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    Surface particle attachment process, and particles made therefrom
    7.
    发明授权
    Surface particle attachment process, and particles made therefrom 有权
    表面颗粒附着工艺和由其制成的颗粒

    公开(公告)号：US07276320B2

    公开(公告)日：2007-10-02

    申请号：US11037215

    申请日：2005-01-19

    申请人： Grazyna E. Kmiecik-Lawrynowicz ,  Maura A. Sweeney ,  Robert D. Bayley ,  Ronald J. Koch ,  Mary L. McStravick ,  Daniel W. Asarese

    发明人： Grazyna E. Kmiecik-Lawrynowicz ,  Maura A. Sweeney ,  Robert D. Bayley ,  Ronald J. Koch ,  Mary L. McStravick ,  Daniel W. Asarese

    IPC分类号： G03G9/08

    CPC分类号： G03G9/0804 ,  G03G9/0806 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/0827 ,  G03G9/08711 ,  G03G9/08773 ,  G03G9/08797

    摘要： A method of forming toner particles having surface particles attached thereto includes the steps of aggregating a material of at least one binder material and at least one colorant to produce toner particles, following aggregation, forming a mixture of the surface particles and the toner particles, and subjecting the mixture to a temperature above the glass transition temperature of the toner particles to coalesce the toner particles, whereby the surface particles become at least partially embedded within the surface of the toner particles. Toner particles prepared by such method include a core comprised of at least one binder and at least one colorant, and surface particles at an external surface of the toner particles, wherein at least about 50% of the surface particles are substantially completely covered by a portion of binder and a majority of the surface particles protrude from the toner particle surface a distance of at least 50% of the average particle size of the surface particles.

    摘要翻译： 形成附着有表面颗粒的调色剂颗粒的方法包括以下步骤：聚集至少一种粘合剂材料和至少一种着色剂的材料以产生调色剂颗粒，聚集后形成表面颗粒和调色剂颗粒的混合物，以及 使混合物的温度高于调色剂颗粒的玻璃化转变温度以使调色剂颗粒聚结，由此表面颗粒至少部分地嵌入调色剂颗粒的表面内。 通过这种方法制备的调色剂颗粒包括由至少一种粘合剂和至少一种着色剂组成的芯和在调色剂颗粒的外表面处的表面颗粒，其中至少约50％的表面颗粒基本上完全被部分 的粘合剂，并且大部分表面颗粒从调色剂颗粒表面突出出至少50％的表面颗粒的平均粒度的距离。