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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：US09416015B2
公开(公告)日：2016-08-16
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
IPC分类号： C01B33/12 , C01B33/148 , C01B33/141 , C01B33/145 , C01B33/146
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：US08962139B2
公开(公告)日：2015-02-24
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 nm, 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〜300nm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：US08871344B2
公开(公告)日：2014-10-28
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
IPC分类号： C01B33/12 , C01B33/00 , C01B33/146 , C01B33/145
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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6.发明授权Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method 有权静电荷图像显影调色剂，静电荷图像显影剂，调色剂盒，处理盒，成像设备和图像形成方法公开(公告)号：US08628900B2
公开(公告)日：2014-01-14
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
IPC分类号： G03G9/00
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：US08431633B2
公开(公告)日：2013-04-30
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
IPC分类号： B32B27/14
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：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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