TONER AND MANUFACTURING METHOD OF TONER

PROBLEM TO BE SOLVED: To provide a toner excellent in low-temperature fixability, storage stability, development durability, and environmental stability.SOLUTION: There is provided a toner comprising toner particles each including a surface layer containing an organic silicon polymer, wherein the to...

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Bibliographic Details
Main Authors TANAKA MASAYASU, MOCHIZUKI SHINSUKE, KATAKURA TOSHIHIKO, ISONO NAOYA, NAKAYAMA KENICHI, ABE KOJI
Format Patent
LanguageEnglish
Japanese
Published 28.12.2016
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:PROBLEM TO BE SOLVED: To provide a toner excellent in low-temperature fixability, storage stability, development durability, and environmental stability.SOLUTION: There is provided a toner comprising toner particles each including a surface layer containing an organic silicon polymer, wherein the toner particle includes a styrene-acrylic resin, and a block polymer including (i) a polyester part C and a vinyl polymer part A, where the ratio of the polyester part C to the vinyl polymer part A based on mass (C/A) is 40/60 to 80/20, and having (ii) a melting point (Tm) of 55-90°C; the organic silicon polymer has a partial structure represented by Rf-SiO.SELECTED DRAWING: None 【課題】 低温定着性、保存安定性、現像耐久性、環境安定性に優れたトナーを提供する。【解決手段】 有機ケイ素重合体を含有する表層を有するトナー粒子を有するトナーであって、トナー粒子が、スチレンアクリル樹脂と、ｉ）ポリエステル部位Ｃおよびビニルポリマー部位Ａを有し、前記ポリエステル部位Ｃと前記ビニルポリマー部位Ａの質量基準の比率（Ｃ／Ａ）が、４０／６０〜８０／２０であり、ｉｉ）融点（Ｔｍ）が５５〜９０℃であるブロックポリマーと、を含有し、有機ケイ素重合体がＲｆ−ＳｉＯ３／２で表わされる部分構造を有する。【選択図】 なし
Bibliography:Application Number: JP20160083771