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    • 56. 发明公开
    • ELECTROSTATIC IMAGE-DEVELOPING TONER
    • 静电图像显影墨粉
    • EP2490074A2
    • 2012-08-22
    • EP10808329.6
    • 2010-08-10
    • Park&Opc Co., Ltd.
    • YU, Jae-GoangJO, Ho-Geun
    • G03G9/08G03G9/087
    • G03G9/0806G03G9/0804G03G9/0819G03G9/0821G03G9/0827G03G9/0975
    • The present invention relates to an electrostatic image-developing toner which contains binding resin, a coloring agent, and a releasing agent, as well as to a toner composition and to a method for producing the toner composition. The electrostatic image-developing toner is produced by: (1) a suspension polymerization process (S1) comprising: 1-1) a step of preparing an aqueous dispersion medium; 1-2) a step of dispersing and dissolving a polymerizable monomer mixture; 1-3) a droplet-preparing step of micronizing the liquid prepared in step 1-2) into the liquid prepared in the step 1-1) with high shearing force; and 1-4) a step of radically polymerizing the microparticle liquid droplet prepared in step 1-3); (2) a seeded polymerization process (S2) comprising: 2-1) a step of dissolving and dispersing the releasing agent; and 2-2) a step of the seeded polymerization of the liquid prepared in step 2-1); (3) a process in which particles produced in the suspension polymerization process (S1) and in the seeded polymerization process (S2) agglomerate; (4) a process of fusing the particles agglomerated in process (3) by means of heat; (5) a process of cleaning and drying the toner produced in the process (4); and (6) a process of adding an agent for providing the toner produced in the process (5) with electrostatic properties and flowability.
    • 本发明涉及含有粘合树脂,着色剂和脱模剂的静电图像显影用调色剂,以及调色剂组合物以及该调色剂组合物的制造方法。 静电图像显影用调色剂通过以下方法制造:(1)悬浮聚合方法(S1),其包括:1-1)制备水分散介质的步骤; 1-2)分散和溶解可聚合单体混合物的步骤; 1-3)以高剪切力将在步骤1-2)中制备的液体微粉化成在步骤1-1)中制备的液体的液滴制备步骤; 和1-4)使步骤1-3)中制备的微粒液滴自由基聚合的步骤; (2)种晶聚合工艺(S2),包括:2-1)溶解和分散脱模剂的步骤; 和2-2)在步骤2-1)中制备的液体的种子聚合的步骤; (3)在悬浮聚合过程(S1)和引入的聚合过程(S2)中产生的颗粒附聚的过程; (4)通过加热熔化方法(3)中凝聚的颗粒的过程; (5)清洗和干燥方法(4)中产生的调色剂的过程; 和(6)加入用于提供在方法(5)中生产的调色剂的试剂的方法,其具有静电特性和流动性。
    • 60. 发明公开
    • Toner
    • 爽肤水
    • EP2378364A1
    • 2011-10-19
    • EP11002636.6
    • 2011-03-30
    • Canon Kabushiki Kaisha
    • Kaneko, HidekiYachi, ShinyaNakayama, KenichiKaburagi, TakeshiKuroki, Shiro
    • G03G9/08G03G9/087
    • G03G9/0802G03G9/0821G03G9/08708G03G9/08711G03G9/08793G03G9/08795G03G9/08797
    • A toner includes toner particles each containing a binder resin, a colorant, and a carboxy-containing styrene-based resin, in which the toner particles are produced in an aqueous medium, each of the toner particles has a styrene-acrylic-based resin component content of 50.0% by mass or more, cyclohexane-insoluble matter A obtained by subjecting the toner to Soxhlet extraction with cyclohexane for 4 hours is 70.0% by mass or more, and cyclohexane-insoluble matter B obtained by subjecting the toner to Soxhlet extraction with cyclohexane for 24 hours is 40.0% by mass or less, and wherein when the z-average molecular weight and the weight-average molecular weight of tetrahydrofuran-soluble matter of the carboxy-containing styrene-based resin determined by gel permeation chromatography measurement are represented by Mz and Mw, respectively, Mz and Mw satisfy the following expressions:
      10,000 ≤ Mw ≤ 30,000, and
      1.62 ≤ Mz/Mw ≤ 5.00.
    • 调色剂包括各自含有粘合剂树脂,着色剂和含羧基的苯乙烯基树脂的调色剂颗粒,其中调色剂颗粒在水性介质中制备,每个调色剂颗粒具有苯乙烯 - 丙烯酸类树脂组分 含量为50.0质量%以上的环己烷不溶物质A为70.0质量%以上,环己烷不溶性物质A为70.0质量%以上,通过将调色剂进行索格利特萃取而得到的环己烷不溶性物质A, 环己烷24小时为40.0质量%以下,并且当通过凝胶渗透色谱测量确定的含羧基苯乙烯基树脂的四氢呋喃可溶物质的平均分子量和重均分子量表示时 分别为Mz和Mw,Mz和Mw满足以下表达式:10,000‰¤Mw‰³30,000,¤。¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤