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    • 6. 发明授权
    • Process for developer compositions
    • 显影剂组合物的方法
    • US4678734A
    • 1987-07-07
    • US751821
    • 1985-07-05
    • John R. LaingC. D. ZimmerDeepak R. ManiarMeurig W. Williams
    • John R. LaingC. D. ZimmerDeepak R. ManiarMeurig W. Williams
    • G03G9/08G03G9/10
    • G03G9/0819G03G9/08
    • A process for the preparation of developer compositions which comprises (1) providing carrier particles consisting of a core with a coating thereover; (2) introducing the carrier particles into a blending apparatus; (3) adding to the blending apparatus fine toner particles with a diameter of from about 2 microns to about 10 microns, said particles being comprised of toner resin particles, pigment particles, and a charge enhancing additive; (4) affecting blending for a period of time sufficient to enable the classified toner particles to alter the tribogenerating ability of the surface of the carrier particles and become embedded therein; (5) subsequently adding to the resulting blended mixture toner particles of a diameter of from about 2 to about 18 microns, and comprised of toner resin particles, pigment particles, and a charge enhancing additive; and (6) blending for a period of form about 1 minute to about 5 minutes.
    • 一种制备显影剂组合物的方法,其包括(1)提供由核心组成的载体颗粒,其上涂覆有涂层; (2)将载体颗粒引入混合装置中; (3)向混合装置中加入直径为约2微米至约10微米的细调色剂颗粒,所述颗粒由调色剂树脂颗粒,颜料颗粒和电荷增强添加剂组成; (4)影响混合一段时间,足以使分级的调色剂颗粒改变载体颗粒表面的摩擦生成能力并嵌入其中; (5)随后将直到约2至约18微米的所得混合混合调色剂颗粒加入,并由调色剂树脂颗粒,颜料颗粒和电荷增强添加剂组成; 和(6)混合约1分钟至约5分钟的形式。