公开(公告)号：US20100323291A1

公开(公告)日：2010-12-23

申请号：US12679822

申请日：2008-09-26

申请人： Hirohito Maeda ,  Katsutoshi Okamoto ,  Takaaki Yodo ,  Naoya Inazumi ,  Koji Iwase

发明人： Hirohito Maeda ,  Katsutoshi Okamoto ,  Takaaki Yodo ,  Naoya Inazumi ,  Koji Iwase

IPC分类号： G03G9/13 ,  G03G9/12

CPC分类号： G03G9/131 ,  G03G9/1355

摘要： The present invention provides a method for producing a liquid developer for electrophotography or electrostatic recording obtained by a coacervation method, which sufficiently maintains the charging property and has good dispersion stability of colored resin particles, as well as a liquid developer obtained by the method.A method for producing a liquid developer by a coacervation method, wherein a colored resin particle is dispersed in an insulating hydrocarbon dispersion medium in the presence of a particle dispersant and an acid group-containing resin, and the particle dispersant is a reaction product of a polyamine compound and a self-condensation product of a hydroxycarboxylic acid.

摘要翻译： 本发明提供了通过凝聚法获得的用于电子照相或静电记录的液体显影剂的方法，其充分保持着色树脂颗粒的充电性能和良好的分散稳定性，以及通过该方法获得的液体显影剂。 通过凝聚法制造液体显影剂的方法，其中着色树脂颗粒在颗粒分散剂和含酸基树脂的存在下分散在绝缘烃分散介质中，并且颗粒分散剂是 多胺化合物和羟基羧酸的自缩合产物。

公开(公告)号：US08722302B2

公开(公告)日：2014-05-13

申请号：US12679822

申请日：2008-09-26

申请人： Hirohito Maeda ,  Katsutoshi Okamoto ,  Takaaki Yodo ,  Naoya Inazumi ,  Koji Iwase

发明人： Hirohito Maeda ,  Katsutoshi Okamoto ,  Takaaki Yodo ,  Naoya Inazumi ,  Koji Iwase

IPC分类号： G03G9/13

CPC分类号： G03G9/131 ,  G03G9/1355

摘要： The present invention provides a method for producing a liquid developer for electrophotography or electrostatic recording obtained by a coacervation method, which sufficiently maintains the charging property and has good dispersion stability of colored resin particles, as well as a liquid developer obtained by the method.A method for producing a liquid developer by a coacervation method, wherein a colored resin particle is dispersed in an insulating hydrocarbon dispersion medium in the presence of a particle dispersant and an acid group-containing resin, and the particle dispersant is a reaction product of a polyamine compound and a self-condensation product of a hydroxycarboxylic acid.

摘要翻译： 本发明提供了通过凝聚法获得的用于电子照相或静电记录的液体显影剂的方法，其充分保持着色树脂颗粒的充电性能和良好的分散稳定性，以及通过该方法获得的液体显影剂。 通过凝聚法制造液体显影剂的方法，其中着色树脂颗粒在颗粒分散剂和含酸基树脂的存在下分散在绝缘烃分散介质中，并且颗粒分散剂是 多胺化合物和羟基羧酸的自缩合产物。