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公开(公告)号：US10018930B2
公开(公告)日：2018-07-10
申请号：US15415333
申请日：2017-01-25
Applicant: Xerox Corporation
Inventor： Frank Ping-Hay Lee , Richard P. N. Veregin , Shigang S. Qiu , Michael J. D'Amato , Aurelian Valeriu Magdalinis , David John William Lawton
CPC classification number: G03G9/0812 , G03G9/0804 , G03G9/0808 , G03G9/081 , G03G9/0819 , G03G9/08755 , G03G9/08782 , G03G9/0904 , G03G9/0906 , G03G9/0926 , G03G9/09392
Abstract: A toner including a resin; and a colorant wax comprising a plurality of colorant wax particles comprising a colorant core surrounded by a wax shell, wherein the colorant wax particles exhibit a particle size distribution of from about 150 nanometers to less than about 300 nanometers; and wherein the colorant wax is prepared by (a) melting and mixing a dry colorant with at least one wax to form a colorant concentrate, wherein the colorant concentrate contains at least 25 percent by weight of colorant; (b) milling the colorant concentrate of step (a) to form a milled colorant concentrate; (c) combining the milled colorant concentrate of (b) with water and dispersing to form the plurality of colorant wax particles; wherein the melting and mixing of step (a) and the milling of step (b) is done in an immersion media mill; and wherein the combining of step (c) is done using a piston homogenizer.
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公开(公告)号：US20170363984A1
公开(公告)日：2017-12-21
申请号：US15187475
申请日：2016-06-20
Applicant: XEROX CORPORATION
Inventor： Richard P. N. Veregin , Valerie M. Farrugia , Frank Ping-Hay Lee , Michael J. D'Amato , Michael S. Hawkins , Edward G. Zwartz , Yulin Wang , Abdisamed Sheik-Qasim , Sandra J. Gardner
CPC classification number: G03G9/09371 , G03G9/0821 , G03G9/09321 , G03G9/09364
Abstract: A hybrid toner includes a core having at least one amorphous polyester resin and at least one crystalline polyester resin, and at least one styrene/acrylate resin, a shell comprising at least one styrene/acrylate resin, at least one wax, and optionally a pigment dispersion, the first modulated differential calorimetry scan of the hybrid toner shows at least two melting point peaks below about 80° C., and the difference between the two melting point peaks is less than or equal to about 15° C.
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公开(公告)号：US09656225B2
公开(公告)日：2017-05-23
申请号：US15073052
申请日：2016-03-17
Applicant: XEROX CORPORATION
Inventor： Yu Liu , Frank Ping-Hay Lee , Ke Zhou , Yulin Wang
CPC classification number: B01F13/0818 , B01F13/0052 , B01F13/0059 , B01F13/0809 , B02C17/005
Abstract: A method and system for magnetic actuated mixing which use magnetic particles and electromagnetic field to facilitate the mixing. The method and system use magnetic particles and a generated electromagnetic field to facilitate the milling as well. The method and system can be used in any application that requires the preparation of small-sized particles at either the micro or nano scale, including for example, preparing toners, inks, wax, pigment dispersions and the like.
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公开(公告)号：US20150299484A1
公开(公告)日：2015-10-22
申请号：US14256938
申请日：2014-04-19
Applicant: Xerox Corporation
Inventor： Frank Ping-Hay Lee , Marcel P. Breton , Aurelian Valeriu Magdalinis , Michael J. D'Amato , Biby Esther Abraham
IPC: C09D11/38 , C08K5/20 , C08K5/23 , C09D191/06 , C08K5/3417
CPC classification number: C09D11/38 , C08K5/20 , C08K5/23 , C08K5/3417 , C09D11/12 , C09D11/30 , C09D11/322 , C09D11/40 , C09D191/06
Abstract: An aqueous ink composition including water; a co-solvent; and an aqueous submicron colorant wax dispersion comprising a plurality of colorant wax particles comprising a colorant core surrounded by a wax shell, wherein the colorant wax particles exhibit a particle size distribution of from about 150 nanometers to less than about 300 nanometers; wherein the aqueous submicron colorant wax dispersion is prepared by (a) melting and mixing a dry colorant with at least one wax to form a colorant concentrate, wherein the colorant concentrate contains at least 25 percent by weight of colorant; (b) milling the colorant concentrate of step (a) to form a milled colorant concentrate; (c) combining the milled colorant concentrate of (b) with water and dispersing to form the colorant wax dispersion; wherein the melting and mixing of step (a) and the milling of step (b) is done in an immersion media mill or a horizontal mill; and wherein the combining of step (c) is done using a piston homogenizer.
Abstract translation: 包含水的水性油墨组合物; 共溶剂; 以及包含多个着色剂蜡颗粒的水性亚微米着色剂蜡分散体，其包含由蜡壳包围的着色剂芯，其中所述着色剂蜡颗粒显示出约150纳米至小于约300纳米的粒度分布; 其中通过（a）将干着色剂与至少一种蜡熔融和混合以形成着色剂浓缩物来制备亚亚微米级着色剂蜡分散体，其中着色剂浓缩物含有至少25重量％的着色剂; （b）研磨步骤（a）的着色剂浓缩物，以形成研磨的着色剂浓缩物; （c）将研磨的（b）着色剂浓缩物与水混合并分散以形成着色剂蜡分散体; 其中步骤（a）和步骤（b）的研磨的熔融和混合在浸渍介质研磨机或卧式研磨机中进行; 并且其中步骤（c）的组合使用活塞均化器进行。
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公开(公告)号：US20150217253A1
公开(公告)日：2015-08-06
申请号：US14171481
申请日：2014-02-03
Applicant: Xerox Corporation
Inventor： Yulin Wang , Yu Liu , Ke Zhou , Frank Ping-Hay Lee
CPC classification number: B01J13/00 , B01J13/02 , C09B67/0097 , G03G9/0804
Abstract: A process and device for making a latex emulsion suitable for use in a toner composition which uses Steam Injection Emulsification (SIE) are disclosed, including a steam injection nozzle system, where the nozzle has one or more holes for releasing steam into an emulsion, which induces turbulence in the emulsion to facilitate emulsification, solvent distillation or both to produce latex emulsions for making toner.
Abstract translation: 公开了一种用于制造适用于使用蒸汽喷射乳化（SIE）的调色剂组合物中的胶乳乳液的方法和装置，其包括蒸汽喷嘴系统，其中喷嘴具有一个或多个用于将蒸汽释放到乳液中的孔， 在乳液中引起湍流以促进乳化，溶剂蒸馏或两者以产生用于制备调色剂的胶乳乳液。
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Patent Agency Ranking
6.发明申请公开(公告)号：US20140305340A1
公开(公告)日：2014-10-16
申请号：US13860476
申请日：2013-04-10
Applicant: XEROX CORPORATION
Inventor： Yu Liu , Ke Zhou , Frank Ping-Hay Lee , Yulin Wang
CPC classification number: C08K5/56 , B02C17/005 , B02C17/20 , C01P2004/62 , C01P2004/84 , C01P2006/40 , C01P2006/42 , C09C1/36 , C09C1/3623 , C09C1/48 , C09C3/063 , G03G9/0804 , G03G9/0812 , G03G9/0835 , G03G9/0837 , G03G9/0838 , G03G9/0839 , G03G9/0902 , G03G9/0904 , G03G9/0906
Abstract: A method for preparing a pigment dispersion includes a) adding a pigment, a surfactant, and a solvent into a vessel, b) adding magnetic particles into the vessel; and c) applying a varying magnetic field to move the magnetic particles to mill down pigment particle size. A system for preparing a pigment dispersion includes a) a vessel for holding a solution comprising pigment particles, a surfactant and a solvent, b) magnetic particles added to the solution, c) a source for applying a varying magnetic field to move the magnetic particles to mill down pigment particle size, and d) a collector for collecting the magnetic particles for re-using at a later time.
Abstract translation: 制备颜料分散体的方法包括：a）将颜料，表面活性剂和溶剂加入到容器中，b）向容器中加入磁性颗粒; 和c）施加变化的磁场以移动磁性颗粒以研磨颜料颗粒尺寸。 用于制备颜料分散体的系统包括：a）用于保持包含颜料颗粒，表面活性剂和溶剂的溶液的容器，b）添加到溶液中的磁性颗粒，c）用于施加变化磁场以移动磁性颗粒的源 粉碎颜料粒度，d）用于收集磁性颗粒以在稍后再次使用的收集器。
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公开(公告)号：US20170131649A1
公开(公告)日：2017-05-11
申请号：US15415333
申请日：2017-01-25
Applicant: Xerox Corporation
Inventor： Frank Ping-Hay Lee , Richard P. N. Veregin , Shigang S. Qiu , Michael J. D'Amato , Aurelian Valeriu Magdalinis , David John William Lawton
CPC classification number: G03G9/0812 , G03G9/0804 , G03G9/0808 , G03G9/081 , G03G9/0819 , G03G9/08755 , G03G9/08782 , G03G9/0904 , G03G9/0906 , G03G9/0926 , G03G9/09392
Abstract: A toner including a resin; and a colorant wax comprising a plurality of colorant wax particles comprising a colorant core surrounded by a wax shell, wherein the colorant wax particles exhibit a particle size distribution of from about 150 nanometers to less than about 300 nanometers; and wherein the colorant wax is prepared by (a) melting and mixing a dry colorant with at least one wax to form a colorant concentrate, wherein the colorant concentrate contains at least 25 percent by weight of colorant; (b) milling the colorant concentrate of step (a) to form a milled colorant concentrate; (c) combining the milled colorant concentrate of (b) with water and dispersing to form the plurality of colorant wax particles; wherein the melting and mixing of step (a) and the milling of step (b) is done in an immersion media mill; and wherein the combining of step (c) is done using a piston homogenizer.
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公开(公告)号：US09283534B2
公开(公告)日：2016-03-15
申请号：US14171481
申请日：2014-02-03
Applicant: Xerox Corporation
Inventor： Yulin Wang , Yu Liu , Ke Zhou , Frank Ping-Hay Lee
CPC classification number: B01J13/00 , B01J13/02 , C09B67/0097 , G03G9/0804
Abstract: A process and device for making a latex emulsion suitable for use in a toner composition which uses Steam Injection Emulsification (SIE) are disclosed, including a steam injection nozzle system, where the nozzle has one or more holes for releasing steam into an emulsion, which induces turbulence in the emulsion to facilitate emulsification, solvent distillation or both to produce latex emulsions for making toner.
Abstract translation: 公开了一种用于制造适用于使用蒸汽喷射乳化（SIE）的调色剂组合物中的胶乳乳液的方法和装置，其包括蒸汽喷嘴系统，其中喷嘴具有用于将蒸汽释放到乳液中的一个或多个孔， 在乳液中引起湍流以促进乳化，溶剂蒸馏或两者以产生用于制备调色剂的胶乳乳液。
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公开(公告)号：US20150299485A1
公开(公告)日：2015-10-22
申请号：US14256939
申请日：2014-04-19
Applicant: Xerox Corporation
Inventor： Frank Ping-Hay Lee , Marcel P. Breton , Aurelian Valeriu Magdalinis , Michael J. D'Amato , Biby Esther Abraham
IPC: C09D11/38 , C09D191/06 , C08K5/23 , C08K5/3417 , C08K5/20
CPC classification number: C09D11/38 , C08K5/20 , C08K5/23 , C08K5/3417 , C08K9/08 , C09D11/12 , C09D11/326 , C09D191/06 , C08K5/0041
Abstract: A process for preparing an aqueous ink composition including 1) preparing a colorant concentrate; 2) preparing a colorant wax dispersion by (a) melting and mixing a dry colorant with at least one wax to form a colorant concentrate, wherein the colorant concentrate contains at least 25 percent by weight of colorant; (b) milling the colorant concentrate of step (a) to form a milled colorant concentrate; (c) combining the milled colorant concentrate of (b) with water and dispersing to form a colorant wax dispersion comprising a plurality of colorant wax particles comprising a colorant core surrounded by a wax shell, wherein the colorant wax particles exhibit a particle size distribution of from about 150 nanometers to less than about 300 nanometers; wherein the melting and mixing of step (a) and the milling of step (b) is done in an immersion media mill; and wherein the combining of step (c) is done using a piston homogenizer; and 3) blending the colorant wax dispersion with an aqueous ink vehicle and optional ink additives to form an aqueous ink composition; and filtering the aqueous ink composition.
Abstract translation: 一种水性油墨组合物的制备方法，包括1）制备着色剂浓缩物; 2）通过（a）将干着色剂与至少一种蜡熔融和混合以形成着色剂浓缩物来制备着色剂蜡分散体，其中着色剂浓缩物含有至少25重量％的着色剂; （b）研磨步骤（a）的着色剂浓缩物以形成研磨的着色剂浓缩物; （c）将（b）的研磨的着色剂浓缩物与水混合并分散以形成包含多个着色剂蜡颗粒的着色剂蜡分散体，所述着色剂蜡颗粒包含被蜡壳包围的着色剂芯，其中着色剂蜡颗粒显示粒度分布 从约150纳米到小于约300纳米; 其中步骤（a）的熔融和混合和步骤（b）的研磨在浸渍介质研磨机中进行; 并且其中步骤（c）的组合使用活塞均化器进行; 和3）将着色剂蜡分散体与水性油墨载体和任选的油墨添加剂混合以形成水性油墨组合物; 并过滤水性油墨组合物。
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公开(公告)号：US20150299425A1
公开(公告)日：2015-10-22
申请号：US14256937
申请日：2014-04-19
Applicant: Xerox Corporation
Inventor： Frank Ping-Hay Lee , Aurelian Valeriu Magdalinis , Michael J. D'Amato , Richard P. N. Veregin , David John William Lawton , Marcel P. Breton
IPC: C08K5/3417
CPC classification number: C08K5/3417 , C09D11/322 , C09D11/34
Abstract: A process for preparing a pigmented wax dispersion including (a) melting and mixing a dry pigment with at least one wax to form a pigment concentrate, wherein the pigment concentrate contains at least 25 percent by weight of pigment; (b) milling the pigment concentrate of step (a) to form a milled pigment concentrate; (c) combining the milled pigment concentrate of (b) with water and dispersing to form a pigmented wax dispersion comprising a plurality of pigmented wax particles comprising a pigment core surrounded by a wax shell, wherein the pigmented wax particles exhibit a particle size distribution of from about 150 nanometers to less than about 300 nanometers; wherein the melting and mixing of step (a) and the milling of step (b) is done in an immersion media mill; and wherein the combining of step (c) is done using a piston homogenizer.
Abstract translation: 一种制备着色蜡分散体的方法，包括（a）将干颜料与至少一种蜡熔融和混合以形成颜料浓缩物，其中所述颜料浓缩物含有至少25重量％的颜料; （b）研磨步骤（a）的颜料浓缩物以形成研磨的颜料浓缩物; （c）将（b）的研磨的颜料浓缩物与水混合并分散以形成着色的蜡分散体，其包含多个着色的蜡颗粒，其包含被蜡壳包围的颜料芯，其中着色的蜡颗粒表现出 从约150纳米到小于约300纳米; 其中步骤（a）的熔融和混合和步骤（b）的研磨在浸渍介质研磨机中进行; 并且其中步骤（c）的组合使用活塞均化器进行。
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