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    Ink processes
    1.
    发明授权
    Ink processes 失效
    墨水处理

    公开(公告)号：US5981651A

    公开(公告)日：1999-11-09

    申请号：US922078

    申请日：1997-09-02

    申请人： Raj D. Patel ,  Grazyna E. Kmiecik-Lawrynowicz ,  Michael A. Hopper ,  Walter Mychajlowskij

    发明人： Raj D. Patel ,  Grazyna E. Kmiecik-Lawrynowicz ,  Michael A. Hopper ,  Walter Mychajlowskij

    IPC分类号： C09D11/02 ,  C08F2/00 ,  C08F12/08 ,  C09D11/00

    CPC分类号： C08F12/08 ,  C09D11/30 ,  Y10S977/788

    摘要： A process comprising (1) polymerizing an organic phase of monomer in the presence of a carboxylic acid, an oil soluble chain transfer agent, and a partially water soluble chain transfer agent; and which polymerizing is accomplished in the presence of (2) an aqueous phase containing a nonionic surfactant, and an anionic surfactant, and wherein there is added to the aqueous phase an aqueous initiator solution of an inorganic persulfate, and wherein the resulting latex contains particles of polymer with carboxylic acid; aggregating said latex particles with colorant; thereafter adding an effective amount of anionic surfactant and heating the mixture resulting about equal to, or about above the polymer Tg resulting from said monomer, or said monomers.

    摘要翻译： 一种方法，其包括（1）在羧酸，油溶性链转移剂和部分水溶性链转移剂的存在下聚合单体的有机相; 并且在（2）含有非离子表面活性剂的水相和阴离子表面活性剂的存在下进行聚合，并且其中在水相中加入无机过硫酸盐的引发剂水溶液，并且其中所得的胶乳含有颗粒 的聚合物与羧酸; 用着色剂聚集所述胶乳颗粒; 然后加入有效量的阴离子表面活性剂并加热产生的约等于或约高于由所述单体或所述单体产生的聚合物Tg的混合物。

    Toner aggregation latex processes
    2.
    发明授权
    Toner aggregation latex processes 失效
    调色剂聚集胶乳工艺

    公开(公告)号：US5683847A

    公开(公告)日：1997-11-04

    申请号：US619055

    申请日：1996-03-20

    申请人： Raj D. Patel ,  Grazyna E. Kmiecik-Lawrynowicz ,  Walter Mychajlowskij ,  Michael A. Hopper

    发明人： Raj D. Patel ,  Grazyna E. Kmiecik-Lawrynowicz ,  Walter Mychajlowskij ,  Michael A. Hopper

    IPC分类号： G03G9/08 ,  G03G9/087

    CPC分类号： G03G9/08711 ,  G03G9/0804

    摘要： A process comprising: (i) preparing a pigment dispersion, which dispersion is comprised of a pigment, a cationic surfactant, and optionally a charge control agent; (ii) shearing said pigment dispersion with a latex comprised of water, resin, a counterionic or anionic surfactant with a charge polarity of opposite sign to that of said cationic surfactant, and a nonionic surfactant, and wherein said latex is prepared by the addition of monomers containing a chain transfer agent and a organic soluble initiator to a water phase containing a anionic surfactant, and said nonionic surfactant, followed by the addition of a water soluble initiator, and subsequently heating; (iii) heating the above sheared blend below about the glass transition temperature (Tg) of the resin to form electrostatically bound toner size aggregates; and (iv) heating said bound aggregates above about the Tg of the resin.

    摘要翻译： 一种方法，包括：（i）制备颜料分散体，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; （ii）用包含水，树脂，具有与所述阳离子表面活性剂相反的电荷极性的反离子或阴离子表面活性剂的胶乳和非离子表面活性剂剪切所述颜料分散体，并且其中所述胶乳通过加入 含有链转移剂和有机可溶性引发剂的单体与含有阴离子表面活性剂的水相和所述非离子表面活性剂，然后加入水溶性引发剂，随后加热; （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）以形成静电结合的调色剂尺寸聚集体; 和（iv）在树脂的Tg附近加热所述结合的聚集体。

    Carrier processes
    3.
    发明授权
    Carrier processes 失效
    运营商流程

    公开(公告)号：US5582951A

    公开(公告)日：1996-12-10

    申请号：US498284

    申请日：1995-07-03

    申请人： Raj D. Patel ,  Grazyna E. Kmiecik-Lawrynowicz ,  Michael A. Hopper ,  Walter Mychajlowskij ,  Beng S. Ong

    发明人： Raj D. Patel ,  Grazyna E. Kmiecik-Lawrynowicz ,  Michael A. Hopper ,  Walter Mychajlowskij ,  Beng S. Ong

    IPC分类号： G03G9/107 ,  G03G9/113

    CPC分类号： G03G9/1133 ,  G03G9/107 ,  G03G9/1132

    摘要： A process for the preparation of carrier particles which comprises mixing a dispersion of water, submicron magnetic particles, and ionic surfactant with a latex comprised of resin particles suspended in an aqueous solution containing a surfactant that is counterionic in charge to said ionic surfactant, and a nonionic surfactant; thereafter heating the resulting mixture below about the latex resin glass transition temperature (Tg) while stirring to form aggregates, followed by increasing the temperature of said mixture to about above the latex resin Tg, and subsequently adding additional counterionic or nonionic surfactant solution to minimize, or avoid any further growth in particle size during heating of the mixture about above the latex resin Tg, and wherein said resin Tg is in the range of from between about 45.degree. C. to about 100.degree. C.

    摘要翻译： 一种制备载体颗粒的方法，其包括将水，亚微米磁性颗粒和离子表面活性剂的分散体与悬浮在含有负离子表面活性剂的水溶液中的树脂颗粒混合到所述离子表面活性剂上的胶乳混合，以及 非离子表面活性剂 然后在搅拌下将所得混合物在胶乳树脂玻璃化转变温度（Tg）以下加热以形成聚集体，随后将所述混合物的温度升高至胶乳树脂Tg的大约，然后加入另外的抗衡离子或非离子表面活性剂溶液， 或者避免混合物加热到胶乳树脂Tg以上时粒径的任何进一步增长，并且其中所述树脂Tg在约45℃至约100℃的范围内。

    Toner compositions and processes thereof
    6.
    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。

    Toner aggregation processes
    9.
    发明授权
    Toner aggregation processes 失效
    调色剂聚合过程

    公开(公告)号：US5525452A

    公开(公告)日：1996-06-11

    申请号：US497988

    申请日：1995-07-03

    申请人： Michael A. Hopper ,  Raj D. Patel ,  Grazyna E. Kmiecik-Lawrynowicz

    发明人： Michael A. Hopper ,  Raj D. Patel ,  Grazyna E. Kmiecik-Lawrynowicz

    IPC分类号： G03G9/08 ,  G03G9/087

    CPC分类号： G03G9/0815 ,  G03G9/0804

    摘要： A process for the preparation of toner compositions comprising (i) preparing a pigment dispersion in water, which dispersion is comprised of a pigment, an ionic surfactant, and optionally a charge control agent;(ii) shearing said pigment dispersion with an aqueous 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;(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;(iv) heating the electrostatically bound aggregates above about the Tg of the resin, which heating is accomplished at a pH of from about 4.0 to about 6.0 while continuously stirring the electrostatically bound aggregates to form toner particles;(v) washing the toner particles with a basic aqueous solution, which solution is of a pH of from between about 10.0 and about 12.0; and thereafter optionally(iv) separating the toner particles from the emulsion blend containing water by filtration and then drying the toner particles.

    摘要翻译： 一种制备调色剂组合物的方法，包括（i）在水中制备颜料分散体，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）用包含非离子表面活性剂，树脂和抗衡离子表面活性剂的水性胶乳或乳液共混物剪切所述颜料分散体，其电荷极性与所述离子表面活性剂相反; （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; （iv）将高于约树脂Tg的静电结合聚集体加热，在约4.0至约6.0的pH下进行加热，同时连续搅拌静电结合的聚集体以形成调色剂颗粒; （v）用碱性水溶液洗涤调色剂颗粒，该溶液的pH为约10.0至约12.0; 然后任选地（iv）通过过滤从含有水的乳液共混物中分离调色剂颗粒，然后干燥调色剂颗粒。

    Wax Containing toner aggregation processes
    10.
    发明授权
    Wax Containing toner aggregation processes 失效
    蜡含有调色剂聚集工艺

    公开(公告)号：US5482812A

    公开(公告)日：1996-01-09

    申请号：US344060

    申请日：1994-11-23

    申请人： Michael A. Hopper ,  Raj D. Patel ,  Grazyna E. Kmiecik-Lawrynowicz ,  Stephan V. Drappel ,  Paul J. Gerroir

    发明人： Michael A. Hopper ,  Raj D. Patel ,  Grazyna E. Kmiecik-Lawrynowicz ,  Stephan V. Drappel ,  Paul J. Gerroir

    IPC分类号： G03G9/08 ,  G03G9/087

    CPC分类号： G03G9/0804 ,  G03G9/0815

    摘要： A process for the preparation of toner compositions or toner particles comprising:(i) providing an aqueous pigment dispersion comprised of a pigment, an ionic surfactant, and optionally a charge control agent;(ii) providing a wax dispersion comprised of wax, a dispersant comprised of nonionic surfactant, ionic surfactant or mixtures thereof;(iii) shearing a mixture of the wax dispersion and the pigment dispersion with a latex or emulsion blend comprised of resin, a counterionic surfactant with a charge polarity of opposite sign to that of said ionic surfactant and a nonionic surfactant;(iv) 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;(v) adding additional ionic surfactant to the aggregated suspension of (iv) to ensure that no, or minimal additional particle growth of the electrostatically bound toner size aggregates occurs on further increasing the temperature to coalesce the aggregates into toner particles (vi);(vi) heating the mixture of (v) with bound aggregates above about or at the Tg of the resin; and optionally(vii) separating the toner particles from the aqueous slurry by filtration and thereafter optionally washing.

    摘要翻译： 一种制备调色剂组合物或调色剂颗粒的方法，包括：（i）提供由颜料，离子表面活性剂和任选的电荷控制剂组成的水性颜料分散体; （ii）提供由蜡组成的蜡分散体，由非离子表面活性剂，离子表面活性剂或其混合物组成的分散剂; （iii）用由树脂，具有与所述离子表面活性剂的电荷极性相反的电荷极性的抗衡离子表面活性剂和非离子表面活性剂组成的胶乳或乳液共混物来剪切蜡分散体和颜料分散体的混合物; （iv）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; （v）向（iv）的聚集悬浮液中加入另外的离子表面活性剂，以确保在进一步升高温度以使聚集体聚结成调色剂颗粒（vi）时，静电结合的调色剂尺寸聚集体不会发生或最小的附加颗粒生长。 （vi）将（v）混合物加热至高于树脂Tg或高于Tg的结合聚集体; 并且任选地（vii）通过过滤从调色剂颗粒与含水浆料分离，然后任选地洗涤。