IMAGE CARRIER PROTECTIVE AGENT, PROTECTIVE LAYER FORMING DEVICE, IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
PROBLEM TO BE SOLVED: To provide an image carrier protective agent that can suppress squeaking of a blade, protects image carriers, prevents contamination of charging means, and has improved cleanability.SOLUTION: There is provided an image carrier protective agent containing a fatty acid metal salt...
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Format: | Patent |
Sprache: | eng ; jpn |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide an image carrier protective agent that can suppress squeaking of a blade, protects image carriers, prevents contamination of charging means, and has improved cleanability.SOLUTION: There is provided an image carrier protective agent containing a fatty acid metal salt and an inorganic lubricant, where the inorganic lubricant contains a first inorganic lubricant having a number average primary particle diameter of 1.0 μm or less and a second inorganic lubricant having a number average primary particle diameter of 2.0 μm or more. Preferable aspects include one where the inorganic lubricant is at least one selected from mica, boron nitride, molybdenum disulfide, tungsten disulfide, talc, kaolin, montmorillonite, calcium fluoride, and graphite.SELECTED DRAWING: None
【課題】ブレード鳴きを抑制でき、像担持体の保護性、帯電手段の汚染防止、及びクリーニング性を兼ね備えた像担持体保護剤の提供。【解決手段】脂肪酸金属塩、及び無機潤滑剤を含有し、前記無機潤滑剤が、1.0μm以下の個数平均一次粒径を有する第1の無機潤滑剤と、2.0μm以上の個数平均一次粒径を有する第2の無機潤滑剤と、を含む像担持体保護剤である。前記無機潤滑剤が、マイカ、窒化ホウ素、二硫化モリブデン、二硫化タングステン、タルク、カオリン、モンモリロナイト、フッ化カルシウム、及びグラファイトから選択される少なくとも1種である態様などが好ましい。【選択図】なし |
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