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141 条记录 (耗时 0.032 秒)

    Toner processes
    21.
    发明授权
    Toner processes 失效
    墨粉处理

    公开(公告)号：US5346797A

    公开(公告)日：1994-09-13

    申请号：US22575

    申请日：1993-02-25

    申请人： Grazyna E. Kmiecik-Lawrynowicz ,  Raj D. Patel ,  Guerino G. Sacripante

    发明人： Grazyna E. Kmiecik-Lawrynowicz ,  Raj D. Patel ,  Guerino G. Sacripante

    IPC分类号： G03G9/087 ,  G03G9/08

    CPC分类号： G03G9/0804 ,  G03G9/0812

    摘要： A process for the preparation of toner compositions comprising(i) preparing a pigment dispersion in a solvent, which dispersion is comprised of a pigment, an ionic surfactant and optionally a charge control agent;(ii) shearing the pigment dispersion with a latex mixture comprised of a counterionic surfactant with a charge polarity of opposite sign to that of said ionic surfactant, a nonionic surfactant and resin particles, thereby causing a flocculation or heterocoagulation of the formed particles of pigment, resin and charge control agent to form electrostatically bound toner size aggregates; and(iii) heating the statically bound aggregated particles to form said toner composition comprised of polymeric resin, pigment and optionally a charge control agent.

    摘要翻译： 一种制备调色剂组合物的方法，包括（i）在溶剂中制备颜料分散体，该分散体由颜料，离子表面活性剂和任选的电荷控制剂组成; （ii）用包含与所述离子表面活性剂相反电荷极性的反离子表面活性剂，非离子表面活性剂和树脂颗粒的胶体混合物剪切所述颜料分散体，从而引起所形成的颜料颗粒的絮凝或杂合， 树脂和电荷控制剂以形成静电结合的调色剂尺寸聚集体; 和（iii）加热静态结合的凝集颗粒以形成由聚合树脂，颜料和任选的电荷控制剂组成的所述调色剂组合物。

    Encapsulated toner processes
    22.
    发明授权
    Encapsulated toner processes 失效
    封装墨粉处理

    公开(公告)号：US5283153A

    公开(公告)日：1994-02-01

    申请号：US868745

    申请日：1992-04-15

    申请人： Guerino G. Sacripante ,  Grazyna E. Kmiecik-Lawrynowicz ,  Hock S. Tan ,  Raj D. Patel

    发明人： Guerino G. Sacripante ,  Grazyna E. Kmiecik-Lawrynowicz ,  Hock S. Tan ,  Raj D. Patel

    IPC分类号： B01J13/14 ,  G03G9/08 ,  G03G9/093

    CPC分类号： G03G9/093 ,  G03G9/09371 ,  G03G9/09392

    摘要： A process for the preparation of encapsulated toner compositions which comprises dispersing a mixture of addition monomers, an optional preformed polymer resin, a free radical initiator, a colorant comprised of a pigment, dye or mixtures thereof, and shell forming monomer in an aqueous medium containing a cellulose polymer and a first ionic surfactant thereby forming a stable microdroplet suspension; and subsequently adding an aqueous solution of a second stabilizing surfactant followed by the formation of a soluble monomer forming shell wall by interfacial polymerization, and thereafter initiating and completing the core resin-forming free radical polymerization by heating thereby resulting in toner compositions with an average volume particle size of from about 3 to about 7 microns.

    摘要翻译： 一种制备包封的调色剂组合物的方法，其包括将添加单体的混合物，任选的预成型聚合物树脂，自由基引发剂，由颜料，染料或其混合物组成的着色剂和形成壳的单体混合在含有 纤维素聚合物和第一离子表面活性剂，从而形成稳定的微滴悬浮液; 然后加入第二稳定化表面活性剂的水溶液，然后通过界面聚合形成形成壳壁的可溶性单体，然后通过加热引发和完成形成核心树脂的自由基聚合，从而得到平均体积的调色剂组合物 粒径为约3至约7微米。

    Toner compositions and processes thereof
    27.
    发明授权
    Toner compositions and processes thereof 失效
    调色剂组合物及其工艺

    公开(公告)号：US5604076A

    公开(公告)日：1997-02-18

    申请号：US595143

    申请日：1996-02-01

    申请人： Raj D. Patel ,  Guerino G. Sacripante ,  Grazyna E. Kmiecik-Lawrynowicz ,  Michael A. Hopper ,  Francisco E. Torres

    发明人： Raj D. Patel ,  Guerino G. Sacripante ,  Grazyna E. Kmiecik-Lawrynowicz ,  Michael A. Hopper ,  Francisco E. Torres

    IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/097

    CPC分类号： G03G9/0806

    摘要： A process for the preparation of toner compositions comprising:(i) preparing a latex or emulsion resin comprised of a polyester core encapsulated within a styrene based resin shell by heating said polyester emulsion containing an anionic surfactant with a mixture of monomers of styrene and acrylic acid, and with potassium persulfate, ammonium persulfate, sodium bisulfite, or mixtures thereof;(ii) adding a pigment dispersion, which dispersion is comprised of a pigment, a cationic surfactant, and optionally a charge control agent, followed by the sharing of the resulting blend;(iii) heating the above sheared blend below about the glass transition temperature (Tg) of the resin to form electrostatically bound toner size aggregates with a narrow particle size distribution; and(iv) heating said electrostatically bound aggregates above about the Tg of the resin.

    摘要翻译： 一种制备调色剂组合物的方法，包括：（i）通过将含有阴离子表面活性剂的聚酯乳液与苯乙烯和丙烯酸的单体混合物加热，制备由包封在苯乙烯基树脂壳内的聚酯芯构成的胶乳或乳液树脂 和过硫酸钾，过硫酸铵，亚硫酸氢钠或其混合物; （ii）添加颜料分散体，该分散体由颜料，阳离子表面活性剂和任选的电荷控制剂组成，然后共享所得共混物; （iii）将上述剪切混合物加热至低于树脂的玻璃化转变温度（Tg），以形成具有窄粒度分布的静电结合的调色剂尺寸聚集体; 和（iv）将所述静电结合的聚集体加热到高于树脂的Tg的高度。

    Encapsulated toner process utilizing phase separation
    28.
    发明授权
    Encapsulated toner process utilizing phase separation 失效
    使用相分离的封装墨粉处理

    公开(公告)号：US5302486A

    公开(公告)日：1994-04-12

    申请号：US870375

    申请日：1992-04-17

    申请人： Raj D. Patel ,  Guerino G. Sacripante ,  Grazyna Kmiecik-Lawrynowicz

    发明人： Raj D. Patel ,  Guerino G. Sacripante ,  Grazyna Kmiecik-Lawrynowicz

    IPC分类号： B01J13/04 ,  B01J13/14 ,  G03G9/08 ,  G03G9/093

    CPC分类号： G03G9/09321 ,  G03G9/09371 ,  G03G9/09392

    摘要： A process for the preparation of an encapsulated toner composition comprised of a core and a shell thereover, which process comprises mixing an organic phase comprised of an olefinic monomer, pigment, and a first resin A soluble in the organic phase; dispersing the organic phase into microdroplets in an aqueous solution comprised of a surfactant; subjecting the resulting mixture to free radical polymerization by heating wherein the olefinic monomer is converted to a second resin B; and wherein said resin B is incompatible with said resin A and phase separates whereby a core and shell results.

    摘要翻译： 一种由芯和壳组成的包封的调色剂组合物的制备方法，该方法包括混合由烯烃单体，颜料和可溶于有机相的第一树脂A组成的有机相; 将有机相分散在由表面活性剂组成的水溶液中的微滴中; 使所得混合物通过加热进行自由基聚合，其中烯属单体转化为第二树脂B; 并且其中所述树脂B与所述树脂A不相容并且相分离，从而产生核和壳。

    Microsuspension processes for toner compositions
    29.
    发明授权
    Microsuspension processes for toner compositions 失效
    调色剂组合物的微悬浮方法

    公开(公告)号：US5290654A

    公开(公告)日：1994-03-01

    申请号：US921165

    申请日：1992-07-29

    申请人： Guerino G. Sacripante ,  James M. Duff ,  Grazyna Kmiecik-Lawrynowica ,  Raj D. Patel

    发明人： Guerino G. Sacripante ,  James M. Duff ,  Grazyna Kmiecik-Lawrynowica ,  Raj D. Patel

    IPC分类号： G03G9/087 ,  C08J3/215 ,  G03G9/08

    CPC分类号： C08J3/215 ,  G03G9/0804

    摘要： A process for the preparation of toner compositions which comprises dissolving a polymer, and optionally a pigment in an organic solvent; dispersing the resulting solution in an aqueous media containing a surfactant, or mixture of surfactants; stirring the mixture with optional heating to remove the organic solvent thereby obtaining suspended particles of about 0.05 micron to about 2 microns in volume diameter; subsequently homogenizing the resulting suspension with an optional pigment in water and surfactant; followed by aggregating the mixture by heating thereby providing toner particles with an average particle volume diameter of from between about 3 to about 21 microns when said pigment is present.

    摘要翻译： 一种制备调色剂组合物的方法，其包括将聚合物和任选的颜料溶解在有机溶剂中; 将所得溶液分散在含有表面活性剂或表面活性剂混合物的水性介质中; 在任选加热下搅拌混合物以除去有机溶剂，从而获得体积直径为约0.05微米至约2微米的悬浮颗粒; 随后用任选的颜料在水和表面活性剂中均化得到的悬浮液; 然后通过加热聚集混合物，从而当所述颜料存在时提供具有约3至约21微米的平均颗粒体积直径的调色剂颗粒。