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    TONER
    1.
    发明授权
    TONER 有权

    公开(公告)号：EP2659311B1

    公开(公告)日：2017-11-22

    申请号：EP11852686.2

    申请日：2011-12-15

    申请人： Canon Kabushiki Kaisha

    发明人： TAKAHASHI, Toru ,  YAMAZAKI, Katsuhisa ,  MORIBE, Shuhei ,  YOSHIBA, Daisuke ,  TSUJIMOTO, Daisuke ,  FUJIMOTO, Masami

    IPC分类号： G03G9/087

    CPC分类号： G03G9/08797 ,  G03G9/0821 ,  G03G9/0835 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08788 ,  G03G9/08795 ,  G03G9/0904 ,  G03G9/091 ,  G03G9/09783

    摘要： To provide a toner that can keep its melt-sticking to sleeve from occurring and, even in double-sided printing, can keep high-temperature offset from occurring and obtain high-quality images on both the surface and the back. The toner comprises toner particles each of which contains a binder resin containing a resin formed by the reaction of i) a resin (A) having a softening point TA (° C.) of 70° C. to 105° C. and having a peak top of endothermic peaks at 55° C. to 120° C. with ii) a resin (B) having a softening point TB (° C.) of 120° C. to 160° C. and having a peak top of endothermic peaks at 55° C. to 120° C., and, in its viscoelasticity characteristics, has a storage elastic modulus at temperature 180° C. (G′180) of 3.0×103 Pa to 3.0×104 Pa, where the loss tangent tan δ has at least one peak having a peak top within the range of 50° C. to 70° C. and, when peak top temperature of the peak is represented by T(° C.), the loss tangent at T+10(° C.) [tan δ(T+10)] is 1.0 to 1.5 and the ratio of tan δ(T+10)/tan δ(110) is 0.8 to 1.5.

    TONER
    8.
    发明公开
    TONER 有权
    碳粉

    公开(公告)号：EP2596405A4

    公开(公告)日：2016-04-06

    申请号：EP11809716

    申请日：2011-07-14

    申请人： CANON KK

    发明人： AOKI KENJI ,  TANI ATSUSHI ,  KAYA TAKAAKI ,  OKAMOTO AYAKO ,  KASUYA TAKASHIGE

    IPC分类号： G03G9/087 ,  G03G9/08

    CPC分类号： G03G9/08755 ,  G03G9/0804 ,  G03G9/08788 ,  G03G9/08795 ,  G03G9/08797

    摘要： In the measurement of an endothermic amount of a toner, (1) an endothermic peak temperature (Tp) derived from the binder resin is 50° C. or higher and 80° C. or lower; (2) a total endothermic amount (DeltaH) derived from the binder resin is 30 [J/g] or more and 125 [J/g] or less based on mass of the binder resin; (3) when an endothermic amount derived from the binder resin from an initiation temperature of an endothermic process to Tp is represented by DeltaHTp [J/g], DeltaH and DeltaHTp satisfy formula (1) below; and (4) when an endothermic amount derived from the binder resin from the initiation temperature of an endothermic process to a temperature 3.0° C. lower than Tp is represented by DeltaHTp-3 [J/g], DeltaH and DeltaHTp-3 satisfy formula (2) below. 0.30@DeltaHTp/DeltaH@0.50(1) 0.00@DeltaHTp-3/DeltaH@0.20(2)

    摘要翻译： 在调色剂的吸热量的测定中，（1）由粘结剂树脂衍生的吸热峰温度（Tp）为50℃以上且80℃以下; （2）基于粘合剂树脂的质量，从粘合剂树脂得到的总吸热量（DeltaH）为30 [J / g]以上且125 [J / g]以下。 （3）当从吸热过程的起始温度到Tp的粘合剂树脂的吸热量由ΔHTp[J / g]表示时，ΔH和ΔHTp满足下式（1）： 和（4）当从吸热过程的起始温度到低于Tp的温度3.0℃时，从粘合剂树脂得到的吸热量由ΔHTp-3 [J / g]表示时，DeltaH和DeltaHTp-3满足公式 （2）。 0.30 @ DeltaHTp / DeltaH @ 0.50（1）0.00 @ DeltaHTp-3 / DeltaH @ 0.20（2）