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1. 发明专利

JP2011128574A Method for producing developing agent 审中-公开
标题翻译：生产发酵剂的方法
公开(公告)号：JP2011128574A
公开(公告)日：2011-06-30
申请号：JP2009291347
申请日：2009-12-22
申请人： Toshiba Corp , Toshiba Tec Corp , 東芝テック株式会社 , 株式会社東芝
发明人： URABE TAKASHI , AOKI TAKAYASU , ITO GOJI , UDO MOTONARI , ARAKI SATOSHI , IKUTA MASAHIRO , HARA TAKASHI
IPC分类号： G03G9/087 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To obtain a developing agent having a sharper particle size distribution.
SOLUTION: In a method for producing the developing agent, in the formation of aggregated particles, particles in a dispersion liquid have a volume average particle size of 2 μm or less when the pH of the dispersion liquid is 7, and also the pH of the dispersion liquid is from 3.0 to 6.9 when the zeta potential of the particles is -30 mV.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：获得具有更清晰的粒度分布的显影剂。解决方案：在制造显影剂的方法中，在形成凝集颗粒时，分散液中的颗粒当分散液的pH为7时的体积平均粒径为2μm以下，当粒子的ζ电位为-30mV时，分散液的pH为3.0〜6.9。版权所有（C）2011，JPO＆INPIT

2. 发明专利

JP2010122677A Method for manufacturing developer 审中-公开
标题翻译：制造开发商的方法
公开(公告)号：JP2010122677A
公开(公告)日：2010-06-03
申请号：JP2009256487
申请日：2009-11-09
申请人： Toshiba Corp , Toshiba Tec Corp , 東芝テック株式会社 , 株式会社東芝
发明人： HARA TAKASHI , URABE TAKASHI , AOKI TAKAYASU , ITO GOJI , IKUTA MASAHIRO , UDO MOTONARI , ARAKI SATOSHI
IPC分类号： G03G9/087 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To obtain toner particles, which have more uniform composition and are small in particle diameter, by preventing clogging in a nozzle or a check valve and stably producing fine particles.
SOLUTION: When a dispersion liquid is prepared by mixing a granular mixture of a toner material and an aqueous medium, a surfactant is used to control the surface tension of the dispersion liquid to not less than 50 mN/m.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：通过防止喷嘴或止回阀中的堵塞并且稳定地生产细颗粒，获得具有更均匀的组成并且粒径小的调色剂颗粒。解决方案：当通过混合调色剂材料和水性介质的颗粒混合物制备分散液体时，使用表面活性剂将分散液的表面张力控制在不小于50mN / m。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2010072642A Method of manufacturing developer 有权
标题翻译：制造开发商的方法
公开(公告)号：JP2010072642A
公开(公告)日：2010-04-02
申请号：JP2009211040
申请日：2009-09-11
申请人： Toshiba Corp , Toshiba Tec Corp , 東芝テック株式会社 , 株式会社東芝
发明人： UDO MOTONARI , AOKI TAKAYASU , URABE TAKASHI , ITO GOJI , NODA YASUHITO , ARAKI SATOSHI , IKUTA MASAHIRO , HARA TAKASHI , MATSUMOTO ASUMI
IPC分类号： G03G9/087 , C08J3/16 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a developer excellent in charging characteristics and having a sharp particle size distribution. SOLUTION: The method includes: preparing a dispersion liquid containing 1 ppm to 0.5 wt.% of an anionic surfactant having a molecular weight of 100-1,000; applying mechanical shear to the dispersion liquid to obtain toner fine particles; and adding a monovalent acid salt to the dispersion liquid containing the toner fine particles in a weight ratio of the acid salt to the anionic surfactant of 1:1.5 to 1:30 to aggregate the toner fine particles. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种制造充电特性优异且具有尖锐的粒度分布的显影剂的方法。解决方案：该方法包括：制备含有1ppm至0.5重量％的分子量为100-1,000的阴离子表面活性剂的分散液; 对分散液施加机械剪切，得到调色剂微粒; 并将含有调色剂微粒的分散液中的酸式盐与阴离子表面活性剂的重量比为1:1.5〜1:30添加1以使得调色剂微粒聚集。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2009244883A Method for producing developing agent 审中-公开
标题翻译：生产发酵剂的方法
公开(公告)号：JP2009244883A
公开(公告)日：2009-10-22
申请号：JP2009087120
申请日：2009-03-31
申请人： Toshiba Corp , Toshiba Tec Corp , 東芝テック株式会社 , 株式会社東芝
发明人： HARA TAKASHI , URABE TAKASHI , AOKI TAKAYASU , ITO GOJI , NODA YASUHITO , UDO MOTONARI , ARAKI SATOSHI , IKUTA MASAHIRO , MATSUMOTO ASUMI , GOTO YASUO
IPC分类号： G03G9/087
CPC分类号： G03G9/0815 , G03G9/0804 , G03G9/081 , G03G9/0819 , G03G9/0827 , G03G9/08755 , G03G9/08795
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a toner and a developing agent such that reduction in particle size and shape control are achieved and excellent images are formed.
SOLUTION: In the method for producing the toner and developing agent, a surfactant of at least one of an acid having a surface activating function and a salt having a surface activating function is added, in an amount of 0.1 to 5% by weight of the total weight of the developing agent, to a dispersion liquid prepared by dispersing a granular mixture obtained by mixing, melt-kneading, and further pulverizing toner materials into an aqueous medium, and the granular mixture is atomized by applying mechanical shearing force thereto in a heated and molten state.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种制造调色剂和显影剂的方法，使得能够实现粒度和形状控制的减小并形成优异的图像。解决方案：在调色剂和显影剂的制造方法中，加入具有表面活化功能的酸中的至少一种表面活性剂和具有表面活化功能的盐的表面活性剂，其量为0.1〜5％通过将通过将调色剂材料混合，熔融捏合和进一步粉碎到水性介质中而获得的颗粒混合物分散而制备的分散液，并且将颗粒状混合物通过施加机械剪切力而雾化处于加热和熔融状态。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2008268958A Manufacturing method of developer 审中-公开
标题翻译：开发商的制造方法
公开(公告)号：JP2008268958A
公开(公告)日：2008-11-06
申请号：JP2008108121
申请日：2008-04-17
申请人： Toshiba Corp , Toshiba Tec Corp , 東芝テック株式会社 , 株式会社東芝
发明人： IKUTA MASAHIRO , AOKI TAKAYASU , URABE TAKASHI , ITO GOJI , UDO MOTONARI , ARAKI SATOSHI
IPC分类号： G03G9/087 , G03G9/08
CPC分类号： G03G9/0806 , G03G9/0812 , G03G9/08755 , G03G9/0918
摘要： PROBLEM TO BE SOLVED: To provide a method for manufacturing a developer capable of forming an image excellent in colorability and transparency.
SOLUTION: The method has a step of preparing a dispersion of particles containing a binder resin and a coloring agent, and a step of forming toner particles by flocculating and fusing the particles. When the dispersion of the particles is so prepared that the solid component concentration in the dispersion of the particles is 1 ppm. the coarse particles having a grain size of ≥0.6 μm are
摘要翻译：要解决的问题：提供一种能够形成可着色性和透明度优异的图像的显影剂的方法。解决方案：该方法具有制备含有粘合剂树脂和着色剂的颗粒的分散体的步骤，以及通过使颗粒絮凝和熔融来形成调色剂颗粒的步骤。当如此制备颗粒的分散体使得颗粒分散体中的固体组分浓度为1ppm时。颗粒尺寸≥0.6μm的粗颗粒在颗粒分散体的1微升中的数量<3,000。版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2008139874A Developer and method for manufacturing developer 审中-公开
标题翻译：开发商和制造开发商的方法
公开(公告)号：JP2008139874A
公开(公告)日：2008-06-19
申请号：JP2007303321
申请日：2007-11-22
申请人： Toshiba Corp , Toshiba Tec Corp , 東芝テック株式会社 , 株式会社東芝
发明人： UDO MOTONARI , AOKI TAKAYASU , URABE TAKASHI , ITO GOJI , ARAKI SATOSHI , IKUTA MASAHIRO
IPC分类号： G03G9/087 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To obtain a developer with reduced charge amount variation and water absorption without lowering yield.
SOLUTION: A method of manufacturing the developer includes a step of carrying out polymerization using a binder resin material dispersion liquid containing a styrene monomer, a compound containing a sulfonic acid or sulfonate having one or more unsaturated bonds and an acrylic ester monomer, wherein the contents of the styrene monomer, the compound and the acrylic ester monomer are 60-90 mol%, 1 mol ppm to 10 mol% and 10-40 mol%, respectively.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：获得具有降低的电荷量变化和吸水性的显影剂，而不降低产率。解决方案：制造显影剂的方法包括使用包含苯乙烯单体，含有具有一个或多个不饱和键的磺酸或磺酸盐的化合物和丙烯酸酯单体的粘合剂树脂材料分散液进行聚合的步骤，其中苯乙烯单体，化合物和丙烯酸酯单体的含量分别为60-90摩尔％，1摩尔ppm至10摩尔％和10-40摩尔％。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2014137503A Developer, manufacturing method of the same, and toner cartridge 审中-公开
标题翻译：开发商，其制造方法和调色剂盒
公开(公告)号：JP2014137503A
公开(公告)日：2014-07-28
申请号：JP2013006588
申请日：2013-01-17
申请人： Toshiba Corp , 株式会社東芝 , Toshiba Tec Corp , 東芝テック株式会社
发明人： ARAKI SATOSHI
IPC分类号： G03G9/08 , G03G9/087 , G03G15/08
CPC分类号： G03G9/08755 , G03G9/0815 , G03G9/0821 , G03G9/0825 , G03G9/08797
摘要： PROBLEM TO BE SOLVED: To provide a developer capable of achieving both low-temperature fixability and storage stability.SOLUTION: According to an embodiment, there is provided a developer that includes toner particles containing a crystalline polyester resin, an amorphous polyester resin, and a coloring material. The entire toner particles have the glass transition temperature Tgt of 30°C to 45°C, and the surface of the toner particles has the glass transition temperature Tgs of 50°C to 70°C.
摘要翻译：要解决的问题：提供能够实现低温定影性和储存稳定性的显影剂。解决方案：根据一个实施方案，提供一种显影剂，其包含含有结晶性聚酯树脂，无定形聚酯树脂和着色材料。整个调色剂颗粒的玻璃化转变温度Tgt为30℃至45℃，调色剂颗粒的表面的玻璃化转变温度Tg为50℃至70℃。

8. 发明专利

JP2011053556A Method of manufacturing developer 审中-公开
标题翻译：制造开发商的方法
公开(公告)号：JP2011053556A
公开(公告)日：2011-03-17
申请号：JP2009203917
申请日：2009-09-03
申请人： Toshiba Corp , Toshiba Tec Corp , 東芝テック株式会社 , 株式会社東芝
发明人： AOKI TAKAYASU , URABE TAKASHI , ITO GOJI , UDO MOTONARI , ARAKI SATOSHI , TAKANO HIROSHI , IKUTA MASAHIRO , HARA TAKASHI , HIGASHITANI KO , NIITO HIROYUKI
IPC分类号： G03G9/087 , B02C19/00 , B02C19/06 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To provide a method of manufacturing a developer having homogeneous particle size without using an organic solvent.
SOLUTION: This method of manufacturing the developer has a possess of atomizing toner material particles by passing dispersion liquid through a high voltage homogenizer device having a nozzle part having an orifice part. Dissipation energy E is expressed by 1.0×10
13 ≤ΔP×u/(2.5d)≤5.0×10
14 (J/m
3 s). Here, ΔP is difference (Pa) between pressures in front of the orifice part and in the orifice part, u is flow rate (m/s) in the orifice part, and d is orifice diameter (m).
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：待解决的问题：提供一种在不使用有机溶剂的情况下制造具有均匀粒径的显影剂的方法。解决方案：这种制造显影剂的方法具有通过使分散液通过具有具有孔口部分的喷嘴部分的高压均化器装置来雾化调色剂材料颗粒的方法。耗散能量E由1.0×10 ≤ΔP×u /（2.5d）≤5.0×10 14 （J / m 3 S）。这里，ΔP是在孔部前面和孔部之间的压力之间的差（Pa），u是孔部的流量（m / s），d是孔直径（μm）。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2011018045A Developer and method of manufacturing the same 审中-公开
标题翻译：开发商及其制造方法
公开(公告)号：JP2011018045A
公开(公告)日：2011-01-27
申请号：JP2010156030
申请日：2010-07-08
申请人： Toshiba Corp , Toshiba Tec Corp , 東芝テック株式会社 , 株式会社東芝
发明人： GOTO YASUO , SATO SHUITSU , AOKI TAKAYASU , URABE TAKASHI , HARA TAKASHI , ITO GOJI , NODA YASUHITO , ARAKI SATOSHI , UDO MOTONARI , IKUTA MASAHIRO , TAKANO HIROSHI , ISHIKAWA JUNICHI
IPC分类号： G03G9/087 , G03G9/08
摘要： PROBLEM TO BE SOLVED: To provide a developer having satisfactory storage stability and fixing performance.SOLUTION: The method of manufacturing developer includes: a step of mixing a mixture which comprises a binder resin and a colorant and is granulated, with an aqueous medium to form dispersion liquid; a step of subjecting the dispersion liquid to mechanical shear and pulverizing the granulated mixture to form fine particles; a step of agglomerating the fine particles to form agglomerated particles; a step of, thereafter, adding dispersion liquid containing polymethyl methacrylate particles having a glass transition temperature of Tg2 higher than Tg1 to the dispersion liquid containing the agglomerated particles; and a step of attaching polymethyl methacrylate particles to the surface of the agglomerated particles at a temperature higher than Tg1 and lower than the temperature of Tg2-10°C to subject the agglomerated particles to an indeterminate forming process.
摘要翻译：要解决的问题：提供具有满意的储存稳定性和定影性能的显影剂。解决方案：制造显影剂的方法包括：将含有粘合剂树脂和着色剂的混合物与水性介质混合以形成的步骤分散液对分散液进行机械剪切并粉碎造粒混合物以形成细颗粒的步骤; 使细颗粒附聚以形成附聚颗粒的步骤; 此后，将含有玻璃化转变温度Tg2高于Tg1的聚甲基丙烯酸甲酯颗粒的分散液添加到含有附聚颗粒的分散液中; 以及在高于Tg1且低于Tg2-10℃的温度下将聚甲基丙烯酸甲酯颗粒附着到附聚颗粒的表面的步骤，以使附聚颗粒成为不确定的形成过程。

10. 发明专利

JP2010282208A Developer and method of producing the same 审中-公开
标题翻译：开发者及其生产方法
公开(公告)号：JP2010282208A
公开(公告)日：2010-12-16
申请号：JP2010128219
申请日：2010-06-03
申请人： Toshiba Corp , Toshiba Tec Corp , 東芝テック株式会社 , 株式会社東芝
发明人： ISHIKAWA JUNICHI , ITO GOJI , NODA YASUHITO , ARAKI SATOSHI , UDO MOTONARI , AOKI TAKAYASU , URABE TAKASHI , IKUTA MASAHIRO , GOTO YASUO , TAKANO HIROSHI , HARA TAKASHI
IPC分类号： G03G9/087
CPC分类号： G03G9/08795 , G03G9/0804 , G03G9/081 , G03G9/0819 , G03G9/08755
摘要： PROBLEM TO BE SOLVED: To produce a favorable developer having a uniform particle size distribution at low cost.
SOLUTION: In a method of producing the developer, a coarsely granulated mixture formed of a toner material containing a colorant and a binder resin is atomized by mechanical shearing, aggregated, and fused. The solid concentration of a dispersion liquid containing aggregated particles is 5.0-40.0%, the volume average particle size of the aggregated particles is 1.0-10.0 μm, and the percentage of standard deviation from the volume average particle size is 30.0% or lower.
COPYRIGHT: (C)2011,JPO&INPIT

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