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    • 13. 发明授权
    • Toner, and process cartridge
    • 墨粉和处理墨盒
    • US06881527B2
    • 2005-04-19
    • US10391563
    • 2003-03-20
    • Shuhei MoribeHirohide TanikawaHiroshi YusaTakashige KasuyaYoshihiro OgawaHideto IidaKatsuhisa Yamazaki
    • Shuhei MoribeHirohide TanikawaHiroshi YusaTakashige KasuyaYoshihiro OgawaHideto IidaKatsuhisa Yamazaki
    • G03G9/087
    • G03G9/08755
    • In a toner having a polyester resin as a binder resin component, and a colorant, the toner contains (a) in the binder resin component, from 20.0% by weight to 65.0% by weight of a tetrahydrofuran-insoluble matter A1 in 6-hour extraction and from 35.0% by weight to 80.0% by weight of a tetrahydrofuran-soluble matter A2 in 6-hour extraction, (b) in the binder resin component, from 10.0% by weight to 30.0% by weight of a tetrahydrofuran-insoluble matter B1 in 16-hour extraction and from 70.0% by weight to 90.0% by weight of a tetrahydrofuran-soluble matter B2 in 16-hour extraction, and (c) in the binder resin component, from 0.5% by weight to 3.0% by weight of an orthodichloro-benzene-insoluble matter C1 in 6-hour extraction at 185° C. and from 97.0% by weight to 99.5% by weight of an orthodichlorobenzene-soluble matter C2 in 6-hour extraction at 185° C. The proportion of C1 to B1, C1/B1, is from 0.06 to 0.15, and the A1, B1 and C1 satisfy the following expression (1): A1>B1>C1.  Expression (1) A process cartridge makes use of this toner.
    • 在具有作为粘合剂树脂组分的聚酯树脂和着色剂的调色剂中,调色剂在粘合剂树脂组分中含有(a)20.0重量%至65.0重量%的四氢呋喃不溶物A1在6小时内 萃取,在6小时萃取中为35.0重量%〜80.0重量%的四氢呋喃可溶性物质A2,(b)粘合剂树脂成分中的10.0重量%〜30.0重量%的四氢呋喃不溶物 B1提取16小时,在16小时提取中为70.0重量%〜90.0重量%的四氢呋喃可溶性物质B2,(c)在粘合剂树脂成分中,0.5重量%〜3.0重量% 的异丙苯不溶物C1在185℃下提取6小时,在185℃下6小时萃取时为97.0重量%至99.5重量%的邻二氯苯可溶物C2。 C1〜B1,C1 / B1为0.06〜0.15,A1,B1,C1满足下式(1):< e description =“In-line Formulas”end =“lead”?> A1> B1> C1。 表达式(1)<?in-line-formula description =“在线公式”end =“tail”?>处理盒使用此碳粉。
    • 17. 发明授权
    • Process for producing toner, and toner
    • 生产调色剂和调色剂的方法
    • US07306889B2
    • 2007-12-11
    • US11013535
    • 2004-12-17
    • 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。
    • 19. 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。