TONER, MANUFACTURING METHOD OF TONER, DEVELOPER USING TONER, AND PROCESS CARTRIDGE

PROBLEM TO BE SOLVED: To provide a toner that exhibits excellent fixability even to a recording medium with large surface irregularity, and has an improved heat-resistant storage property, leaves less stains on members, and has high manufacturing stability.SOLUTION: There is provided a toner contain...

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1. Verfasser: KUROSE KATSUNOBU
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a toner that exhibits excellent fixability even to a recording medium with large surface irregularity, and has an improved heat-resistant storage property, leaves less stains on members, and has high manufacturing stability.SOLUTION: There is provided a toner containing a first amorphous resin, second amorphous resin, crystalline resin, and mold release agent, where the second amorphous resin and crystalline resin constitute a core-shell particle including the crystalline resin as a core and the second amorphous resin as a shell, and the mold release agent has the surface coated at least partially with the core-shell particles and is unevenly distributed on the surface of a toner particle. 【課題】表面凹凸が大きい記録媒体であっても優れた定着性と有し、さらに、耐熱保存性、に部材汚染が少なく、製造安定性が高いトナーを提供すること。【解決手段】第1の非晶性樹脂と、第2の非晶性樹脂と、結晶性樹脂と、離型剤と、を含有するトナーであって、前記第2の非晶性樹脂と結晶性樹脂とは、結晶性樹脂をコアとし第2の非晶性樹脂をシェルとするコアシェル粒子を構成し、前記離型剤は表面の少なくとも一部が前記コアシェル粒子に被覆されてトナー粒子表面に偏在することを特徴とするトナー。【選択図】図1