公开(公告)号：US20130288174A1

公开(公告)日：2013-10-31

申请号：US13995499

申请日：2011-12-09

申请人： Yoshiaki Shiotari ,  Hiroyuki Fujikawa ,  Kunihiko Nakamura ,  Nozomu Komatsu ,  Kosuke Fukudome ,  Takayuki Itakura

发明人： Yoshiaki Shiotari ,  Hiroyuki Fujikawa ,  Kunihiko Nakamura ,  Nozomu Komatsu ,  Kosuke Fukudome ,  Takayuki Itakura

IPC分类号： G03G9/087

CPC分类号： G03G9/08755 ,  G03G9/0804 ,  G03G9/0812 ,  G03G9/0815 ,  G03G9/09716 ,  G03G9/09783

摘要： A toner is provided that exhibits a satisfactory heat-resistant storability and an excellent low-temperature fixability. The toner has toner particles each of which contains at least a binder resin and a wax, and is characterized in that this toner is obtained by attaching a metal compound to the surface of the toner particle and thereafter performing a surface treatment with a hot air current; the binder resin contains at least a polyester resin; and the metal compound is formed by coordinating or bonding a specific aromatic oxycarboxylic acid to a metal.

摘要翻译： 提供了具有令人满意的耐热储存性和优异的低温定影性的调色剂。 调色剂具有各自含有至少粘合剂树脂和蜡的调色剂颗粒，其特征在于，该调色剂是通过将金属化合物附着到调色剂颗粒的表面，然后用热气流进行表面处理 ; 粘合剂树脂至少含有聚酯树脂; 金属化合物通过使特定的芳族羟基羧酸与金属配位或结合而形成。

公开(公告)号：US20130171556A1

公开(公告)日：2013-07-04

申请号：US13822613

申请日：2011-09-15

申请人： Hiroyuki Fujikawa ,  Kunihiko Nakamura ,  Nozomu Komatsu ,  Yoshiaki Shiotari ,  Koh Ishigami ,  Kentaro Kamae ,  Takayuki Itakura

发明人： Hiroyuki Fujikawa ,  Kunihiko Nakamura ,  Nozomu Komatsu ,  Yoshiaki Shiotari ,  Koh Ishigami ,  Kentaro Kamae ,  Takayuki Itakura

IPC分类号： G03G9/087

CPC分类号： G03G9/08755 ,  G03G9/081 ,  G03G9/0821 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797

摘要： An object of the present invention is to improve resistance to wraparound during fixing while achieving both low-temperature fixability and resistance to hot offset. A further object is to suppress image density variations and fogging in white background regions during use at high print coverage rate at high temperature and high humidity. A toner containing inorganic fine particles and toner particles containing a binder resin and a wax being provided, the toner being characterized in that the binder resin contains a polyester resin A obtained by condensation polymerization of a polyvalent carboxylic acid and an alcohol component mainly containing an aromatic diol and a polyester resin B obtained by condensation polymerization of a polyvalent carboxylic acid and an alcohol component mainly containing an aliphatic diol, and in that the degree of segregation of the wax in the toner depth direction from the toner surface toward the toner center is controlled.

摘要翻译： 本发明的目的在于提高耐固化性能，同时实现低温定影性和耐热偏移性。 另一个目的是在高温和高湿度的高打印覆盖率的使用期间抑制白色背景区域中的图像浓度变化和起雾。 含有无机细颗粒的调色剂和含有粘合剂树脂和蜡的调色剂颗粒，调色剂的特征在于粘合剂树脂含有通过多元羧酸和主要含有芳香族的醇组分的缩聚获得的聚酯树脂A 二醇和通过多元羧酸和主要含有脂肪族二醇的醇成分的缩聚获得的聚酯树脂B，并且控制蜡在调色剂深度方向上从调色剂表面向调色剂中心偏析的程度被控制 。

公开(公告)号：US08288069B2

公开(公告)日：2012-10-16

申请号：US12940164

申请日：2010-11-05

申请人： Hiroyuki Fujikawa ,  Kunihiko Nakamura ,  Nozomu Komatsu ,  Yoshiaki Shiotari ,  Takeshi Ohtsu ,  Takayuki Itakura

发明人： Hiroyuki Fujikawa ,  Kunihiko Nakamura ,  Nozomu Komatsu ,  Yoshiaki Shiotari ,  Takeshi Ohtsu ,  Takayuki Itakura

IPC分类号： G03G9/08

CPC分类号： G03G9/08782 ,  G03G9/0815 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/107

摘要： Provided is a toner including: toner particles each containing at least a binder resin and a wax; and an external additive, in which surfaces of the toner particles have an average surface roughness (Ra) measured with a scanning probe microscope of 1.0 nm or more and 30.0 nm or less; and the toner has a surface tension index I for a 45-vol % aqueous solution of methanol measured by a capillary suction time method and calculated from the following equation (1) of 5.0×10−3 N/m or more and 1.0×10−1 N/m or less: I=Pα/(A×B×106)  Eq. (1) where I represents the surface tension index (N/m) of the toner, Pα represents a capillary pressure (N/m2) of the toner for the 45-vol % aqueous solution of methanol, A represents a specific surface area (m2/g) of the toner, and B represents a true density (g/cm3) of the toner.

摘要翻译： 提供一种调色剂，其包括：各自至少含有粘合剂树脂和蜡的调色剂颗粒; 和外部添加剂，其中调色剂颗粒的表面具有1.0nm以上且30.0nm以下的扫描型显微镜测定的平均表面粗糙度（Ra） 并且调色剂通过毛细管抽吸时间法测量的45体积％甲醇水溶液的表面张力指数I，并由下式（1）计算为5.0×10-3N / m以上且1.0×10 -1 N / m以下：I =Pα/（A×B×106） （1）其中I表示调色剂的表面张力指数（N / m），Pα表示45体积％甲醇水溶液的调色剂的毛细管压力（N / m 2），A表示比表面积 m2 / g），B表示调色剂的真密度（g / cm 3）。

公开(公告)号：US20090233212A1

公开(公告)日：2009-09-17

申请号：US12472944

申请日：2009-05-27

申请人： Hiroyuki Fujikawa ,  Kunihiko Nakamura ,  Nozomu Komatsu ,  Yoshiaki Shiotari ,  Takeshi Ohtsu ,  Takayuki Itakura

发明人： Hiroyuki Fujikawa ,  Kunihiko Nakamura ,  Nozomu Komatsu ,  Yoshiaki Shiotari ,  Takeshi Ohtsu ,  Takayuki Itakura

IPC分类号： G03G9/083

CPC分类号： G03G9/08782 ,  G03G9/0815 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/107

摘要： Provided is a toner including: toner particles each containing at least a binder resin and a wax; and an external additive, in which surfaces of the toner particles have an average surface roughness (Ra) measured with a scanning probe microscope of 1.0 nm or more and 30.0 nm or less; and the toner has a surface tension index I for a 45-vol % aqueous solution of methanol measured by a capillary suction time method and calculated from the following equation (1) of 5.0×10−3 N/m or more and 1.0×10−1 N/m or less: I=Pα/(A×B×106)  Eq. (1) where I represents the surface tension index (N/m) of the toner, Pα represents a capillary pressure (N/m2) of the toner for the 45-vol % aqueous solution of methanol, A represents a specific surface area (m2/g) of the toner, and B represents a true density (g/cm3) of the toner.

摘要翻译： 提供一种调色剂，其包括：各自至少含有粘合剂树脂和蜡的调色剂颗粒; 和外部添加剂，其中调色剂颗粒的表面具有1.0nm以上且30.0nm以下的扫描型显微镜测定的平均表面粗糙度（Ra） 并且调色剂具有通过毛细管抽吸时间法测量的45体积％甲醇水溶液的表面张力指数I，并由下式（1）计算为5.0×10 -3 N / m以上且1.0×10 -1 N / m以下：<？in-line-formula description =“In-line Formulas”end =“lead”？> I = Palpha /（AxBx106） （1）<？in-line-formula description =“In-line Formulas”end =“tail”？>其中I表示调色剂的表面张力指数（N / m），Palpha表示毛细管压力（N / m2 ）为45体积％的甲醇水溶液的调色剂，A表示调色剂的比表面积（m2 / g），B表示调色剂的真密度（g / cm 3）。

公开(公告)号：US20140113228A1

公开(公告)日：2014-04-24

申请号：US14124985

申请日：2012-05-30

申请人： Yoshiaki Shiotari ,  Kosuke Fukudome ,  Nozomu Komatsu ,  Kunihiko Nakamura ,  Kentaro Kamae ,  Hiroyuki Fujikawa ,  Koh Ishigami ,  Takayuki Itakura

发明人： Yoshiaki Shiotari ,  Kosuke Fukudome ,  Nozomu Komatsu ,  Kunihiko Nakamura ,  Kentaro Kamae ,  Hiroyuki Fujikawa ,  Koh Ishigami ,  Takayuki Itakura

IPC分类号： G03G9/08 ,  G03G13/095

CPC分类号： G03G9/0819 ,  G03G9/0804 ,  G03G9/0806 ,  G03G9/0808 ,  G03G9/081 ,  G03G9/0815 ,  G03G9/0817 ,  G03G9/0821 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/09708 ,  G03G13/095

摘要： A toner has a weight-average particle diameter (D4) of 3.0 μm or more and 8.0 μm or less, wherein the average circularity analyzed by dividing particles of the toner having an equivalent circle diameter of 1.98 μm or more and less than 200.00 μm into 800 in a range of a circularity of 0.200 or more and 1.000 or less is 0.960 or more and 0.985 or less, the proportion of particles A having a circularity of 0.990 or more and 1.000 or less is 25.0% or less on a basis of the number of particles, and the ratio of particles B having an equivalent circle diameter of 0.50 μm or more and less than 1.98 μm to the total particles having an equivalent circle diameter of 0.50 μm or more and less than 200.00 μm is 10.0% or less on a basis of the number of particles.

摘要翻译： 调色剂的重均粒径（D4）为3.0μm以上至8.0μm以下，其中通过将当量圆直径为1.98μm以上且小于200.00μm的调色剂的颗粒分割成平均圆形度，形成 800的圆形度为0.200以上且1.000以下，为0.960以上且0.985以下，圆形度为0.990以上且1.000以下的粒子A的比例为25.0％以下，基于 粒子数，当量圆直径为0.50μm以上且小于1.98μm的粒子B与当量圆直径为0.50μm以上且小于200.00μm的总粒子的比率为10.0％以下，相对于 颗粒数的基础。

公开(公告)号：US20110136060A1

公开(公告)日：2011-06-09

申请号：US12940164

申请日：2010-11-05

申请人： Hiroyuki Fujikawa ,  Kunihiko Nakamura ,  Nozomu Komatsu ,  Yoshiaki Shiotari ,  Takeshi Ohtsu ,  Takayuki Itakura

发明人： Hiroyuki Fujikawa ,  Kunihiko Nakamura ,  Nozomu Komatsu ,  Yoshiaki Shiotari ,  Takeshi Ohtsu ,  Takayuki Itakura

IPC分类号： G03G9/08

CPC分类号： G03G9/08782 ,  G03G9/0815 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/107

摘要： Provided is a toner including: toner particles each containing at least a binder resin and a wax; and an external additive, in which surfaces of the toner particles have an average surface roughness (Ra) measured with a scanning probe microscope of 1.0 nm or more and 30.0 nm or less; and the toner has a surface tension index I for a 45-vol % aqueous solution of methanol measured by a capillary suction time method and calculated from the following equation (1) of 5.0×10−3 N/m or more and 1.0×10−1 N/m or less: I=Pα/(A×B×106)  Eq. (1) where I represents the surface tension index (N/m) of the toner, Pα represents a capillary pressure (N/m2) of the toner for the 45-vol % aqueous solution of methanol, A represents a specific surface area (m2/g) of the toner, and B represents a true density (g/cm3) of the toner.

摘要翻译： 提供一种调色剂，其包括：各自至少含有粘合剂树脂和蜡的调色剂颗粒; 和外部添加剂，其中调色剂颗粒的表面具有1.0nm以上且30.0nm以下的扫描型显微镜测定的平均表面粗糙度（Ra） 并且通过毛细管抽吸时间法测定的45体积％甲醇水溶液的调色剂具有表面张力指数I，并且由下式（1）计算为5.0×10 -3 N / m以上且1.0×10 -1 N / m以下：I =Pα/（A×B×106） （1）其中I表示调色剂的表面张力指数（N / m），Pα表示45体积％甲醇水溶液的调色剂的毛细管压力（N / m 2），A表示比表面积 m2 / g），B表示调色剂的真密度（g / cm 3）。

公开(公告)号：US07939233B2

公开(公告)日：2011-05-10

申请号：US12691033

申请日：2010-01-21

申请人： Chika Inoue ,  Hiroyuki Fujikawa ,  Koh Ishigami ,  Kunihiko Nakamura ,  Nozomu Komatsu ,  Tomoko Endo ,  Yoshinobu Baba ,  Takayuki Itakura

发明人： Chika Inoue ,  Hiroyuki Fujikawa ,  Koh Ishigami ,  Kunihiko Nakamura ,  Nozomu Komatsu ,  Tomoko Endo ,  Yoshinobu Baba ,  Takayuki Itakura

IPC分类号： G03G9/00

CPC分类号： G03G9/1075 ,  G03G9/0821 ,  G03G9/0827 ,  G03G9/107 ,  G03G9/113 ,  G03G9/1131 ,  G03G9/1132

摘要： A magnetic carrier and a two-component developer are provided which have remedied blank areas, fog after leaving, carrier sticking during running, and image density variations before and after running. The magnetic carrier has magnetic carrier particles having at least porous magnetic core particles and a resin. The magnetic carrier particles satisfying the specific conditions (a), (b) and (c) where, in a reflected electron image of cross sections of the magnetic carrier particles as photographed with a scanning electron microscope, straight lines that divide a cross section of a magnetic carrier particle into 72 at intervals of 5° are drawn from a reference point of the cross section thereof toward the surface of the magnetic carrier particle; the magnetic carrier particles being contained in an amount of 60% by number or more.

摘要翻译： 提供了一种磁性载体和双组分显影剂，其具有空白区域，离开后的雾，运行期间的载体粘附和运行前后的图像密度变化。 磁性载体具有至少具有多孔磁性核颗粒和树脂的磁性载体颗粒。 满足特定条件（a），（b）和（c）的磁性载体颗粒，其中在用扫描电子显微镜拍摄的磁性载体颗粒的横截面的反射电子图像中，分割横截面的直线 以5°的间隔将磁性载体颗粒从其横截面的参考点拉向磁性载体颗粒的表面; 磁性载体颗粒的含量为60％以上。

公开(公告)号：US20100136473A1

公开(公告)日：2010-06-03

申请号：US12691040

申请日：2010-01-21

申请人： Koh Ishigami ,  Hiroyuki Fujikawa ,  Kunihiko Nakamura ,  Nozomu Komatsu ,  Chika Inoue ,  Tomoko Endo ,  Yoshinobu Baba ,  Takayuki Itakura

发明人： Koh Ishigami ,  Hiroyuki Fujikawa ,  Kunihiko Nakamura ,  Nozomu Komatsu ,  Chika Inoue ,  Tomoko Endo ,  Yoshinobu Baba ,  Takayuki Itakura

IPC分类号： G03G9/083

CPC分类号： G03G9/107 ,  G03G9/1075 ,  G03G9/1131 ,  G03G9/1136 ,  G03G9/1139

摘要： A magnetic carrier which has magnetic carrier particles each having at least porous magnetic core particles and a resin, in which, in a backscattered electron image of the magnetic carrier particles, photographed with a scanning electron microscope as taken at an accelerating voltage of 2.0 kV, magnetic carrier particles having area proportion S1 found from a specific expression (1) of from 0.5 area % or more to 8.0 area % or less are in a proportion of 80% by number or more in the magnetic carrier, an average proportion Av1 of the total area of portions having a high luminance which come from a metal oxide on the magnetic carrier particles to the total projected area of the magnetic carrier particles is from 0.5 area % or more to 8.0 area % or less, and an average proportion Av2 found from a specific expression (2) is 10.0 area % or less.

摘要翻译： 具有至少具有多孔磁性核颗粒和树脂的磁性载体颗粒的磁性载体，其中在以2.0kV的加速电压下拍摄的用磁性载体颗粒的背散射电子图像拍摄的扫描电子显微镜， 从磁性载体的0.5面积％以上至8.0面积％以下的特定表达式（1）得到的面积比例S1的磁性载体颗粒的比例为80％以上，平均比例Av1为 来自磁性载体颗粒上的金属氧化物的具有高亮度的部分的总面积相对于磁性载体颗粒的总投影面积为0.5面积％以上至8.0面积％以下，平均比例Av2为 具体表达式（2）为10.0面积％以下。

公开(公告)号：US20100028796A1

公开(公告)日：2010-02-04

申请号：US12534947

申请日：2009-08-04

申请人： Kunihiko Nakamura ,  Hiroyuki Fujikawa ,  Koh Ishigami ,  Nozomu Komatsu ,  Chika Inoue ,  Tomoko Endo ,  Yoshinobu Baba ,  Takayuki Itakura

发明人： Kunihiko Nakamura ,  Hiroyuki Fujikawa ,  Koh Ishigami ,  Nozomu Komatsu ,  Chika Inoue ,  Tomoko Endo ,  Yoshinobu Baba ,  Takayuki Itakura

IPC分类号： G03G9/08 ,  G03G9/107 ,  G03G9/113

CPC分类号： G03G9/1075 ,  G03G9/1136

摘要： A magnetic carrier and two-component developer are provided alleviating coarse images, fogging when printing is done after a copier body is left standing for one week in a high temperature and high humidity environment and carrier adhesion after extensive operation in a low image ratio. The magnetic carrier includes magnetic carrier particles including porous magnetic core particles and a resin, wherein in a mercury intrusion method applied to the porous magnetic core particles, a pore diameter in which a differential pore volume in the specific pore diameter range becomes maximum is in a specific range, and when the maximum value of a differential pore volume in the specific pore diameter range is defined as P1 and the maximum value of a differential pore volume in the specific pore diameter range is defined as P2, P1 is in a specific range and the ratio P2/P1 is in a specific range.

摘要翻译： 提供磁性载体和双组分显影剂，以在低图像比例下广泛操作之后，在复印机体在高温和高湿度环境中静置一周后进行印刷时，产生雾化。 磁性载体包括包括多孔磁性核颗粒和树脂的磁性载体颗粒，其中在施加到多孔磁性核颗粒的水银侵入方法中，特定孔径范围内的微孔容积最大的孔径在 特定范围，并且当将特定孔径范围的不同孔体积的最大值定义为P1，将特定孔径范围的微孔容积的最大值定义为P2时，P1处于特定范围，并且 比例P2 / P1处于特定范围内。

公开(公告)号：US08986914B2

公开(公告)日：2015-03-24

申请号：US13822613

申请日：2011-09-15

申请人： Hiroyuki Fujikawa ,  Kunihiko Nakamura ,  Nozomu Komatsu ,  Yoshiaki Shiotari ,  Koh Ishigami ,  Kentaro Kamae ,  Takayuki Itakura

发明人： Hiroyuki Fujikawa ,  Kunihiko Nakamura ,  Nozomu Komatsu ,  Yoshiaki Shiotari ,  Koh Ishigami ,  Kentaro Kamae ,  Takayuki Itakura

IPC分类号： G03G9/08 ,  G03G9/087

CPC分类号： G03G9/08755 ,  G03G9/081 ,  G03G9/0821 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797

摘要： An object of the present invention is to improve resistance to wraparound during fixing while achieving both low-temperature fixability and resistance to hot offset. A further object is to suppress image density variations and fogging in white background regions during use at high print coverage rate at high temperature and high humidity. A toner containing inorganic fine particles and toner particles containing a binder resin and a wax being provided, the toner being characterized in that the binder resin contains a polyester resin A obtained by condensation polymerization of a polyvalent carboxylic acid and an alcohol component mainly containing an aromatic diol and a polyester resin B obtained by condensation polymerization of a polyvalent carboxylic acid and an alcohol component mainly containing an aliphatic diol, and in that the degree of segregation of the wax in the toner depth direction from the toner surface toward the toner center is controlled.

摘要翻译： 本发明的目的在于提高耐固化性能，同时实现低温定影性和耐热偏移性。 另一个目的是在高温和高湿度的高打印覆盖率的使用期间抑制白色背景区域中的图像浓度变化和起雾。 含有无机细颗粒的调色剂和含有粘合剂树脂和蜡的调色剂颗粒，调色剂的特征在于粘合剂树脂含有通过多元羧酸和主要含有芳香族的醇组分的缩聚获得的聚酯树脂A 二醇和通过多元羧酸和主要含有脂肪族二醇的醇成分的缩聚获得的聚酯树脂B，并且控制蜡在调色剂深度方向上从调色剂表面向调色剂中心偏析的程度被控制 。