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公开(公告)号：US20120148470A1
公开(公告)日：2012-06-14
申请号：US13288418
申请日：2011-11-03
申请人： Sakae TAKEUCHI , Shinichiro KAWASHIMA , Hiroyoshi OKUNO , Hideaki YOSHIKAWA , Yuji MASUDA , Shunsuke NOZAKI , Yuka ZENITANI
发明人： Sakae TAKEUCHI , Shinichiro KAWASHIMA , Hiroyoshi OKUNO , Hideaki YOSHIKAWA , Yuji MASUDA , Shunsuke NOZAKI , Yuka ZENITANI
IPC分类号： C01B33/12
CPC分类号： C01B33/18 , C01B33/12 , C01B33/141 , C09C1/30 , C09C1/3027 , Y02P20/544
摘要： A method for producing silica particles, includes preparing a silica particle dispersion containing silica particles, and a solvent containing an alcohol and water, and bringing supercritical carbon dioxide into contact with the silica particle dispersion to remove the solvent.
摘要翻译： 制备二氧化硅颗粒的方法包括制备含有二氧化硅颗粒的二氧化硅颗粒分散体和含有醇和水的溶剂，并使超临界二氧化碳与二氧化硅颗粒分散体接触以除去溶剂。
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公开(公告)号：US20120183777A1
公开(公告)日：2012-07-19
申请号：US13214816
申请日：2011-08-22
申请人： Hideaki YOSHIKAWA , Yuka ZENITANI , Hiroyoshi OKUNO , Shunsuke NOZAKI , Shinichiro KAWASHIMA , Sakae TAKEUCHI , Yasuo KADOKURA
发明人： Hideaki YOSHIKAWA , Yuka ZENITANI , Hiroyoshi OKUNO , Shunsuke NOZAKI , Shinichiro KAWASHIMA , Sakae TAKEUCHI , Yasuo KADOKURA
CPC分类号： C08J3/128 , C08J2325/06 , C08J2367/03 , C08J2375/04 , G03G9/0804 , G03G9/0806 , G03G9/0819 , G03G9/0827 , G03G9/09716 , G03G9/09725 , Y10T428/2993 , Y10T428/2996
摘要： A resin particle having: a resin mother particle; and silica particles external added onto the surface of the resin mother particle, wherein a primary particles of the silica particles which have a volume average particle diameter of from 100 nm to 500 nm, a particle size distribution index of from 1.40 to 1.80 and an average circularity of from 0.5 to 0.85 has a regression line expressed by the following expression (1) with respect to the circularity and the volume average particle diameter (nm): Circularity=α×(Volume average particle diameter)/1000+β (1) wherein α is from −2.5 to −0.9, and β is from 0.8 to 1.2.
摘要翻译： 具有树脂母粒子的树脂粒子; 外部添加到树脂母粒表面的二氧化硅粒子，其中二氧化硅粒子的一次粒子的体积平均粒径为100nm〜500nm，粒径分布指数为1.40〜1.80，平均粒径为 圆形度为0.5〜0.85，具有圆形度和体积平均粒径（nm）的以下表达式（1）所表示的回归线：圆度=α×（体积平均粒径）/ 1000 +＆bgr; （1）其中α为-2.5至-0.9，＆bgr; 为0.8〜1.2。
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公开(公告)号：US20120189851A1
公开(公告)日：2012-07-26
申请号：US13214657
申请日：2011-08-22
申请人： Yuka ZENITANI , Hideaki YOSHIKAWA , Hiroyoshi OKUNO , Shunsuke NOZAKI , Shinichiro KAWASHIMA , Sakae TAKEUCHI , Yasuo KADOKURA
发明人： Yuka ZENITANI , Hideaki YOSHIKAWA , Hiroyoshi OKUNO , Shunsuke NOZAKI , Shinichiro KAWASHIMA , Sakae TAKEUCHI , Yasuo KADOKURA
CPC分类号： G03G9/09725 , G03G9/0812 , G03G9/09716 , Y10T428/2982 , Y10T428/2991 , Y10T428/2993
摘要： A resin particle including: a resin mother particle; and silica particles externally added onto a surface of the resin mother particle, wherein primary particles of the silica particles, the primary particles which have a volume average particle diameter of from 80 nm to 300 inn, a particle size distribution index of from 1.10 to 1.40, an average circularity of from 0.70 to 0.92 and an average circularity distribution index of from 1.05 to 1.50, and a proportion of the primary particles having an average circularity of 0.95 or more is not more 10% by number.
摘要翻译： 一种树脂颗粒，包括：树脂母粒; 外部添加到树脂母粒子的表面的二氧化硅粒子，其中二氧化硅粒子的一次粒子，体积平均粒径为80nm〜300 inn的一次粒子，粒度分布指数为1.10〜1.40 平均圆形度为0.70〜0.92，平均圆形度分布指数为1.05〜1.50，平均圆形度为0.95以上的一次粒子的比例不多于10个数量％。
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公开(公告)号：US20110318581A1
公开(公告)日：2011-12-29
申请号：US12912057
申请日：2010-10-26
申请人： Yuka ZENITANI , Hideaki YOSHIKAWA , Hiroyoshi OKUNO , Shunsuke NOZAKI , Shinichiro KAWASHIMA , Sakae TAKEUCHI
发明人： Yuka ZENITANI , Hideaki YOSHIKAWA , Hiroyoshi OKUNO , Shunsuke NOZAKI , Shinichiro KAWASHIMA , Sakae TAKEUCHI
CPC分类号： C01B33/145 , C01B33/146 , Y10T428/2982
摘要： The invention provides silica particles including primary particles, the primary particles having a volume average particle diameter of from about 80 nm to about 300 nm, a particle size distribution index of from about 1.10 to about 1.40, an average circularity of from about 0.70 to about 0.92, and a circularity distribution index of from about 1.05 to about 1.50, the silica particles including primary particles having a circularity of about 0.95 or greater at a proportion of about 10% or less by number of particles.
摘要翻译： 本发明提供二氧化硅颗粒，其包括一次颗粒，一次颗粒的体积平均粒径为约80nm至约300nm，粒度分布指数为约1.10至约1.40，平均圆形度为约0.70至约 0.92，圆形度分布指数为约1.05至约1.50，二氧化硅颗粒包括具有约0.95或更大的圆形度的一次颗粒，其比例为颗粒数量的约10％或更小。
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公开(公告)号：US20130075652A1
公开(公告)日：2013-03-28
申请号：US13359027
申请日：2012-01-26
申请人： Sakae TAKEUCHI , Shinichiro KAWASHIMA , Hiroyoshi OKUNO , Hideaki YOSHIKAWA , Yasuo KADOKURA , Shunsuke NOZAKI , Yuka ZENITANI
发明人： Sakae TAKEUCHI , Shinichiro KAWASHIMA , Hiroyoshi OKUNO , Hideaki YOSHIKAWA , Yasuo KADOKURA , Shunsuke NOZAKI , Yuka ZENITANI
IPC分类号： C09K3/00
CPC分类号： C01B33/146 , C01B33/18
摘要： A method of manufacturing a silica particle dispersion, includes preparing a silica particle dispersion containing silica particles and a solvent, primary concentrating the silica particle dispersion, adding a hydrophobizing treatment agent to the silica particle dispersion after the primary concentrating, and secondary concentrating the silica particle dispersion after the adding.
摘要翻译： 一种二氧化硅粒子分散体的制造方法，包括：制备含有二氧化硅粒子和溶剂的二氧化硅粒子分散液，一次浓缩二氧化硅粒子分散液，在一次浓缩后向二氧化硅粒子分散液中加入疏水化处理剂，二次浓缩二氧化硅粒子 添加后分散。
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6.发明申请ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD 有权静电充电图像显影剂，静电电荷图像开发器，调色剂盒，过程盒，图像形成装置和图像形成方法公开(公告)号：US20130065170A1
公开(公告)日：2013-03-14
申请号：US13352821
申请日：2012-01-18
申请人： Yasuo KADOKURA , Shunsuke NOZAKI , Hideaki YOSHIKAWA , Shinichiro KAWASHIMA , Sakae TAKEUCHI , Yuka ZENITANI , Sakon TAKAHASHI , Hiroyoshi OKUNO
发明人： Yasuo KADOKURA , Shunsuke NOZAKI , Hideaki YOSHIKAWA , Shinichiro KAWASHIMA , Sakae TAKEUCHI , Yuka ZENITANI , Sakon TAKAHASHI , Hiroyoshi OKUNO
CPC分类号： G03G9/0821 , G03G9/0819 , G03G9/0823 , G03G9/08797 , G03G9/09716 , G03G9/09725 , G03G15/0806
摘要： An electrostatic charge image developing toner includes: toner particles; and an external additive. The external additive contains sol-gel silica having a volume average particle diameter of from about 70 nm to about 400 nm and an average circularity of from about 0.5 to about 0.9, and a dielectric loss factor of the toner is from about 5×10−3 to about 30×10−3 when the toner is kept for 24 hours under the environment of a temperature of 28° C. and a humidity of 85%.
摘要翻译： 静电荷图像显影调色剂包括：调色剂颗粒; 和外部添加剂。 外部添加剂含有体积平均粒径为约70nm至约400nm，平均圆形度为约0.5至约0.9的溶胶 - 凝胶二氧化硅，并且调色剂的介电损耗因子为约5×10 -5 当调色剂在温度28℃，湿度85％的环境下保持24小时时，为3〜约30×10 -3。
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公开(公告)号：US20130012657A1
公开(公告)日：2013-01-10
申请号：US13340036
申请日：2011-12-29
申请人： Hideaki YOSHIKAWA , Yuka ZENITANI , Hiroyoshi OKUNO , Shinichiro KAWASHIMA , Yasuo KADOKURA , Shunsuke NOZAKI , Sakae TAKEUCHI
发明人： Hideaki YOSHIKAWA , Yuka ZENITANI , Hiroyoshi OKUNO , Shinichiro KAWASHIMA , Yasuo KADOKURA , Shunsuke NOZAKI , Sakae TAKEUCHI
CPC分类号： C01B33/18 , C01P2004/32 , C01P2004/54 , C01P2004/60 , C01P2004/62 , C08K3/36 , C08K9/06 , C09C1/30 , C09C1/3072 , C09C1/3081 , G03G9/09725 , Y10T428/2982 , Y10T428/2991 , Y10T428/2993
摘要： Disclosed are silica particles having a volume average particle size of from about 100 nm to about 500 nm, an average circularity degree of from about 0.5 to about 0.85, and an average value of the ratios of circle equivalent diameters Da of the silica particles obtained by a flat image analysis to maximum heights H of the silica particles obtained by a stereoscopic image analysis of more than 1.5 and less than 1.9.
摘要翻译： 公开了体积平均粒径为约100nm至约500nm，平均圆形度为约0.5至约0.85的二氧化硅颗粒和由二氧化硅颗粒获得的二氧化硅颗粒的圆当量直径Da的平均值 通过立体图像分析获得的二氧化硅颗粒的最大高度H的平面图像分析大于1.5且小于1.9。
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公开(公告)号：US20110319647A1
公开(公告)日：2011-12-29
申请号：US12906405
申请日：2010-10-18
申请人： Hideaki YOSHIKAWA , Yuka ZENITANI , Hiroyoshi OKUNO , Shunsuke NOZAKI , Shinichiro KAWASHIMA , Sakae TAKEUCHI
发明人： Hideaki YOSHIKAWA , Yuka ZENITANI , Hiroyoshi OKUNO , Shunsuke NOZAKI , Shinichiro KAWASHIMA , Sakae TAKEUCHI
CPC分类号： C01B33/148 , C01B33/141 , C01B33/145 , C01B33/146
摘要： The invention provides a method of producing silica particles, the method including preparing an alkali catalyst solution containing an alkali catalyst in a solvent including an alcohol, at a concentration of from about 0.6 mol/L to about 0.85 mol/L; and supplying tetraalkoxysilane into the alkali catalyst solution, and concurrently supplying an alkali catalyst into the alkali catalyst solution at a rate of from about 0.1 mol to about 0.4 mol per mole of the total amount of supply of the tetraalkoxysilane supplied in one minute.
摘要翻译： 本发明提供一种生产二氧化硅颗粒的方法，该方法包括在约0.6mol / L至约0.85mol / L的浓度下制备含有碱催化剂的碱催化剂溶液在包括醇的溶剂中; 向碱催化剂溶液供给四烷氧基硅烷，同时以每分钟供给1分钟的四烷氧基硅烷的总量为约0.1摩尔〜约0.4摩尔，向碱催化剂溶液供给碱催化剂。
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公开(公告)号：US20110318584A1
公开(公告)日：2011-12-29
申请号：US12917814
申请日：2010-11-02
申请人： Hideaki YOSHIKAWA , Yuka ZENITANI , Hiroyoshi OKUNO , Shunsuke NOZAKI , Shinichiro KAWASHIMA , Sakae TAKEUCHI
发明人： Hideaki YOSHIKAWA , Yuka ZENITANI , Hiroyoshi OKUNO , Shunsuke NOZAKI , Shinichiro KAWASHIMA , Sakae TAKEUCHI
CPC分类号： C07F7/0838 , C07F7/1804 , Y10T428/2982 , Y10T428/2993
摘要： The present invention provides silica particles including primary particles, the primary particles having an average particle diameter in a range of from about 100 nm to about 500 nm, a particle size distribution index in a range of from about 1.40 to about 1.80, and an average roundness in a range of from about 0.5 to about 0.85, and about 95% or more, by number of particles, of the primary particles satisfying following Formula (1) with respect to a roundness (R) and a particle diameter (D) (nm): R=α×D/1000+β Formula (1) (−2.5≦α≦−0.9, 0.8≦β≦1.2).
摘要翻译： 本发明提供了二氧化硅颗粒，其包括一次颗粒，一次颗粒的平均粒径在约100nm至约500nm的范围内，粒度分布指数在约1.40至约1.80范围内，平均粒径 相对于圆度（R）和粒径（D），满足下式（1）的一次粒子的粒子数为约0.5〜约0.85，约95％以上的圆度; nm）：R =α×D / 1000 +＆bgr; 式（1）（-2.5＆nlE;α＆nlE; -0.9,0.8＆nlE;＆bgr;＆nlE; 1.2）。
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10.发明申请ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, TONER CARTRIDGE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD 有权静电充电图像显影剂，静电电荷图像开发器，调色剂盒，过程盒，图像形成装置和图像形成方法公开(公告)号：US20130196259A1
公开(公告)日：2013-08-01
申请号：US13566534
申请日：2012-08-03
申请人： Yoshifumi IIDA , Hideaki YOSHIKAWA
发明人： Yoshifumi IIDA , Hideaki YOSHIKAWA
CPC分类号： G03G9/09725 , G03G9/0804 , G03G9/09708 , G03G9/09716
摘要： An electrostatic charge image developing toner includes toner particles, and an external additive. The toner particles are (1) prepared by forming aggregated particles by aggregating resin particles in a raw material dispersion in which the resin particles are dispersed, and causing the aggregated particles to coalesce by heating an aggregated particle dispersion in which the aggregated particles are dispersed so as to form the toner particles, or (2) obtained by kneading and pulverizing a material including a binder resin and a release agent, and the external additive is silica particles having an average diameter in the range of 100 nm to 500 nm, an average circularity in the range of 0.5 to 0.85, and an average of a ratio of a circle-equivalent diameter Da obtained by plane image analysis to a maximum height H obtained by 3-D image analysis of greater than 1.5 and less than 1.9.
摘要翻译： 静电荷图像显影调色剂包括调色剂颗粒和外部添加剂。 调色剂颗粒是（1）通过在树脂颗粒分散的原料分散体中聚集树脂颗粒而形成凝集颗粒而制备的，并且通过加热凝集颗粒分散的凝集颗粒分散体使聚集颗粒聚结 形成调色剂颗粒，或（2）通过捏合和粉碎包含粘合剂树脂和脱模剂的材料获得的，外部添加剂是平均直径在100nm至500nm范围内的二氧化硅颗粒，平均直径 圆度为0.5〜0.85，通过平面图像分析获得的圆当量直径Da与通过3-D图像分析获得的最大高度H的比值大于1.5且小于1.9的平均值。
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