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    • 1. 发明授权
    • Toner
    • 爽肤水
    • US09128400B2
    • 2015-09-08
    • US13990367
    • 2011-12-15
    • Toru TakahashiKatsuhisa YamazakiShuhei MoribeDaisuke YoshibaDaisuke TsujimotoMasami Fujimoto
    • Toru TakahashiKatsuhisa YamazakiShuhei MoribeDaisuke YoshibaDaisuke TsujimotoMasami Fujimoto
    • G03G9/087G03G9/08G03G9/083G03G9/09G03G9/097
    • G03G9/08797G03G9/0821G03G9/0835G03G9/08755G03G9/08782G03G9/08788G03G9/08795G03G9/0904G03G9/091G03G9/09783
    • 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.
    • 为了提供可以保持其熔融粘附到套筒上的调色剂,并且即使在双面打印中,也可以保持高温偏移发生,并在表面和背面上获得高质量的图像。 调色剂包含调色剂颗粒,每个调色剂颗粒含有含有通过i)具有70℃至105℃的软化点TA(℃)的树脂(A)反应形成的树脂的粘合剂树脂,并且具有 在55℃至120℃的吸热峰的峰顶,ii)具有120℃至160℃的软化点TB(℃)的树脂(B),并具有吸热峰顶 在55℃至120℃的峰值,并且在其粘弹性特性中,在180℃下的储能弹性模量(G'180)为3.0×10 3 Pa至3.0×10 4 Pa,其中损耗角正切 tanδ具有至少一个具有峰顶的峰在50℃至70℃的范围内,并且当峰的顶峰温度由T(℃)表示时,T + 10处的损耗角正切 (℃)[tanδ(T + 10)]为1.0〜1.5,tanδ(T + 10)/tanδ(110)的比为0.8〜1.5。
    • 3. 发明申请
    • TONER
    • 托尼
    • US20130302730A1
    • 2013-11-14
    • US13990367
    • 2011-12-15
    • Toru TakahashiKatsuhisa YamazakiShuhei MoribeDaisuke YoshibaDaisuke TsujimotoMasami Fujimoto
    • Toru TakahashiKatsuhisa YamazakiShuhei MoribeDaisuke YoshibaDaisuke TsujimotoMasami Fujimoto
    • G03G9/087
    • G03G9/08797G03G9/0821G03G9/0835G03G9/08755G03G9/08782G03G9/08788G03G9/08795G03G9/0904G03G9/091G03G9/09783
    • 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.
    • 为了提供可以保持其熔融粘附到套筒上的调色剂,并且即使在双面打印中,也可以保持高温偏移发生,并在表面和背面上获得高质量的图像。 调色剂包含调色剂颗粒,每个调色剂颗粒含有含有通过i)具有70℃至105℃的软化点TA(℃)的树脂(A)反应形成的树脂的粘合剂树脂,并且具有 在55℃至120℃的吸热峰的峰顶,ii)具有120℃至160℃的软化点TB(℃)的树脂(B),并具有吸热峰顶 在55℃至120℃的峰值,并且在其粘弹性特性中,在180℃下的储能弹性模量(G'180)为3.0×10 3 Pa至3.0×10 4 Pa,其中损耗角正切 tanδ具有至少一个具有峰顶的峰在50℃至70℃的范围内,并且当峰的顶峰温度由T(℃)表示时,T + 10处的损耗角正切 (℃)[tanδ(T + 10)]为1.0〜1.5,tanδ(T + 10)/tanδ(110)的比为0.8〜1.5。
    • 4. 发明授权
    • Toner
    • 爽肤水
    • US09097998B2
    • 2015-08-04
    • US13990369
    • 2011-12-22
    • Katsuhisa YamazakiShuhei MoribeDaisuke YoshibaToru TakahashiDaisuke TsujimotoMasami Fujimoto
    • Katsuhisa YamazakiShuhei MoribeDaisuke YoshibaToru TakahashiDaisuke TsujimotoMasami Fujimoto
    • G03G9/087G03G9/08
    • G03G9/087G03G9/0821G03G9/08755G03G9/08795G03G9/08797
    • A toner is provided which is superior in the long-term storage stability and has high low-temperature fixing properties. In a DSC curve as measured with a differential scanning calorimeter, the toner has a glass transition temperature of not less than 50° C. and not more than 60° C.; and the toner has, in regard to a resin composition contained therein, a difference of not less than 0.060 W/g in heat flow between a point on the curve at a temperature of 40° C. and a baseline in the range exceeding the glass transition temperature; and in viscoelastic characteristics measured at a frequency of 6.28 rad/sec, the toner has a storage elastic modulus (G′40) at a temperature of 40° C. of not less than 7.0×108 Pa and not more than 2.0×109 Pa, and a storage elastic modulus (G′70) at a temperature of 70° C. of not less than 1.0×105 Pa and not more than 1.0×107 Pa.
    • 提供了一种调色剂,其长期保存稳定性优异且具有高的低温定影性。 在用差示扫描量热计测量的DSC曲线中,调色剂的玻璃化转变温度不低于50℃且不超过60℃。 并且对于其中所含的树脂组合物,调色剂在温度为40℃的曲线上的点与在超过玻璃的范围内的基线之间的热流中的热流不同为0.060W / g 转变温度; 并且以6.28rad / sec的频率测量的粘弹特性中,调色剂在40℃的温度下的储能弹性模量(G'40)不小于7.0×10 8 Pa且不大于2.0×10 9 Pa ,并且在70℃的温度下的储能弹性模量(G'70)不小于1.0×10 5 Pa且不大于1.0×10 7 Pa。