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    • 6. 发明授权
    • Colorless ultraviolet security toner
    • 无色紫外线安全墨粉
    • US09529294B2
    • 2016-12-27
    • US14857389
    • 2015-09-17
    • Troy Group, Inc.
    • Kevin L. HeilmanMichael R. Riley
    • G03G9/08G03G9/09
    • G03G9/0926G03G9/081G03G9/0817G03G9/0819
    • In accordance with various embodiments of the invention, a method of forming an ultraviolet security toner for use in printing hardware originally designed to use chemically prepared toner includes melt-blending binder resin particles and optionally a charge-control agent, a colorant and a releasing agent. The fluorescent pigment is then admixed to the melt-blended particles to form a fluorescent pre-toner. A first inorganic material is then blended with the fluorescent pre-toner, coating the particles of the fluorescent pre-toner with the first inorganic material. A second inorganic material is then blended with the coated pre-toner, adding another layer of coating to the fluorescent pre-toner. The first inorganic material has an average particle diameter size that is less than the average particle diameter size of the fluorescent pigment particles and the second inorganic material has an average particle diameter size less than that of the first inorganic material.
    • 根据本发明的各种实施方案,一种形成用于最初设计用于使用化学制备的调色剂的印刷硬件的紫外线防晒调色剂的方法包括熔融共混粘合剂树脂颗粒和任选的电荷控制剂,着色剂和脱模剂 。 然后将荧光颜料与熔融共混的颗粒混合以形成荧光预调色剂。 然后将第一种无机材料与荧光预调色剂混合,用第一种无机材料涂覆荧光预调色剂的颗粒。 然后将第二种无机材料与涂覆的预调色剂混合,向荧光预调色剂中加入另一层涂层。 第一无机材料的平均粒径尺寸小于荧光颜料颗粒的平均粒径尺寸,第二无机材料的平均粒径尺寸小于第一无机材料的平均粒径尺寸。