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    • 1. 发明授权
    • Liquid developers and toner aggregation processes
    • 液体显影剂和调色剂聚集过程
    • US5536615A
    • 1996-07-16
    • US498206
    • 1995-07-05
    • Michael A. HopperRaj D. PatelGrazyna E. Kmiecik-LawrynowiczPeter G. OdellBernard GrushkinGeorge A. Gibson
    • Michael A. HopperRaj D. PatelGrazyna E. Kmiecik-LawrynowiczPeter G. OdellBernard GrushkinGeorge A. Gibson
    • G03G9/08G03G9/12G03G9/135G03G9/13
    • G03G9/12G03G9/0804G03G9/0819G03G9/1355
    • A process for the preparation of liquid developers comprising:(i) preparing a pigment dispersion, which dispersion is comprised of a pigment, and an ionic surfactant;(ii) shearing said pigment dispersion with a latex or emulsion blend comprised of a nonionic surfactant, resin, and a counterionic surfactant with a charge polarity of opposite sign to that of said ionic surfactant and optionally adding further anionic, or nonionic surfactant to stabilize the aggregates obtained in (iii);(iii) heating the above resulting sheared aqueous blend below about the glass transition temperature (Tg) of the resin to form toner size aggregates with a narrow particle size distribution;(iv) heating said bound aggregates above about the Tg of the resin to form toner size particles in an aqueous medium and which particles possess a narrow particle size distribution; and(v) separating from the aqueous medium toner particles of resin and pigment, and dispersing said toner particles in a carrier fluid.
    • 一种用于制备液体显影剂的方法,包括:(i)制备颜料分散体,该分散体由颜料和离子表面活性剂组成; (ii)用包含非离子表面活性剂,树脂和抗衡离子表面活性剂的胶乳或乳液共混物剪切所述颜料分散体,所述非离子表面活性剂,树脂和所述离子表面活性剂的电荷极性与所述离子表面活性剂具有相反的电荷极性, (iii)中得到的聚集体; (iii)将上述所得的剪切含水混合物加热到低于树脂的玻璃化转变温度(Tg)的温度以形成具有窄粒度分布的调色剂尺寸聚集体; (iv)将所述结合的聚集体加热到树脂的Tg附近,以在水性介质中形成调色剂颗粒,并且该颗粒具有窄的粒度分布; 和(v)从水性介质中分离树脂和颜料的调色剂颗粒,并将所述调色剂颗粒分散在载体流体中。
    • 4. 发明授权
    • Custom color inkjet printing system
    • 定制彩色喷墨打印系统
    • US06938984B2
    • 2005-09-06
    • US10342542
    • 2003-01-15
    • Kristine A. GermanGeorge A. Gibson
    • Kristine A. GermanGeorge A. Gibson
    • B41J2/01B41J2/175B41J2/21
    • B41J2/17543B41J2/175B41J2/17509
    • An inkjet printing system for printing custom colors is provided. An ink mixing station is also provided. The printing system includes multiple ink channels, an ink cartridge sensor for each channel, and a controller. A method for printing custom colors in a printing system with multiple ink cartridges is provided. In another embodiment, the printing system includes an in situ mixed ink channel for receiving two or more ink supply dispensers and a controller. The in situ mixed ink channel includes an supply dispenser sensor and supply valve member for each supply dispenser, a mixing reservoir, a pump motor, and a print head. A method for printing custom colors using an in situ mixed ink channel is provided. The station includes an in situ mixed ink channel and a controller. A method for mixing custom color inks and filling inkjet ink containers in the station is provided.
    • 提供用于打印定制颜色的喷墨打印系统。 还提供了一个墨水搅拌站。 打印系统包括多个墨水通道,每个通道的墨盒传感器和控制器。 提供了一种用于在具有多个墨盒的打印系统中打印定制颜色的方法。 在另一个实施例中,打印系统包括用于接收两个或更多墨水供应分配器和控制器的原位混合墨水通道。 原位混合墨水通道包括用于每个供应分配器,混合容器,泵马达和打印头的供应分配器传感器和供应阀构件。 提供了一种使用原位混合墨水通道打印定制颜色的方法。 该车站包括一个原位混合油墨通道和一个控制器。 提供了一种用于混合定制彩色墨水和在该台中填充喷墨墨水容器的方法。
    • 5. 发明授权
    • Liquid developing material replenishment control system
    • 液体显影材料补充控制系统
    • US5923356A
    • 1999-07-13
    • US551381
    • 1995-11-01
    • George A. GibsonJames R. Larson
    • George A. GibsonJames R. Larson
    • G03G15/10B41J2/385G03G13/04
    • G03G15/105G03G2215/017
    • An apparatus for developing an electrostatic latent image in a liquid developing material-based electrostatographic printing machine including a control system for controlling an amount of marking particles, carrier liquid and/or charge director added to a supply of liquid developing material utilized for developing a latent electrostatic image such that the concentration of marking particles and or charge director can be maintained at an optimal value. The amount of marking particles, carrier liquid and/or charge director in a supply of liquid developing material is maintained at a predetermined optimal value in response to the amount of marking particles and/or charge director depleted from the supply of liquid developing material with each development cycle. A supply reservoir is maintained with a substantially constant amount of liquid carrier to which is added marking particles and/or charge director to provide an operative solution of liquid developing material. For each development cycle, the amount of marking particles and/or charge director depleted from the supply of liquid developing material is determined as a function of the number of picture elements or pixels making up the image being developed. Marking particles and/or charge director concentrate are added to the supply reservoir to maintain the amount of marking particles and/or charge director in the operative solution of liquid developing material at a predetermined value by effectively supplying the marking particles and/or charge director lost by the transport of liquid developing material to the copy substrate.
    • 一种用于在液晶显影材料的静电印刷机中显影静电潜像的装置,包括用于控制添加到用于显影潜在的液体显影材料供应的标记颗粒,载体液体和/或电荷导向剂的量的控制系统 使得标记颗粒和/或电荷导向剂的浓度可以保持在最佳值。 液体显影材料供应中的标记颗粒,载体液体和/或电荷引导剂的量被保持在预定的最佳值,以响应于从每个液体显影材料的供应中耗尽的标记颗粒和/或电荷引导剂的量 开发周期。 维持供应储存器具有基本上恒定量的液体载体,添加标记颗粒和/或电荷导向器以提供液体显影材料的有效溶液。 对于每个开发周期,根据构成正在开发的图像的像素或像素的数量来确定从液体显影材料供应所耗尽的标记颗粒和/或电荷指示剂的量。 将标记颗粒和/或电荷引导剂浓缩物添加到供应储存器中,以通过有效地提供标记颗粒和/或电荷导向器丢失来将液体显影材料的操作溶液中的标记颗粒和/或电荷引导剂的量保持在预定值 通过将液体显影材料输送到复印基板。
    • 8. 发明授权
    • Mixed pigment system for modulation of toner gamma
    • 用于调制色调剂的混合颜料系统
    • US4756986A
    • 1988-07-12
    • US903368
    • 1986-09-03
    • George A. Gibson
    • George A. Gibson
    • G03G9/12G03G9/135
    • G03G9/122G03G9/12G03G9/135
    • An electrophotographic liquid toner composition having lower saturation density and method of reducing the saturation density comprising a toner particle formed from a resin, a solid pigment, and a transparent filler, said pigment and said transparent filler having similar surface energies such that they impart similar triboelectric charging properties to said composition, and said composition is further characterized in that the triboelectric properties of said composition are substantially equivalent to the triboelectric properties of a reference composition in which said filler is not present and in which the combined amount of said pigment is equal to the amount of pigment in said reference composition, and in that said transparent filler lowers the saturation density of said composition so that the saturation density of said composition is lower than the saturation density of said reference composition.
    • 具有较低饱和密度的电子照相液晶调色剂组合物和降低饱和密度的方法包括由树脂,固体颜料和透明填料形成的调色剂颗粒,所述颜料和所述透明填料具有相似的表面能,使得它们赋予类似的摩擦电 所述组合物的充电性能进一步的特征在于所述组合物的摩擦电性质基本上等于其中不存在所述填料的参考组合物的摩擦电性能,并且所述颜料的组合量等于 所述参考组合物中的颜料的量,并且所述透明填料降低了所述组合物的饱和密度,使得所述组合物的饱和密度低于所述参考组合物的饱和密度。
    • 10. 发明授权
    • Blended amino functional siloxane release agents for fuser members
    • 用于定影器构件的混合氨基官能的硅氧烷脱模剂
    • US07214462B2
    • 2007-05-08
    • US10877472
    • 2004-06-25
    • David J. GervasiAlexander N. KlymachyovSamuel KaplanSantokh S. BadeshaDouglas B. WilkinsGeorge A. Gibson
    • David J. GervasiAlexander N. KlymachyovSamuel KaplanSantokh S. BadeshaDouglas B. WilkinsGeorge A. Gibson
    • G03G13/20
    • G03G15/2057G03G2215/2048Y10T428/31663
    • A fuser member component to fuse the transferred developed image to the copy substrate, wherein the fuser member includes a substrate, an outer polymeric layer, and a release agent material coating on the outer polymeric layer, and the release agent material coating includes a blend of at least two different amino-functional siloxane release agent materials having amino-functional groups, and the at least two different amino-functional siloxane release agent materials have the following Formula I: wherein A represents —R4—X, wherein R4 represents an alkyl group having from about 1 to about 10 carbons, X represents —NH2 or —NHR5NH2 with R5 representing an alkyl group having from about 1 to about 10 carbons; R1 and R2 are the same or different and each is selected from the group consisting of an alkyl having from about 1 to about 25 carbons, an aryl having from about 4 to about 10 carbons, and an arylalkyl; R3 is selected from the group consisting of an alkyl having from about 1 to about 25 carbons, an aryl having from about 4 to about 10 carbons, an arylalkyl, and a substituted diorganosiloxane chain having from about 1 to about 500 siloxane units; b and c are numbers and are the same or different and each satisfy the conditions of 0≦b≦10 and 10≦c≦1,000, but both b and c must not be 0 at the same time; d and d′ are numbers and are the same or different and are 2 or 3, and e and e′ are numbers and are the same or different and are 0 or 1 and satisfy the conditions that d+e=3 and d′+e′=3.
    • 一种定影器构件,用于将转印的显影图像熔合到复印基板,其中定影器构件包括涂层在外部聚合物层上的基底,外部聚合物层和脱模剂材料,并且脱模剂材料涂层包括 具有氨基官能团的至少两种不同的氨基官能的硅氧烷脱模剂材料和所述至少两种不同的氨基官能的硅氧烷脱模剂材料具有下式I:其中A表示-R 4 - X,其中R 4表示具有约1至约10个碳的烷基,X表示-NH 2或-NHR 5 NH, 其中R 5代表具有约1至约10个碳原子的烷基; R 1和R 2相同或不同,并且各自选自具有约1至约25个碳的烷基,具有约4个碳原子的芳基 至约10个碳原子,和芳基烷基; R 3 3选自具有约1至约25个碳的烷基,具有约4至约10个碳的芳基,芳烷基和取代的二有机硅氧烷链,其具有约1个 至约500个硅氧烷单元; b和c是数字并且相同或不同,并且各自满足0 <= b <= 10和10 <= c <= 1,000的条件,但b和c两者不得同时为0; d和d'是数字,相同或不同,为2或3,e和e'为数字,相同或不同,为0或1,满足d + e = 3和d'+ e'= 3。