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1. 发明授权

US11545278B2 Three phase immiscible polymer-metal blends for high conductivity composites 有权
公开(公告)号：US11545278B2
公开(公告)日：2023-01-03
申请号：US16254513
申请日：2019-01-22
申请人： XEROX CORPORATION
发明人： Rachel Prestayko , Sarah J. Vella , Carolyn Moorlag , Barkev Keoshkerian , Jordan H. Wosnick
IPC分类号： H01B1/22 , B29B7/00 , B29B7/72 , B29B7/88 , B29C64/118 , B33Y70/10 , B33Y10/00 , B29C64/165 , B29C48/05 , B29K103/06 , B29B7/46 , B29C48/02 , B29C48/00 , B29K25/00 , B29K105/16 , B29K505/14
摘要： Provided is a method of forming a conductive polymer composite. The method includes forming a mixture. The mixture includes a first thermoplastic polymer, a second thermoplastic polymer and a plurality of metal particles. The first thermoplastic polymer and the second thermoplastic polymer are immiscible with each other. The plurality of metal particles include at least one metal that is immiscible with both the first thermoplastic polymer and the second thermoplastic polymer. The method includes heating the mixture to a temperature greater than or equal to a melting point of the metal.

2. 发明授权

US11096288B2 Flexible conductive printed circuits with printed overcoats 有权
公开(公告)号：US11096288B2
公开(公告)日：2021-08-17
申请号：US16722983
申请日：2019-12-20
申请人： Xerox Corporation
发明人： Sarah J. Vella , Yujie Zhu , Chad S. Smithson
IPC分类号： H05K3/28 , H05K1/03 , B41M5/00
摘要： A method for producing flexible conductive printed circuit with a printed overcoat is disclosed. For example, the method includes forming conductive printed circuit lines on a flexible substrate, detecting locations on the flexible substrate where the conductive printed circuit lines are formed, and printing an overcoat over the conductive printed circuit lines at the locations that are detected on the flexible substrate, wherein the overcoat comprises a mixture of thermoplastic polyurethane (TPU) and a solvent having a viscosity of 1 centipoise to 2,000 centipoise to allow the mixture to be printed.

3. 发明授权

US11084090B2 Compositions comprising eutectic metal alloy nanoparticles 有权
公开(公告)号：US11084090B2
公开(公告)日：2021-08-10
申请号：US17016281
申请日：2020-09-09
申请人： XEROX CORPORATION
发明人： Guiqin Song , Sarah J. Vella , Barkev Keoshkerian
IPC分类号： B22F1/00 , B22F9/24 , C09D11/52 , C09D11/38 , B82Y40/00 , B82Y30/00
摘要： Provided herein is a composition for eutectic metal alloy nanoparticles having an average particle size ranging from about 0.5 nanometers to less than about 5000 nanometers and at least one organoamine stabilizer. Also provided herein is a process for preparing eutectic metal alloy nanoparticles comprising mixing at least one organic polar solvent, at least one organoamine stabilizer, and a eutectic metal alloy to create a mixture; sonicating the mixture at a temperature above the melting point of the eutectic metal alloy; and collecting a composition comprising a plurality of eutectic metal alloy nanoparticles having an average particle size ranging from about 0.5 nanometers to less than about 5000 nanometers. Further disclosed herein are hybrid conductive ink compositions comprising a component comprising a plurality of metal nanoparticles and a component comprising a plurality of eutectic metal alloy nanoparticles.

4. 发明申请

US20200001637A1 METHODS FOR PRINTING CONDUCTIVE OBJECTS 审中-公开
公开(公告)号：US20200001637A1
公开(公告)日：2020-01-02
申请号：US16021367
申请日：2018-06-28
申请人： Xerox Corporation
发明人： Barkev Keoshkerian , Adela Goredema , Sarah J. Vella , Biby Esther Abraham , Michelle N. Chretien
IPC分类号： B41M3/00 , B41M5/00 , B28B1/00 , B33Y10/00 , B33Y70/00 , B33Y30/00
摘要： Methods for printing a conductive object are provided which may comprise dispensing one of a first ink composition and a second ink composition towards a substrate surface to form a deposition region on the substrate surface or on a previously printed object on the substrate surface, wherein the first ink composition comprises an aqueous solution of a metal compound and the second ink composition comprises an aqueous solution of a stable free radical; dispensing the other of the first and second ink compositions in the deposition region to mix the first and second ink compositions and induce chemical reduction of the metal compound by the stable free radical and precipitation of the metal of the metal compound; and removing solvent from the deposition region, thereby forming a conductive object comprising the precipitated metal.

5. 发明授权

US10234342B2 3D printed conductive compositions anticipating or indicating structural compromise 有权
公开(公告)号：US10234342B2
公开(公告)日：2019-03-19
申请号：US15090259
申请日：2016-04-04
申请人： XEROX CORPORATION
发明人： Carolyn Moorlag , Rachel Prestayko , Barkev Keoshkerian , Sarah J. Vella
IPC分类号： G01L1/22 , B33Y10/00 , H01B1/24 , H01B1/22 , B28B1/00 , B33Y80/00 , B33Y70/00 , C09D5/24 , G01R1/00 , B29C64/106 , B29K105/16 , B29K507/04 , B29K505/00 , B82Y30/00 , G01N27/20
摘要： An article includes a body and at least one 3D-printable conductive composite segment in mechanical communication with the body. The body includes a first material and the at least one conductive composite segment includes a matrix material, a plurality of carbon nanotubes, and conductive additives. The conductive additives include a plurality of metallic particulates, a plurality of graphitic particles or a combination thereof.

6. 发明申请

US20180071998A1 COLORED SUPPORT MATERIAL FOR INKJET-MEDIATED ADDITIVE MANUFACTURING 审中-公开
公开(公告)号：US20180071998A1
公开(公告)日：2018-03-15
申请号：US15266427
申请日：2016-09-15
申请人： XEROX CORPORATION
发明人： NAVEEN CHOPRA , Geoffrey C. Allen , Sarah J. Vella , Saleh Jiddawi , Carolyn Moorlag
IPC分类号： B29C67/00 , B33Y10/00 , B33Y30/00 , B33Y50/00 , B33Y70/00
CPC分类号： B33Y70/00 , B29C64/112 , B29C64/35 , B29C64/40 , B29K2105/0032 , B29K2995/0021 , B33Y10/00 , B33Y30/00 , B33Y50/00 , C09D11/101 , C09D11/32
摘要： A system of inkjet inks suitable for additive manufacturing by inkjet printing includes a build ink and a support ink, the build ink and support ink have a differential color scheme and at least one of the build ink or the support ink includes a colorant. A method of additive manufacturing includes providing such a system of inkjet inks and printing via a multi-jet inkjet printing system an article with the build ink and the support ink, the article including a build material portion and a support material portion. A cartridge or kit for additive manufacturing by inkjet printing includes such a system of inkjet inks.

7. 发明申请

US20170284876A1 3D PRINTED CONDUCTIVE COMPOSITIONS ANTICIPATING OR INDICATING STRUCTURAL COMPROMISE 审中-公开
公开(公告)号：US20170284876A1
公开(公告)日：2017-10-05
申请号：US15090259
申请日：2016-04-04
申请人： XEROX CORPORATION
发明人： Carolyn Moorlag , Rachel Prestayko , Barkev Keoshkerian , Sarah J. Vella
IPC分类号： G01L1/22 , H01B1/22 , B33Y70/00 , B29C67/00 , B33Y10/00 , B33Y80/00 , H01B1/24 , B28B1/00
CPC分类号： G01L1/2206 , B28B1/001 , B29C64/106 , B29K2105/162 , B29K2105/167 , B29K2505/00 , B29K2507/04 , B29K2995/0005 , B33Y10/00 , B33Y70/00 , B33Y80/00 , B82Y30/00 , C09D5/24 , G01N27/20 , G01R1/00 , H01B1/22 , H01B1/24
摘要： An article includes a body and at least one 3D-printable conductive composite segment in mechanical communication with the body. The body includes a first material and the at least one conductive composite segment includes a matrix material, a plurality of carbon nanotubes, and conductive additives. The conductive additives include a plurality of metallic particulates, a plurality of graphitic particles or a combination thereof.

8. 发明申请

US20170148539A1 THREE PHASE IMMISCIBLE POLYMER-METAL BLENDS FOR HIGH CONDUCTIVTY COMPOSITES 审中-公开
公开(公告)号：US20170148539A1
公开(公告)日：2017-05-25
申请号：US14948070
申请日：2015-11-20
申请人： XEROX CORPORATION
发明人： Rachel Prestayko , Sarah J. Vella , Carolyn Moorlag , Barkev Keoshkerian , Jordan H. Wosnick
IPC分类号： H01B1/22 , B29B7/00 , B29C47/00 , B29C67/00
CPC分类号： H01B1/22 , B29B7/002 , B29B7/005 , B29B7/46 , B29B7/726 , B29B7/88 , B29C47/0002 , B29C47/0004 , B29C47/0014 , B29C64/118 , B29K2025/08 , B29K2103/06 , B29K2105/16 , B29K2505/14 , B29K2995/0005 , B33Y10/00 , B33Y70/00
摘要： Provided is a method of forming a conductive polymer composite. The method includes forming a mixture. The mixture includes a first thermoplastic polymer, a second thermoplastic polymer and a plurality of metal particles. The first thermoplastic polymer and the second thermoplastic polymer are immiscible with each other. The plurality of metal particles include at least one metal that is immiscible with both the first thermoplastic polymer and the second thermoplastic polymer. The method includes heating the mixture to a temperature greater than or equal to a melting point of the metal.

9. 发明申请

US20140376965A1 ANGLED ALIGNMENT METHOD FOR LIQUID MATERIALS APPLICATOR IN BETTER CONTACT WITH P/R OR BCR TO MINIMIZE TORQUE DURING CYCLING 有权
标题翻译：用于液体材料的ANGLED对准方法与P / R或BCR进行更好的接触以在循环期间最小化扭矩
公开(公告)号：US20140376965A1
公开(公告)日：2014-12-25
申请号：US13922169
申请日：2013-06-19
申请人： Xerox Corporation
发明人： YU LIU , Sarah J. Vella , Richard Andrew Klenkler , Johann Junginger
IPC分类号： G03G15/02
CPC分类号： G03G15/0233 , G03G15/75 , G03G21/0094
摘要： An image forming apparatus includes an electrophotographic photoconductive member and a delivery unit. The delivery unit is disposed in contact with a surface of the photoconductive member to apply a layer of functional materials to the surface of the photoconductive member, wherein a cylindrical axis of the delivery unit is angled with respect to a cylindrical axis of the photoconductive member to increase uniformity of the functional materials layer. An image forming apparatus an electrophotographic photoconductive member, a charging unit and a delivery unit disposed in contact with the surface of the charging unit, wherein the delivery unit applies a layer of functional materials to the surface of the photoconductive member. and a cylindrical axis of the delivery unit is angled with respect to a cylindrical axis of the charging unit to increase the uniformity of the functional materials layer
摘要翻译：图像形成装置包括电子照相感光体和输送单元。输送单元设置成与光电导元件的表面接触以将一层功能材料施加到光电导元件的表面，其中输送单元的圆柱轴线相对于光电导元件的圆柱轴线成一角度至增加功能材料层的均匀性。图像形成装置，电子照相感光体，充电单元和与充电单元的表面接触设置的输送单元，其中输送单元将一层功能材料施加到感光体的表面。并且输送单元的圆柱轴线相对于充电单元的圆柱轴线成角度，以增加功能材料层的均匀性

10. 发明申请

US20210308752A1 COMPOSITIONS COMPRISING EUTECTIC METAL ALLOY NANOPARTICLES 有权
公开(公告)号：US20210308752A1
公开(公告)日：2021-10-07
申请号：US17347813
申请日：2021-06-15
申请人： XEROX CORPORATION
发明人： Guiqin Song , Sarah J. Vella , Barkev Keoshkerian
IPC分类号： B22F1/00 , B22F9/24 , C09D11/52 , C09D11/38
摘要： Provided herein is a composition for eutectic metal alloy nanoparticles having an average particle size ranging from about 0.5 nanometers to less than about 5000 nanometers and at least one organoamine stabilizer. Also provided herein is a process for preparing eutectic metal alloy nanoparticles comprising mixing at least one organic polar solvent, at least one organoamine stabilizer, and a eutectic metal alloy to create a mixture; sonicating the mixture at a temperature above the melting point of the eutectic metal alloy; and collecting a composition comprising a plurality of eutectic metal alloy nanoparticles having an average particle size ranging from about 0.5 nanometers to less than about 5000 nanometers. Further disclosed herein are hybrid conductive ink compositions comprising a component comprising a plurality of metal nanoparticles and a component comprising a plurality of eutectic metal alloy nanoparticles.

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