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公开(公告)号：US09176403B2
公开(公告)日：2015-11-03
申请号：US13943720
申请日：2013-07-16
Applicant: XEROX CORPORATION
Inventor： Karen Moffat , Shigang Steven Qiu , Samir Kumar , Robert D. Bayley , Grazyna E. Kmiecik-Lawrynowicz , Maura A. Sweeney
CPC classification number: G03G9/0806 , G03G9/0823 , G03G9/08708 , G03G9/08728 , G03G9/08731 , G03G9/09321 , G03G9/09335 , G03G9/09392 , G03G9/09783 , G03G9/09791
Abstract: A process includes forming, by emulsion polymerization, polymer resin particles in a latex, the polymer resin particles being formed from a mixture including one or more monomer emulsions and a non-surfactant-based charge control agent, the emulsion polymerization is carried out with a solids content in a range from about 10 to about 30 percent by weight of the mixture, and forming toner particles from the polymer resin particles, the toner particles support a sufficient triboelectric charge for use under A-zone environmental conditions in a single-component development system.
Abstract translation: 一种方法包括通过乳液聚合形成胶乳中的聚合物树脂颗粒，所述聚合物树脂颗粒由包含一种或多种单体乳液和非表面活性剂的电荷控制剂的混合物形成，所述乳液聚合是用 固体含量在混合物的约10至约30重量％的范围内，并且由聚合物树脂颗粒形成调色剂颗粒，调色剂颗粒在单组分显影中支持在A区环境条件下使用的足够的摩擦电荷 系统。
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公开(公告)号：US20140162184A1
公开(公告)日：2014-06-12
申请号：US13711620
申请日：2012-12-12
Applicant: XEROX CORPORATION
Inventor： Grazyna E. Kmiecik-Lawrynowicz , Michael F. Zona , Mark E. Mang , Maura A. Sweeney , Robert D. Bayley
IPC: G03G9/08
CPC classification number: G03G9/08782 , G03G9/0827 , G03G9/0906 , G03G9/09321 , G03G9/09364 , G03G9/09716 , G03G9/09725
Abstract: The present disclosure describes a color single component toner with desirable fusing performance.
Abstract translation: 本公开描述了具有期望的熔合性能的彩色单组分调色剂。
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公开(公告)号：US20130252162A1
公开(公告)日：2013-09-26
申请号：US13896245
申请日：2013-05-16
Applicant: XEROX CORPORATION
CPC classification number: G03G9/093 , C08J3/02 , C08K5/098 , C09D125/14 , G03G9/08 , G03G9/0804 , G03G9/0806 , G03G9/0821 , G03G9/0823 , G03G9/087 , G03G9/08711 , G03G9/09328 , G03G9/09371 , G03G9/09392 , G03G9/097 , G03G9/09733 , C08L25/14
Abstract: A process includes forming particles in a latex by emulsion polymerization of a mixture including one or more monomers in an emulsion, and about 4 percent or less by weight of the mixture of a non-surfactant-based charge control agent, the non-surfactant-based charge control agent is distributed within a matrix of the particles, and forming toner particles from the particles in the latex, the toner particles supporting a sufficient triboelectric charge for use under A-zone environmental conditions in a single-component development system.
Abstract translation: 一种方法包括通过在乳液中包含一种或多种单体的混合物的乳液聚合在胶乳中形成颗粒，以及基于非表面活性剂的电荷控制剂，非表面活性剂的电荷控制剂的混合物的重量的约4％ 基于电荷的控制剂分布在颗粒的基质内，并从胶乳中的颗粒形成调色剂颗粒，调色剂颗粒在单组分显影系统中在A区环境条件下支撑足够的摩擦电荷。
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公开(公告)号：US09164410B2
公开(公告)日：2015-10-20
申请号：US13930938
申请日：2013-06-28
Applicant: XEROX CORPORATION
Inventor： Grazyna E. Kmiecik-Lawrynowicz , Maura A. Sweeney , Daniel W. Asarese , Samir Kumar
CPC classification number: G03G9/09775 , G03G9/0819 , G03G9/0827 , G03G9/08782 , G03G9/09321 , G03G9/09328 , G03G9/09335 , G03G9/09364 , G03G9/09716 , G03G9/09725 , G03G9/09733
Abstract: A toner composition with a novel surface additive package for developing images is provided. The additive package comprises a sol-gel silica, a PDMS silica, an HMDS silica, and an organic spacer such as PMMA, and melamine. The toner composition exhibits improved properties and are useful for high speed printing on Single Component Development systems.
Abstract translation: 提供了具有用于显影图像的新型表面添加剂包的调色剂组合物。 添加剂包括溶胶 - 凝胶二氧化硅，PDMS二氧化硅，HMDS二氧化硅和有机间隔物如PMMA和三聚氰胺。 调色剂组合物显示出改进的性能，并且可用于单组分开发系统上的高速印刷。
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公开(公告)号：US09046799B2
公开(公告)日：2015-06-02
申请号：US13864264
申请日：2013-04-17
Applicant: Xerox Corporation
Inventor： Grazyna E. Kmiecik-Lawrynowicz , Maura A. Sweeney , Robert D. Bayley , Witold J. Lawrynowicz
CPC classification number: G03G9/0821 , G03G9/0804 , G03G9/08782
Abstract: Disclosed is an emulsion aggregation toner substantially free of added colorants comprising a resin and a silicone wax of the formula wherein the silicone wax has a weight average molecular weight of from about 5,000 to about 17,000 and a melting temperature of from about 38° C. to about 65° C.
Abstract translation: 公开了一种乳液聚集调色剂，其基本上不含添加的着色剂，其包含树脂和下式的硅氧烷蜡，其中硅氧烷蜡的重均分子量为约5,000至约17,000，熔融温度为约38℃至 约65℃
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Patent Agency Ranking
公开(公告)号：US20140255841A1
公开(公告)日：2014-09-11
申请号：US14285193
申请日：2014-05-22
Applicant: XEROX CORPORATION
CPC classification number: G03G9/09708 , G03G9/0804 , G03G9/0819 , G03G9/0823 , G03G9/0827 , G03G9/08797
Abstract: A toner having charge control agents which impart excellent triboelectric charging characteristics. In embodiments, the toner particles are made by a process in which charge control agent is added and adhered to the particle surface through washing steps and is maintained through the drying steps. The process of the present embodiments impart desirable charging characteristics to the toner particles.
Abstract translation: 具有赋予优异摩擦带电特性的电荷控制剂的调色剂。 在实施方案中，调色剂颗粒通过其中加入电荷控制剂并通过洗涤步骤粘附到颗粒表面并通过干燥步骤维持的方法制备。 本实施例的方法赋予调色剂颗粒所需的充电特性。
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公开(公告)号：US20140120467A1
公开(公告)日：2014-05-01
申请号：US13666856
申请日：2012-11-01
Applicant: XEROX CORPORATION
Inventor： Maura A. Sweeney , Robert D. Bayley , Grazyna E. Kmiecik-Lawrynowicz , Brian S. Wang
IPC: G03G9/08
CPC classification number: G03G9/09708 , G03G9/0804 , G03G9/0806 , G03G9/0825 , G03G9/08711 , G03G9/09371 , G03G9/09392 , G03G9/09783
Abstract: A toner having charge control agents which impart excellent triboelectric charging characteristics. In embodiments, the toner particles are made by a process in which the toner particles are made without a shell which provides homogenous distribution of the charge control agents, providing a toner with higher charge and better environmental stability
Abstract translation: 具有赋予优异摩擦带电特性的电荷控制剂的调色剂。 在实施方案中，调色剂颗粒通过其中调色剂颗粒制成而不具有均匀分布电荷控制剂的壳的方法制备，提供具有更高电荷和更好环境稳定性的调色剂
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公开(公告)号：US20200050121A1
公开(公告)日：2020-02-13
申请号：US16102103
申请日：2018-08-13
Applicant: Xerox Corporation
Abstract: The present disclosure provides toners and toner processes. In embodiments, a toner is provided which comprises a first resin having a weight average molecular weight of no more than about 28,000 and an onset second heat Tg of no more than about 50° C.; a second resin having a weight average molecular weight greater than that of the first resin; and a paraffin wax having a melting point in the range of from about 65° C. to about 95° C.
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公开(公告)号：US09023567B2
公开(公告)日：2015-05-05
申请号：US13667448
申请日：2012-11-02
Applicant: Xerox Corporation
Inventor： Robert D. Bayley , Maura A. Sweeney , Grazyna E. Kmiecik-Lawrynowicz
CPC classification number: G03G9/09783 , G03G9/0804 , G03G9/093 , G03G9/09321 , G03G9/09392 , G03G9/09733 , G03G9/09741 , G03G9/0975
Abstract: A toner particle has a core and a shell surrounding the core, wherein the shell contains a polymerized charge enhanced spacer particle, which is a copolymer of a charge control agent and a monomer. A method of making toner particles includes forming a slurry by mixing together a first emulsion containing a resin, optionally a wax, optionally a colorant, optionally a surfactant, optionally a coagulant, and one or more additional optional additive, heating the slurry to form aggregated particles in the slurry, forming a second emulsion containing a monomer and a charge control agent, polymerizing the second emulsion to form a copolymer of the monomer and the charge control agent, and incorporating the copolymer into the toner particles, wherein the aggregated particles form a core of the toner particles.
Abstract translation: 调色剂颗粒具有包围芯的芯和壳，其中壳包含作为电荷控制剂和单体的共聚物的聚合电荷增强间隔物颗粒。 制备调色剂颗粒的方法包括通过将包含树脂，任选的蜡，任选的着色剂，任选的表面活性剂，任选的絮凝剂和一种或多种另外的任选添加剂的第一乳液混合在一起形成浆料，加热浆料以形成聚集的 形成含有单体和电荷控制剂的第二乳液，聚合第二乳液以形成单体和电荷控制剂的共聚物，并将共聚物掺入调色剂颗粒中，其中聚集的颗粒形成 核心的调色剂颗粒。
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公开(公告)号：US08900787B2
公开(公告)日：2014-12-02
申请号：US13896245
申请日：2013-05-16
Applicant: Xerox Corporation
CPC classification number: G03G9/093 , C08J3/02 , C08K5/098 , C09D125/14 , G03G9/08 , G03G9/0804 , G03G9/0806 , G03G9/0821 , G03G9/0823 , G03G9/087 , G03G9/08711 , G03G9/09328 , G03G9/09371 , G03G9/09392 , G03G9/097 , G03G9/09733 , C08L25/14
Abstract: A process includes forming particles in a latex by emulsion polymerization of a mixture including one or more monomers in an emulsion, and about 4 percent or less by weight of the mixture of a non-surfactant-based charge control agent, the non-surfactant-based charge control agent is distributed within a matrix of the particles, and forming toner particles from the particles in the latex, the toner particles supporting a sufficient triboelectric charge for use under A-zone environmental conditions in a single-component development system.
Abstract translation: 一种方法包括通过在乳液中包含一种或多种单体的混合物的乳液聚合在胶乳中形成颗粒，以及基于非表面活性剂的电荷控制剂，非表面活性剂的电荷控制剂的混合物的重量的约4％ 基于电荷的控制剂分布在颗粒的基质内，并从胶乳中的颗粒形成调色剂颗粒，调色剂颗粒在单组分显影系统中在A区环境条件下支撑足够的摩擦电荷。
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