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公开(公告)号:US11067914B2
公开(公告)日:2021-07-20
申请号:US16469875
申请日:2017-03-17
申请人: HP INDIGO B.V.
发明人: Getahun Biadglin , Emad Masoud , Reut Avigdor , Albert Teishev , Tehila Ben-Ezra , Igor Shutyi , Hanit Marom Tchaicheeyan
摘要: The present disclosure discloses a liquid electrophotographic ink. The ink can include (A) a liquid vehicle; (B) at least one colorant; (C) a resin comprising an ethylene acid copolymer; (D) an ethylene/(meth)acrylic acid C1-10 alkyl ester copolymer selected from the group consisting of an ethylene/methyl acrylate copolymer and an ethylene/butyl acrylate copolymer; and (E) a condensation product of urea and aldehyde.
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公开(公告)号:US10591837B2
公开(公告)日:2020-03-17
申请号:US16066145
申请日:2016-03-04
申请人: HP Indigo B.V.
发明人: Haim Cohen , Yaron Grinwald , Gideon Amir , Reut Avigdor , Julia Kornilov
摘要: Described herein is a security LEP ink composition comprising an absorber, a resin; and a carrier liquid for printing a security image.
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公开(公告)号:US20200081363A1
公开(公告)日:2020-03-12
申请号:US16469875
申请日:2017-03-17
申请人: HP INDIGO B.V.
发明人: Getahun Biadglin , Emad MASOUD , Reut AVIGDOR , Albert TEISHEV , Tehil BEN-EZRA , lgor SHUTYI , Hanit MAROM TCHAICHEEYAN
摘要: The present disclosure discloses a liquid electrophotographic ink. The ink can include (A) a liquid vehicle; (B) at least one colorant; (C) a resin comprising an ethylene acid copolymer; (D) an ethylene/(meth)acrylic acid C1-10 alkyl ester copolymer selected from the group consisting of an ethylene/methyl acrylate copolymer and an ethylene/butyl acrylate copolymer; and (E) a condensation product of urea and aldehyde.
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公开(公告)号:US10564562B2
公开(公告)日:2020-02-18
申请号:US15770139
申请日:2015-12-11
申请人: HP Indigo B.V.
发明人: Hannoch Ron , Yaron Hershman , Gleb Romantcov , Peter Nedelin , Guy Nesher
摘要: Described herein is a method for priming a print substrate for subsequently receiving a liquid electrophotographic (LEP) inkin which a surface of a print substrate is coated with a first primer using an analogue printing technique and a second primer is digitally printed to the surface of the print substrate coated with the first primer.
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公开(公告)号:US20190286015A1
公开(公告)日:2019-09-19
申请号:US16424817
申请日:2019-05-29
申请人: HP INDIGO B.V.
摘要: Example implementations provide a method of controlling an ink developer used in electro-photography; the method comprising, following cessation of printing, varying a plurality of voltages associated with movement of ink within the ink developer at temporally disparate times.
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公开(公告)号:US10401751B2
公开(公告)日:2019-09-03
申请号:US15542840
申请日:2015-01-30
申请人: HP Indigo B.V.
发明人: Tal Rosenthal , Marc Klein , Albert Teishev , Gil Bar-Haim
IPC分类号: G03G9/135 , G03G9/12 , C09D11/02 , C09D11/037 , C09D11/52
摘要: Herein is disclosed a cyan electrostatic ink composition, the cyan electrostatic ink composition comprising: a cyan pigment, a basic dispersant, a phthalocyanine having acid groups, a resin and a charge director.
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公开(公告)号:US10353334B2
公开(公告)日:2019-07-16
申请号:US15520823
申请日:2015-01-19
申请人: HP Indigo B.V.
发明人: Inna Tzomik , Hannoch Ron , Shai Lior , Gleb Romantcov
摘要: A method for determining coat weight of a printed transparent electrophotographic composition is described, in which a calibration composition is added to a transparent liquid electrophotographic composition to produce a test composition, the calibration composition comprising a carrier liquid, a polymer resin, and at least 5 wt. % of an optical brightening agent based on the total solids content of the calibration composition. The test composition is electrophotographically printed onto a test substrate to produce the printed transparent electrophotographic ink composition; the fluorescence of the printed transparent electrophotographic composition is measured; and the coat weight of the printed transparent electrophotographic composition is determine based on the fluorescence of the printed transparent electrophotographic composition.
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公开(公告)号:US10294363B2
公开(公告)日:2019-05-21
申请号:US15547461
申请日:2015-04-28
申请人: HP Indigo B.V.
IPC分类号: C08L67/00 , G03G9/12 , C09D175/04 , C08G18/61 , C08G18/08 , C08G18/40 , C08G18/42 , C08G18/48 , G03G15/02 , G03G15/10 , C09D167/00 , C08G77/16 , C09D11/02
摘要: Described herein is a two-component coating system. The two-component coating system may include a base component and a hardener component. The base component may include: up to 55 wt. % hydroxyl terminated polyester and/or hydroxyl terminated polyether; up to 3 wt. % hydroxyl terminated polysiloxane; and a solvent selected from aromatic hydrocarbons, ketones, esters and combinations thereof, wherein the hydroxyl terminated polyester and/or hydroxyl terminated polyether and the hydroxyl terminated polysiloxane are dissolved in the solvent. The hardener component may include: up to 80 wt. % polyisocyanate; and a solvent selected from aromatic hydrocarbons, ketones, esters and combinations thereof, wherein the polyisocyanate is dissolved in the solvent.
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公开(公告)号:US10273372B2
公开(公告)日:2019-04-30
申请号:US15547424
申请日:2015-04-07
申请人: HP INDIGO B.V.
发明人: Dafna Or-Chen , Hannoch Ron , Eyal Joseph
IPC分类号: C09D11/00 , C09D11/101 , C09D11/52 , G03G7/00 , G03G8/00 , G03G9/12 , D06P1/52 , D06P5/20 , G03G15/16
摘要: Herein is described a method of printing an image on a textile. The method comprises electrophotographically printing an image onto a textile substrate using an electrophotographic ink composition, applying a coating composition comprising a polymer and a crosslinking agent to the printed electrophotographic ink, and crosslinking the applied coating composition.
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公开(公告)号:US10197949B2
公开(公告)日:2019-02-05
申请号:US15523313
申请日:2015-01-20
申请人: HP Indigo B.V.
发明人: Hannoch Ron , Shai Lior , Mark Sandler , Gleb Romantcov , Daniel Skvirsky
摘要: Herein is disclosed a method of electrostatic printing and glossing comprising: forming a first toner image on a print substrate by electrostatically printing an electrostatic ink comprising a first resin component comprising an ethylene acrylic acid resin, an ethylene methacrylic acid resin or combinations thereof; forming a second toner image disposed on the first toner image on the print substrate by electrostatically printing a liquid electro photographic (LEP) printing composition comprising a first resin component comprising an ethylene acrylic acid resin, an ethylene methacrylic acid resin or combinations thereof, and a second resin component present in an amount of about 20% to about 80% by weight of total solids content of the LEP printing composition, the second resin component having a melting point of from about 50° C. to about 75° C., which is below the melting point of the first resin component, or from about 140° C. to about 180° C., which is above the melting point of the first resin component; heating the print substrate to at least partially melt the first or second toner image.
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