Toner composition and developer for electrostatic image development
    2.
    发明授权
    Toner composition and developer for electrostatic image development 有权
    用于静电图像显影的调色剂组合物和显影剂

    公开(公告)号:US06238836B1

    公开(公告)日:2001-05-29

    申请号:US09401783

    申请日:1999-09-22

    IPC分类号: G03G9087

    CPC分类号: G03G9/08753 G03G9/08755

    摘要: An electrostatic image developer is provided which has superior fixation properties and anti-offset properties, exhibits stable charge behavior even during continuous printing, and has superior durability and permits a high-quality image to be obtained. This electrostatic image developer is a toner composition containing colored resin particles comprising at least a binder resin, a colorant, and a charge control agent, wherein (1) an epoxy compound with a valence of 5 or more, (2) a polybasic acid compound having a valence of 2 or more selected from the group consisting of polybasic acids and/or acid anhydrides and/or lower alkyl esters thereof, and (3) a polyvalent alcohol having a valence of 2 or more, are employed as chief structural components of the binder resin, and a polyester resin is produced by reacting components (1)-(3) simultaneously, or by first reacting components (1) and (3), and subsequently reacting component (2), or by first reacting components (1) and (2), and subsequently reacting component (3).

    摘要翻译: 提供静电图像显影剂,其具有优异的固着性和抗偏移性,即使在连续印刷期间也表现出稳定的电荷性能,并且具有优异的耐久性并且可以获得高质量的图像。 该静电图像显影剂是包含至少包含粘合剂树脂,着色剂和电荷控制剂的着色树脂颗粒的调色剂组合物,其中(1)价数为5以上的环氧化合物,(2)多元酸化合物 具有选自多元酸和/或酸酐和/或其低级烷基酯的化合价为2以上的化合价,和(3)2价以上的多价醇作为主要结构成分 通过使组分(1) - (3)同时反应或首先使组分(1)和(3)反应,然后使组分(2)反应,或通过首先使组分(1)反应来制备粘合剂树脂和聚酯树脂 )和(2),随后使组分(3)反应。