公开(公告)号：US07457572B2

公开(公告)日：2008-11-25

申请号：US11472300

申请日：2006-06-22

申请人： Tsutomu Onuma ,  Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Koji Nishikawa ,  Tomohisa Sano ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya

发明人： Tsutomu Onuma ,  Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Koji Nishikawa ,  Tomohisa Sano ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya

IPC分类号： G03G15/08

CPC分类号： G03G15/0812 ,  G03G2215/0607

摘要： An image forming method and related process cartridge, the method having the steps of controlling the layer thickness of a toner on a toner bearing member by means of a toner regulating blade, and developing with the toner an electrostatic latent image formed on an electrostatic latent image bearing member, the toner regulating blade has, at its part to be kept in touch with the toner bearing member, a specific ten-point average roughness Rz and a specific ratio (area of contact portion/area of non-contact portion) at a specific face pressure, and the toner has a specific average circularity and has a specific aerated bulk density. This image forming method and process cartridge promise superior developing performance in any environment, can keep sleeve negative ghost from occurring and can keep toner melt adhesion to toner regulating blade and toner melt adhesion to toner bearing member from occurring.

摘要翻译： 一种图像形成方法和相关处理盒，该方法具有以下步骤：通过调色剂调节刮板控制调色剂承载部件上的调色剂的层厚度，并且利用调色剂显影形成在静电潜像上的静电潜像 调色剂调节叶片在其部分与调色剂承载部件保持接触，具体的十点平均粗糙度Rz和特定比例（接触部分的面积/非接触部分的面积）在 特定的面压，并且调色剂具有特定的平均圆形度并且具有特定的充气体积密度。 这种图像形成方法和处理盒在任何环境中都具有优异的显影性能，可以保持套筒阴影不发生，并且可以保持调色剂熔融粘附到调色剂调节片和调色剂与调色剂承载部件的熔融粘合。

公开(公告)号：US20070059049A1

公开(公告)日：2007-03-15

申请号：US11472300

申请日：2006-06-22

申请人： Tsutomu Onuma ,  Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Koji Nishikawa ,  Tomohisa Sano ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya

发明人： Tsutomu Onuma ,  Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Koji Nishikawa ,  Tomohisa Sano ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya

IPC分类号： G03G15/08

CPC分类号： G03G15/0812 ,  G03G2215/0607

摘要： An image forming method having the steps of controlling the layer thickness of a toner on a toner bearing member by means of a toner regulating blade, and developing with the toner an electrostatic latent image formed on an electrostatic latent image bearing member, the toner regulating blade has, at its part to be kept in touch with the toner bearing member, a specific ten-point average roughness Rz and a specific ratio (area of contact portion/area of non-contact portion) at a specific face pressure, and the toner has a specific average circularity and has a specific aerated bulk density. This image forming method promises superior developing performance in any environment, can keep sleeve negative ghost from occurring and can keep toner melt adhesion to toner regulating blade and toner melt adhesion to toner bearing member from occurring.

摘要翻译： 一种图像形成方法，具有以下步骤：通过调色剂调节刮板控制调色剂承载部件上的调色剂的层厚度，并且利用调色剂显影形成在静电潜像承载部件上的静电潜像，调色剂调节片 其特征在于与调色剂承载部件保持接触，特定的十点平均粗糙度Rz和特定比例（接触部分/非接触部分的面积）在特定的面压下，并且调色剂 具有特定的平均圆形度并具有特定的充气体积密度。 这种图像形成方法在任何环境中具有优异的显影性能，可以保持套筒阴影不发生，并且可以保持调色剂熔融粘附到调色剂调节片和调色剂熔融粘附到调色剂轴承部件上。

公开(公告)号：US20060240352A1

公开(公告)日：2006-10-26

申请号：US11407257

申请日：2006-04-20

申请人： Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Tomohisa Sano ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya ,  Koji Nishikawa

发明人： Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Tomohisa Sano ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya ,  Koji Nishikawa

IPC分类号： G03G9/087

CPC分类号： G03G9/08733 ,  G03G9/0806 ,  G03G9/08728 ,  G03G9/08755 ,  G03G9/08786 ,  G03G9/08791 ,  G03G9/08795 ,  G03G9/08797

摘要： The invention is to provide a toner excellent in fixing property, high-temperature offset resistance and blocking resistance, and having an excellent developing property. The invention provides a toner including at least a binder resin and a colorant, wherein: the binder resin contains a hybrid resin which contains a polyester-type resin unit by 50 mass % or more and in which a polyester-type resin component and a vinyl-type resin component are chemically bonded; the toner contains 3 to 50 mass % of a tetrahydrofuran-insoluble matter derived from the binder resin; the tetrahydrofuran-insoluble matter contains a hybrid resin; and a tetrahydrofuran-soluble matter, obtained by hydrolyzing the tetrahydrofuran-insoluble matter and separating by filtration, has, in a GPC-measured molecular weight distribution, a main peak within a molecular weight range of 50,000 to 500,000.

摘要翻译： 本发明提供一种调色性，耐高温抵抗性，耐粘连性优异，显影性优异的调色剂。 本发明提供了至少包含粘合剂树脂和着色剂的调色剂，其中：所述粘合剂树脂含有含有50质量％以上的聚酯类树脂单元的混合树脂，其中，聚酯类树脂成分和乙烯基 化学键合; 调色剂含有3〜50质量％的来自粘合剂树脂的四氢呋喃不溶物质; 四氢呋喃不溶物含有杂化树脂; 通过水解四氢呋喃不溶物并通过过滤分离得到的四氢呋喃可溶物质在GPC测定的分子量分布中具有在50,000〜500,000的分子量范围内的主峰。

公开(公告)号：US07582401B2

公开(公告)日：2009-09-01

申请号：US11407257

申请日：2006-04-20

申请人： Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Tomohisa Sano ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya ,  Koji Nishikawa

发明人： Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Tomohisa Sano ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya ,  Koji Nishikawa

IPC分类号： G03G9/087

CPC分类号： G03G9/08733 ,  G03G9/0806 ,  G03G9/08728 ,  G03G9/08755 ,  G03G9/08786 ,  G03G9/08791 ,  G03G9/08795 ,  G03G9/08797

摘要： The invention is to provide a toner excellent in fixing property, high-temperature offset resistance and blocking resistance, and having an excellent developing property. The invention provides a toner including at least a binder resin and a colorant, wherein: the binder resin contains a hybrid resin which contains a polyester-type resin unit by 50 mass % or more and in which a polyester-type resin component and a vinyl-type resin component are chemically bonded; the toner contains 3 to 50 mass % of a tetrahydrofuran-insoluble matter derived from the binder resin; the tetrahydrofuran-insoluble matter contains a hybrid resin; and a tetrahydrofuran-soluble matter, obtained by hydrolyzing the tetrahydrofuran-insoluble matter and separating by filtration, has, in a GPC-measured molecular weight distribution, a main peak within a molecular weight range of 50,000 to 500,000.

摘要翻译： 本发明提供一种调色性，耐高温抵抗性，耐粘连性优异，显影性优异的调色剂。 本发明提供了至少包含粘合剂树脂和着色剂的调色剂，其中：所述粘合剂树脂含有含有50质量％以上的聚酯类树脂单元的混合树脂，其中，聚酯类树脂成分和乙烯基 化学键合; 调色剂含有3〜50质量％的来自粘合剂树脂的四氢呋喃不溶物质; 四氢呋喃不溶物含有杂化树脂; 通过水解四氢呋喃不溶物并通过过滤分离得到的四氢呋喃可溶物质在GPC测定的分子量分布中具有在50,000〜500,000的分子量范围内的主峰。

公开(公告)号：US20060263710A1

公开(公告)日：2006-11-23

申请号：US11416143

申请日：2006-05-03

申请人： Yusuke Hasegawa ,  Yoshihiro Ogawa ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya ,  Tomohisa Sano

发明人： Yusuke Hasegawa ,  Yoshihiro Ogawa ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya ,  Tomohisa Sano

IPC分类号： G03G9/083

CPC分类号： G03G9/0836 ,  G03G9/0819 ,  G03G9/0833 ,  G03G9/0834 ,  G03G9/0835 ,  G03G9/0838 ,  G03G9/0839

摘要： A magnetic toner including at least: a binder resin; and a magnetic body, in which, when magnetization at a magnetic field strength of 397.9 kA/m and a coercive force of the magnetic toner are denoted by σs (Am2/kg) and Hc (kA/m), respectively, a magnetic field strength at which the magnetic toner shows a magnetization value equal to 95% of σs is denoted by H95% (kA/m), and a number average particle size of the magnetic body is denoted by d (μm), H95%, Hc, and d satisfy the following expressions. 151

摘要翻译： 至少包括粘合剂树脂的磁性调色剂; 以及磁体，其中当磁场强度为397.9kA / m和磁性调色剂的矫顽力的磁化用Sigmas（Am 2 / kg / kg）表示，Hc（kA / m），磁性调色剂显示等于信标的95％的磁化强度的磁场强度由H95％（kA / m）表示，磁体的数均粒径由d（ 妈妈），H95％，Hc和d满足下列表达式。 <？in-line-formula description =“In-line Formulas”end =“lead”？> 151 <？in-line-formula description =”In-line Formulas“end =”lead“？> 7.1 <？in-line-formula description =“In-line Formulas”end =“lead”？> 40

公开(公告)号：US07678524B2

公开(公告)日：2010-03-16

申请号：US11416143

申请日：2006-05-03

申请人： Yusuke Hasegawa ,  Yoshihiro Ogawa ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya ,  Tomohisa Sano

发明人： Yusuke Hasegawa ,  Yoshihiro Ogawa ,  Junko Nishiyama ,  Miho Okazaki ,  Takashige Kasuya ,  Tomohisa Sano

IPC分类号： G03G9/083

CPC分类号： G03G9/0836 ,  G03G9/0819 ,  G03G9/0833 ,  G03G9/0834 ,  G03G9/0835 ,  G03G9/0838 ,  G03G9/0839

摘要： A magnetic toner including at least: a binder resin; and a magnetic body, in which, when magnetization at a magnetic field strength of 397.9 kA/m and a coercive force of the magnetic toner are denoted by σs (Am2/kg) and Hc (kA/m), respectively, a magnetic field strength at which the magnetic toner shows a magnetization value equal to 95% of σs is denoted by H95% (kA/m), and a number average particle size of the magnetic body is denoted by d (μm), H95%, Hc, and d satisfy the following expressions. 151

摘要翻译： 至少包括粘合剂树脂的磁性调色剂; 和磁体，其中当磁场强度为397.9kA / m和磁性调色剂的矫顽力的磁化分别用＆sgr（s）（Am2 / kg）和Hc（kA / m）表示时，a 磁性调色剂显示等于95％的磁化强度的磁场强度由H95％（kA / m）表示，磁体的数均粒径由d（μm）表示，H95 ％，Hc和d满足下列表达式。 151

公开(公告)号：US20090186288A1

公开(公告)日：2009-07-23

申请号：US12298755

申请日：2007-04-25

申请人： Junko Hirata ,  Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Kouji Nishikawa ,  Miho Okazaki ,  Takashige Kasuya

发明人： Junko Hirata ,  Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Kouji Nishikawa ,  Miho Okazaki ,  Takashige Kasuya

IPC分类号： G03G9/083

CPC分类号： G03G9/0833 ,  G03G9/0834 ,  G03G9/0835 ,  G03G9/0836 ,  G03G9/08755

摘要： The object of the present invention is to provide a magnetic toner enabling an image with high image density and excellent image reproducibility to be obtained, which is excellent in fluidity, charging stability, and charging uniformity, even for long-term use, and also enabling an image whose fogging, ghost, and scattering are suppressed to be obtained. The magnetic toner has at least a binder resin and a magnetic material, where, the magnetic material is an magnetic iron oxide whose dielectric breakdown voltage of the magnetic material is 160 to 1600 V/cm, and the dielectric loss tangent (tan δ) of the magnetic toner at 100 kHz and 40° C. is 2.0×10−3 to 1.0×10−2.

摘要翻译： 本发明的目的是提供一种能够获得具有高图像密度和优异的图像再现性的图像的磁性调色剂，即使长期使用也具有优异的流动性，充电稳定性和充电均匀性，并且还使得 抑制雾化，重影和散射的图像。 磁性调色剂至少具有粘合剂树脂和磁性材料，其中磁性材料是磁性材料的介电击穿电压为160至1600V / cm的磁性氧化铁，介电损耗角正切（tanδ）为 在100kHz和40℃下的磁性调色剂为2.0×10 -3至1.0×10 -2。

公开(公告)号：US08124306B2

公开(公告)日：2012-02-28

申请号：US12298755

申请日：2007-04-25

申请人： Junko Hirata ,  Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Kouji Nishikawa ,  Miho Okazaki ,  Takashige Kasuya

发明人： Junko Hirata ,  Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Kouji Nishikawa ,  Miho Okazaki ,  Takashige Kasuya

IPC分类号： G03G9/083

CPC分类号： G03G9/0833 ,  G03G9/0834 ,  G03G9/0835 ,  G03G9/0836 ,  G03G9/08755

摘要： The object of the present invention is to provide a magnetic toner enabling an image with high image density and excellent image reproducibility to be obtained, which is excellent in fluidity, charging stability, and charging uniformity, even for long-term use, and also enabling an image whose fogging, ghost, and scattering are suppressed to be obtained. The magnetic toner has at least a binder resin and a magnetic material, where, the magnetic material is an magnetic iron oxide whose dielectric breakdown voltage of the magnetic material is 160 to 1600 V/cm, and the dielectric loss tangent (tan δ) of the magnetic toner at 100 kHz and 40° C. is 2.0×10−3 to 1.0×10−2.

摘要翻译： 本发明的目的是提供一种能够获得具有高图像密度和优异的图像再现性的图像的磁性调色剂，即使长期使用也具有优异的流动性，充电稳定性和充电均匀性，并且还使得 抑制雾化，重影和散射的图像。 磁性调色剂至少具有粘合剂树脂和磁性材料，其中磁性材料是磁性材料的介电击穿电压为160至1600V / cm的磁性氧化铁，介电损耗角正切（tanδ）为 在100kHz和40℃下的磁性调色剂为2.0×10-3〜1.0×10-2。

公开(公告)号：US07704659B2

公开(公告)日：2010-04-27

申请号：US12420336

申请日：2009-04-08

申请人： Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Kouji Nishikawa ,  Miho Okazaki ,  Takashige Kasuya

发明人： Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Kouji Nishikawa ,  Miho Okazaki ,  Takashige Kasuya

IPC分类号： G03G9/08

CPC分类号： G03G9/08782 ,  G03G9/0812

摘要： To provide a toner which has superior low-temperature fixing performance, high-temperature anti-offsetting properties and developing performance and may cause neither melt sticking of toner to photosensitive member nor turn-up of cleaning blade. The toner contains at least a binder resin, a colorant and a wax, and the wax is characterized by i) being an oxidized hydrocarbon wax, ii) having a hydroxyl value of from 5 mgKOH/g or more to 150 mgKOH/g or less, and iii) having, in molecular weight distribution measured by gel permeation chromatography of tetrahydrofuran-soluble matter, a main peak within the range of molecular weight of from 200 or more to 600 or less, and a component with a molecular weight of 700 or more in a content of 3% by mass or less.

摘要翻译： 为了提供具有优异的低温定影性能，高温抗粘着性和显影性能的调色剂，并且不会使调色剂熔融粘附到感光构件上，也不会导致清洁刮片的翻转。 调色剂至少含有粘合剂树脂，着色剂和蜡，并且蜡的特征在于i）是氧化烃蜡，ii）羟值为5mgKOH / g以上至150mgKOH / g以下 ，和iii）在分子量为200以上且600以下的主峰和分子量为700以下的成分中，具有通过四氢呋喃可溶物质的凝胶渗透色谱法测定的分子量分布， 更多的是3质量％以下的含量。

公开(公告)号：US20090197193A1

公开(公告)日：2009-08-06

申请号：US12420336

申请日：2009-04-08

申请人： Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Kouji Nishikawa ,  Miho Okazaki ,  Takashige Kasuya

发明人： Yoshihiro Ogawa ,  Yusuke Hasegawa ,  Kouji Nishikawa ,  Miho Okazaki ,  Takashige Kasuya

IPC分类号： G03G9/08

CPC分类号： G03G9/08782 ,  G03G9/0812

摘要： To provide a toner which has superior low-temperature fixing performance, high-temperature anti-offsetting properties and developing performance and may cause neither melt sticking of toner to photosensitive member nor turn-up of cleaning blade. The toner contains at least a binder resin, a colorant and a wax, and the wax is characterized by i) being an oxidized hydrocarbon wax, ii) having a hydroxyl value of from 5 mgKOH/g or more to 150 mgKOH/g or less, and iii) having, in molecular weight distribution measured by gel permeation chromatography of tetrahydrofuran-soluble matter, a main peak within the range of molecular weight of from 200 or more to 600 or less, and a component with a molecular weight of 700 or more in a content of 3% by mass or less.

摘要翻译： 为了提供具有优异的低温定影性能，高温抗粘着性和显影性能的调色剂，并且不会使调色剂熔融粘附到感光构件上，也不会导致清洁刮片的翻转。 调色剂至少含有粘合剂树脂，着色剂和蜡，并且蜡的特征在于i）是氧化烃蜡，ii）羟值为5mgKOH / g以上至150mgKOH / g以下 ，和iii）在分子量为200以上且600以下的主峰和分子量为700以下的成分中，具有通过四氢呋喃可溶物质的凝胶渗透色谱法测定的分子量分布， 更多的是3质量％以下的含量。