公开(公告)号：US20090047592A1

公开(公告)日：2009-02-19

申请号：US11841078

申请日：2007-08-20

申请人： Naoki Okamoto ,  Tetsuya Ida ,  Koh Ishigami ,  Kazuo Terauchi ,  Yojiro Hotta ,  Noriyoshi Umeda ,  Yoshinobu Baba ,  Takayuki Itakura

发明人： Naoki Okamoto ,  Tetsuya Ida ,  Koh Ishigami ,  Kazuo Terauchi ,  Yojiro Hotta ,  Noriyoshi Umeda ,  Yoshinobu Baba ,  Takayuki Itakura

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

CPC分类号： G03G9/08795 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08793 ,  G03G9/08797

摘要： An object of the present invention is to provide a toner which: is excellent in fixing ability such as low-temperature fixability, hot offset property, and separability even in a fixing system excellent in quick start property and energy saving property; has high gloss; and is excellent in development stability and transferability irrespective of environments. The toner of the present invention includes toner particles each containing at least a binder resin and a colorant, in which, in a case where a tetrahydrofuran (THF) insoluble matter of the binder resin in the toner when the toner is subjected to Soxhlet extraction with THF for 2 hours is represented by A (mass %), a THF insoluble matter of the binder resin in the toner when the toner is subjected to Soxhlet extraction with THF for 4 hours is represented by B (mass %), a THF insoluble matter of the binder resin in the toner when the toner is subjected to Soxhlet extraction with THF for 8 hours is represented by C (mass %), and a THF insoluble matter of the binder resin in the toner when the toner is subjected to Soxhlet extraction with THF for 16 hours is represented by D (mass %), A, B, C, and D satisfy the following expression: (A−B)/2>(B−C)/4>(C−D)/8 where 40

摘要翻译： 本发明的目的是提供即使在快速起动性和节能性优异的定影系统中也具有低温定影性，热偏移性和分离性等定影性优异的调色剂; 具有高光泽度 并且不论环境如何，都具有良好的显影稳定性和转印性。 本发明的调色剂包括各自至少含有粘合剂树脂和着色剂的调色剂颗粒，其中当将调色剂中的调色剂中的粘合剂树脂的四氢呋喃（THF）不溶物质进行索格利特萃取时， 2小时的THF表示为A（质量％），当调色剂用THF进行索格利特萃取4小时时，调色剂中粘合剂树脂的THF不溶物质为B（质量％），THF不溶物 当调色剂用THF进行索格利特萃取8小时时，调色剂中的粘合剂树脂的调色剂以C（质量％）表示，调色剂中的粘合剂树脂的THF不溶性物质在调色剂中进行索格利特萃取时， THF为16小时由D（质量％）表示，A，B，C和D满足下列表达式：（AB）/ 2>（BC）/ 4>（CD）/ 8其中40

公开(公告)号：US07611813B2

公开(公告)日：2009-11-03

申请号：US11668554

申请日：2007-01-30

申请人： Tetsuya Ida ,  Takeshi Ootsu ,  Koh Ishigami ,  Naoki Okamoto ,  Nozomu Komatsu ,  Noriyoshi Umeda ,  Yoshinobu Baba ,  Takayuki Itakura ,  Takeshi Naka ,  Hirohide Tanikawa

发明人： Tetsuya Ida ,  Takeshi Ootsu ,  Koh Ishigami ,  Naoki Okamoto ,  Nozomu Komatsu ,  Noriyoshi Umeda ,  Yoshinobu Baba ,  Takayuki Itakura ,  Takeshi Naka ,  Hirohide Tanikawa

IPC分类号： G03G9/00

CPC分类号： G03G9/0821 ,  G03G9/081 ,  G03G9/0815 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09708 ,  G03G9/09716 ,  G03G13/20

摘要： Provided a toner including at least: toner particles each containing at least a binder resin, a release agent, and a colorant; and an inorganic fine powder, in which: a degree of aggregation Y1 at a time of compression (200 kpa) of the toner satisfies a relationship of 15≦Y1≦35, and a degree of aggregation Y2 at a time of non-compression of the toner satisfies a relationship of 7≦Y2≦15; and a highest endothermic peak of the toner is present in a temperature range of 30 to 200° C. in an endothermic curve measured with a differential scanning calorimeter (DSC), and a peak temperature Tsc (° C.) of the highest endothermic peak satisfies a relationship of 60≦Tsc≦130.

摘要翻译： 提供一种至少包含调色剂颗粒的调色剂颗粒，其至少包含粘合剂树脂，脱模剂和着色剂; 和无机细粉末，其中：调色剂压缩时的聚集度Y1（200kpa）满足15 <= Y1 <= 35的关系，和非调色剂时的聚集度Y2， 调色剂的压缩满足7 <= Y2 <= 15的关系; 并且在用差示扫描量热计（DSC）测量的吸热曲线中，调色剂的最高吸热峰存在于30至200℃的温度范围内，并且最高吸热峰的峰温度Tsc（℃） 满足60 <= Tsc <= 130的关系。

公开(公告)号：US20070122727A1

公开(公告)日：2007-05-31

申请号：US11668554

申请日：2007-01-30

申请人： Tetsuya Ida ,  Takeshi Ootsu ,  Koh Ishigami ,  Naoki Okamoto ,  Nozomu Komatsu ,  Noriyoshi Umeda ,  Yoshinobu Baba ,  Takayuki Itakura ,  Takeshi Naka ,  Hirohide Tanikawa

发明人： Tetsuya Ida ,  Takeshi Ootsu ,  Koh Ishigami ,  Naoki Okamoto ,  Nozomu Komatsu ,  Noriyoshi Umeda ,  Yoshinobu Baba ,  Takayuki Itakura ,  Takeshi Naka ,  Hirohide Tanikawa

IPC分类号： G03G9/08

CPC分类号： G03G9/0821 ,  G03G9/081 ,  G03G9/0815 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08711 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09708 ,  G03G9/09716 ,  G03G13/20

摘要： Provided a toner including at least: toner particles each containing at least a binder resin, a release agent, and a colorant; and an inorganic fine powder, in which: a degree of aggregation Y1 at a time of compression (200 kpa) of the toner satisfies a relationship of 15≦Y1≦35, and a degree of aggregation Y2 at a time of non-compression of the toner satisfies a relationship of 7≦Y2≦15; and a highest endothermic peak of the toner is present in a temperature range of 30 to 200° C. in an endothermic curve measured with a differential scanning calorimeter (DSC), and a peak temperature Tsc (° C.) of the highest endothermic peak satisfies a relationship of 60≦Tsc≦130.

摘要翻译： 提供一种至少包含调色剂颗粒的调色剂颗粒，其至少包含粘合剂树脂，脱模剂和着色剂; 和无机细粉末，其中：调色剂压缩时的聚集度Y 1（200kpa）满足15 <= Y 1≤35的关系，并且一次的聚集度Y 2 的调色剂的非压缩满足7 <= Y 2 <= 15的关系; 并且在用差示扫描量热计（DSC）测量的吸热曲线中，调色剂的最高吸热峰存在于30至200℃的温度范围内，并且最高吸热峰的峰温度Tsc（℃） 满足60 <= Tsc <= 130的关系。

公开(公告)号：US08142972B2

公开(公告)日：2012-03-27

申请号：US12090270

申请日：2006-12-05

申请人： Yojiro Hotta ,  Kazuo Terauchi ,  Kunihiko Nakamura ,  Hiroyuki Fujikawa ,  Yoshinobu Baba ,  Takayuki Itakura ,  Hirohide Tanikawa

发明人： Yojiro Hotta ,  Kazuo Terauchi ,  Kunihiko Nakamura ,  Hiroyuki Fujikawa ,  Yoshinobu Baba ,  Takayuki Itakura ,  Hirohide Tanikawa

IPC分类号： G03G5/00

CPC分类号： G03G9/107 ,  G03G9/10 ,  G03G9/1131 ,  G03G9/1132

摘要： Provided is a developer for replenishment capable of forming a high-quality image even upon duration. The developer for replenishment includes at least a toner and a magnetic carrier, and in the developer for replenishment, 1 part by mass of the magnetic carrier is blended with 2 to 50 parts by mass of the toner, and the magnetic carrier contains a ferrite core and a resin component, has a true specific gravity of 2.5 to 4.2 g/cm3, has a 50% particle diameter on a volume basis (D50) of 15 to 70 μm, and has an average circularity of 0.850 to 0.950, the average circularity having a coefficient of variation of 1.0 to 10.0%.

摘要翻译： 提供了一种补充的开发者，其能够在持续时间时形成高质量的图像。 用于补充的显影剂至少包括调色剂和磁性载体，并且在用于补充的显影剂中，1质量份的磁性载体与2至50质量份的调色剂混合，并且磁性载体含有铁氧体磁芯 和真比重为2.5〜4.2g / cm 3的树脂组分，其体积基准（D50）的50％粒径为15〜70μm，平均圆形度为0.850〜0.950，平均圆形度 具有1.0至10.0％的变异系数。

公开(公告)号：US20090123856A1

公开(公告)日：2009-05-14

申请号：US12090270

申请日：2006-12-05

申请人： Yojiro Hotta ,  Kazuo Terauchi ,  Kunihiko Nakamura ,  Hiroyuki Fujikawa ,  Yoshinobu Baba ,  Takayuki Itakura ,  Hirohide Tanikawa

发明人： Yojiro Hotta ,  Kazuo Terauchi ,  Kunihiko Nakamura ,  Hiroyuki Fujikawa ,  Yoshinobu Baba ,  Takayuki Itakura ,  Hirohide Tanikawa

IPC分类号： G03G9/083 ,  G03G13/00

CPC分类号： G03G9/107 ,  G03G9/10 ,  G03G9/1131 ,  G03G9/1132

摘要： Provided is a developer for replenishment capable of forming a high-quality image even upon duration. The developer for replenishment includes at least a toner and a magnetic carrier, and in the developer for replenishment, 1 part by mass of the magnetic carrier is blended with 2 to 50 parts by mass of the toner, and the magnetic carrier contains a ferrite core and a resin component, has a true specific gravity of 2.5 to 4.2 g/cm3, has a 50% particle diameter on a volume basis (D50) of 15 to 70 μm, and has an average circularity of 0.850 to 0.950, the average circularity having a coefficient of variation of 1.0 to 10.0%.

摘要翻译： 提供了一种补充的开发者，其能够在持续时间时形成高质量的图像。 用于补充的显影剂至少包括调色剂和磁性载体，并且在用于补充的显影剂中，1质量份的磁性载体与2至50质量份的调色剂混合，并且磁性载体含有铁氧体磁芯 和真比重为2.5〜4.2g / cm 3的树脂成分，其体积基准（D50）为50〜70μm的粒径为50％，平均圆形度为0.850〜0.950，平均圆形度 具有1.0至10.0％的变异系数。

公开(公告)号：US07983581B2

公开(公告)日：2011-07-19

申请号：US10540562

申请日：2005-04-26

申请人： Koh Ishigami ,  Hiroyuki Fujikawa ,  Nobuyoshi Sugahara ,  Naoki Okamoto ,  Yoshinobu Baba ,  Takayuki Itakura

发明人： Koh Ishigami ,  Hiroyuki Fujikawa ,  Nobuyoshi Sugahara ,  Naoki Okamoto ,  Yoshinobu Baba ,  Takayuki Itakura

IPC分类号： G03G15/20

CPC分类号： G03G15/20 ,  G03G9/0821 ,  G03G15/2021 ,  G03G15/2039 ,  G03G2215/00772 ,  G03G2215/2006

摘要： A fixing method and a fixing device is provided in which an unfixed toner image formed on a recording medium is heat-pressure-fixed by using a fixing unit, wherein the unfixed toner image is fixed when the recording medium passes through at least two fixing units arranged in series in a conveying direction of the recording medium. Specific relations are satisfied between a maximum temperature on the recording medium when the recording medium passes through a first fixing unit, a maximum temperature on the recording medium when the recording medium passes through a second fixing unit, a minimum temperature on the recording medium during a time period commencing on ejection of the recording medium from the first fixing unit and ending on entry of the recording medium into the second fixing unit and properties of the toner.

摘要翻译： 提供一种定影方法和定影装置，其中通过使用定影单元对形成在记录介质上的未定影调色剂图像进行热压固定，其中当记录介质通过至少两个固定单元时，未定影的调色剂图像是固定的 在记录介质的传送方向上串联布置。 当记录介质通过第一定影单元时记录介质上的最高温度，当记录介质通过第二定影单元时记录介质上的最高温度，记录介质通过第二定影单元时的最低温度， 从第一定影单元喷射记录介质并且在记录介质进入第二定影单元时结束的时间段和调色剂的特性。

公开(公告)号：US07396629B2

公开(公告)日：2008-07-08

申请号：US11114058

申请日：2005-04-26

申请人： Yoshinobu Baba ,  Hiroyuki Fujikawa ,  Nobuyoshi Sugahara ,  Koh Ishigami ,  Naoki Okamoto ,  Takayuki Itakura

发明人： Yoshinobu Baba ,  Hiroyuki Fujikawa ,  Nobuyoshi Sugahara ,  Koh Ishigami ,  Naoki Okamoto ,  Takayuki Itakura

IPC分类号： G03G15/08

CPC分类号： G03G15/09 ,  G03G2215/00957

摘要： An image forming method and an image forming apparatus are disclosed in which an electrostatic latent image is formed on a photosensitive member surface by using a two-component developer including a toner and carrier. The photosensitive member surface has a specific modulus of elastic deformation and includes a charge transport layer with a specific thickness. The toner has a specific weight-average particle diameter. The carrier has a specific volume-average particle diameter and a specific circularity, and contains 20% by number or less of particles having a value of “average circularity−2σ” where σ is standard deviation of carrier circularity.

摘要翻译： 公开了一种图像形成方法和图像形成装置，其中通过使用包括调色剂和载体的双组分显影剂在感光构件表面上形成静电潜像。 感光构件表面具有比弹性变形模量，并且包括具有特定厚度的电荷输送层。 调色剂具有特定的重均粒径。 载体具有比体积平均粒径和特定圆形度，并且包含20个数量或更少的具有“平均圆形度-2σ”值的颗粒，其中σ是载体圆形度的标准偏差。

公开(公告)号：US20050238988A1

公开(公告)日：2005-10-27

申请号：US11107736

申请日：2005-04-18

申请人： Nobuyoshi Sugahara ,  Hiroyuki Fujikawa ,  Koh Ishigami ,  Naoki Okamoto ,  Yoshinobu Baba ,  Takayuki Itakura

发明人： Nobuyoshi Sugahara ,  Hiroyuki Fujikawa ,  Koh Ishigami ,  Naoki Okamoto ,  Yoshinobu Baba ,  Takayuki Itakura

IPC分类号： G03G9/08 ,  G03G13/16 ,  G03G15/01 ,  G03G15/14 ,  G03G15/16

CPC分类号： G03G15/161 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0827 ,  G03G15/162

摘要： In an image forming method having primarily transferring step for transferring to an intermediate transfer member a toner image formed on a photosensitive member, secondarily transferring step for transferring to a transfer material the toner image held on the intermediate transfer member, and, after the secondary transferring step, cleaning step for removing the toner remaining on the intermediate transfer member by bringing a cleaning means into contact with the intermediate transfer member, the cleaning means is a fur brush or a charging roller, and the intermediate transfer member has a specific maximum displacement quantity (Sb) and has a specific elastic deformation percentage (Eb) (%); a toner which forms the toner image has a specific average circularity, has a specific maximum displacement quantity (St), and has a specific elastic deformation percentage (Et) (%); and the elastic deformation percentage of the intermediate transfer member and the elastic deformation percentage of the toner satisfy the following conditional expression: 75≦Eb+Et≦135.

摘要翻译： 在一种图像形成方法中，主要传送步骤用于转印到中间转印部件上，形成在感光部件上的调色剂图像，二次转印步骤，用于转印到转印材料上，保持在中间转印部件上的调色剂图像，以及二次转印 通过使清洁装置与中间转印部件接触来除去残留在中间转印部件上的调色剂的清洁步骤，清洁装置是毛刷或充电辊，中间转印部件具有特定的最大位移量 （Sb），具有比弹性变形率（Eb）（％）。 形成调色剂图像的调色剂具有特定的平均圆形度，具有特定的最大位移量（St），并且具有特定的弹性变形百分比（Et）（％）; 并且中间转印部件的弹性变形百分比和调色剂的弹性变形百分比满足以下条件表达式：<？in-line-formula description =“In-line formula”end =“lead”？> 75 <= Eb + Et <= 135。<？in-line-formula description =“In-line Formulas”end =“tail”？>

公开(公告)号：US20050244737A1

公开(公告)日：2005-11-03

申请号：US11114058

申请日：2005-04-26

申请人： Yoshinobu Baba ,  Hiroyuki Fujikawa ,  Nobuyoshi Sugahara ,  Koh Ishigami ,  Naoki Okamoto ,  Takayuki Itakura

发明人： Yoshinobu Baba ,  Hiroyuki Fujikawa ,  Nobuyoshi Sugahara ,  Koh Ishigami ,  Naoki Okamoto ,  Takayuki Itakura

IPC分类号： G03G15/08 ,  G03G15/09

CPC分类号： G03G15/09 ,  G03G2215/00957

摘要： An image forming method and an image forming apparatus are disclosed in which an electrostatic latent image is formed on a photosensitive member surface by using a two-component developer including a toner and carrier. The photosensitive member surface has a specific modulus of elastic deformation and includes a charge transport layer with a specific thickness. The toner has a specific weight-average particle diameter. The carrier has a specific volume-average particle diameter and a specific circularity, and contains 20% by number or less of particles having a value of “average circularity−2 σ” where σ is standard deviation of carrier circularity.

摘要翻译： 公开了一种图像形成方法和图像形成装置，其中通过使用包括调色剂和载体的双组分显影剂在感光构件表面上形成静电潜像。 感光构件表面具有比弹性变形模量，并且包括具有特定厚度的电荷输送层。 调色剂具有特定的重均粒径。 载体具有比体积平均粒径和特定的圆形度，并且包含20个数量或更少的具有“平均圆形度2西格玛”值的颗粒，其中σ是载体圆度的标准偏差。

公开(公告)号：US20060251451A1

公开(公告)日：2006-11-09

申请号：US10540562

申请日：2005-04-26

申请人： Koh Ishigami ,  Hiroyuki Fujikawa ,  Nobuyoshi Sugahara ,  Naoki Okamoto ,  Yoshinobu Baba ,  Takayuki Itakura

发明人： Koh Ishigami ,  Hiroyuki Fujikawa ,  Nobuyoshi Sugahara ,  Naoki Okamoto ,  Yoshinobu Baba ,  Takayuki Itakura

IPC分类号： G03G15/20

CPC分类号： G03G15/20 ,  G03G9/0821 ,  G03G15/2021 ,  G03G15/2039 ,  G03G2215/00772 ,  G03G2215/2006

摘要： To provide a fixing method and a fixing device with each of which an image which has high gloss that is uniform irrespective of a toner mounting amount on a recording medium can be obtained at a relatively high recording medium conveying speed. A fixing method and a fixing device in which an unfixed toner image formed on a recording medium is heat-pressure-fixed by using a fixing unit, are characterized in that: the unfixed toner image is fixed when the recording medium passes through at least 2 fixing units arranged in series in a conveying direction of the recording medium; a toner for forming the unfixed toner image is a toner containing a release agent; and the following formulas (1) and (2) are satisfied when a maximum temperature on the recording medium when the recording medium passes through a first fixing unit is denoted by T1, a maximum temperature on the recording medium when the recording medium passes through a second fixing unit is denoted by T2, a minimum temperature on the recording medium during a time period commencing on ejection of the recording medium from the first fixing unit and ending on entry of the recording medium into the second fixing unit is denoted by t, a flow tester softening temperature of the toner is denoted by Ts, and a flow starting temperature of the toner is denoted by Tfb. T1>Tfb  formula (1) T2>t>Ts  formula (2)

摘要翻译： 为了提供一种定影方法和定影装置，可以以相对较高的记录介质传送速度获得各自具有与记录介质上的调色剂安装量无关的高光泽度均匀的图像的定影方法和定影装置。 其中通过使用定影单元热压固定在记录介质上形成的未定影调色剂图像的定影方法和定影装置的特征在于：当记录介质通过至少2个时，未定影的调色剂图像是固定的 在记录介质的传送方向上串联布置的固定单元; 用于形成未定影调色剂图像的调色剂是含有脱模剂的调色剂; 当记录介质通过第一定影单元时记录介质上的最高温度由记录介质通过的记录介质的最高温度T1表示时，满足下式（1）和（2） 第二定影单元由T2表示，在从第一定影单元喷射记录介质并且在记录介质进入第二定影单元之后结束的时间段期间，记录介质上的最小温度由t表示，a 调色剂的流量计软化温度由Ts表示，调色剂的流动开始温度由Tfb表示。 <？in-line-formula description =“In-line Formulas”end =“lead”？> T1> Tfb formula（1）<？in-line-formula description =“In-line Formulas”end =“tail”？ > <？in-line-formula description =“In-line Formulas”end =“lead”？> T2> t> Ts formula（2）<？in-line-formula description =“In-line Formulas”end =“ 尾巴“？>