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公开(公告)号：US07138213B2
公开(公告)日：2006-11-21
申请号：US10793965
申请日：2004-03-05
申请人： Takayuki Itakura , Yoshinobu Baba , Yuko Sato , Nobuyoshi Sugahara , Kazuo Terauchi , Takaaki Kotaki , Hirohide Tanikawa
发明人： Takayuki Itakura , Yoshinobu Baba , Yuko Sato , Nobuyoshi Sugahara , Kazuo Terauchi , Takaaki Kotaki , Hirohide Tanikawa
CPC分类号： G03G9/08786 , G03G9/0821 , G03G9/08782 , G03G9/09
摘要： The present invention provides a cyan toner including: one or plural heat-absorption peaks in a temperature range of 30 to 200° C. in a heat-absorption curve obtained by using a differential scanning calorimeter; a maximal value of a maximum heat-absorption peak temperature in the range of 65 to 150° C.; and a reflectance of 45 to 80% at a wavelength of 500 nm, a reflectance of 5 to 30% at a wavelength of 600 nm, and a brightness L* of 45 to 75, when measured in a powder form by spectroscopic analysis. The present invention thus provides a cyan toner capable of forming an image with reduced graininess and roughness from a low-density region to a high-density region and ensured a sufficient fixing temperature region, and a method for forming an image using the cyan toner.
摘要翻译： 本发明提供了一种青色调色剂，其包括：在通过使用差示扫描量热计获得的热吸收曲线中，在30至200℃的温度范围内的一个或多个吸热峰; 最大吸热峰温度的最大值在65〜150℃的范围内。 当波长为500nm时的反射率为45〜80％，波长600nm的反射率为5〜30％，通过光谱分析以粉末形式测定时的亮度L *为45〜75。 因此，本发明提供了能够形成从低密度区域到高密度区域具有降低的颗粒度和粗糙度的图像的青色调色剂，并确保了足够的定影温度区域，以及使用青色调色剂形成图像的方法。
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公开(公告)号：US07144668B2
公开(公告)日：2006-12-05
申请号：US10792732
申请日：2004-03-05
申请人： Yoshinobu Baba , Yuko Sato , Ryoichi Fujita , Takaaki Kotaki , Nobuyoshi Sugahara , Kazuo Terauchi , Takayuki Itakura
发明人： Yoshinobu Baba , Yuko Sato , Ryoichi Fujita , Takaaki Kotaki , Nobuyoshi Sugahara , Kazuo Terauchi , Takayuki Itakura
IPC分类号： G03G9/087
CPC分类号： G03G9/08742 , G03G9/0819 , G03G9/0821 , G03G9/0827 , G03G9/08702 , G03G9/08755 , G03G9/10 , G03G9/1134
摘要： The present invention provides a toner: comprising a binder resin comprising a polyester unit, a colorant, a releasing agent, and inorganic fine particles; has a weight average particle diameter of 3.0–6.5 μm; has an average circularity of particles in the toner each having a circle-equivalent diameter of 2 μm or more of 0.920–0.945; has a BET specific surface area of 2.1–3.5 m2/g; and has a permeability of light of a wavelength of 600 nm in a liquid having dispersed the toner in a 45 vol % methanol aq. of 30–80%. The present invention also provides a two-component developer: comprising the toner and a magnetic carrier comprising magnetic core particles coated by a coating layer; and has a number average particle diameter of 15–80 μm. Using the toner and the two-component developer enables a high-quality image to be formed at a high speed even in an oilless fixing system.
摘要翻译： 本发明提供一种调色剂：包含粘合剂树脂，其包含聚酯单元，着色剂，脱模剂和无机细颗粒; 重均粒径为3.0-6.5μm; 调色剂中的平均圆形颗粒的圆当量直径为2μm或更大，为0.920-0.945; 具有2.1-3.5m 2 / g的BET比表面积; 并且在具有将调色剂分散在45体积％甲醇水溶液中的液体中具有600nm波长的光的渗透性。 为30-80％。 本发明还提供了一种双组分显影剂，包括调色剂和包含被涂层涂覆的磁芯颗粒的磁性载体; 并且具有15-80μm的数均粒径。 使用调色剂和双组分显影剂使得即使在无油定影系统中也可以高速形成高质量图像。
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公开(公告)号：US07279262B2
公开(公告)日：2007-10-09
申请号：US10988687
申请日：2004-11-16
申请人： Hiroyuki Fujikawa , Takayuki Itakura , Takakuni Kobori , Koh Ishigami , Nobuyoshi Sugahara , Yoshinobu Baba , Hirohide Tanikawa
发明人： Hiroyuki Fujikawa , Takayuki Itakura , Takakuni Kobori , Koh Ishigami , Nobuyoshi Sugahara , Yoshinobu Baba , Hirohide Tanikawa
IPC分类号： G03G9/113
CPC分类号： G03G9/081 , G03G9/0804 , G03G9/0815 , G03G9/08722 , G03G9/08775 , G03G9/08777 , G03G9/08795 , G03G9/08797 , G03G9/09708
摘要： A magnetic carrier composed of carrier particles is provided in which each carrier particle has a carrier core including magnetic fine particles and a binder resin with the carrier core surface being coated with a coat material containing a coat resin. In the magnetic carrier, Fatom/Catom and (Fatom/Catom)/(Fcalc/Ccalc) are respectively in specific ranges, wherein Fatom and Catom represent respectively a fluorine element abundance ratio and a carbon element abundance ratio at the magnetic carrier particle surface, and Fcalc and Ccalc represent respectively a fluorine element abundance ratio and a carbon element abundance ratio which are calculable from the molecular structure of the coat resin.In addition, a two-component developer is provoded including the magnetic carrier and a toner having a specific contact angle against water.
摘要翻译： 提供由载体颗粒构成的磁性载体，其中每个载体颗粒具有包含磁性细颗粒的载体芯和粘合剂树脂，载体芯表面涂覆有包含涂层树脂的涂层材料。 在磁性载体中，Fatom / Catom和（Fatom / Catom）/（Fcalc / Ccalc）分别在特定范围内，其中Fatom和Catom分别代表磁性载体颗粒表面的氟元素丰度比和碳元素丰度比， Fcalc和Ccalc分别表示可从涂层树脂的分子结构计算的氟元素丰度比和碳元素丰度比。 此外，双组分显影剂被编织，包括磁性载体和具有与水的特定接触角的调色剂。
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公开(公告)号：US20060008723A1
公开(公告)日：2006-01-12
申请号：US11225064
申请日：2005-09-14
申请人： Hiroyuki Fujikawa , Nobuyoshi Sugahara , Takayuki Itakura , Naoki Okamoto , Koh Ishigami , Yoshinobu Baba , Hirohide Tanikawa
发明人： Hiroyuki Fujikawa , Nobuyoshi Sugahara , Takayuki Itakura , Naoki Okamoto , Koh Ishigami , Yoshinobu Baba , Hirohide Tanikawa
IPC分类号： G03G9/087
CPC分类号： G03G9/08755 , G03G9/08797 , G03G9/09708 , G03G9/09725
摘要： The present invention provides a toner improved in dispersibility of a colorant in the toner particles and excellent in the color reproducibility including color mixability and transparency. The toner is also excellent in the stability in long-term of the chargeability and capable of forming images maintaining high image quality. The present invention provides a toner for forming a full-color image which includes at least toner particles containing a binder resin, a colorant and a wax, and inorganic fine particles, wherein the binder resin comprises a resin having polyester units which is synthesized by use of an aromatic carboxylic acid titanium compound as a catalyst, and the inorganic fine particles comprise fine titanium oxide particles.
摘要翻译： 本发明提供一种改善着色剂在调色剂颗粒中的分散性的调色剂，并且颜色再现性优异，包括颜色混合性和透明度。 调色剂在充电性的长期稳定性方面也是优异的，并且能够形成保持高图像质量的图像。 本发明提供一种用于形成全色图像的调色剂，其至少包括含有粘合剂树脂，着色剂和蜡的调色剂颗粒和无机细颗粒，其中粘合剂树脂包括通过使用合成的具有聚酯单元的树脂 的芳族羧酸钛化合物作为催化剂，无机细颗粒包含细小的氧化钛颗粒。
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公开(公告)号：US20050112489A1
公开(公告)日：2005-05-26
申请号：US10988687
申请日：2004-11-16
申请人： Hiroyuki Fujikawa , Takayuki Itakura , Takakuni Kobori , Koh Ishigami , Nobuyoshi Sugahara , Yoshinobu Baba , Hirohide Tanikawa
发明人： Hiroyuki Fujikawa , Takayuki Itakura , Takakuni Kobori , Koh Ishigami , Nobuyoshi Sugahara , Yoshinobu Baba , Hirohide Tanikawa
CPC分类号： G03G9/081 , G03G9/0804 , G03G9/0815 , G03G9/08722 , G03G9/08775 , G03G9/08777 , G03G9/08795 , G03G9/08797 , G03G9/09708
摘要： A magnetic carrier composed of carrier particles is provided in which each carrier particle has a carrier core including magnetic fine particles and a binder resin with the carrier core surface being coated with a coat material containing a coat resin. In the magnetic carrier, Fatom/Catom and (Fatom/Catom)/(Fcalc/Ccalc) are respectively in specific ranges, wherein Fatom and Catom represent respectively a fluorine element abundance ratio and a carbon element abundance ratio at the magnetic carrier particle surface, and Fcalc and Ccalc represent respectively a fluorine element abundance ratio and a carbon element abundance ratio which are calculable from the molecular structure of the coat resin. In addition, a two-component developer is provoded including the magnetic carrier and a toner having a specific contact angle against water.
摘要翻译： 提供由载体颗粒构成的磁性载体，其中每个载体颗粒具有包含磁性细颗粒的载体芯和粘合剂树脂，载体芯表面涂覆有包含涂层树脂的涂层材料。 在磁性载体中，Fatom / Catom和（Fatom / Catom）/（Fcalc / Ccalc）分别在特定范围内，其中Fatom和Catom分别代表磁性载体颗粒表面的氟元素丰度比和碳元素丰度比， Fcalc和Ccalc分别表示可从涂层树脂的分子结构计算的氟元素丰度比和碳元素丰度比。 此外，双组分显影剂被编织，包括磁性载体和具有与水的特定接触角的调色剂。
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公开(公告)号：US07396626B2
公开(公告)日：2008-07-08
申请号：US11225064
申请日：2005-09-14
申请人： Hiroyuki Fujikawa , Nobuyoshi Sugahara , Takayuki Itakura , Naoki Okamoto , Koh Ishigami , Yoshinobu Baba , Hirohide Tanikawa
发明人： Hiroyuki Fujikawa , Nobuyoshi Sugahara , Takayuki Itakura , Naoki Okamoto , Koh Ishigami , Yoshinobu Baba , Hirohide Tanikawa
IPC分类号： G03G9/087
CPC分类号： G03G9/08755 , G03G9/08797 , G03G9/09708 , G03G9/09725
摘要： The present invention provides a toner improved in dispersibility of a colorant in the toner particles and excellent in the color reproducibility including color mixability and transparency. The toner is also excellent in the stability in long-term of the chargeability and capable of forming images maintaining high image quality. The present invention provides a toner for forming a full-color image which includes at least toner particles containing a binder resin, a colorant and a wax, and inorganic fine particles, wherein the binder resin comprises a resin having polyester units which is synthesized by use of an aromatic carboxylic acid titanium compound as a catalyst, and the inorganic fine particles comprise fine titanium oxide particles.
摘要翻译： 本发明提供一种改善着色剂在调色剂颗粒中的分散性的调色剂，并且颜色再现性优异，包括颜色混合性和透明度。 调色剂在充电性的长期稳定性方面也是优异的，并且能够形成保持高图像质量的图像。 本发明提供一种用于形成全色图像的调色剂，其至少包括含有粘合剂树脂，着色剂和蜡的调色剂颗粒和无机细颗粒，其中粘合剂树脂包括通过使用合成的具有聚酯单元的树脂 的芳族羧酸钛化合物作为催化剂，无机细颗粒包含细小的氧化钛颗粒。
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公开(公告)号：US20070184372A1
公开(公告)日：2007-08-09
申请号：US11693981
申请日：2007-03-30
IPC分类号： G03G15/10
CPC分类号： G03G9/08795 , G03G9/0821 , G03G9/08742 , G03G9/08755 , G03G9/08782 , G03G9/08786 , G03G9/08797 , G03G9/092 , G03G9/0926
摘要： A magenta toner is provided which contains at least a binder resin, a colorant, and a wax, in which a maximum heat-absorption peak temperature as measured using a differential scanning calorimeter, a reflectance at a predetermined wavelength when measured in a powder state by spectroscopic analysis, and lightness when measured in a powder form are in specific ranges. A full-color image is formed using the magenta toner as a pale magenta toner in combination with a deep magenta toner. According to the present invention, it becomes possible to form a vivid image which has reduced graininess and roughness from a low-density region to a high-density region, ensures a sufficient fixing temperature region, has a color reproduction range wider that the conventional one, and has high transparency on an OHP sheet.
摘要翻译： 提供品红色调色剂，其至少含有粘合剂树脂，着色剂和蜡，其中使用差示扫描量热计测量的最大吸热峰值温度，当以粉末状态测量时以预定波长的反射率通过 光谱分析和粉末状测定时的亮度均在特定范围内。 使用洋红色调色剂作为浅洋红色调色剂与深品红色调色剂组合形成全色图像。 根据本发明，可以形成从低密度区域到高密度区域具有降低的颗粒性和粗糙度的生动的图像，确保足够的定影温度区域，具有比现有技术更宽的色彩再现范围 ，并且在OHP片材上具有高透明度。
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公开(公告)号：US20050014079A1
公开(公告)日：2005-01-20
申请号：US10890165
申请日：2004-07-14
CPC分类号： G03G9/08795 , G03G9/0821 , G03G9/08742 , G03G9/08755 , G03G9/08782 , G03G9/08786 , G03G9/08797 , G03G9/092 , G03G9/0926
摘要： A magenta toner is provided which contains at least a binder resin, a colorant, and a wax, in which a maximum heat-absorption peak temperature as measured using a differential scanning calorimeter, a reflectance at a predetermined wavelength when measured in a powder state by spectroscopic analysis, and lightness when measured in a powder form are in specific ranges. A full-color image is formed using the magenta toner as a pale magenta toner in combination with a deep magenta toner. According to the present invention, it becomes possible to form a vivid image which has reduced graininess and roughness from a low-density region to a high-density region, ensures a sufficient fixing temperature region, has a color reproduction range wider that the conventional one, and has high transparency on an OHP sheet.
摘要翻译： 提供品红色调色剂，其至少含有粘合剂树脂，着色剂和蜡，其中使用差示扫描量热计测量的最大吸热峰值温度，当以粉末状态测量时以预定波长的反射率通过 光谱分析和粉末状测定时的亮度均在特定范围内。 使用洋红色调色剂作为浅洋红色调色剂与深品红色调色剂组合形成全色图像。 根据本发明，可以形成从低密度区域到高密度区域具有降低的颗粒性和粗糙度的生动的图像，确保足够的定影温度区域，具有比现有技术更宽的色彩再现范围 ，并且在OHP片材上具有高透明度。
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公开(公告)号：US07442478B2
公开(公告)日：2008-10-28
申请号：US11693981
申请日：2007-03-30
IPC分类号： G03G15/01
CPC分类号： G03G9/08795 , G03G9/0821 , G03G9/08742 , G03G9/08755 , G03G9/08782 , G03G9/08786 , G03G9/08797 , G03G9/092 , G03G9/0926
摘要： A magenta toner is provided which contains at least a binder resin, a colorant, and a wax, in which a maximum heat-absorption peak temperature as measured using a differential scanning calorimeter, a reflectance at a predetermined wavelength when measured in a powder state by spectroscopic analysis, and lightness when measured in a powder form are in specific ranges. A full-color image is formed using the magenta toner as a pale magenta toner in combination with a deep magenta toner. According to the present invention, it becomes possible to form a vivid image which has reduced graininess and roughness from a low-density region to a high-density region, ensures a sufficient fixing temperature region, has a color reproduction range wider that the conventional one, and has high transparency on an OHP sheet.
摘要翻译： 提供品红色调色剂，其至少含有粘合剂树脂，着色剂和蜡，其中使用差示扫描量热计测量的最大吸热峰值温度，当以粉末状态测量时以预定波长的反射率通过 光谱分析和粉末状测定时的亮度均在特定范围内。 使用洋红色调色剂作为浅洋红色调色剂与深品红色调色剂组合形成全色图像。 根据本发明，可以形成从低密度区域到高密度区域具有降低的颗粒性和粗糙度的生动的图像，确保足够的定影温度区域，具有比现有技术更宽的色彩再现范围 ，并且在OHP片材上具有高透明度。
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公开(公告)号：US07320850B2
公开(公告)日：2008-01-22
申请号：US10890165
申请日：2004-07-14
IPC分类号： G03G9/08
CPC分类号： G03G9/08795 , G03G9/0821 , G03G9/08742 , G03G9/08755 , G03G9/08782 , G03G9/08786 , G03G9/08797 , G03G9/092 , G03G9/0926
摘要： A magenta toner is provided which contains at least a binder resin, a colorant, and a wax, in which a maximum heat-absorption peak temperature as measured using a differential scanning calorimeter, a reflectance at a predetermined wavelength when measured in a powder state by spectroscopic analysis, and lightness when measured in a powder form are in specific ranges. A full-color image is formed using the magenta toner as a pale magenta toner in combination with a deep magenta toner. According to the present invention, it becomes possible to form a vivid image which has reduced graininess and roughness from a low-density region to a high-density region, ensures a sufficient fixing temperature region, has a color reproduction range wider that the conventional one, and has high transparency on an OHP sheet.
摘要翻译： 提供品红色调色剂，其至少包含粘合剂树脂，着色剂和蜡，其中使用差示扫描量热计测量的最大吸热峰值温度，当以粉末状态测量时以预定波长测量的反射率由 光谱分析和粉末状测定时的亮度均在特定范围内。 使用洋红色调色剂作为浅洋红色调色剂与深品红色调色剂组合形成全色图像。 根据本发明，可以形成从低密度区域到高密度区域具有降低的颗粒性和粗糙度的生动的图像，确保足够的定影温度区域，具有比现有技术更宽的色彩再现范围 ，并且在OHP片材上具有高透明度。
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