| 摘要 |
PURPOSE: A manufacturing method of a toner using an apparatus for adding external additive is provided to obtain a toner without separation of the external additives from surface of a toner base particle by increasing adhesive strength. CONSTITUTION: An apparatus for adding external additive(100,200,300) comprises a container(110,210,310) with a bottom part and ceiling part; and a mixer(120,220,320) arranged in the container. The mixer comprises rotary shafts(121,221,321) arranged to be expanded to the bottom part, from the ceiling part; first mixing wings(122,123,222,223,322) coupled to the bottom part of the rotary shaft; and second mixing wings coupled to the ceiling part of the rotary shaft. A manufacturing method of a toner comprises a step of injecting a toner base particle and external additives, mixing the same by the mixer.
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