-
公开(公告)号：US11624987B2
公开(公告)日：2023-04-11
申请号：US17020253
申请日：2020-09-14
发明人： Yuzo Tokunaga , Takashi Hirasa , Yasutaka Akashi , Masato Nakajima , Naohiko Tsuchida , Akifumi Matsubara , Kohji Takenaka , Yuya Chimoto , Kouichirou Ochi , Tomoyo Miyakai
IPC分类号： G03G9/13
摘要： A liquid developer comprising: a toner particle containing binder resin; a carrier liquid; and a basic toner particle dispersing agent, wherein the basic toner particle dispersing agent is a primary amine, an acid value of the binder resin is at least 10 mg KOH/g, an acid value of a component having a molecular weight of not more than 2,000 contained in the binder resin is not more than 5 mg KOH/g, and a hydroxyl value of the component having a molecular weight of not more than 2,000 contained in the binder resin is not more than 10 mg KOH/g.
-
公开(公告)号：US20200272068A1
公开(公告)日：2020-08-27
申请号：US16794925
申请日：2020-02-19
发明人： Kouichirou Ochi , Yuzo Tokunaga , Tomoyo Miyakai , Akifumi Matsubara , Takashi Hirasa , Hayato Ida , Yasutaka Akashi
摘要： A liquid developer containing a liquid carrier and a toner particle that is insoluble in the liquid carrier, wherein a particular substructure is bonded through a covalent bond to a surface of the toner particle, and a method of producing a liquid developer containing a liquid carrier and a toner particle that is insoluble in the liquid carrier, the method comprising a step (I) of covalently bonding, to a surface of the toner particle, a compound having a particular substructure.
-
公开(公告)号：US20170371260A1
公开(公告)日：2017-12-28
申请号：US15628708
申请日：2017-06-21
发明人： Naohiko Tsuchida , Yasutaka Akashi , Yuzo Tokunaga
CPC分类号： G03G9/122 , G03G9/132 , G03G9/135 , G03G9/1355 , G03G15/10
摘要： A liquid developer comprising a toner particle containing a binder resin and a carbon black, a toner particle dispersing agent, and a carrier liquid, wherein amounts of group 15 elements, group 16 elements, and group 17 elements on a surface of the carbon black are respectively 0.1 atomic percent or less with respect to a total amount of elements on the carbon black surface.
-
4.发明授权Developer carrying member, process for its production, and developing assembly 有权显影剂承载构件，其生产工艺和开发组装公开(公告)号：US09026012B2
公开(公告)日：2015-05-05
申请号：US13797532
申请日：2013-03-12
发明人： Satoshi Otake , Masayoshi Shimamura , Yasutaka Akashi , Takuma Matsuda , Minoru Ito , Kazuhito Wakabayashi , Atsushi Noguchi , Hironori Mori
CPC分类号： C09D5/24 , G03G15/0812 , G03G15/0818
摘要： A developer carrying member is provided the surface layer of which can make a developer stable by controlling its triboelectric charging strongly and which can maintain a high image quality over a long period of time even where a developer made highly spherical-particle or a small-particle developer is used. The developer carrying member has a substrate and a surface layer. The surface layer is a cured product of a resin composition containing a binder resin, conductive particles, a quaternary ammonium salt and an azo metal complex compound, the binder resin has in the molecular structure at least one structure selected from the group consisting of an —NH2 group, an ═NH group and an —NH— linkage, and the azo metal complex compound is a compound represented by the formula (1) as defined in the specification.
摘要翻译： 提供了一种显影剂承载构件，其表面层可以通过强烈地控制其摩擦带电量而使显影剂稳定，并且即使在显影剂制成高度球形颗粒或小颗粒的情况下也能够长期保持高图像质量 开发人员被使用。 显影剂承载构件具有基底和表面层。 表面层是含有粘合剂树脂，导电性颗粒，季铵盐和偶氮金属络合物的树脂组合物的固化物，所述粘合剂树脂在分子结构中具有至少一种选自由以下组成的组的结构： NH 2基，-NH基和-NH-键，并且偶氮金属络合物是如说明书中定义的由式（1）表示的化合物。
-
公开(公告)号：US20180348658A1
公开(公告)日：2018-12-06
申请号：US15988116
申请日：2018-05-24
发明人： Naohiko Tsuchida , Takashi Hirasa , Yasutaka Akashi , Yuzo Tokunaga , Akifumi Matsubara , Ryo Natori , Waka Hasegawa , Ayano Mashida , Junji Ito , Yasuhiro Aichi , Jun Shirakawa
摘要： A curable liquid developer containing: a toner particle containing a pigment and a binder resin; a toner particle dispersing agent; and a cationically polymerizable liquid monomer, wherein the binder resin contains a polyester resin having an acid value of at least 5 mg KOH/g; the polyester resin contains an alcohol component-derived monomer unit and an acid component-derived monomer unit; the alcohol component-derived monomer unit and the acid component-derived monomer unit contain specific monomer units in specific proportions; and the content of the polyester resin in the binder resin is at least 50 mass % and not more than 100 mass %.
-
6.发明申请DEVELOPER CARRYING MEMBER, PROCESS FOR ITS PRODUCTION, AND DEVELOPING ASSEMBLY 有权开发商执行会员，其生产过程和开发大会公开(公告)号：US20130188999A1
公开(公告)日：2013-07-25
申请号：US13797532
申请日：2013-03-12
发明人： Satoshi Otake , Masayoshi Shimamura , Yasutaka Akashi , Takuma Matsuda , Minoru Ito , Kazuhito Wakabayashi , Atsushi Noguchi , Hironori Mori
CPC分类号： C09D5/24 , G03G15/0812 , G03G15/0818
摘要： A developer carrying member is provided the surface layer of which can make a developer stable by controlling its triboelectric charging strongly and which can maintain a high image quality over a long period of time even where a developer made highly spherical-particle or a small-particle developer is used. The developer carrying member has a substrate and a surface layer. The surface layer is a cured product of a resin composition containing a binder resin, conductive particles, a quaternary ammonium salt and an azo metal complex compound, the binder resin has in the molecular structure at least one structure selected from the group consisting of an —NH2 group, an ═NH group and an —NH— linkage, and the azo metal complex compound is a compound represented by the formula (1) as defined in the specification.
摘要翻译： 提供了一种显影剂承载构件，其表面层可以通过强烈地控制其摩擦带电量而使显影剂稳定，并且即使在显影剂制成高度球形颗粒或小颗粒的情况下也能够长期保持高图像质量 开发人员被使用。 显影剂承载构件具有基底和表面层。 表面层是含有粘合剂树脂，导电性颗粒，季铵盐和偶氮金属络合物的树脂组合物的固化物，所述粘合剂树脂在分子结构中具有至少一种选自由以下组成的组的结构： NH 2基，a = NH基和-NH-键，并且偶氮金属络合物是如说明书中定义的由式（1）表示的化合物。
-
公开(公告)号：US11181848B2
公开(公告)日：2021-11-23
申请号：US16794925
申请日：2020-02-19
发明人： Kouichirou Ochi , Yuzo Tokunaga , Tomoyo Miyakai , Akifumi Matsubara , Takashi Hirasa , Hayato Ida , Yasutaka Akashi
摘要： A liquid developer containing a liquid carrier and a toner particle that is insoluble in the liquid carrier, wherein a particular substructure is bonded through a covalent bond to a surface of the toner particle, and a method of producing a liquid developer containing a liquid carrier and a toner particle that is insoluble in the liquid carrier, the method comprising a step (I) of covalently bonding, to a surface of the toner particle, a compound having a particular substructure.
-
公开(公告)号：US20210063906A1
公开(公告)日：2021-03-04
申请号：US16996461
申请日：2020-08-18
发明人： Yuzo Tokunaga , Tomoyo Miyakai , Takashi Hirasa , Hayato Ida , Yasutaka Akashi
摘要： A liquid developer that can show excellent adhesiveness with respect to plastic film media even if a base layer is not formed, the liquid developer includes a toner particle and a carrier liquid, where the toner particle contains a resin including a monomer unit (1) represented by the formula (1).
-
9.发明授权Developer carrying member, process for its production, and developing assembly 有权显影剂承载构件，其生产工艺和开发组装公开(公告)号：US08792810B2
公开(公告)日：2014-07-29
申请号：US13851902
申请日：2013-03-27
发明人： Minoru Ito , Masayoshi Shimamura , Yasutaka Akashi , Satoshi Otake , Takuma Matsuda , Kazuhito Wakabayashi , Atsushi Noguchi , Hironori Mori
IPC分类号： G03G15/09
CPC分类号： G03G15/0812 , G03G9/08 , G03G15/0818
摘要： A developer carrying member is provided which can maintain a high image quality over a long period of time even where a highly triboelectrically chargeable developer is used. The developer carrying member has a substrate and a surface layer. The surface layer is a cured product of a resin composition containing a binder resin, conductive particles, a quaternary phosphonium salt and an azo metal complex compound, the binder resin has in the molecular structure at least one structure selected from the group consisting of an —NH2 group, an ═NH group and an —NH— linkage, and the azo metal complex compound is a compound represented by the formula (1) as defined in the specification.
摘要翻译： 提供了一种显影剂承载构件，其即使在使用高度摩擦电荷的显影剂的情况下也能够长期保持高图像质量。 显影剂承载构件具有基底和表面层。 表面层是含有粘合剂树脂，导电性颗粒，季鏻盐和偶氮金属配位化合物的树脂组合物的固化物，所述粘合剂树脂在分子结构中具有选自以下的至少一种结构： NH 2基，-NH基和-NH-键，并且偶氮金属络合物是如说明书中定义的由式（1）表示的化合物。
-
公开(公告)号：US08628846B2
公开(公告)日：2014-01-14
申请号：US13744041
申请日：2013-01-17
发明人： Kazuhito Wakabayashi , Masayoshi Shimamura , Yasutaka Akashi , Satoshi Otake , Takuma Matsuda , Minoru Ito , Atsushi Noguchi , Hironori Mori
IPC分类号： B32B5/16 , B32B9/04 , G03G15/095
CPC分类号： G03G15/06 , G03G15/0928 , Y10T428/25 , Y10T428/31504
摘要： Provided is a developer carrying member that can stably provide a negatively chargeable developer with triboelectric charge and whose surface hardly wears even after its long-term use. The developer carrying member is a developer carrying member, comprising: a substrate; and a surface layer, wherein: the surface layer contains a matrix resin and electro-conductive particles; and the matrix resin contains a crosslinked product of a polymer chain having units represented by the following structural formula (1) and the following structural formula (2), and a polymer chain represented by the following structural formula (3).
摘要翻译： 提供一种能够稳定地提供具有摩擦电荷的负电荷显影剂的显影剂承载构件，即使在其长期使用之后其表面几乎不磨损。 显影剂承载构件是显影剂承载构件，包括：基底; 表面层，其中：所述表面层含有基体树脂和导电性粒子; 基质树脂含有具有下述结构式（1）和下述结构式（2）表示的单元的聚合物链的交联体和由以下结构式（3）表示的聚合物链。
-
-
-
-
-
-
-
-
-
搜索结果
24 条记录 (耗时 0.02 秒)
