TONER

PROBLEM TO BE SOLVED: To provide a toner having excellent charge stability and durability when printing out a large number of sheets, specifically, to provide a toner having good solid followability even when the toner is deteriorated due to embedment and separation of an external additive in low te...

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Bibliographic Details
Main Authors KAWAGUCHI SHINTARO, KENMOKU TAKASHI, KATSUTA YASUSHI, GYE DAE SI
Format Patent
LanguageEnglish
Japanese
Published 09.02.2017
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:PROBLEM TO BE SOLVED: To provide a toner having excellent charge stability and durability when printing out a large number of sheets, specifically, to provide a toner having good solid followability even when the toner is deteriorated due to embedment and separation of an external additive in low temperature and low humidity.SOLUTION: There is provided a toner comprising toner particles containing a resin, polyester resin A, charge control resin B, and colorant, wherein the polyester resin A contains an isosorbide unit, and the charge control resin B has a specific structure.SELECTED DRAWING: None 【課題】多数枚のプリントアウト時において、帯電安定性及び耐久性に優れたトナーを提供すること。具体的には、低温低湿下において外添剤の埋め込みや遊離などでトナーが劣化した場合でも、ベタ追従性が良好なトナーを提供すること。【解決手段】樹脂、ポリエステル樹脂Ａ、帯電制御樹脂Ｂ及び着色剤を含有するトナー粒子を有するトナーであって、ポリエステル樹脂Ａが、イソソルビドユニットを含有し、帯電制御樹脂Ｂが、特定の構造を有することを特徴とするトナー。【選択図】なし
Bibliography:Application Number: JP20150150440