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1. 发明授权

US5854323A Pigment dispersing agent, composition containing the same, and aqueous pigment dispersion 失效
标题翻译：颜料分散剂，含有它们的组合物和水性颜料分散体
公开(公告)号：US5854323A
公开(公告)日：1998-12-29
申请号：US712452
申请日：1996-09-11
申请人： Tadashi Itabashi , Takashi Kamikubo , Katsuhiko Sawamura
发明人： Tadashi Itabashi , Takashi Kamikubo , Katsuhiko Sawamura
IPC分类号： C09B67/46 , C09D17/00 , C08K5/34 , C08L39/00
CPC分类号： C09D17/001 , C09B67/009
摘要： The present invention provide an aqueous type pigment dispersing agent having one portion which has a high affinity with a pigment and which has at least one type of selected from the group consisting of an organic dye, anthraquinone and acridone and only at a terminal end or at both terminal ends of at least one aqueous polymer selected from an aqueous linear urethanic polymer and an aqueous linear acrylic polymer, a pigment composition using the same and a pigment dispersion. The portion having a high affinity with the pigment can be adsorbed efficiently on the surface of a pigment. At the same time, for example, a pigment, used for ink or paint can be dispersed stably due to the affinity between the polymer portion and a disperse medium to improve the adaptability in use and the quality of coating articles.
摘要翻译：本发明提供一种水性颜料分散剂，其一部分与颜料具有高亲和力，并且具有至少一种选自有机染料，蒽醌和吖啶酮的类型，并且仅在末端或在至少一种选自水性线性聚氨酯聚合物和水性线性丙烯酸类聚合物的含水聚合物的末端，使用其的颜料组合物和颜料分散体。与颜料具有高亲和力的部分可以有效地吸附在颜料的表面上。同时，例如，由于聚合物部分和分散介质之间的亲和性，可以稳定地分散用于油墨或涂料的颜料，以提高使用中的适应性和涂布品的质量。

2. 发明授权

US06406606B1 Electrocoagulation printing ink and method 失效
标题翻译：电凝印刷油墨及方法
公开(公告)号：US06406606B1
公开(公告)日：2002-06-18
申请号：US09531157
申请日：2000-03-17
申请人： Atsushi Betto , Tetsu Otsuji , Katsuhiko Sawamura , Hiroyuki Kawashima
发明人： Atsushi Betto , Tetsu Otsuji , Katsuhiko Sawamura , Hiroyuki Kawashima
IPC分类号： B41M520
CPC分类号： C09D11/02 , B41C1/105
摘要： An electrocoagulation printing ink contains electrolytically coagulable polymer, soluble electrolyte, coloring agent, and liquid medium, where electrocoagulability is obtained by an electric circuit comprised of capacitor and resistor under constant voltage with the time constant of 0.02 seconds and the electrocoagulability obtained with the time constant of 0.09 seconds have a ratio from 1:1.5 to 1:3.0, hence improving the gradation reproducibility. Further, bisphenol sulfonic acid polymer can be used as a dispersant, and/or, a pigment in which the particle size of the pigment at 50% of the volume accumulation is 0.3 to 2 &mgr;m when dispersed in the ink and a ratio of particles with a particle size equal to or less than 0.2 &mgr;m is equal to or less than 25% by weight in the particle size distribution of the pigment, thereby producing a print free of undesirable background in its non-image region and high of quality.
摘要翻译：电凝印刷油墨含有可电解凝固的聚合物，可溶性电解质，着色剂和液体介质，其中电容器由电容器和电阻器组成的电路在恒定电压下获得，时间常数为0.02秒，电凝率随时间常数 0.09秒的比例为1:1.5〜1:3.0，因此提高了灰度再现性。此外，双酚磺酸聚合物可以用作分散剂，和/或其中分散在油墨中的体积累积的50％时颜料的粒径为0.3-2μm的颜料和颗粒与粒径等于或小于0.2μm的粒子在颜料的粒度分布中等于或小于25重量％，从而产生在其非图像区域中没有不期望的背景和高质量的印刷品。

3. 发明授权

US5472490A Pigment composition, printing ink and coating composition 失效
标题翻译：颜料组成，印刷油墨和涂料组成
公开(公告)号：US5472490A
公开(公告)日：1995-12-05
申请号：US229779
申请日：1994-04-19
申请人： Katsuhiko Sawamura , Shigeki Kato , Hitoshi Maki , Mikio Hayashi
发明人： Katsuhiko Sawamura , Shigeki Kato , Hitoshi Maki , Mikio Hayashi
IPC分类号： C09B67/00 , C09B67/20 , C09B67/22 , C09D7/00 , C09D7/12 , C09D11/02 , C09D11/033 , C09D11/037 , C09B67/50
CPC分类号： C09D11/037 , C09B67/0032 , C09B67/0035 , C09D7/007
摘要： A pigment composition which comprises a phthalocyanine pigment, a phthalocyanine derivative (A) of the formula (1),Pc-(SO.sub.3.sup.-+ NR.sub.1 R.sub.2 R.sub.3 R.sub.4).sub.n(1)and at least one compound (B) selected from the class consisting of a compound of the formula (2),(M.sub.1).sub.j X (2)an aliphatic compound containing carboxylic acid alkali metal salt and an aliphatic compound containing carboxylic acid ammonium salt, and which imparts a printing or a coating with excellent gloss and shows excellent fluidity and stability with time when dispersed in a vehicle for a printing ink or a coating composition.
摘要翻译：一种颜料组合物，其包含酞菁颜料，式（1）的酞菁衍生物（A），Pc-（SO 3 - + NR 1 R 2 R 3 R 4）n（1）和至少一种选自化合物式（2），（M1）jX（2）含有羧酸碱金属盐的脂肪族化合物和含有羧酸铵盐的脂肪族化合物，赋予印刷或涂料优异的光泽度并显示优异的流动性和稳定性随时间分散在用于印刷油墨或涂料组合物的载体中。

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