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公开(公告)号：EP3104227A1
公开(公告)日：2016-12-14
申请号：EP15746245.8
申请日：2015-02-04
申请人： Sakata INX Corp.
发明人： IWASE Koji , OKAMOTO Katsutoshi , SHIBATA Hideo , MAEDA Hirohito , INOUE Tomoaki
IPC分类号： G03G9/13
CPC分类号： G03G9/132 , G03G9/131 , G03G9/135 , G03G9/1355
摘要： An object is to provide a liquid developer for electrophotography or electrostatic recording, having good uniformity, preservation stability, fixing property, and electrophoretic migration property of particles. As the means of achieving the object, a liquid developer is provided whose colored resin particles are constituted by at least a pigment, a binder resin containing acid group-containing resin, a basic group-containing pigment dispersion agent, and a granulating aid, with the colored resin particles formed in an insulating solvent by utilizing the coacervation method, wherein a carbodiimide compound having at least one carbodiimide group is used as the granulating aid, with the ratio of the number of active hydrogens in the acid group-containing resin to the number of carbodiimide groups in the carbodiimide compound adjusted to 1:(0.01 or more but less than 1.00), and the colored resin particles are dispersed in the insulating solvent by means of a particle dispersion agent.
摘要翻译： 本发明的目的在于提供一种粒子的均匀性，保存稳定性，定影性，电泳迁移性良好的电子照相或静电记录用液体显影剂。 作为实现该目的的手段，提供一种液体显影剂，其着色树脂颗粒至少由颜料，含有含酸基团的树脂的粘合剂树脂，含碱性基团的颜料分散剂和造粒助剂构成，其中 通过利用凝聚法在绝缘溶剂中形成的着色树脂颗粒，其中具有至少一个碳化二亚胺基团的碳二亚胺化合物用作造粒助剂，含酸基团的树脂中活性氢的数量与 将碳二亚胺化合物中的碳化二亚胺基的个数调整为1 :( 0.01以上且小于1.00），使用粒子分散剂将着色树脂粒子分散在绝缘性溶剂中。
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公开(公告)号：EP2955579A1
公开(公告)日：2015-12-16
申请号：EP14749010.6
申请日：2014-02-04
申请人： Sakata INX Corp.
发明人： IKEDO Keisuke , OKAMOTO Katsutoshi , SHIBATA Hideo
摘要： The object of the present invention is to provide a liquid developing agent for electrophotography or electrostatic recording obtained by utilizing the coacervation method, wherein such liquid developing agent has good abrasion resistance. To this end, a liquid developing agent is provided which is obtained by utilizing the coacervation method, comprising insulating liquid in which colored resin particles formed by at least pigment, pigment dispersant, acid-group-containing resin, binder resin, and resin whose glass transition temperature is -120 to -60°C are dispersed, wherein the resin whose glass transition temperature is -120 to -60°C is contained in the colored resin particle by 1.0 to 5.0 percent by mass.
摘要翻译： 本发明的目的是提供一种通过利用凝聚法获得的用于电子照相或静电记录的液体显影剂，其中这种液体显影剂具有良好的耐磨性。 为此，提供了一种液体显影剂，其通过利用凝聚法获得，包括绝缘液体，其中至少由颜料，颜料分散剂，含酸基树脂，粘合剂树脂和玻璃制成的树脂形成的着色树脂颗粒 转移温度为-120〜-60℃，其中，着色树脂颗粒中玻璃化转变温度为-120〜-60℃的树脂为1.0〜5.0质量％。
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公开(公告)号：EP3104226A1
公开(公告)日：2016-12-14
申请号：EP15746678.0
申请日：2015-02-04
申请人： Sakata INX Corp.
CPC分类号： G03G9/122 , G03G9/131 , G03G9/132 , G03G9/1355
摘要： An object of the present invention is to provide a liquid developer for electrophotography or electrostatic recording, demonstrating good particle uniformity, preservation stability, fixing property, and electrophoretic migration property. To achieve the aforementioned object, the present invention provides a liquid developer that contains colored resin particles granulated by utilizing the coacervation method, from at least an acid carbon black as pigment, binder resin containing acid group-containing resin, basic group-containing pigment dispersion agent, pigment dispersion aid which is an acid pigment derivative and accounts for 0.1 to 10.0 parts by mass per 100 parts by mass of the pigment, and granulating aid, wherein the colored resin particles are dispersed in an insulating solvent by means of a particle dispersion agent.
摘要翻译： 本发明的一个目的是提供一种用于电子照相或静电记录的液体显影剂，其显示出良好的颗粒均匀性，保存稳定性，定影性和电泳迁移性。 为了实现上述目的，本发明提供了一种液体显影剂，其包含通过利用凝聚方法造粒的着色树脂颗粒，至少来自作为颜料的酸性炭黑，包含含酸基团树脂的粘合剂树脂，含碱性基团的颜料分散体 作为酸性颜料衍生物的颜料分散助剂，相对于颜料100质量份，含有0.1〜10.0质量份的颜料分散助剂和造粒助剂，通过粒子分散液将着色树脂粒子分散在绝缘溶剂中 剂。
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公开(公告)号：EP3104225A1
公开(公告)日：2016-12-14
申请号：EP15746595.6
申请日：2015-02-04
申请人： Sakata INX Corp.
摘要： An object of the present invention is to provide a liquid developer for electrophotography or electrostatic recording, wherein such liquid developer achieves good electrophoretic migration property as well as good transferability onto a base material for printing. As a means for achieving the aforementioned object, the present invention provides a liquid developer obtained by dispersing, in an insulating solvent, colored resin particles obtained according to the coacervation method from at least a pigment, pigment dispersion agent and binder resin, wherein the insulating solvent has been mixed in such a way that aliphatic hydrocarbon solvent having 11 to 12 carbon atoms accounts for 8.0 to 20.0 percent by mass, and aliphatic hydrocarbon solvent having 17 to 30 carbon atoms accounts for 2.0 to 45.0 percent by mass, and a total of these aliphatic hydrocarbon solvents having 11 to 30 carbon atoms accounts for 99 percent by mass or more, relative to the total mass of insulating solvent, and also in such a way that the viscosity of the insulating solvent at 25°C becomes 2.0 to 10.0 mPa•s.
摘要翻译： 本发明的目的是提供一种用于电子照相或静电记录的液体显影剂，其中这种液体显影剂具有良好的电泳迁移性能以及对用于印刷的基材的良好转印性。 作为实现上述目的的手段，本发明提供一种液体显影剂，其通过在绝缘溶剂中分散至少一种颜料，颜料分散剂和粘合剂树脂，根据凝聚法获得的着色树脂颗粒，其中绝缘 溶剂混合，使得碳原子数为11〜12的脂肪族烃溶剂为8.0〜20.0质量％，碳原子数为17〜30的脂肪族烃溶剂占2.0〜45.0质量％ 相对于绝缘性溶剂的总质量，这些11〜30个碳原子的脂肪族烃溶剂占99质量％以上，绝缘溶剂在25℃下的粘度为2.0〜10.0mPa €¢秒。
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