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    • 7. 发明授权
    • Composite metal oxide particle processes and toners thereof
    • 复合金属氧化物颗粒工艺及其调色剂
    • US5424129A
    • 1995-06-13
    • US976597
    • 1992-11-16
    • Richard B. LewisMichael J. Levy
    • Richard B. LewisMichael J. Levy
    • G03G9/08G03G9/097B32B5/00
    • G03G9/09708G03G9/09716G03G9/09725Y10T428/2991Y10T428/2993Y10T428/2995Y10T428/3154Y10T428/31663
    • A composite metal oxide charge enhancing additive composition comprised of a first metal oxide forming a core particle, and a second metal oxide forming an outer layer on the first metal oxide core particle of the formula [(M.sup.1 O.sub.n)x]-[(M.sup.2 O.sub.n).sub.y ] wherein M.sup.1 represents the first metal oxide metal, M.sup.2 represents the second metal oxide metal, n is an integer representing the number of oxygen atoms and is determined by the valence of the metal M to which the oxygen atoms are bonded, x and y represent the relative molar ratios of the first and second metal oxides, and wherein M.sup.1 is different from M.sup.2.Another embodiment is a composite metal oxide toner charge enhancing additive composition comprising an organosilane outer layer or coating covalently bonded on the outer surface of the second metal oxide layer of the formula {(M.sup.1 O.sub.n).sub.x }-{M.sup.2 O.sub.n).sub.y }-{Si R.sub.4-n).sub.z } wherein (Si R.sub.4-n).sub.z represents the covalently bonded organosilane outer layer surface coating where Si is the silicon atom of the organosilane linking or coupling agent; R is a member of the group of alkyl, alkenyl, alkynyl, aryl, alkaryl, aralkyl having between 1 to 25 carbon atoms or halogenated and oxygenated derivatives thereof; m is an integer with a value of at least one; n of the organosilane is an integer having a value of 1 to 3 and z is determined from the molar ratio of the silane component relative to the first and second metal oxides.
    • 复合金属氧化物电荷增强添加剂组合物由形成核心颗粒的第一金属氧化物和形成式[(M1On)x] - [(M2On)y)的第一金属氧化物核心颗粒上的外层形成的第二金属氧化物组成 ]其中M1表示第一金属氧化物金属,M2表示第二金属氧化物金属,n表示氧原子数,并且由氧原子键合的金属M的化合价决定,x和y表示 第一和第二金属氧化物的相对摩尔比,其中M1不同于M2。 另一个实施方案是复合金属氧化物调色剂电荷增强添加剂组合物,其包含有机硅烷外层或共价键合在式{(M1On)x} - {M2On)y} - {SiR4(R)的第二金属氧化物层的外表面上的涂层 -n)z}其中(Si 4-n)z表示共价键合的有机硅烷外层表面涂层,其中Si是有机硅烷连接或偶联剂的硅原子; R是具有1至25个碳原子的烷基,烯基,炔基,芳基,烷芳基,芳烷基或其卤化和氧化衍生物的基团的成员; m是至少为1的整数; 有机硅烷的n为1〜3的整数,z由硅烷成分相对于第1及第2金属氧化物的摩尔比决定。
    • 9. 发明授权
    • Sealed liquid charging apparatus
    • 密封液体充注装置
    • US5781833A
    • 1998-07-14
    • US566241
    • 1995-12-01
    • Richard B. LewisMichael J. Levy
    • Richard B. LewisMichael J. Levy
    • G03G15/02
    • G03G15/0208
    • An apparatus for applying an electrical charge to a charge retentive surface by transporting ions through an electrically biased ionically conductive liquid and transferring the ions to the member to be charged across the liquid/charge retentive surface interface. The electrically biased ionically conductive liquid medium is brought into contact with the photoreceptor by placing a hydrophilic material imbibed with the ionically conductive liquid in contact with the photoreceptor. The hydrophilic material is partially surrounded by a pair of elongated blade elements as well as a pair of end seal elements for providing a sealed structure for containing the hydrophilic material A voltage is applied to the ionically conductive liquid medium while translating or rotating the charge retentive surface past the ionically conductive medium, thereby enabling the transfer of ions to the charge retentive surface A support blade may be provided for urging the donor blade into contact with the photoreceptor. In addition, a wiper blade may be provided for removing any residual liquid from the surface of the charge retentive surface as may have been transferred thereto by the ionically conductive liquid. A rubber gasket may also be provided for additional sealing of the charging apparatus.
    • 一种用于通过将离子传送通过电偏压的离子导电液体并将离子转移到待通过液体/电荷保持性表面界面充电的构件而将电荷施加到电荷保持性表面的装置。 通过将吸附有离子导电液体的亲水材料与感光体接触,使电偏置的离子导电液体介质与感光体接触。 亲水材料被一对细长的刀片元件部分地围绕,以及一对端密封元件,用于提供用于容纳亲水材料的密封结构。电压被施加到离子导电液体介质上,同时平移或旋转电荷保持表面 通过离子导电介质,从而能够将离子转移到电荷保持性表面A可以提供支撑刀片来促使供体刀片与感光体接触。 此外,可以设置刮水片,用于从电荷保持性表面的表面去除残留的液体,如可能由离子导电液体转移的。 还可以提供橡胶垫圈用于附加密封充电装置。