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    • 2. 发明授权
    • Process for producing toner, and toner
    • 生产调色剂和调色剂的方法
    • US07745089B2
    • 2010-06-29
    • US11858339
    • 2007-09-20
    • Nobuyuki OkuboTsutomu OnumaShuhei MoribeShinichiro AbeKoji Nishikawa
    • Nobuyuki OkuboTsutomu OnumaShuhei MoribeShinichiro AbeKoji Nishikawa
    • G03G9/08
    • G03G9/091G03G9/08708G03G9/08711G03G9/08722G03G9/08724G03G9/08726G03G9/08728G03G9/08731G03G9/08733G03G9/08782G03G9/08793G03G9/08795G03G9/08797
    • A process for producing a toner by subjecting a polymer and a resin component containing a cross-linkable polymer capable of cross-linkingly reacting with the polymer, to cross-linking reaction in the presence of a first wax to form a wax-containing cross-linked polymer composition; mixing the wax-containing cross-linked polymer composition with at least a colorant and a second wax, followed by melt-kneading to form a toner composition; and pulverizing the toner composition to produce toner particles. Also disclosed is a toner produced by this process. The toner thus obtained is a toner whose fixing performance and anti-offset properties are well balanced and also which makes it possible to afford images having less fog and high quality, over a long period of time in environments of from low temperature and low humidity to high temperature and high humidity, and is highly durable without causing any contamination of members with which the toner comes into contact.
    • 通过使含有能够与聚合物交联反应的交联性聚合物的聚合物和树脂成分在第一蜡的存在下进行交联反应而形成含蜡交联剂来制造调色剂的方法, 连接聚合物组成; 将含蜡的交联聚合物组合物与至少一种着色剂和第二种蜡混合,然后熔融捏合以形成调色剂组合物; 并粉碎调色剂组合物以产生调色剂颗粒。 还公开了通过该方法生产的调色剂。 由此获得的调色剂是其定影性能和抗污损性能良好平衡的调色剂,并且还使得可以在低温和低湿度的环境中长时间地提供具有较少雾度和高质量的图像, 耐高温和高湿度,并且高度耐用,而不会引起调色剂接触的部件的任何污染。
    • 5. 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。
    • 10. 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。