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公开(公告)号：US20190155180A1
公开(公告)日：2019-05-23
申请号：US16190237
申请日：2018-11-14
Applicant: CANON KABUSHIKI KAISHA
Inventor： Yasuhiro Aichi , Junji Ito , Jun Shirakawa , Waka Hasegawa , Ryo Natori , Ayano Mashida
CPC classification number: G03G9/0804 , G03G9/125 , G03G9/132
Abstract: A method for producing a liquid developer, the method including a step of producing a toner particle by applying a shear force to a mixture of a polyester resin A and B, and a toner particle dispersing agent in a liquid a, wherein the polyester resin A has a number-average molecular weight from 3,000 to 7,000, an acid value of at least 5, and a carboxy group; the polyester resin B has a number-average molecular weight from 4,000 to 20,000 and an acid value of not more than 2; the toner particle dispersing agent has a primary amino group and an amine value of at least 40; the mass ratio (B/(A+B)) for the polyester resin B is 0.3 to 0.9; and the following relationship is satisfied: SP value of liquid a
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公开(公告)号：US20180275549A1
公开(公告)日：2018-09-27
申请号：US15830759
申请日：2017-12-04
Applicant: FUJI XEROX CO., LTD.
Inventor： Kazusei YOSHIDA , Daisuke YOSHINO , Masahiro OKI , Akira IMAI , Yoshitake OGURA , Takako KOBAYASHI , Koji HORIBA , Manabu KAWASHIMA , Fumiaki MERA , Tetsuya TAGUCHI
CPC classification number: G03G9/132 , G03G9/122 , G03G9/125 , G03G9/1355
Abstract: A liquid developer includes toner particles containing, as a binder resin, at least a polyester resin containing a monomer unit, which includes a linear or branched chain saturated hydrocarbon chain having 2 to 5 carbon atoms between ester bonds, in a range of from 5 mol % to 25 mol % with respect to all monomer units included in the polyester resin, and a colorant; and a carrier liquid including an insulating liquid.
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公开(公告)号：US20180275548A1
公开(公告)日：2018-09-27
申请号：US15534412
申请日：2014-12-22
Applicant: HP Indigo B.V.
Inventor： Emad Masoud , Neta Filip-Granit , Vladislav Kaploun , Olga Kagan , Yelena Litichevski , Albert Teishev
IPC: G03G9/12 , C09D11/037 , C09D11/107 , C09C1/36 , C09C3/06 , C09C3/10 , C09C3/12 , G03G9/13 , G03G9/135 , G03G9/125
CPC classification number: G03G9/122 , C01P2004/62 , C01P2004/64 , C01P2006/40 , C09B67/0004 , C09C1/043 , C09C1/3661 , C09C1/3676 , C09C1/3684 , C09C1/3692 , C09C1/407 , C09C3/063 , C09C3/08 , C09C3/10 , C09C3/12 , C09D11/033 , C09D11/037 , C09D11/10 , C09D11/107 , G03G9/125 , G03G9/131 , G03G9/132 , G03G9/135 , G03G9/1355
Abstract: Provided in one example herein is a liquid electrophotographic ink composition. The composition comprises: a carrier fluid comprising a polymer; ink particles each comprising a non-aqueous polymeric resin and pigment particles distributed in the polymeric resin; and a charge director. The pigment particles comprise a metal oxide and have a hydrophobic surface. The hydrophobic surface comprises at least one of the following: (i) nanoparticles attached to each of the pigment particles, the nanoparticles comprising at least one of an oxide, a phosphate, and a nitrate; (ii) a coating disposed over each of the pigment particles, the coating comprising at least one of an oxide, a phosphate, and a nitrate; and (iii) a coating disposed over each of the pigment particles, the coating comprising at least one of a polymer and an oligomer.
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公开(公告)号：US09921512B2
公开(公告)日：2018-03-20
申请号：US15109777
申请日：2014-01-30
Applicant: HP Indigo B.V.
Inventor： Gil Bar-Haim , Alina Grishman
CPC classification number: G03G9/08 , C09D11/03 , C09D11/106 , G03G9/0804 , G03G9/0808 , G03G9/09733 , G03G9/12 , G03G9/132 , G03G9/135 , G03G13/10
Abstract: Herein is disclosed an electrostatic ink composition, wherein the composition is formable by combining: chargeable particles comprising a resin comprising a polymer having acidic side groups, and a cyclic anhydride. Also disclosed herein is a method of forming an electrostatic ink composition, and a method of electrostatic printing.
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公开(公告)号：US20180017883A1
公开(公告)日：2018-01-18
申请号：US15547744
申请日：2015-02-11
Applicant: Hewlett-Packard Indigo B.V.
Inventor： Tony Azzam , Ilanit Mor , Samer Farran , Guy Nesher , Getahun Biadglin , Haim Cohen , Yael Kowal-Blau , Albert Teishev , Nurit Carmel-Barnea
IPC: G03G8/00 , C09D123/08
Abstract: An electrophotographic varnish composition that comprises, in a liquid carrier, a polymeric resin; an epoxy-based cross-linking agent, a mono-epoxy diluent and a metal catalyst and/or a photo-initiator. Also described herein is a method for making such electrophotographic varnish composition.
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公开(公告)号：US20180004104A1
公开(公告)日：2018-01-04
申请号：US15539935
申请日：2015-01-19
Applicant: Hewlett-Packard Indigo B.V.
Inventor： Tony Azzam , Ilanit Mor , Samer Farran , Albert Teishev , Guy Nesher , Getahun Biadglin , Haim Cohen , Benjamin Dayan , Yael Kowal-Blau , Eyal Shelef
CPC classification number: G03G8/00 , G03G7/002 , G03G7/004 , G03G7/0046 , G03G9/12 , G03G9/13 , G03G9/131 , G03G9/132
Abstract: A liquid electrophotographic varnish composition comprising: a polymer resin; an epoxy-based cross-linking agent; a solid catalyst comprising at least one amine group; and a carrier liquid.
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公开(公告)号：US20170371260A1
公开(公告)日：2017-12-28
申请号：US15628708
申请日：2017-06-21
Applicant: CANON KABUSHIKI KAISHA
Inventor： Naohiko Tsuchida , Yasutaka Akashi , Yuzo Tokunaga
CPC classification number: G03G9/122 , G03G9/132 , G03G9/135 , G03G9/1355 , G03G15/10
Abstract: 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.
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公开(公告)号：US09720339B2
公开(公告)日：2017-08-01
申请号：US15219308
申请日：2016-07-26
Applicant: Ricoh Company, Ltd.
Inventor： Shingo Sakashita , Shinya Nakayama , Masahide Yamada , Atsushi Yamamoto , Hideyuki Santo , Yukiko Nakajima , Suzuka Amemori
CPC classification number: G03G9/08764 , C08G63/00 , C08G63/91 , C08L67/00 , G03G9/08755 , G03G9/08768 , G03G9/08793 , G03G9/08795 , G03G9/08797 , G03G9/132
Abstract: A toner including at least a crystalline resin as a binder resin, wherein a tetrahydrofuran soluble content of the toner includes 5.0% or more as a peak area of a component having a molecular weight of 100,000 or greater in a molecular weight distribution measured by gel permeation chromatography, and the tetrahydrofuran soluble content of the toner has a weight-average molecular weight of 20,000 to 60,000.
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公开(公告)号：US09547260B2
公开(公告)日：2017-01-17
申请号：US14954454
申请日：2015-11-30
Applicant: Hewlett-Packard Indigo B.V.
Inventor： Shai Lior , Mark Sandler , Peter Nedelin
CPC classification number: G03G15/11 , G03G9/13 , G03G9/131 , G03G9/132 , G03G9/135 , G03G9/1355 , G03G15/104 , Y10T428/31855 , Y10T428/31935
Abstract: Disclosed herein is a method for electrostatic printing, wherein the method comprises (a) providing an ink composition comprising particles comprising a resin, wherein the ink composition contains less than 0.3 mg of charge director per g of solids in the ink composition; (b) passing the ink composition between a first electrode and a developer roller, wherein sufficient potential is applied between the developer roller and the electrode such that the resin particles are charged and adhere to the developer roller; (c) transferring at least some of the particles from the developer roller to a photoimaging plate to form an image on the photoimaging plate; and (d) transferring the image from the photoimaging plate to a print medium. Also disclosed here is an apparatus for carrying out the method, and a print medium printed using the method.
Abstract translation: 本文公开了一种静电印刷方法，其中所述方法包括（a）提供包含树脂的颗粒的油墨组合物，其中所述油墨组合物在所述油墨组合物中含有少于0.3mg的电荷指示剂/ g固体; （b）使墨水组合物在第一电极和显影辊之间通过，其中在显影辊和电极之间施加足够的电势，使得树脂颗粒被充电并粘附到显影辊上; （c）将至少一些颗粒从显影辊转印到光成像板上以在光成像板上形成图像; 和（d）将图像从光成像板传送到打印介质。 这里还公开了一种用于执行该方法的装置和使用该方法打印的打印介质。
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公开(公告)号：US20170003615A1
公开(公告)日：2017-01-05
申请号：US15107321
申请日：2014-12-22
Applicant: Kao Corporation
Inventor： Tatsuya YAMADA , Nobumichi KAMIYOSHI
CPC classification number: G03G9/132 , G03G9/0819 , G03G9/125
Abstract: A liquid developer containing toner particles containing a resin and a basic dispersant in an insulating liquid, wherein the resin contains a polyester A having a furan ring. The liquid developer of the present invention is suitably used in development and the like of latent images formed in an electrophotographic method, an electrostatic recording method, an electrostatic printing method, or the like.
Abstract translation: 含有在绝缘液体中含有树脂和碱性分散剂的调色剂颗粒的液体显影剂，其中树脂含有具有呋喃环的聚酯A. 本发明的液体显影剂适合用于以静电照相方法，静电记录方法，静电印刷方法等形成的潜像的显影等中。
