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    • 3. 发明授权
    • Toner for developing electrostatic latent image, process for
manufacturing the same, developer for electrostatic latent image, and
image-forming method
    • 用于显影静电潜像的调色剂,其制造方法,静电潜像用显影剂和成像方法
    • US5935751A
    • 1999-08-10
    • US882104
    • 1997-06-25
    • Hirotaka MatsuokaHiroyuki TanakaJong Won LeeIsamu Suzuki
    • Hirotaka MatsuokaHiroyuki TanakaJong Won LeeIsamu Suzuki
    • G03G9/08G03G9/087G03G15/08G03G9/097
    • G03G9/08782
    • Disclosed is a toner for developing an electrostatic latent image comprising a binding resin and a colorant, wherein the toner contains from 0.1% to 40% by weight of wax, the amount of wax disposed on the surface of the toner is from 1% to 10% by weight, and the number-average dispersion diameter of the wax is from 0.1 to 2 .mu.m. The toner is produced by a process comprising a step of dissolving or dispersing each of the raw materials of the resin, colorant, and wax into an organic solvent to form an oil-phase component, and a step of granulating the oil-phase component in an aqueous solvent, or a step of granulating the oil-phase component in an aqueous solvent and a step of suspension-polymerizing the particles formed in the granulation step. It is desirable that the wax be finely dispersed beforehand and that the wax be flake-shaped. The toner for developing an electrostatic latent image has the advantages that it is not necessary to supply oil to a fixing system and that the oilless fixing capability, the powder characteristics of the toner using wax, the filming characteristics, and the high transfer capability required for forming a color image can be satisfied compatibly.
    • 公开了一种用于显影静电潜像的调色剂,其包含粘合树脂和着色剂,其中调色剂含有0.1重量%至40重量%的蜡,设置在调色剂表面上的蜡的量为1至10 重量%,蜡的数均分散体直径为0.1〜2μm。 该调色剂通过包括将树脂,着色剂和蜡的每种原料溶解或分散到有机溶剂中以形成油相组分的步骤的方法制备,以及将油相组分在 水性溶剂或将水相成分在水性溶剂中造粒的工序和使造粒工序中形成的粒子悬浮聚合的工序。 希望蜡预先细分散,并且蜡是片状的。 用于显影静电潜像的调色剂具有以下优点:不需要向定影系统供应油,并且无油定影能力,使用蜡的调色剂的粉末特性,成膜特性以及​​所需的高转印能力 可以兼容地形成彩色图像。