TONER

TONER

To provide a toner which is excellent in low temperature fixability and hot offset resistance, and enlarges a fixation temperature width.SOLUTION: A toner contains an amorphous polyester-based resin, a crystalline polyester resin, and a wax, wherein the amorphous polyester-based resin contains an am...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: MITSUJI MASATAKA, KAMIYOSHI NOBUMICHI
Format: Patent
Sprache:eng ; jpn
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Beschreibung
Zusammenfassung:To provide a toner which is excellent in low temperature fixability and hot offset resistance, and enlarges a fixation temperature width.SOLUTION: A toner contains an amorphous polyester-based resin, a crystalline polyester resin, and a wax, wherein the amorphous polyester-based resin contains an amine-modified polyester resin (A) obtained by condensing an amine compound into a polycondensate of an alcohol component and a carboxylic acid component, the alcohol component contains 60 mol% or more of aliphatic diol, and the acid value of the crystalline polyester resin is 20 mgKOH/g or more.SELECTED DRAWING: None 【課題】低温定着性及び耐ホットオフセット性に優れ、定着温度幅が拡大したトナーを提供する。【解決手段】非晶性ポリエステル系樹脂、結晶性ポリエステル樹脂、及びワックスを含むトナーであり、前記非晶性ポリエステル系樹脂は、アルコール成分とカルボン酸成分との重縮合物にアミン化合物が縮合したアミン変性ポリエステル樹脂（Ａ）を含有し、前記アルコール成分が脂肪族ジオールを６０モル％以上含有し、前記結晶性ポリエステル樹脂の酸価が２０ｍｇＫＯＨ／ｇ以上である、トナー。【選択図】なし