TONER CONTAINING CHARGE CONTROL AGENT

To provide an improved toner, in particular an emulsion aggregation toner that can be prepared with a reduced amount of TiO2, or can be free of TiO2 altogether, and offers stable charging performance in all environmental extremes.SOLUTION: An emulsion aggregation toner is provided, comprising toner...

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Bibliographic Details
Main Authors CHENG CHIEH-MIN, QI GENGGENG, ELIZABETH K PRIEBE, JORDAN A FRANK, MICHAEL F ZONA
Format Patent
LanguageEnglish
Japanese
Published 02.10.2023
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:To provide an improved toner, in particular an emulsion aggregation toner that can be prepared with a reduced amount of TiO2, or can be free of TiO2 altogether, and offers stable charging performance in all environmental extremes.SOLUTION: An emulsion aggregation toner is provided, comprising toner particles, each containing at least one type of resin, an optional colorant, an optional wax, and a charge control agent disposed on a surface of the toner particle, the charge control agent comprising a phenyl siloxane, and a complex formed from a metal ion donor and at least one ligand selected from a group consisting of a polyaromatic acid containing humic acid, a pyranone ligand, a furanone, or a combination thereof.SELECTED DRAWING: Figure 3 【課題】更に、低減した量のＴｉＯ２で調製することができるか、又はＴｉＯ２を全く含まなくてもよく、一方で全ての環境的極限下での安定した帯電性能も提供する、改善されたトナー、実施形態ではエマルション凝集トナーが依然として必要とされている。【解決手段】エマルション凝集トナーであって、少なくとも１種の樹脂を含むトナー粒子と、任意選択的な着色剤と、任意選択的なワックスと、トナー粒子の表面上に配置された電荷制御剤であって、フェニル系シロキサンと、金属イオン供与体、及びフミン酸を含むポリ芳香族酸、ピラノン系配位子、フラノン系配位子、又はこれらの組み合わせからなる群のメンバーから選択される配位子のうちの少なくとも１つから形成された錯体と、を含む、制御剤と、を含む、エマルション凝集トナー。【選択図】図３
Bibliography:Application Number: JP20230036227