a calcium carbonate having a surface charge, the preparing process thereof and filler for producing a paper using the same. The present invention provides the process of preparing a calcium carbonate having a surface charge, characterized in that it comprises the following steps of: preparing a solution mixture of one or more monomer selected from the group consisting of calcium hydroxide, acrylic acid, acrylamide, or [2-(acryloyloxy)ethyl]-trimethylammonium chloride; removing dissolved gases such as oxygen and carbon dioxide in the said solution by injecting nitrogen (N2) gas; adjusting pH of the said solution; and inducing a reaction by adding polymerization initiator of a high molecule while injecting carbon dioxide to the said mixture.

    Abstract translation: 本发明涉及具有表面电荷的碳酸钙,其制备方法和使用该碳酸钙的制备纸的填料。 本发明提供了制备具有表面电荷的碳酸钙的方法,其特征在于其包括以下步骤:制备一种或多种选自氢氧化钙,丙烯酸,丙烯酰胺或 [2-(丙烯酰氧基)乙基] - 三甲基氯化铵; 通过注入氮气(N 2),在所述溶液中除去溶解的气体如氧气和二氧化碳; 调节所述溶液的pH值; 并通过加入高分子的聚合引发剂,同时向所述混合物中注入二氧化碳而引起反应。

    Method of preparing water-dispersible poly (urethane-urea) having aromatic-aliphatic isocyanate
    2.
    发明授权
    Method of preparing water-dispersible poly (urethane-urea) having aromatic-aliphatic isocyanate 失效
    制备具有芳族 - 脂族异氰酸酯的水分散性聚氨酯脲的方法

    公开(公告)号:US07193011B2

    公开(公告)日:2007-03-20

    申请号:US10874327

    申请日:2004-06-24

    Abstract: The present invention relates to a method of preparing water-dispersible poly (urethane-urea) having aliphatic-aromatic isocyanate, more particularly to a method of preparing water-dispersible poly (urethane-urea) having aliphatic-aromatic isocyanate, with improved mechanical/thermal properties, such as heat resistance, chemical resistance and adhesion, good cost competitiveness and environmental friendliness, by reacting polyester polyol, dimethylol propionic acid and an aromatic isocyanate compound to obtain a hydroxyl (OH)-terminated prepolymer, adding an aliphatic isocyanate compound to said OH-terminated prepolymer to obtain an isocyanate (NCO)-terminated prepolymer wherein aromatic-aliphatic isocyanate is hybridized, neutralizing, water-dispersing and chain extending said NCO-terminated prepolymer.

    Abstract translation: 本发明涉及一种制备具有脂族 - 芳族异氰酸酯的水分散性聚氨酯脲的方法,更具体地涉及制备具有脂肪族 - 芳族异氰酸酯的水分散性聚(氨基甲酸酯 - 尿素)的方法,其具有改进的机械/ 通过使聚酯多元醇,二羟甲基丙酸和芳族异氰酸酯化合物反应得到羟基(OH) - 终止的预聚物,加入脂族异氰酸酯化合物,加入脂族异氰酸酯化合物,加入脂肪族异氰酸酯化合物,得到热稳定性,耐化学性和粘合性,良好的成本竞争力和环境友好性 所述OH-封端的预聚物得到异氰酸酯(NCO)的预聚物,其中芳族 - 脂族异氰酸酯被杂化,中和,水分散和扩链所述NCO封端的预聚物。

    Calcium carbonate having a surface charge, the preparing process thereof and filler for producing a paper using the same
    4.
    发明授权
    Calcium carbonate having a surface charge, the preparing process thereof and filler for producing a paper using the same 有权
    具有表面电荷的碳酸钙,其制备方法和使用该碳酸钙的制造纸的填料

    公开(公告)号:US08859663B2

    公开(公告)日:2014-10-14

    申请号:US13426250

    申请日:2012-03-21

    Abstract: The present invention relates to a calcium carbonate having a surface charge, the preparing process thereof and filler for producing a paper using the same. The present invention provides the process of preparing a calcium carbonate having a surface charge, characterized in that it comprises the following steps of: preparing a solution mixture of one or more monomer selected from the group consisting of calcium hydroxide, acrylic acid, acrylamide, or [2-(acryloyloxy)ethyl]-trimethylammonium chloride; removing dissolved gases such as oxygen and carbon dioxide in the said solution by injecting nitrogen (N2) gas; adjusting pH of the said solution; and inducing a reaction by adding polymerization initiator of a high molecule while injecting carbon dioxide to the said mixture.

    Abstract translation: 本发明涉及具有表面电荷的碳酸钙,其制备方法和使用该碳酸钙的制备纸的填料。 本发明提供了制备具有表面电荷的碳酸钙的方法,其特征在于其包括以下步骤:制备一种或多种选自氢氧化钙,丙烯酸,丙烯酰胺或 [2-(丙烯酰氧基)乙基] - 三甲基氯化铵; 通过注入氮气(N 2),在所述溶液中除去溶解的气体如氧气和二氧化碳; 调节所述溶液的pH值; 并通过加入高分子的聚合引发剂,同时向所述混合物中注入二氧化碳而引起反应。

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