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公开(公告)号：US09547248B2
公开(公告)日：2017-01-17
申请号：US14177650
申请日：2014-02-11
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： Sivapackia Ganapathiappan , Hou T Ng , Albert Teishev
Abstract: A method of manufacturing a liquid electrophotographic ink includes: mixing a pigment with a resin powder; and microfluidizing the mixture together with a carrier fluid in a microfluidizer in a number of passes to form a concentrated ink containing composite particles.
Abstract translation: 一种制造液体电子照相油墨的方法包括：将颜料与树脂粉末混合; 并将混合物与载体流体一起微流化在微流化器中，以形成含有复合颗粒的浓缩油墨。
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32.发明申请公开(公告)号：US20160370726A1
公开(公告)日：2016-12-22
申请号：US15122380
申请日：2014-04-28
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： Lihua Zhao , Yan Zhao , Doris Chun , Sivapackia Ganapathiappan , Hou T. Ng , Albert Teishev
IPC: G03G9/13 , C09D11/037 , G03G9/08
CPC classification number: G03G9/131 , C09D11/037 , G03G9/0804 , G03G9/122 , G03G9/125
Abstract: In an example of a method for making polymer-encapsulated metallic ink pigment particles, a layer of a transparent resin dispersion is disposed on a flexible substrate. The resin dispersion layer is substantially dried, and a base resin layer is formed. A slurry is disposed onto the base resin layer. The slurry includes metallic pigment particles and polymer particles dispersed in a non-aqueous carrier. The slurry is dried to form a metallic pigment-polymer sheet. Another layer of the transparent resin dispersion is disposed on the metallic pigment-polymer sheet and is dried. A coating resin layer is formed. The metallic pigment-polymer sheet and the base and coating transparent resin layers form a tri-layer film having the metallic pigment particles encapsulated between the base and coating transparent resin layers.
Abstract translation: 在制备聚合物包封的金属油墨颜料颗粒的方法的实例中，透明树脂分散体层设置在柔性基材上。 基本干燥树脂分散层，形成基础树脂层。 将浆料设置在基础树脂层上。 浆料包括分散在非水载体中的金属颜料颗粒和聚合物颗粒。 将浆料干燥以形成金属颜料 - 聚合物片材。 将另一层透明树脂分散体设置在金属颜料 - 聚合物片材上并干燥。 形成涂布树脂层。 金属颜料 - 聚合物片和基底和涂覆透明树脂层形成三维膜，其中包含在基底和涂覆透明树脂层之间的金属颜料颗粒。
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公开(公告)号：US20160320718A1
公开(公告)日：2016-11-03
申请号：US15107912
申请日：2014-02-20
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： Hou T. Ng , Howard S. Tom , Albert Teishev
CPC classification number: G03G9/122 , C09D11/037 , G03G9/0804 , G03G9/125 , G03G9/132 , G03G9/135
Abstract: A method of manufacturing a liquid electrophotographic ink concentrate includes: milling a mixture comprising ink pigments and polyamine-based dispersants in the presence of milling media to produce nano-scale ink pigments having an average particle size of less than 100 nanometers; and attaching at least one nano-scale ink pigment near surfaces of a base resin particle to form a pigment-resin composition.
Abstract translation: 制造液体电子照相油墨浓缩物的方法包括：在研磨介质的存在下研磨包含油墨颜料和多胺基分散剂的混合物，以制备平均粒径小于100纳米的纳米级油墨颜料; 并在基体树脂颗粒表面附近附着至少一种纳米级油墨以形成颜料 - 树脂组合物。
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34.发明申请公开(公告)号：US20130230340A1
公开(公告)日：2013-09-05
申请号：US13865746
申请日：2013-04-18
Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
Inventor： Doris Pik-Yiu Chun , Sivapackia Ganapathiappan , Hou T. Ng , Albert Teishev
IPC: G03G9/00
Abstract: A liquid electrophotographic ink concentrate includes non-volatile solids present in an amount ranging from about 20% to about 70% of the ink concentrate, the non-volatile solids including encapsulated pigment particles having a particle size ranging from about 500 nm to about 20 μm, and a viscosity modifier. The ink concentrate includes a balance of a liquid composition, the liquid composition including a carrier. The concentrate is dispersible in an ink vehicle to form a print-ready liquid electrophotographic ink having the non-volatile solids present in an amount ranging from about 0.5% to 5% of the print-ready liquid electrophotographic ink.
Abstract translation: 液体电子照相油墨浓缩物包括以油墨浓缩物的约20％至约70％的量存在的非挥发性固体，所述非挥发性固体包括颗粒尺寸范围为约500nm至约20μm的包封颜料颗粒 ，和粘度调节剂。 油墨浓缩物包括液体组合物的余量，该液体组合物包括载体。 浓缩物可分散在油墨载体中以形成具有非印刷准备液体电子照相油墨的约0.5％至5％量的非挥发性固体的印刷准备液体电子照相油墨。
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