公开(公告)号：US20060093951A1

公开(公告)日：2006-05-04

申请号：US10978652

申请日：2004-10-31

申请人： Hsin Chou ,  Jiayi Zhu ,  James Baker ,  A. Fordahl

发明人： Hsin Chou ,  Jiayi Zhu ,  James Baker ,  A. Fordahl

IPC分类号： G03G9/12

CPC分类号： G03G9/133 ,  G03G9/125

摘要： Methods of preparing a liquid electrographic toner composition are provided, wherein a polymeric binder comprising at least one amphipathic copolymer comprising one or more S material portions and one or more D material portions is first prepared in a hydrocarbon reaction solvent, wherein the hydrocarbon reaction solvent comprises less than about 10% aromatic components by weight and has a Kauri-Butanol number less than about 30 mL. Toner particles are then formulated in the hydrocarbon reaction solvent and dried. The dried toner particles are then redispersed in a carrier liquid that is different from the reaction solvent, wherein the carrier liquid comprises less than about 10% aromatic components by weight and has a Kauri-Butanol number less than about 30 mL, to form a redispersed liquid electrographic toner composition. Preferred carrier liquids are silicone oils. Products and kits are also provided.

摘要翻译： 提供制备液体电摄影调色剂组合物的方法，其中首先在烃反应溶剂中制备包含至少一种包含一种或多种S材料部分和一种或多种D材料部分的两亲共聚物的聚合物粘合剂，其中烃反应溶剂包含 小于约10重量％的芳香组分，并且具有小于约30mL的贝壳杉醇丁醇值。 然后将调色剂颗粒配制在烃反应溶剂中并干燥。 然后将干燥的调色剂颗粒再分散在与反应溶剂不同的载体液体中，其中载体液体包含小于约10重量％的芳族组分，并且具有小于约30mL的贝壳杉脂丁醇值，以形成再分散的 液体电摄影调色剂组合物。 优选的载体液体是硅油。 还提供产品和工具包。

公开(公告)号：US07147978B2

公开(公告)日：2006-12-12

申请号：US10277268

申请日：2002-10-22

申请人： Jiayi Zhu ,  Kristine A. Fordahl

发明人： Jiayi Zhu ,  Kristine A. Fordahl

IPC分类号： G03G5/147

CPC分类号： G03G5/14769

摘要： This invention relates to a photoreceptor that includes: (a) an overcoat layer comprising at least a rheology modifier and a polymeric resin selected from the group consisting of urethane resins, urethane-epoxy resins, acrylated-urethane resins, urethane-acrylic resins, and a combination thereof. (b) at least a charge transport compound; (c) at least a charge generating compound; and (d) an electrically conductive substrate.

公开(公告)号：US06869741B2

公开(公告)日：2005-03-22

申请号：US10167932

申请日：2002-06-10

申请人： Jiayi Zhu ,  Zbigniew Tokarski ,  Ronald J. Moudry ,  Kristine A. Fordahl ,  David T. Ask ,  Jonas Sidaravicius ,  Edmundas Montrimas ,  Kam W. Law ,  Valentas Gaidelis

发明人： Jiayi Zhu ,  Zbigniew Tokarski ,  Ronald J. Moudry ,  Kristine A. Fordahl ,  David T. Ask ,  Jonas Sidaravicius ,  Edmundas Montrimas ,  Kam W. Law ,  Valentas Gaidelis

IPC分类号： G03G5/07 ,  G03G5/05 ,  G03G5/06 ,  G03G5/147

CPC分类号： G03G5/0661 ,  G03G5/0532 ,  G03G5/0542 ,  G03G5/0546 ,  G03G5/0616 ,  G03G5/0648 ,  G03G5/1473 ,  G03G5/14734 ,  G03G5/14791 ,  G03G5/14795

摘要： A photoreceptor with good mechanical and physical properties is provided with an overcoat layer comprising a copolymer of an α,β-ethylenically unsaturated carboxylic acid and an α,β-ethylenically unsaturated monomer wherein the weight percent of the α,β-ethylenically unsaturated carboxylic-acid is at least 25% up to 99% of the copolymer. The copolymer may comprise an α,β-ethylenically unsaturated carboxylic acid and an α,β-ethylenically unsaturated monomer wherein the copolymer has an acid value of at least 150 mg KOH/g the copolymer. The copolymer may be present in a blend with a second polymer or copolymer comprised of units derived from a second α,β-ethylenically unsaturated monomer that is different from the an α,β-ethylenically unsaturated carboxylic acid and/or the α,β-ethylenically unsaturated monomer. The copolymer or the copolymer blend may be present in a layer that is crosslinked or crosslinkable, the crosslinking being effected through a distinct crosslinking agent that reacts with group(s) on the an α,β-ethylenically unsaturated carboxylic acid or the α,β-ethylenically unsaturated monomer.

摘要翻译： 提供具有良好机械和物理性质的感光体，其具有包含α，β-烯键式不饱和羧酸和α，β-烯属不饱和单体的共聚物的外涂层，其中α，β-烯键式不饱和羧酸 - 酸是至少25％至99％的共聚物。 共聚物可以包含α，β-烯属不饱和羧酸和α，β-烯属不饱和单体，其中共聚物的酸值至少为150mg KOH / g。 共聚物可以与第二聚合物或共聚物一起存在，所述第二聚合物或共聚物由衍生自不同于α，β-烯键式不饱和羧酸和/或α，β-烯属不饱和羧酸的第二α，β-烯属不饱和单体的单元组成， 烯属不饱和单体。 共聚物或共聚物共混物可以存在于交联或可交联的层中，交联通过与α，β-烯属不饱和羧酸或α，β上的基团反应的不同交联剂进行 烯属不饱和单体。

公开(公告)号：US07405027B2

公开(公告)日：2008-07-29

申请号：US10978652

申请日：2004-10-31

申请人： Hsin Hsin Chou ,  Jiayi Zhu ,  James A. Baker ,  A. Kristine Fordahl

发明人： Hsin Hsin Chou ,  Jiayi Zhu ,  James A. Baker ,  A. Kristine Fordahl

IPC分类号： G03G9/12

CPC分类号： G03G9/133 ,  G03G9/125

摘要： Methods of preparing a liquid electrographic toner composition are provided, wherein a polymeric binder comprising at least one amphipathic copolymer comprising one or more S material portions and one or more D material portions is first prepared in a hydrocarbon reaction solvent, wherein the hydrocarbon reaction solvent comprises less than about 10% aromatic components by weight and has a Kauri-Butanol number less than about 30 mL. Toner particles are then formulated in the hydrocarbon reaction solvent and dried. The dried toner particles are then redispersed in a carrier liquid that is different from the reaction solvent, wherein the carrier liquid comprises less than about 10% aromatic components by weight and has a Kauri-Butanol number less than about 30 mL, to form a redispersed liquid electrographic toner composition. Preferred carrier liquids are silicone oils. Products and kits are also provided.

摘要翻译： 提供制备液体电摄影调色剂组合物的方法，其中首先在烃反应溶剂中制备包含至少一种包含一种或多种S材料部分和一种或多种D材料部分的两亲共聚物的聚合物粘合剂，其中烃反应溶剂包含 小于约10重量％的芳香组分，并且具有小于约30mL的贝壳杉醇丁醇值。 然后将调色剂颗粒配制在烃反应溶剂中并干燥。 然后将干燥的调色剂颗粒再分散在与反应溶剂不同的载体液体中，其中载体液体包含小于约10重量％的芳族组分，并且具有小于约30mL的贝壳杉脂丁醇值，以形成再分散的 液体电摄影调色剂组合物。 优选的载体液体是硅油。 还提供产品和工具包。

公开(公告)号：US20060093944A1

公开(公告)日：2006-05-04

申请号：US10975526

申请日：2004-10-28

申请人： Jiayi Zhu ,  James Baker

发明人： Jiayi Zhu ,  James Baker

IPC分类号： G03G9/087

CPC分类号： G03G9/08733 ,  G03G9/0806 ,  G03G9/08722 ,  G03G9/08724 ,  G03G9/08726 ,  G03G9/08728 ,  G03G9/08735 ,  G03G9/08782 ,  G03G9/08786 ,  G03G9/08788 ,  G03G9/08791 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/125 ,  G03G9/131 ,  G03G9/133

摘要： The invention provides dry electrographic toner compositions comprising toner particles. The toner particles comprise polymeric binder comprising at least one amphipathic copolymer comprising one or more S material portions and one or more D material portions prepared from an organosol reaction process utilizing a liquid carrier reaction medium having a Kauri-Butanol number less than about 30 mL. The S material portion comprises at least one soluble component and at least one non-sorptive component, wherein the non-sorptive component is the reaction product of monomers having an absolute difference in Hildebrand solubility parameter from the liquid carrier of about 3.0 MPa1/2 or greater. Additionally, dry electrographic toner compositions are provided wherein the toner particles comprise polymeric binder comprising at least one amphipathic copolymer comprising one or more S material portions and one or more D material portions. The S material portion of the amphipathic copolymer has an average Hildebrand solubility parameter of from about from about 16 MPa1/2 to about 17.3 MPa1/2, and comprises at least one non-sorptive component having an average Hildebrand solubility parameter that is at least about 0.4 MPa1/2 greater than the average Hildebrand solubility parameter of the S material portion. The resulting dry toner composition can exhibit excellent final image durability characteristics, and can also provide excellent images at low fusion temperatures on a final image receptor.

摘要翻译： 本发明提供了包含调色剂颗粒的干电摄影调色剂组合物。 调色剂颗粒包括聚合物粘合剂，其包含至少一种两亲共聚物，其包含一种或多种S材料部分和一种或多种D材料部分，其由使用具有小于约30mL的贝壳杉脂丁醇值的液体载体反应介质的有机溶胶反应方法制备。 S材料部分包含至少一种可溶性组分和至少一种非吸附组分，其中非吸附组分是来自液体载体的Hildebrand溶度参数的绝对差异的单体的反应产物为约3.0MPa 1/2以上。 另外，提供干电摄影调色剂组合物，其中调色剂颗粒包含聚合物粘合剂，其包含至少一种包含一个或多个S材料部分和一个或多个D材料部分的两亲共聚物。 两亲共聚物的S材料部分具有约16MPa 1/2至约17.3MPa 1/2的平均希尔德布兰德溶解度参数，并且至少包括 一种非吸附组分具有平均希尔德布兰德溶解度参数，其比S材料部分的平均希尔德布兰氏溶解度参数大至少约0.4MPa 1/2。 所得到的干燥调色剂组合物可以表现出优异的最终图像耐久性特征，并且还可以在最终图像受体的低熔融温度下提供优异的图像。

公开(公告)号：US20060093949A1

公开(公告)日：2006-05-04

申请号：US10975557

申请日：2004-10-28

申请人： Jiayi Zhu ,  Gay Herman

发明人： Jiayi Zhu ,  Gay Herman

IPC分类号： G03G9/13

CPC分类号： G03G9/08722 ,  G03G9/08708 ,  G03G9/08711 ,  G03G9/08724 ,  G03G9/08728 ,  G03G9/08733 ,  G03G9/08791 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/13 ,  G03G9/131 ,  G03G9/133

摘要： The invention provides liquid electrographic toner compositions comprising a liquid carrier having toner particles dispersed in the liquid carrier. The liquid carrier has a Kauri-Butanol number less than about 30 mL. The toner particles comprise polymeric binder comprising at least one amphipathic copolymer comprising one or more S material portions and one or more D material portions. The S material portion comprises at least one soluble component and at least one insoluble component, wherein the insoluble component is the reaction product of monomers having an absolute difference in Hildebrand solubility parameter from the liquid carrier of about 3.0 MPa1/2 or greater. These toner particles can exhibit excellent final image durability characteristics, and can also provide toner compositions that provide excellent images at low fusion temperatures on a final image receptor.

摘要翻译： 本发明提供液体电摄影调色剂组合物，其包括具有分散在液体载体中的调色剂颗粒的液体载体。 液体载体的贝壳胡丁醇数小于约30mL。 调色剂颗粒包含聚合物粘合剂，其包含至少一种包含一种或多种S材料部分和一种或多种D材料部分的两亲共聚物。 S材料部分包含至少一种可溶性组分和至少一种不溶性组分，其中不溶性组分是来自液体载体的希尔德布兰德溶度参数绝对差异的单体的反应产物为约3.0MPa 1/2 / SUP>或更大。 这些调色剂颗粒可以表现出优异的最终图像耐久性特征，并且还可以提供在最终图像受体的低熔融温度下提供优异图像的调色剂组合物。

公开(公告)号：US06890693B2

公开(公告)日：2005-05-10

申请号：US10396536

申请日：2003-03-25

申请人： Jiayi Zhu ,  Nusrallah Jubran ,  Zbigniew Tokarski ,  James A. Baker ,  Ronald J. Moudry

发明人： Jiayi Zhu ,  Nusrallah Jubran ,  Zbigniew Tokarski ,  James A. Baker ,  Ronald J. Moudry

IPC分类号： G03G5/043 ,  G03G5/047 ,  G03G5/06 ,  G03G5/14 ,  G03G5/147

CPC分类号： G03G5/047 ,  G03G5/0696 ,  G03G5/142 ,  G03G5/14708

摘要： Improved organophotoreceptor have an electrically conductive substrate, a charge generation layer comprising a charge generation compound and optionally a charge transport compound, and an overcoat layer comprising an electron transport compound wherein the charge generation layer is between the overcoat layer and the electrically conductive substrate. The organophotoreceptor can optionally comprise a charge transport layer and/or other desired layers. The organophotoreceptors are useful in electrophotographic imaging apparatuses and corresponding processes.

摘要翻译： 改进的有机光感受器具有导电基底，电荷产生层，其包含电荷产生化合物和任选的电荷输送化合物，以及包含电子传输化合物的外涂层，其中电荷产生层位于外涂层和导电基底之间。 有机光感受器可任选地包含电荷传输层和/或其它所需的层。 有机光感受器在电子照相成像设备和相应的工艺中是有用的。

公开(公告)号：US07183026B2

公开(公告)日：2007-02-27

申请号：US10453347

申请日：2003-06-03

申请人： Jiayi Zhu ,  Ronald J. Moudry

发明人： Jiayi Zhu ,  Ronald J. Moudry

IPC分类号： G03G5/06

CPC分类号： G03G5/047 ,  G03G5/0517 ,  G03G5/0521 ,  G03G5/06 ,  Y10S430/103

摘要： This invention relates to an improved organophotoreceptor that comprises an electrically conductive substrate having at least a surface; an inner photoconductive layer adjacent the surface of the electrically conductive substrate; and an outer photoconductive layer adjacent the inner photoconductive layer. In some embodiments, the inner photoconductive layer comprises a first binder in an amount not more than 45% by weight of the inner photoconductive layer, a first charge generating compound, and a charge transport compound, and the outer photoconductive layer comprises a second binder in an amount not less than 45% by weight of the outer photoconductive layer and a second charge generating compound. The inner photoconductive layer and the outer photoconductive layer can be discrete layers or sections of a gradient layer.

摘要翻译： 本发明涉及改进的有机光感受器，其包括具有至少一个表面的导电基底; 与所述导电基底的表面相邻的内部光电导层; 以及与内部光电导层相邻的外部光电导层。 在一些实施方案中，内部光电导层包含不大于内部光导电层的45重量％的量的第一粘合剂，第一电荷产生化合物和电荷输送化合物，并且外部光电导层包含第二粘合剂 不小于外部光电导层的45重量％和第二电荷产生化合物的量。 内部光电导层和外部光电导层可以是离散层或梯度层的部分。

公开(公告)号：US06342324B1

公开(公告)日：2002-01-29

申请号：US09504461

申请日：2000-02-16

申请人： Minyu Li ,  M. Zaki Ali ,  Eric D. Morrison ,  Charles W. Simpson ,  Leonard J. Stulc ,  Ramnath Subramaniam ,  Jiayi Zhu

发明人： Minyu Li ,  M. Zaki Ali ,  Eric D. Morrison ,  Charles W. Simpson ,  Leonard J. Stulc ,  Ramnath Subramaniam ,  Jiayi Zhu

IPC分类号： G03G5147

CPC分类号： G03G5/14773 ,  C09D183/04 ,  C08L83/00

摘要： Release compositions include (a) from zero to about 30 parts by weight of a polymer selected from the group consisting of wherein R1, R2, R3, R6, R7, R10, R11, and R12 are each independently selected from an alkyl group, an alkenyl group, an aryl group, and an aralkyl group, such that at least one of R6 and R7 is an alkenyl group, l, m, and n are each independently an integer so long as the polymer contains greater than 3 mol % vinyl-containing siloxane groups; a (vinyl siloxy)(siloxy)-modified silica having a vinyl content of at least about 0.4 vinyl equivalent/kg; and a combination thereof; (b) more than about 20 parts by weight of a polymer having the formula wherein R13, R14, R15, R18, R19, R22, R23, and R24 are each independently selected from an alkyl group, an alkenyl group, an aryl group, and an aralkyl group, such that at least two of R13, R14, R15, R18, R19, R22, R23, and R24 are alkenyl groups, p, q, and r are each independently integers so long as the polymer has less than 3 mol % vinyl-containing siloxane groups; and (c) up to about 20 parts by weight of a cross-linking agent of the formula wherein R36, R37, R38, R43, R44, and R45 are each independently selected from hydrogen, an alkyl group, an aryl group, and an aralkyl group, X is O, or a divalent organic linking group, and s and t are independently integers so long as there are at least two functional groups capable of cross-linking per molecule.

摘要翻译： 脱模剂组合物包括（a）从0至约30重量份的选自由以下组成的组的聚合物：R1，R2，R3，R6，R7，R10，R11和R12各自独立地选自烷基，烯基 基团，芳基和芳烷基，使得R 6和R 7中的至少一个为烯基，l，m和n各自独立地为整数，只要该聚合物含有大于3摩尔％的含乙烯基的 硅氧烷基团; 具有至少约0.4乙烯当量/ kg的乙烯基含量的（乙烯基甲硅烷氧基）（甲硅烷氧基） - 改性二氧化硅; 及其组合;（b）大于约20重量份的具有式R 13，R 14，R 15，R 18，R 19，R 22，R 23和R 24的聚合物各自独立地选自烷基，烯基， 芳基和芳烷基，使得R 13，R 14，R 15，R 18，R 19，R 22，R 23和R 24中的至少两个是烯基，p，q和r各自独立地为整数，只要聚合物 具有少于3摩尔％的含乙烯基的硅氧烷基团; 和（c）最多约20重量份的式R 36，R 37，R 38，R 43，R 44和R 45的交联剂各自独立地选自氢，烷基，芳基和芳烷基 基团，X为O或二价有机连接基团，且t和t独立地为整数，只要每分子具有至少两个能够交联的官能团即可。

公开(公告)号：US07244540B2

公开(公告)日：2007-07-17

申请号：US10975557

申请日：2004-10-28

申请人： Jiayi Zhu ,  Gay L. Herman

发明人： Jiayi Zhu ,  Gay L. Herman

IPC分类号： G03G9/13

CPC分类号： G03G9/08722 ,  G03G9/08708 ,  G03G9/08711 ,  G03G9/08724 ,  G03G9/08728 ,  G03G9/08733 ,  G03G9/08791 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/13 ,  G03G9/131 ,  G03G9/133

摘要： The invention provides liquid electrographic toner compositions comprising a liquid carrier having toner particles dispersed in the liquid carrier. The liquid carrier has a Kauri-Butanol number less than about 30 mL. The toner particles comprise polymeric binder comprising at least one amphipathic copolymer comprising one or more S material portions and one or more D material portions. The S material portion comprises at least one soluble component and at least one insoluble component, wherein the insoluble component is the reaction product of monomers having an absolute difference in Hildebrand solubility parameter from the liquid carrier of about 3.0 MPa1/2 or greater. These toner particles can exhibit excellent final image durability characteristics, and can also provide toner compositions that provide excellent images at low fusion temperatures on a final image receptor.

摘要翻译： 本发明提供液体电摄影调色剂组合物，其包括具有分散在液体载体中的调色剂颗粒的液体载体。 液体载体的贝壳胡丁醇数小于约30mL。 调色剂颗粒包含聚合物粘合剂，其包含至少一种包含一种或多种S材料部分和一种或多种D材料部分的两亲共聚物。 S材料部分包含至少一种可溶性组分和至少一种不溶性组分，其中不溶性组分是来自液体载体的希尔德布兰德溶度参数绝对差异的单体的反应产物为约3.0MPa 1/2 / SUP>或更大。 这些调色剂颗粒可以表现出优异的最终图像耐久性特征，并且还可以提供在最终图像受体的低熔融温度下提供优异图像的调色剂组合物。