TONER AND TONER STORAGE UNIT

TONER AND TONER STORAGE UNIT

To provide a toner that can provide a stable image without the occurrence of filming due to photoreceptor contamination and image abnormality due to uneven glossiness and hot offset.SOLUTION: A toner contains at least a binder resin and a mold release agent. The amount of the mold release agent extr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SAKASHITA SHINGO, NAKAMURA TAKAYUKI, SASAI ATSUSHI
Format: Patent
Sprache:eng ; jpn
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Beschreibung
Zusammenfassung:To provide a toner that can provide a stable image without the occurrence of filming due to photoreceptor contamination and image abnormality due to uneven glossiness and hot offset.SOLUTION: A toner contains at least a binder resin and a mold release agent. The amount of the mold release agent extracted by hexane is 31 mg/g or more and 95 mg/g or less. The intensity ratio (P2850/P828) of a peak derived from the mold release agent (P2850) to a peak derived from the binder resin (P828) of the toner at 25°C determined by a FTIR-ATR (attenuated total reflectance Fourier transform infrared spectroscopy) method is 0.05 or less.SELECTED DRAWING: None 【課題】感光体汚染によるフィルミングと、光沢ムラ及びホットオフセットによる画像異常とが発生しない安定した画像を提供できるトナーの提供。【解決手段】少なくともバインダー樹脂、及び離型剤を含有するトナーであって、ヘキサンによる前記離型剤の抽出量が、３１ｍｇ／ｇ以上９５ｍｇ／ｇ以下であり、前記トナーの２５℃におけるＦＴＩＲ−ＡＴＲ（全反射吸収赤外分光）法により求められる前記離型剤由来のピーク（Ｐ２８５０）と前記バインダー樹脂由来のピーク（Ｐ８２８）との強度比（Ｐ２８５０／Ｐ８２８）が、０．０５以下であるトナーである。【選択図】なし