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公开(公告)号:US08999444B2
公开(公告)日:2015-04-07
申请号:US13905309
申请日:2013-05-30
Applicant: Xerox Corporation
Inventor: James D. Mayo , Stephan Drappel , C. Geoffrey Allen , Biby E. Abraham , Sonja Hadzidedic
CPC classification number: B41J11/0015 , B41M7/0036 , C09D11/10 , C09D11/34 , C09D11/38
Abstract: An ink jettable overprint composition includes a reversible polymer material, which can reversibly transition between a liquid state and a solid state by reversible cycloaddition reactions, wherein upon cooling, the reversible polymer material transitions from a liquid state to a solid state by reversible cycloaddition reactions within a time period of less than about 10 seconds.
Abstract translation: 可喷墨叠印组合物包括可逆聚合物材料,其可通过可逆环加成反应在液态和固态之间可逆地转变,其中在冷却时,可逆聚合物材料通过可逆的环加成反应在液体状态转变为固态 时间段小于约10秒。
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公开(公告)号:US20140154502A1
公开(公告)日:2014-06-05
申请号:US13690415
申请日:2012-11-30
Applicant: XEROX CORPORATION
Inventor: Mihaela M. Birau , Salma F. Toosi , Biby E. Abraham , Christopher A. Wagner , C. Geoffrey Allen , Peter G. Odell , Daryl W. Vanbesien , Carolyn P. Moorlag
IPC: C09D101/02
CPC classification number: C08B15/06 , C09D101/08 , Y10T428/263 , Y10T428/3154
Abstract: There is described a surface layer or coating of a fluoropolymer. Dispersed in the fluoropolymer is a compound of the formula: wherein R1, R2, R3, and R4 each, independently of the others, are —H, alkyl, aryl, arylalkyl, or alkylaryl, R is a group of the formula —COOH, —COOM, —R5—COOH, —R5—COOM, —X—R5—COOH, or —X—R5—COOM wherein X and R5 are as defined herein, M is a cationic metal, A represents a saccharide monomer repeating unit having one or more R groups, B represents a saccharide monomer repeating unit having no R groups, m is an integer representing the number of repeating A units, and n is an integer representing the number of repeating B units.
Abstract translation: 描述了含氟聚合物的表面层或涂层。 分散在含氟聚合物中的是具有下式的化合物:其中R 1,R 2,R 3和R 4各自独立地为-H,烷基,芳基,芳烷基或烷基芳基,R为式-COOH基团, -COOM,-R5-COOH,-R5-COOM,-X-R5-COOH或-X-R5-COOM,其中X和R5如本文所定义,M是阳离子金属,A表示具有 一个或多个R基团,B表示没有R基团的糖单体重复单元,m是表示重复A单元数的整数,n是表示重复B单元数的整数。
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公开(公告)号:US20130335477A1
公开(公告)日:2013-12-19
申请号:US13972140
申请日:2013-08-21
Applicant: Xerox Corporation
Inventor: Gabriel Iftime , C. Geoffrey Allen , Peter G. Odell , Caroline Turek
IPC: C09D11/00
CPC classification number: C09D11/38 , B22F9/305 , B22F2998/00 , B41J2/17593 , B82Y30/00 , C09D11/34 , C22C2202/02 , H01F1/0054 , B22F1/0018
Abstract: An in situ process for preparing a phase change magnetic ink including heating a phase change ink composition to a first temperature sufficient to provide a melt composition; wherein the phase change ink composition comprises a carrier, an optional colorant, and an optional dispersant; placing the melt composition under inert atmosphere; heating the melt composition to a second temperature sufficient to effect decomposition of a metal carbonyl; adding the metal carbonyl to the melt composition under inert atmosphere at this second temperature to form metal nanoparticles thus forming in situ a phase change magnetic ink including the metal nanoparticles; optionally, filtering the phase change magnetic ink while in a liquid state; and cooling the phase change magnetic ink to a solid state.
Abstract translation: 一种用于制备相变磁性油墨的原位方法,包括将相变油墨组合物加热至足以提供熔融组合物的第一温度; 其中所述相变油墨组合物包含载体,任选的着色剂和任选的分散剂; 将熔融组合物置于惰性气氛下; 将熔融组合物加热到足以使羰基金属分解的第二温度; 在惰性气氛下在该第二温度下将金属羰基加入到熔融组合物中以形成金属纳米颗粒,由此原位形成包含金属纳米颗粒的相变磁性油墨; 任选地,在液态下过滤相变磁性墨; 并将相变磁性墨水冷却至固态。
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公开(公告)号:US11781025B2
公开(公告)日:2023-10-10
申请号:US17313097
申请日:2021-05-06
Applicant: Xerox Corporation
Inventor: Sepehr M. Tehrani , Syed Mohsin Ali , Carlos Dondon , Biby Esther Abraham , C. Geoffrey Allen , Mihaela Maria Birau
IPC: C09D11/10 , C09D11/033 , C09D11/037 , C09D11/107 , C09D11/322 , C08K3/22 , C08K3/36
CPC classification number: C09D11/033 , C09D11/037 , C09D11/107 , C09D11/322 , C08K3/22 , C08K3/36 , C08K2003/2241 , C08K2201/005 , C08K2201/011 , C08K2201/019
Abstract: Aqueous inkjet ink compositions are provided. In an embodiment, such an aqueous inkjet ink composition comprises a solvent system comprising water, a first organic solvent, and a second organic solvent, wherein the second organic solvent is an alkanediol having from 2 to 8 carbon atoms and the second organic solvent is present at an amount of from greater than 0 weight % to about 8 weight %; a white pigment; and resin particles. Methods of making and using the aqueous inkjet ink compositions are also provided.
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公开(公告)号:US20210284851A1
公开(公告)日:2021-09-16
申请号:US16814548
申请日:2020-03-10
Applicant: XEROX CORPORATION
Inventor: Mihaela Maria Birau , C. Geoffrey Allen , Aurelian Valeriu Magdalinis
IPC: C09D11/037 , C09D11/101 , C09C1/00 , C09C1/24 , C09C1/36 , C09C1/30 , B41M1/06 , B41C1/10
Abstract: The present disclosure is directed to a metallic ink composition for use in digital offset printing, comprising: metallic effect pigment particles, wherein an average equivalent sphere diameter of at least about 90% of the metallic effect pigment particles ranges from greater than 1 micrometer (μm) to 150 μm; at least one dispersant; at least one curable oligomer; and a photo initiator, wherein the metallic ink composition has a viscosity ranging from 150,000 to 1,000,000 millipascal seconds (mPa·s) at 0.1 rad/s at 25° C. Also provided is a method of digital offset printing using the metallic ink composition of the present disclosure.
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公开(公告)号:US10323154B2
公开(公告)日:2019-06-18
申请号:US14619820
申请日:2015-02-11
Applicant: XEROX CORPORATION
Inventor: Mihaela Maria Birau , C. Geoffrey Allen , Aurelian Valeriu Magdalinis
IPC: C09D11/037 , C09D11/101 , C09D11/02 , C08K3/22
Abstract: The present disclosure is directed to a white ink composition for use in digital offset printing, including a first white colorant including a first plurality of white pigment particles, wherein an average diameter of at least about 40% of the first plurality of white pigment particles is in a range of about 250 nanometers to about 350 nanometers, a second white colorant including a second plurality of white pigment particles, wherein an average diameter of at least about 40% of the second plurality of white pigment particles is in a range of about 350 nanometers to about 550 nanometers, at least one dispersant, at least one component selected from a curable monomer or a curable oligomer, and a photo-initiator. Also provided is a method of digital offset printing using the white ink composition of the present disclosure.
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公开(公告)号:US10113076B2
公开(公告)日:2018-10-30
申请号:US14501071
申请日:2014-09-30
Applicant: XEROX Corporation
Inventor: Carolyn Moorlag , Marcel Breton , C. Geoffrey Allen , Jenny Eliyahu
IPC: C09D11/106 , C09D11/107 , C09D11/023 , C09D11/104 , B41M5/395
Abstract: The disclosed embodiments are directed to a composition of an inverse emulsion acrylate ink for use in variable data digital lithographic image forming devices and methods for preparing and using the ink. The disclosed inverse emulsion acrylate ink includes an acrylate monomer, oligomer, polymer, or mixtures thereof that is a continuous phase, and water dispersed as an emulsion in the continuous acrylate phase. The disclosed inverse emulsion acrylate ink includes one or more of a color pigment component, a rheology modifying agent, a stabilizing agent, and a photoinitiator component. The water may be supplemented with a surfactant to lower a surface tension of the water.
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公开(公告)号:US09751326B2
公开(公告)日:2017-09-05
申请号:US14620945
申请日:2015-02-12
Applicant: XEROX CORPORATION
Inventor: Carolyn Moorlag , C. Geoffrey Allen , Marcel P. Breton , Mihaela Maria Birau
IPC: B41J2/21 , C09D11/101 , C09D11/037 , C09D135/02
CPC classification number: B41J2/2107 , C09D11/037 , C09D11/101 , C09D135/02
Abstract: Disclosed herein are ink compositions including at least one hyperbranched oligomer present in an amount ranging from about 3% to about 20% and having a functionality ranging from about 6 to about 40; at least one pigment present in an amount of at least about 10%; and at least one photoinitiator present in an amount ranging from 5% to 10%. Further provided herein are methods of printing using a variable data digital lithographic printing device.
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公开(公告)号:US20170158891A1
公开(公告)日:2017-06-08
申请号:US15435098
申请日:2017-02-16
Applicant: XEROX CORPORATION
IPC: C09D11/101 , B41F7/02 , C09D11/037
CPC classification number: C09D11/101 , B41F7/02 , C09D11/037 , C09D11/102
Abstract: An ink composition, including 20% or less pigment, 10% or less dispersant, between 50% and 75% acrylate with acrylate being a mixture of a trifunctional acrylate monomer, a tetrafunctional polyester acrylate oligomer, and an optional difunctional polyester acrylate oligomer, 12% or less photoinitiator, and wherein an effective amount of the trifunctional acrylate monomer in combination with the tetrafunctional polyester acrylate oligomer, and the optional difunctional polyester acrylate oligomer provides the ink composition with a near-zero shear viscosity between 2×106 cP and 5×107 cP at 25° C., and between 2.×105 cP and 4.×106 cP at 60° C., and a 60 second tack between 40 and 65 g-m at 25° C., and between 10 and 20 g-m at 60° C., and an energy of activation between 15 and 180 at kJ/mol at 1 rad/s, and between 40 and 120 at kJ/mol at 100 rad/s.
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公开(公告)号:US20170121547A1
公开(公告)日:2017-05-04
申请号:US14927844
申请日:2015-10-30
Applicant: Xerox Corporation
Inventor: Naveen Chopra , Barkev Keoshkerian , Carolyn Moorlag , C. Geoffrey Allen , Marcel P. Breton , Gordon Sisler
IPC: C09D11/38 , B29C67/00 , C09D11/101
CPC classification number: C09D11/38 , B29C64/112 , B33Y10/00 , B33Y70/00 , C09D11/101 , C09D11/34
Abstract: A curable ink including at least one monomer, oligomer, or prepolymer; an optional photoinitiator; an optional colorant; and amide gellant having a molecular weight of from about 800 to about 2,500 g/mole; wherein the ink has an onset of gelation defined by the glass transition of the low molecular weight amide gellant according to the relationship Onset of Gelation (K)=(Constant) Tg of gellant (K); wherein the Constant is less than 1.5. A process for printing a three-dimensional article including providing a curable ink; depositing the curable ink in one or more layers; and curing the deposited ink to form the three-dimensional object.
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