公开(公告)号：US09128400B2

公开(公告)日：2015-09-08

申请号：US13990367

申请日：2011-12-15

申请人： Toru Takahashi ,  Katsuhisa Yamazaki ,  Shuhei Moribe ,  Daisuke Yoshiba ,  Daisuke Tsujimoto ,  Masami Fujimoto

发明人： Toru Takahashi ,  Katsuhisa Yamazaki ,  Shuhei Moribe ,  Daisuke Yoshiba ,  Daisuke Tsujimoto ,  Masami Fujimoto

IPC分类号： G03G9/087 ,  G03G9/08 ,  G03G9/083 ,  G03G9/09 ,  G03G9/097

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.

摘要翻译： 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。

公开(公告)号：US20130244166A1

公开(公告)日：2013-09-19

申请号：US13990369

申请日：2011-12-22

申请人： Katsuhisa Yamazaki ,  Shuhei Moribe ,  Daisuke Yoshiba ,  Toru Takahashi ,  Daisuke Tsujimoto ,  Masami Fujimoto

发明人： Katsuhisa Yamazaki ,  Shuhei Moribe ,  Daisuke Yoshiba ,  Toru Takahashi ,  Daisuke Tsujimoto ,  Masami Fujimoto

IPC分类号： G03G9/087

CPC分类号： G03G9/087 ,  G03G9/0821 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797

摘要： 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.

摘要翻译： 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。

公开(公告)号：US07638251B2

公开(公告)日：2009-12-29

申请号：US11671872

申请日：2007-02-06

申请人： Katsuhisa Yamazaki ,  Shuichi Hiroko ,  Shuhei Moribe

发明人： Katsuhisa Yamazaki ,  Shuichi Hiroko ,  Shuhei Moribe

IPC分类号： G03G9/087

CPC分类号： G03G9/0821 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797

摘要： The invention provides a toner which is excellent in its low-temperature fixing property and high-temperature offset resistance regardless of the types of paper, and constantly provides high-quality images regardless of environments and does not generate image defects even after prolonged use. In a master curve of the toner at a reference temperature of 150° C., a difference between a storage modulus at a frequency of 0.1 Hz and a storage modulus at a frequency of 1000 Hz is set in a rage from 0 to 2.5×105 Pa, where the activation energy determined from a shift factor is brought to a range from 50 to 130 kJ/mol.

摘要翻译： 本发明提供了一种调色剂，其低温定影性和耐高温胶印性优异，不论纸张类型如何，并且不管环境如何，均不断提供高质量的图像，即使长时间使用也不会产生图像缺陷。 在调色剂的基准温度为150℃的主曲线中，频率为0.1Hz的储能模量与频率为1000Hz的储能模量之间的差设定为0〜2.5×10 5 Pa ，其中由偏移因子确定的活化能达到50至130kJ / mol的范围。

公开(公告)号：US06881527B2

公开(公告)日：2005-04-19

申请号：US10391563

申请日：2003-03-20

申请人： Shuhei Moribe ,  Hirohide Tanikawa ,  Hiroshi Yusa ,  Takashige Kasuya ,  Yoshihiro Ogawa ,  Hideto Iida ,  Katsuhisa Yamazaki

发明人： Shuhei Moribe ,  Hirohide Tanikawa ,  Hiroshi Yusa ,  Takashige Kasuya ,  Yoshihiro Ogawa ,  Hideto Iida ,  Katsuhisa Yamazaki

IPC分类号： G03G9/087

CPC分类号： G03G9/08755

摘要： 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.

摘要翻译： 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。