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公开(公告)号：US20180143546A1
公开(公告)日：2018-05-24
申请号：US15814834
申请日：2017-11-16
发明人： Waka Hasegawa , Ryo Natori , Ayano Mashida , Junji Ito , Yasuhiro Aichi , Jun Shirakawa
CPC分类号： G03G9/0804 , G03G9/12 , G03G9/13 , G03G9/132
摘要： A method for producing a curable liquid developer including a toner particle including a colorant and a binder resin, a dispersant, and an insulating liquid (a) which does not dissolve the binder resin, the method including a step (1) of preparing a liquid mixture including the colorant, the binder resin, the insulating liquid (a), a solvent (b) which dissolves the binder resin, and the dispersant which is soluble in both the insulating liquid (a) and the solvent (b), and a step (2) of distilling off the solvent (b), wherein the insulating liquid (a) includes a monomer having a polymerizable functional group, and a molar average number of functional groups, a molar average SP value and an average molecular weight of the insulating liquid (a) are in specific range.
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公开(公告)号：US09766568B2
公开(公告)日：2017-09-19
申请号：US14666760
申请日：2015-03-24
发明人： Junji Ito , Naotake Sato , Yasuhiro Aichi
IPC分类号： G03G9/13 , G03G9/12 , C08F2/50 , G03G9/125 , C08F216/12 , C08F216/14 , C08F216/16
CPC分类号： G03G9/12 , C08F2/50 , C08F216/12 , C08F216/125 , C08F216/1416 , C08F216/16 , G03G9/125 , G03G9/13 , G03G9/131
摘要： An ultraviolet-curable liquid developer contains a cationically polymerizable liquid monomer, a photoinitiator, and a toner particle insoluble in the cationically polymerizable liquid monomer. The cationically polymerizable liquid monomer is a vinyl ether compound, and the photoinitiator is a compound having a particular structure.
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公开(公告)号：US09740118B2
公开(公告)日：2017-08-22
申请号：US15166650
申请日：2016-05-27
发明人： Waka Hasegawa , Ryo Natori , Ayano Mashida , Junji Ito , Yasuhiro Aichi , Jun Shirakawa
CPC分类号： G03G9/0806 , G03G9/0804 , G03G9/08755 , G03G9/08764 , G03G9/125 , G03G9/13 , G03G9/131 , G03G9/132 , G03G9/133 , G03G15/10
摘要： Provided is a method of producing a liquid developer containing a dispersing agent, an insulating liquid (a), and a toner particle that contains a colorant and a binder resin, the method including a step (1) of preparing a mixture containing the colorant, the binder resin, the insulating liquid (a), a solvent (b), and the dispersing agent, and a step (2) of distillatively removing the solvent (b) from the mixture, wherein the binder resin dissolves in the solvent (b) and does not dissolve in the insulating liquid (a), the dispersing agent dissolves in both the insulating liquid (a) and the solvent (b), and the binder resin contains a polymer A that has an alkali metal sulfonate group or an alkaline-earth metal sulfonate group.
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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 %.
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公开(公告)号：US20180046106A1
公开(公告)日：2018-02-15
申请号：US15559580
申请日：2016-05-27
发明人： Jun Shirakawa , Junji Ito , Yasuhiro Aichi
CPC分类号： G03G9/1355 , C07F9/091 , C07F9/106 , C08F120/68 , G03G9/0804 , G03G9/125 , G03G9/13 , G03G9/131
摘要： Provided is a liquid developer that gives a high image density, has a high resistance, suppresses the appearance of image blurring, can be reused, is readily cured by ultraviolet radiation, and can accommodate higher process speeds. This liquid developer contains a carrier liquid, a toner particle insoluble in the carrier liquid, and a compound with the following formula (1) [In formula (1), R1 and R2 each independently represent an alkyl group having at least 13 and not more than 23 carbons.].
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公开(公告)号：US20180046105A1
公开(公告)日：2018-02-15
申请号：US15549484
申请日：2016-04-20
发明人： Hiroshi Tanabe , Junji Ito , Yasuhiro Aichi , Jun Shirakawa
IPC分类号： G03G9/125 , C08F36/04 , C08F290/04 , G03G9/13
CPC分类号： G03G9/125 , C08C19/02 , C08C19/28 , C08C19/38 , C08F36/04 , C08F136/06 , C08F136/08 , C08F290/048 , C08F2500/01 , C08L15/00 , G03G9/13 , G03G9/131 , C08F216/12 , C08L23/0869 , C08K5/06 , C08K5/098 , C08K5/42 , C08K5/45 , C08K5/521
摘要： Provided is a curable liquid developer having sufficient fixability while being a curable liquid developer containing a polymer material. The curable liquid developer includes: a cationic polymerizable liquid monomer including a vinyl ether monomer; and toner particles insoluble in the cationic polymerizable liquid monomer, in which the curable liquid developer further includes a polymerizable polyolefin including a polyolefin in a main chain thereof, the polymerizable polyolefin having a vinyl ether group at at least one terminal of the polyolefin.
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公开(公告)号：US09880482B2
公开(公告)日：2018-01-30
申请号：US15166709
申请日：2016-05-27
发明人： Waka Hasegawa , Ryo Natori , Ayano Mashida , Junji Ito , Yasuhiro Aichi , Jun Shirakawa
CPC分类号： G03G9/131 , G03G9/0806 , G03G9/125 , G03G9/13 , G03G9/132 , G03G9/135 , G03G9/1355 , G03G15/10
摘要： The ultraviolet-curable liquid developer contains a hydrophobic cationically polymerizable liquid monomer, a photopolymerization initiator, a toner particle insoluble in the liquid monomer, and a toner particle dispersing agent, wherein the toner particle contains a binder resin that has an acid value of at least 5 mg KOH/g; the toner particle dispersing agent is a polymer that contains at least both a monomer unit represented by general formula (1) and a monomer unit represented by general formula (2); and the toner particle dispersing agent has a monomer unit represented by general formula (1) at a position other than the terminal position.
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公开(公告)号：US20160349656A1
公开(公告)日：2016-12-01
申请号：US15166709
申请日：2016-05-27
发明人： Waka Hasegawa , Ryo Natori , Ayano Mashida , Junji Ito , Yasuhiro Aichi , Jun Shirakawa
CPC分类号： G03G9/131 , G03G9/0806 , G03G9/125 , G03G9/13 , G03G9/132 , G03G9/135 , G03G9/1355 , G03G15/10
摘要： The ultraviolet-curable liquid developer contains a hydrophobic cationically polymerizable liquid monomer, a photopolymerization initiator, a toner particle insoluble in the liquid monomer, and a toner particle dispersing agent, wherein the toner particle contains a binder resin that has an acid value of at least 5 mg KOH/g; the toner particle dispersing agent is a polymer that contains at least both a monomer unit represented by general formula (1) and a monomer unit represented by general formula (2); and the toner particle dispersing agent has a monomer unit represented by general formula (1) at a position other than the terminal position
摘要翻译： 紫外线固化性液体显影剂含有疏水性阳离子聚合性液体单体，光聚合引发剂，不溶于液体单体的调色剂颗粒和调色剂颗粒分散剂，其中调色剂颗粒含有至少具有酸值的粘合剂树脂 5 mg KOH / g; 调色剂颗粒分散剂是至少含有通式（1）表示的单体单元和通式（2）表示的单体单元的聚合物。 并且调色剂颗粒分散剂在其末端位置具有由通式（1）表示的单体单元
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9.发明申请CURABLE LIQUID DEVELOPER AND IMAGE-FORMING METHOD USING CURABLE LIQUID DEVELOPER 有权可固化液体开发者和使用可变液体开发者的图像形成方法公开(公告)号：US20160349655A1
公开(公告)日：2016-12-01
申请号：US15166685
申请日：2016-05-27
发明人： Ryo Natori , Waka Hasegawa , Ayano Mashida , Junji Ito , Yasuhiro Aichi , Jun Shirakawa
IPC分类号： G03G9/00
CPC分类号： G03G9/131 , G03G9/0819 , G03G9/125 , G03G9/13 , G03G9/135 , G03G9/1355 , G03G15/10
摘要： A curable liquid developer containing a curable insulating liquid and a toner particle that contains a pigment and a resin, wherein the viscosity of the curable insulating liquid at 25° C. is at least 1 mPa·s and not more than 100 mPa·s, and when A (mPa·s) is the viscosity of the curable liquid developer at 25° C. in a case where the toner particle concentration in the curable liquid developer is 50 mass %, and B (mPa·s) is the viscosity of the curable liquid developer at 25° C. in a case where the toner particle concentration in the curable liquid developer is 1 mass %, the value of A−B is not more than 1,000 mPa·s.
摘要翻译： 含有可固化绝缘液体和含有颜料和树脂的调色剂颗粒的可固化液体显影剂，其中25℃下的可固化绝缘液体的粘度为至少1mPa·s且不大于100mPa·s， 在可固化液体显影剂中的调色剂颗粒浓度为50质量％的情况下，当A（mPa·s）为可固化液体显影剂在25℃时的粘度，B（mPa·s）为粘度 可固化液体显影剂在25℃下，在可固化液体显影剂中的调色剂颗粒浓度为1质量％的情况下，A-B的值不大于1,000mPa·s。
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公开(公告)号：US20160349653A1
公开(公告)日：2016-12-01
申请号：US15166643
申请日：2016-05-27
发明人： Hiroshi Tanabe , Junji Ito , Yasuhiro Aichi , Naotake Sato
IPC分类号： G03G9/13
摘要： Provided is a ultraviolet-curable liquid developer containing a cationically polymerizable liquid monomer, a photoinitiator, and a toner particle, wherein the cationically polymerizable liquid monomer contains a vinyl ether compound; defining A as the molar average number of functional groups for the vinyl ether compound and B as the molar average molecular weight of the vinyl ether compound, A and B satisfy the relationship A/B×1,000≧8.5; and the photoinitiator contains a specific compound.
摘要翻译： 本发明提供含有可阳离子聚合性液体单体，光引发剂和调色剂颗粒的紫外线固化型液体显影剂，其中阳离子聚合性液体单体含有乙烯基醚化合物; 将A定义为乙烯基醚化合物的官能团的摩尔平均数，B为乙烯基醚化合物的摩尔分子量，A和B满足A / B×1,000≥8.5的关系; 并且光引发剂含有特定的化合物。
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