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1. 发明专利

JP2013077003A Production method of toner 有权
标题翻译：调色剂的生产方法
公开(公告)号：JP2013077003A
公开(公告)日：2013-04-25
申请号：JP2012201093
申请日：2012-09-13
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： TADA KEISUKE , UEHARA KENICHI , MISAWA TASUKE , OIKAWA AYUMI , ENDO HISASHI
IPC分类号： G03G9/087 , G03G9/08 , G03G9/097
CPC分类号： G03G9/0804 , G03G9/0821 , G03G9/0825 , G03G9/087 , G03G9/08755 , G03G9/08795 , G03G9/08797 , G03G2215/0626 , G03G2215/16 , G03G2215/20
摘要： PROBLEM TO BE SOLVED: To provide a toner for electrostatic charge image development, the toner giving sufficient image density and achieving reduction in an amount of toner adhesion per unit area on a recording medium such as paper, and to provide a production method of the toner for electrostatic charge image development and an image forming method.SOLUTION: The production method of a toner includes steps of: preparing a first liquid by dissolving or dispersing a toner material containing a binder resin and/or a binder resin precursor in an organic solvent; preparing a second liquid by dispersing the first liquid in an aqueous medium containing a dispersant; forming particles by removing the organic solvent from the second liquid; washing the particles; preparing a third liquid by, while dispersing or after dispersing the washed particles in an aqueous medium, heating the medium to a temperature equal to or higher than the Tg of the toner and equal to or lower than Tg+25°C; forming base particles by adding a charge control agent to the third liquid; and obtaining a toner by adding an external additive to the base particles. The toner has a cross-sectional porosity of 0.1% or more and 15.0% or less.
摘要翻译：要解决的问题：为了提供用于静电荷图像显影的调色剂，调色剂具有足够的图像密度并且在诸如纸的记录介质上实现单位面积上的调色剂附着量的减少，并且提供制造方法的静电荷图像显影用调色剂和图像形成方法。调色剂的制备方法包括以下步骤：通过将含有粘合剂树脂和/或粘合剂树脂前体的调色剂材料溶解或分散在有机溶剂中来制备第一液体; 通过将第一液体分散在含有分散剂的水性介质中来制备第二液体; 通过从第二液体中除去有机溶剂形成颗粒; 洗涤颗粒; 通过在将洗涤过的颗粒分散在水性介质中之后分散或分散第三液体，将介质加热到等于或高于调色剂的Tg并等于或低于Tg + 25℃的温度; 通过向第三液体中加入电荷控制剂形成基础颗粒; 并通过向基础颗粒中加入外部添加剂来获得调色剂。调色剂的截面孔隙率为0.1％以上且15.0％以下。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2014195793A 流動体攪拌装置、流動体攪拌方法及びトナー製造方法有权
标题翻译：流体动力装置，流体动力学方法和压块生产方法
公开(公告)号：JP2014195793A
公开(公告)日：2014-10-16
申请号：JP2013135242
申请日：2013-06-27
申请人：株式会社リコー , Ricoh Co Ltd
发明人： MIZUNO SATORU , KAMEI YASUYUKI , TADA KEISUKE , TAKAHASHI NAOKI
IPC分类号： B01F5/00 , B01F3/08 , B01F3/12 , B01F5/06 , G03G9/087
CPC分类号： B01F5/0615 , B01F2005/0636
摘要：【課題】より短い流路管で効率的に攪拌を行うことが可能な静止型の流動体攪拌装置、並びに、これを用いた流動体攪拌方法及びトナー製造方法を提供する。【解決手段】内部を流動体が通過する流路管1と、流路管1内に配置され、流路管1内を通過する流動体が通過方向に平行な中心軸周りを旋回して螺旋状の流れを形成するように流動体を案内する螺旋流形成部材である羽根部材2と、を有する流動体攪拌装置10で、流路管1の内壁面から内側に向かって突出し、羽根部材2によって形成される螺旋状の流れを乱す螺旋流乱し部材である邪魔板3を備える。【選択図】図1
摘要翻译：要解决的问题：提供一种能够在较短的通道管中有效地实现搅拌的静态流体搅拌装置，使用其的流体搅拌方法和调色剂生产方法。在流体搅拌装置10中，包括：流体通道管1将流体内部通过; 以及叶片构件2，其布置在流动通道管1中，并且是引导流体的螺旋流形成构件，从而通过使流过通道管1的流体围绕平行的中心轴旋转而形成螺旋流在通过方向上，设置有从流路管1的内壁面向内突出并干扰由叶片构件2产生的螺旋流的构件的挡板3。

3. 发明专利

JP2011123215A Method of manufacturing toner 有权
标题翻译：制造墨粉的方法
公开(公告)号：JP2011123215A
公开(公告)日：2011-06-23
申请号：JP2009279821
申请日：2009-12-09
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： WATANABE JUNICHI , UEHARA KENICHI , KOEDA JUNYA , MISAWA TASUKE , TADA KEISUKE , HIRATA MIYUKI
IPC分类号： G03G9/087
CPC分类号： G03G9/0804 , G03G9/0821 , G03G9/08755
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing toner having excellent chargeability and capable of suppressing decrease in the chargeability even when the toner or base particles are exposed to a high-temperature and high-humidity atmosphere.
SOLUTION: The method of manufacturing toner includes steps of: preparing a first liquid by dissolving or dispersing a toner material containing a binder resin and/or a precursor of the binder resin in an organic solvent; preparing a second liquid by dispersing the first liquid in an aqueous medium containing a dispersant; producing particles by removing the organic solvent from the second liquid; washing the particles; preparing a third liquid by dispersing the washed particles in an aqueous medium and heating the second aqueous medium while or after dispersing the washed particles therein; and producing base particles by adding a charge controlling agent to the third liquid. The ratio of the BET specific surface area of the base particles after stored in an environment at 40°C and 70%RH for two weeks to the BET specific surface area of particles included in the third liquid is 0.60 or more and 1.00 or less.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种制造具有优异的带电性的调色剂的方法，并且即使当调色剂或基底颗粒暴露于高温高湿气氛时也能够抑制带电性的降低。解决方案：制造调色剂的方法包括以下步骤：通过将含有粘合剂树脂和/或粘合剂树脂的前体的调色剂材料溶解或分散在有机溶剂中来制备第一液体; 通过将第一液体分散在含有分散剂的水性介质中来制备第二液体; 通过从第二液体中除去有机溶剂来生产颗粒; 洗涤颗粒; 通过将洗涤的颗粒分散在水性介质中并在将洗涤的颗粒分散在其中之后加热第二水性介质来制备第三液体; 并通过向第三液体中加入电荷控制剂来生产基础颗粒。在40℃，70％RH的环境下保存2周后的基础粒子的BET比表面积与包含在第3液体中的粒子的BET比表面积的比例为0.60以上且1.00以下。版权所有（C）2011，JPO＆INPIT

4. 发明专利

AU2012309333A1 Method for manufacturing toner, toner and image forming method 未知
公开(公告)号：AU2012309333A1
公开(公告)日：2014-03-27
申请号：AU2012309333
申请日：2012-09-12
申请人： RICOH CO LTD
发明人： TADA KEISUKE , UEHARA KENICHI , MISAWA DAISUKE , OIKAWA AYUMI , ENDOH HIROSHI
IPC分类号： G03G9/087 , G03G9/08
摘要： A method for manufacturing a toner, including at least: dissolving or dispersing a toner material including at least any one of a binder resin and a precursor of a binder resin in an organic solvent which is dispersed in a dispersant-including aqueous medium; forming particles by removing the organic solvent; washing the particles; forming voids in the particles by heating to a temperature T while or after dispersing the particles in an aqueous medium; forming toner base particles by adding a charge controlling agent; and adding an external additive to the toner base particles to obtain toner particles, wherein the T is between a glass transition temperature Tg of the toner particles and Tg + 25°C, and the toner has a cross-sectional void fraction Sp/St of 0.1% to 15.0%, where St is a cross-sectional area of the toner particles, and Sp is a cross-sectional area of the voids.

5. 发明专利

AU2012309333B2 Method for manufacturing toner, toner and image forming method 未知
公开(公告)号：AU2012309333B2
公开(公告)日：2015-01-22
申请号：AU2012309333
申请日：2012-09-12
申请人： RICOH CO LTD
发明人： TADA KEISUKE , UEHARA KENICHI , MISAWA DAISUKE , OIKAWA AYUMI , ENDOH HIROSHI
IPC分类号： G03G9/087 , G03G9/08
摘要： A method for manufacturing a toner, including at least: dissolving or dispersing a toner material including at least any one of a binder resin and a precursor of a binder resin in an organic solvent which is dispersed in a dispersant-including aqueous medium; forming particles by removing the organic solvent; washing the particles; forming voids in the particles by heating to a temperature T while or after dispersing the particles in an aqueous medium; forming toner base particles by adding a charge controlling agent; and adding an external additive to the toner base particles to obtain toner particles, wherein the T is between a glass transition temperature Tg of the toner particles and Tg + 25°C, and the toner has a cross-sectional void fraction Sp/St of 0.1% to 15.0%, where St is a cross-sectional area of the toner particles, and Sp is a cross-sectional area of the voids.

6. 发明公开

EP2756357A4 METHOD FOR MANUFACTURING TONER, TONER AND IMAGE FORMING METHOD 有权
标题翻译：用于生产碳粉，碳粉和成像过程
公开(公告)号：EP2756357A4
公开(公告)日：2015-02-25
申请号：EP12832325
申请日：2012-09-12
申请人： RICOH CO LTD
发明人： TADA KEISUKE , UEHARA KENICHI , MISAWA DAISUKE , OIKAWA AYUMI , ENDOH HIROSHI
IPC分类号： G03G9/087 , G03G9/08
CPC分类号： G03G9/0804 , G03G9/0821 , G03G9/0825 , G03G9/087 , G03G9/08755 , G03G9/08795 , G03G9/08797 , G03G2215/0626 , G03G2215/16 , G03G2215/20

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