TONER FOR ELECTROSTATIC CHARGE IMAGE DEVELOPMENT, DEVELOPER FOR ELECTROSTATIC CHARGE IMAGE DEVELOPMENT, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD

PROBLEM TO BE SOLVED: To provide a toner for electrostatic charge image development that is excellent in charge maintainability and suppresses the occurrence of filming on the surface of a photoreceptor that occurs when images are repeatedly formed.SOLUTION: There is provided a toner for electrostat...

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Main Authors ZENITANI YUKA, TAKEUCHI SAKAE, IIDA YOSHIFUMI, ERI YOSHIFUMI, IWANAGA TAKESHI, SUMIKURA YASUO, NAKAJIMA YOHITO, OKUNO HIROYOSHI, INOUE TOSHIMOTO, MOROOKA YASUHISA, NOZAKI SHUNSUKE
Format Patent
LanguageEnglish
Japanese
Published 17.08.2017
Subjects
CHEMISTRY
CINEMATOGRAPHY
COMPOUNDS THEREOF
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
INORGANIC CHEMISTRY
MAGNETOGRAPHY
METALLURGY
NON-METALLIC ELEMENTS
PHOTOGRAPHY
PHYSICS
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Summary:PROBLEM TO BE SOLVED: To provide a toner for electrostatic charge image development that is excellent in charge maintainability and suppresses the occurrence of filming on the surface of a photoreceptor that occurs when images are repeatedly formed.SOLUTION: There is provided a toner for electrostatic charge image development comprising: a toner particle; and an external additive that contains silica particles having a compression aggregation degree of 60% or more and 95% or less and a particle compression ratio of 0.20 or more and 0.40 or less.SELECTED DRAWING: None 【課題】帯電維持性に優れ、かつ画像を繰り返し形成したときに生じる感光体表面のフィルミングの発生が抑制される静電荷像現像用トナーを提供する。【解決手段】トナー粒子と、圧縮凝集度が６０％以上９５％以下、粒子圧縮比が０．２０以上０．４０以下であるシリカ粒子を含む外添剤と、を有する静電荷像現像用トナーである。【選択図】なし
Bibliography:Application Number: JP20160024114