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    • 62. 发明授权
    • Process for controlling the electrical characteristics of toners
    • 控制调色剂电气特性的工艺
    • US4937167A
    • 1990-06-26
    • US312848
    • 1989-02-21
    • Karen A. MoffatMarcel P. BretonTrevor I. MartinPaul J. Gerroir
    • Karen A. MoffatMarcel P. BretonTrevor I. MartinPaul J. Gerroir
    • G03G9/08B01J13/14C08F2/00C08F2/44C09D11/02C09D17/00G03G9/087G03G9/09G03G9/093
    • G03G9/09392G03G9/09G03G9/093
    • Disclosed is a process for controlling the electrical characteristics of colored toner particles. The process comprises preparing a first core material comprising first pigment particles, core monomers, a free radical initiator, and optional polymer components; preparing a second core material which comprises second pigment particles, core monomers, a free radical initiator, and optional polymer components, said second pigment particles being of a different color from that of the first pigment particles; encapsulating separately the first core material and the second core material within polymeric shells by means of interfacial polymerization reactions between at least two shell monomers, of which at least one is soluble in aqueous media and at least one of which is soluble in organic media, wherein the polymeric shell encapsulating the first core material is of substantially the same composition as the polymeric shell encapsulating the second core material; and subsequently polymerizing the first and second core monomers via free radical polymerization, thereby producing two encapsulated heat fusible toner compositions of different colors with similar triboelectric charging characteristics.
    • 公开了一种用于控制着色调色剂颗粒的电特性的方法。 该方法包括制备包含第一颜料颗粒,核心单体,自由基引发剂和任选的聚合物组分的第一芯材料; 制备第二芯材料,其包含第二颜料颗粒,核心单体,自由基引发剂和任选的聚合物组分,所述第二颜料颗粒与第一颜料颗粒的颜色不同。 通过至少两种壳单体之间的界面聚合反应将第一芯材料和第二芯材料分开封装在聚合物外壳中,其中至少一种壳单体至少一种可溶于水性介质中,其中至少一种可溶于有机介质,其中 封装第一芯材料的聚合物壳体具有与封装第二芯材料的聚合物壳体基本相同的组成; 随后通过自由基聚合聚合第一和第二核心单体,由此制备具有类似摩擦带电特性的两种不同颜色的包封热熔调色剂组合物。