公开(公告)号：US20140087305A1

公开(公告)日：2014-03-27

申请号：US14036854

申请日：2013-09-25

Applicant: KONICA MINOLTA, INC.

Inventor： Chiaki YAMADA ,  MASAHIRO ANNO ,  YUKIKO UNO ,  SATOSHI MATSUMOTO

IPC: G03G9/13

CPC classification number: G03G9/132 ,  G03G9/122

Abstract: A liquid developer of the present invention includes a toner particle and an insulating liquid, the toner particle including a resin and a pigment, the resin including a polyester resin, the pigment including a first pigment, a second pigment, and a third pigment, the first pigment being a carbon black, 10 to 25 mass % of the first pigment being included in the toner particle, the second pigment being nigrosine, 3 to 15 mass % of the second pigment being included in the toner particle, the third pigment being at least one organic pigment selected from a group consisting of a phthalocyanine blue pigment, a phthalocyanine green pigment, a carmine-based pigment, a naphthol-based pigment, a quinacridon-based pigment, an azo-based pigment, a benzimidazolone-based pigment, and an isoindoline-based pigment, 5 to 20 mass % of the third pigment being included in the toner particle.

Abstract translation: 本发明的液体显影剂包括调色剂颗粒和绝缘液体，所述调色剂颗粒包括树脂和颜料，所述树脂包括聚酯树脂，所述颜料包括第一颜料，第二颜料和第三颜料， 第一颜料为炭黑，调色剂颗粒中包含10〜25质量％的第一颜料，第二颜料为苯胺黑，第三颜料中含有3〜15质量％的第二颜料，第三颜料为 选自酞菁蓝颜料，酞菁绿颜料，胭脂红系颜料，萘酚系颜料，喹吖啶酮系颜料，偶氮系颜料，苯并咪唑酮系颜料， 和异二氢吲哚系颜料，调色剂颗粒中含有5〜20质量％的第三颜料。