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    • 1. 发明授权
    • Image forming method
    • 图像形成方法
    • US08811879B2
    • 2014-08-19
    • US13688456
    • 2012-11-29
    • Hiroaki ObataNatsuko FujisakiKoji ShibataAnju HoriKishio Tamura
    • Hiroaki ObataNatsuko FujisakiKoji ShibataAnju HoriKishio Tamura
    • G03G11/00G03G9/087
    • G03G11/00G03G9/08755G03G9/08791
    • An image forming method that can obtain a high fixing strength and reduce the occurrence of a document offset phenomenon is provided.In the image forming method the polyester resin forming the binder resin of the toner is obtained by condensing and polymerizing a carboxylic component containing at least one compound selected from chemical formula (1), (2) and (3) shown below that is an addition reactant of abietic acid and a carboxylic compound having an unsaturated double bond and an alcohol component, and the content of at least the one compound selected from the chemical formula (1), (2) and (3) in the carboxylic component is 5% by mass or more, and the fixing agent contains an alkylene carbonate which may have a substituent group or an aliphatic alkyl carboxylic acid ester which may have a substituent group.
    • 提供了能够获得高固定强度并减少文件偏移现象的发生的图像形成方法。 在图像形成方法中,形成调色剂的粘合剂树脂的聚酯树脂通过将选自下述化学式(1),(2)和(3)中的至少一种化合物的羧酸成分缩合和聚合得到: 松香酸和具有不饱和双键和醇组分的羧酸化合物的反应物和至少一种选自化学式(1),(2)和(3)的化合物在羧酸组分中的含量为5% 以上,固定剂含有可具有取代基的碳酸亚烷基酯或可具有取代基的脂族烷基羧酸酯。
    • 7. 发明授权
    • Toner
    • 爽肤水
    • US08206882B2
    • 2012-06-26
    • US12743386
    • 2009-07-23
    • Mikio KoyamaKenji HayashiHiroaki ObataNoriyuki KinparaHiroshi NagasawaYasuhiko Muramatsu
    • Mikio KoyamaKenji HayashiHiroaki ObataNoriyuki KinparaHiroshi NagasawaYasuhiko Muramatsu
    • G03G9/08
    • G03G9/092G03G9/0914G03G9/0924
    • The object aims to improve the reproducibility of color and the stability in density of a toner. Disclosed is a toner comprising at least a resin and a colorant, wherein the colorant comprises a compound represented by general formula (1) and a compound represented by general formula (2). [In general formula (1), R1 to R8 respectively denote a hydrogen atom, a halogen atom, an alkyl group, or an alkyl group containing a fluorine atom, provided that at least one of R1 to R8 denotes a chlorine atom]. [In general formula (2), R1 to R4 respectively denote a hydrogen atom, or an alkyl group having 1 to 4 carbon atoms; R5 and R6 respectively denote a hydrogen atom, or an alkyl group having 1 to 2 carbon atoms; R7 denotes a hydrogen atom, or an alkyl group having 1 to 4 carbon atoms; m denotes a number of 1 or 2; An− denotes a chlorine ion or a sulfonic acid compound ion; and n denotes a number of 1 or 2.
    • 本发明的目的是提高调色剂的颜色的再现性和密度的稳定性。 公开了包含至少一种树脂和着色剂的调色剂,其中着色剂包括由通式(1)表示的化合物和由通式(2)表示的化合物。 [通式(1)中,R 1〜R 8分别表示氢原子,卤素原子,烷基或含氟原子的烷基,条件是R 1〜R 8中的至少一个表示氯原子]。 [通式(2)中,R 1〜R 4分别表示氢原子或碳原子数1〜4的烷基。 R5和R6分别表示氢原子或碳原子数1〜2的烷基。 R7表示氢原子或碳原子数1〜4的烷基。 m表示1或2的数字; An-表示氯离子或磺酸化合物离子; n表示1或2的数。