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    • 5. 发明申请
    • Toner compositions
    • 调色剂组合物
    • US20060019188A1
    • 2006-01-26
    • US10899244
    • 2004-07-26
    • Thomas PickeringLouis Isganitis
    • Thomas PickeringLouis Isganitis
    • G03G9/08
    • G03G9/09708
    • A toner composition for use in a xerographic or electrostatographic imaging process. The toner composition includes a toner particle and an optional primary external surface additive and a friable external surface additive. The friable external surface additive may also be a material that is capable of functioning as a primary external surface additive. The friable external surface additive is generally larger than the primary surface additive and capable of having portions of the friable particle broken or abraded off during the imaging process. The particles that are abraded off the friable additive can replace the primary external additive particles that become embedded into toner particles during the development process. The friable additives contribute to reducing toner aging and provide a toner with satisfactory flow and triboelectric properties.
    • 用于静电照相或静电摄影成像过程的调色剂组合物。 调色剂组合物包括调色剂颗粒和任选的初级外表面添加剂和易碎的外表面添加剂。 脆性外表面添加剂也可以是能够用作主要外部表面添加剂的材料。 易碎的外表面添加剂通常大于主表面添加剂,并且能够在成像过程中使易碎颗粒的部分破碎或磨损。 磨碎的易碎添加剂的颗粒可以替代在显影过程中嵌入调色剂颗粒中的初级外部添加剂颗粒。 易碎添加剂有助于减少调色剂老化并提供具有令人满意的流动性和摩擦性能的调色剂。