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公开(公告)号:US07846634B2
公开(公告)日:2010-12-07
申请号:US11947895
申请日:2007-11-30
申请人: Takashi Urabe , Satoshi Araki , Takayasu Aoki , Tsuyoshi Ito , Yasuhito Noda , Motonari Udo , Masahiro Ikuta , Takafumi Hara
发明人: Takashi Urabe , Satoshi Araki , Takayasu Aoki , Tsuyoshi Ito , Yasuhito Noda , Motonari Udo , Masahiro Ikuta , Takafumi Hara
IPC分类号: G03G9/08
CPC分类号: G03G9/0804 , G03G9/081
摘要: A developing agent including a toner particle obtained by using a dispersion containing a solvent, a granular mixed compound having a binder resin and a coloring agent dispersed in the solvent, and, as an additive to disperse a compound, a combination of a surfactant and a basic compound or a combination of a sulfone-based surfactant and a polycarboxylic acid-based surfactant, wherein the additive remaining in the developing agent is within a predetermine range.
摘要翻译: 一种显影剂,其包括通过使用含有溶剂的分散体,具有粘合剂树脂的颗粒状混合化合物和分散在溶剂中的着色剂获得的调色剂颗粒,作为分散化合物的添加剂,表面活性剂和 碱性化合物或基于砜的表面活性剂和多元羧酸类表面活性剂的组合,其中残留在显影剂中的添加剂在预定范围内。
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公开(公告)号:US20080131808A1
公开(公告)日:2008-06-05
申请号:US11947895
申请日:2007-11-30
申请人: Takashi Urabe , Satoshi Araki , Takayasu Aoki , Tsuyoshi Ito , Yasuhito Noda , Motonari Udo , Masahiro Ikuta , Takafumi Hara
发明人: Takashi Urabe , Satoshi Araki , Takayasu Aoki , Tsuyoshi Ito , Yasuhito Noda , Motonari Udo , Masahiro Ikuta , Takafumi Hara
IPC分类号: G03G9/12
CPC分类号: G03G9/0804 , G03G9/081
摘要: A developing agent including a toner particle obtained by using a dispersion containing a solvent, a granular mixed compound having a binder resin and a coloring agent dispersed in the solvent, and, as an additive to disperse a compound, a combination of a surfactant and a basic compound or a combination of a sulfone-based surfactant and a polycarboxylic acid-based surfactant, wherein the additive remaining in the developing agent is within a predetermine range.
摘要翻译: 包含通过使用含有溶剂的分散体,具有粘合剂树脂的粒状混合化合物和分散在溶剂中的着色剂得到的调色剂颗粒的显影剂,作为分散化合物的添加剂,表面活性剂和 碱性化合物或基于砜的表面活性剂和多元羧酸类表面活性剂的组合,其中残留在显影剂中的添加剂在预定范围内。
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公开(公告)号:US20090130579A1
公开(公告)日:2009-05-21
申请号:US12255380
申请日:2008-10-21
申请人: Masahiro Ikuta , Takayasu Aoki , Takashi Urabe , Tsuyoshi Ito , Yasuhito Noda , Motonari Udo , Satoshi Araki , Takafumi Hara
发明人: Masahiro Ikuta , Takayasu Aoki , Takashi Urabe , Tsuyoshi Ito , Yasuhito Noda , Motonari Udo , Satoshi Araki , Takafumi Hara
CPC分类号: G03G9/0804 , G03G9/08795 , G03G9/08797
摘要: A method for manufacturing a developing agent includes forming a toner particle by adding an aggregating agent to a dispersion containing fine particles containing a binder resin and a colorant to allow aggregation and melt adhesion to occur, wherein the pH of the dispersion satisfies the formula (1) below, when denoting pH before the addition of the aggregating agent by pH(A), the pH of the dispersion after the addition of the aggregating agent by pH(B), and the pH of the dispersion after the melt adhesion by pH(C): 0.90≧pH(C)/pH(A)≧0.25 and 1.00≧pH(C)/pH(B)≧0.30 (1).
摘要翻译: 制造显影剂的方法包括通过在包含含有粘合剂树脂和着色剂的细颗粒的分散体中加入聚集剂形成调色剂颗粒,以使聚集和熔融粘附发生,其中分散体的pH满足式(1 ),在通过pH(A)添加聚集剂之前表示pH值时,通过pH(B)添加聚集剂后的分散体的pH以及通过pH熔融粘合后的分散体的pH( C):<?in-line-formula description =“In-line formula”end =“lead”?> 0.90> = pH(C)/ pH(A)> = 0.25和1.00> = pH(C)/ pH (B)> = 0.30(1)。<?in-line-formula description =“In-line Formulas”end =“tail”?>
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公开(公告)号:US20100310981A1
公开(公告)日:2010-12-09
申请号:US12792132
申请日:2010-06-02
申请人: Junichi Ishikawa , Takayasu Aoki , Tsuyoshi Itou , Yasuhito Noda , Motonari Udo , Satoshi Araki , Masahiro Ikuta , Takafumi Hara , Takashi Urabe , Taishi Takano , Yasuo Goto
发明人: Junichi Ishikawa , Takayasu Aoki , Tsuyoshi Itou , Yasuhito Noda , Motonari Udo , Satoshi Araki , Masahiro Ikuta , Takafumi Hara , Takashi Urabe , Taishi Takano , Yasuo Goto
CPC分类号: G03G9/08795 , G03G9/0804 , G03G9/081 , G03G9/0819 , G03G9/08755
摘要: According to one embodiment, a method for producing a developing agent includes pulverizing a mixture in the form of coarse particles of a toner material including a coloring agent and a binder resin by mechanical shearing, aggregating and fusing the resulting fine particles. The solid content concentration in a dispersion liquid including the aggregated particles is from 5.0% to 40.0%, the volume average particle diameter of the aggregated particles is from 1.0 μm to 10.0 μm, and the ratio of the standard deviation to the volume average particle diameter is 30.0% or less.
摘要翻译: 根据一个实施方案,用于生产显影剂的方法包括通过机械剪切来粉碎包括着色剂和粘合剂树脂的调色剂材料的粗颗粒形式的混合物,使所得到的微粒聚集和熔融。 包含凝集粒子的分散液中的固体成分浓度为5.0〜40.0%,凝集粒子的体积平均粒径为1.0〜10.0μm,标准偏差与体积平均粒径的比率 为30.0%以下。
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公开(公告)号:US20100009281A1
公开(公告)日:2010-01-14
申请号:US12500085
申请日:2009-07-09
申请人: Tsuyoshi Itou , Takayasu Aoki , Takashi Urabe , Yasuhito Noda , Motonari Udo , Satoshi Araki , Masahiro Ikuta , Takafumi Hara , Asumi Matsumoto
发明人: Tsuyoshi Itou , Takayasu Aoki , Takashi Urabe , Yasuhito Noda , Motonari Udo , Satoshi Araki , Masahiro Ikuta , Takafumi Hara , Asumi Matsumoto
CPC分类号: G03G9/08795 , G03G9/0804 , G03G9/0808 , G03G9/0819 , G03G9/08755 , G03G9/08797 , G03G9/09708
摘要: The method for producing a developing agent according to the invention contains subjecting the toner material dispersion liquid to mechanical shearing to make the granular mixture into fine particles, thereby providing a dispersion liquid containing fine particles having a smaller particle diameter than a particle diameter of the granular mixture. The toner material dispersion liquid is subjected to mechanical shearing under a temperature of a glass transition point Tg of the binder resin or more and a pressure of 10 MPa or more, and the resulting dispersion liquid containing the fine particles is depressurized with two or more stages while maintaining the temperature of a glass transition point Tg of the binder resin or more and then cooled to a temperature of a glass transition point Tg of the binder resin or less.
摘要翻译: 根据本发明的显影剂的制造方法包括使调色剂分散液进行机械剪切以使颗粒状混合物成为细颗粒,从而提供包含比颗粒的粒径小的粒径的分散液 混合物。 调色剂分散液在粘合剂树脂的玻璃化转变点Tg的温度和10MPa以上的压力的温度下进行机械剪切,将所得到的含有微粒的分散液用两级以上的级 同时保持粘合剂树脂的玻璃化转变点Tg的温度以上,然后冷却至粘合剂树脂的玻璃化转变点Tg的温度以下。
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公开(公告)号:US07960086B2
公开(公告)日:2011-06-14
申请号:US12266260
申请日:2008-11-06
申请人: Takayasu Aoki , Takashi Urabe , Takafumi Hara , Tsuyoshi Itou , Masahiro Ikuta , Motonari Udo , Yasuhito Noda , Satoshi Araki , Asumi Matsumoto
发明人: Takayasu Aoki , Takashi Urabe , Takafumi Hara , Tsuyoshi Itou , Masahiro Ikuta , Motonari Udo , Yasuhito Noda , Satoshi Araki , Asumi Matsumoto
IPC分类号: G03G9/08
CPC分类号: G03G9/0806 , G03G9/0819 , G03G9/0827 , G03G9/08755 , G03G9/09708
摘要: A coarse particle containing a polyester based resin and a coloring agent is added in an aqueous medium containing a surfactant, a basic substance and an inorganic water-soluble electrolyte, and dispersion and coagulation are carried out to form a toner particle.
摘要翻译: 将含有聚酯类树脂和着色剂的粗粒子加入含有表面活性剂,碱性物质和无机水溶性电解质的水性介质中,进行分散凝固,形成调色剂颗粒。
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公开(公告)号:US20100009276A1
公开(公告)日:2010-01-14
申请号:US12500070
申请日:2009-07-09
申请人: Takayasu Aoki , Asumi Matsumoto , Takashi Urabe , Tsuyoshi Itou , Motonari Udo , Satoshi Araki , Masahiro Ikuta , Takafumi Hara , Yasuhito Noda
发明人: Takayasu Aoki , Asumi Matsumoto , Takashi Urabe , Tsuyoshi Itou , Motonari Udo , Satoshi Araki , Masahiro Ikuta , Takafumi Hara , Yasuhito Noda
CPC分类号: G03G9/0804 , G03G9/0819 , G03G9/08755
摘要: In a method for producing a developing agent by coagulating a toner fine particle dispersion including a toner fine particle, an aqueous medium and a dispersant to obtain a toner particle, the coagulation is carried out only by pH adjustment, the dispersant is a surfactant, and a concentration of the surfactant is a concentration of not more than a critical micell concentration of the toner material dispersion.
摘要翻译: 在通过使包含调色剂微粒,水性介质和分散剂的调色剂微粒分散体凝结得到调色剂颗粒的显影剂的制造方法中,凝聚仅通过pH调节进行,分散剂是表面活性剂,和 表面活性剂的浓度为调色剂材料分散体的临界胶束浓度以下的浓度。
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公开(公告)号:US20090155702A1
公开(公告)日:2009-06-18
申请号:US12330957
申请日:2008-12-09
申请人: Masahiro Ikuta , Takayasu Aoki , Takashi Urabe , Tsuyoshi Itou , Yasuhito Noda , Motonari Udo , Satoshi Araki , Takafumi Hara , Asumi Matsumoto
发明人: Masahiro Ikuta , Takayasu Aoki , Takashi Urabe , Tsuyoshi Itou , Yasuhito Noda , Motonari Udo , Satoshi Araki , Takafumi Hara , Asumi Matsumoto
CPC分类号: G03G9/0806 , G03G9/09741 , G03G9/0975
摘要: After fine particles containing a binder resin and a coloring agent are agglomerated in a dispersion liquid to form agglomerated particles, an inverting agent which inverts a sign of a zeta potential of the agglomerated particles is added to the dispersion liquid to stabilize the agglomerated particles, and then, the agglomerated particles are fused.
摘要翻译: 将含有粘合剂树脂和着色剂的微粒子在分散液中凝集形成凝集粒子后,将分散液中的凝结粒子的ζ电位反转的反转剂加入分散液中,使凝聚的粒子稳定, 然后,凝聚的颗粒被熔化。
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公开(公告)号:US20090136864A1
公开(公告)日:2009-05-28
申请号:US12244251
申请日:2008-10-02
申请人: Tsuyoshi Itou , Takayasu Aoki , Takashi Urabe , Motonari Udo , Yasuhito Noda , Satoshi Araki , Masahiro Ikuta , Takafumi Hara
发明人: Tsuyoshi Itou , Takayasu Aoki , Takashi Urabe , Motonari Udo , Yasuhito Noda , Satoshi Araki , Masahiro Ikuta , Takafumi Hara
CPC分类号: G03G9/0804 , G03G9/0819 , G03G9/08755 , G03G9/09741
摘要: It is intended to provide a method includes the step of forming agglomerated particles by agglomerating fine particulate mixture containing a binder resin and a colorant. In the step of forming agglomerated particles, a cationic organic coagulating agent having an average molecular weight of from 1000 to 100000 is added to a liquid dispersion containing fine particles.
摘要翻译: 旨在提供一种方法,包括通过聚集含有粘合剂树脂和着色剂的细颗粒混合物形成附聚颗粒的步骤。 在形成附聚颗粒的步骤中,将平均分子量为1000至100000的阳离子有机凝结剂加入到含有细颗粒的液体分散体中。
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公开(公告)号:US20080286678A1
公开(公告)日:2008-11-20
申请号:US12119840
申请日:2008-05-13
申请人: Takayasu Aoki , Motonari Udo , Masahiro Ikuta , Tsuyoshi Itou , Takashi Urabe , Takafumi Hara , Satoshi Araki , Yasuhito Noda
发明人: Takayasu Aoki , Motonari Udo , Masahiro Ikuta , Tsuyoshi Itou , Takashi Urabe , Takafumi Hara , Satoshi Araki , Yasuhito Noda
IPC分类号: G03G9/00
CPC分类号: G03G9/09371 , G03G9/09321 , G03G9/09392
摘要: A developing agent including a core containing an amorphous polyester resin and a fatty acid ester based wax, a shell provided on the surface of the core and containing a copolymer of an aromatic vinyl monomer and acrylic acid or an acrylic ester, and a coloring agent.
摘要翻译: 包含含有无定形聚酯树脂和脂肪酸酯类蜡的芯的显影剂,在芯的表面上设置的壳,并含有芳族乙烯基单体和丙烯酸或丙烯酸酯的共聚物和着色剂。
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