TONER, DEVELOPER, AND IMAGE FORMING APPARATUS

A toner, containing: toner base particles; and an external additive, the toner base particles each including a binder resin and a releasing agent, wherein the external additive includes non-spherical coalesced particles in each of which primary particles are coalesced together, and wherein the coale...

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Bibliographic Details
Main Authors SATOH, Syouko, KOJIMA, Satoshi, HIROHARA, Kiwako, OGAWA, Satoshi, AWAMURA, Junichi, NAGATOMO, Tsuneyasu, UCHINOKURA, Osamu, HONDA, Takahiro
Format Patent
LanguageEnglish
French
German
Published 14.06.2017
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:A toner, containing: toner base particles; and an external additive, the toner base particles each including a binder resin and a releasing agent, wherein the external additive includes non-spherical coalesced particles in each of which primary particles are coalesced together, and wherein the coalesced particles satisfy the following formula (1): Nx/1,000×100 30% where Nx is a number of the primary particles present alone relative to 1,000 of the coalesced particles, as observed under a scanning electron microscope after stirring 0.5 g of the coalesced particles and 49.5 g of a carrier placed in a 50 mL bottle for 10 minutes by means of a mixing and stirring device at 67 Hz.
Bibliography:Application Number: EP20130761035