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    Toner processes
    1.
    发明授权
    Toner processes 有权
    墨粉处理

    公开(公告)号：US06190820B1

    公开(公告)日：2001-02-20

    申请号：US09657273

    申请日：2000-09-07

    申请人： Raj D. Patel ,  Michael A. Hopper ,  Walter Mychajlowskij

    发明人： Raj D. Patel ,  Michael A. Hopper ,  Walter Mychajlowskij

    IPC分类号： G03G9087

    CPC分类号： G03G9/0804 ,  G03G9/0806

    摘要： A process for the preparation of toner by, for example (i) generating by emulsion polymerization in the presence of an initiator a first resin latex emulsion; (ii) generating in the presence of an oil soluble initiator by solution polymerization a second resin latex; (iii) mixing (ii) with a colorant; (iiib) mixing the resin latex emulsion of (i) with the resin/colorant mixture of (iii) to provide a blend of a resin and colorant; (iv) adding an aqueous inorganic cationic coagulant solution of a metal salt and optionally an organic cationic coagulant to the resin/colorant blend of (iiib); (v) heating at a temperature of from about 5° C. to about 10° C. below the resin Tg of (i), to form aggregate particles; (vi) adjusting the pH of (v) by the addition of a base; (vii) heating the aggregate particles of (v) at temperatures of from about 5° C. to about 50° C. above the Tg of the resin of (i), followed by the addition of an acid.

    摘要翻译： 通过例如（i）在引发剂存在下通过乳液聚合产生第一树脂胶乳乳液来制备调色剂的方法;（ii）通过溶解聚合在油溶性引发剂的存在下产生第二树脂胶乳; （iii）将（ii）与着色剂混合;（iiib）将（i）的树脂胶乳乳液与（iii）的树脂/着色剂混合物混合以提供树脂和着色剂的共混物;（iv） （iiib）的树脂/着色剂共混物中的金属盐和任选的有机阳离子凝结剂的阳离子凝结剂溶液;（v）在温度为约5℃至约10℃的温度下加热至（ i），以形成聚集体颗粒;（vi）通过加入碱来调节（v）的pH;（vii）在约5℃至约50℃的温度下加热（v）的聚集体颗粒 高于（i）的树脂的Tg，然后加入酸。

    Ink processes
    2.
    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 processes
    6.
    发明授权
    Toner processes 有权
    墨粉处理

    公开(公告)号：US06541175B1

    公开(公告)日：2003-04-01

    申请号：US10062129

    申请日：2002-02-04

    申请人： Lu Jiang ,  Walter Mychajlowskij ,  Guerino G. Sacripante ,  Raj D. Patel ,  Michael A. Hopper

    发明人： Lu Jiang ,  Walter Mychajlowskij ,  Guerino G. Sacripante ,  Raj D. Patel ,  Michael A. Hopper

    IPC分类号： G03G908

    CPC分类号： C08J3/215 ,  C08J2367/02 ,  G03G9/0804 ,  G03G9/08755

    摘要： A process involving, for example, providing or generating an emulsion latex comprised of sodio sulfonated polyester resin particles by adding with shearing to the latex a colorant dispersion comprising from about 20 to about 50 percent of a predispersed colorant in water, followed by the addition of an organic or an inorganic acid; heating the resulting mixture at a temperature of from about 45° C. to about 65° C. followed by the addition of an water insoluble metal salt or water insoluble metal oxide thereby releasing metal ions and permitting aggregation and coalescence, resulting in toner particles; and optionally cooling the mixture and isolating the product.

    摘要翻译： 一种方法涉及例如提供或产生由磺基磺化聚酯树脂颗粒组成的乳液胶乳，通过向胶乳中加入着色剂分散体，该着色剂分散体包含约20至约50％的预分散着色剂在水中，随后加入 有机或无机酸; 在约45℃至约65℃的温度下加热所得混合物，然后加入水不溶性金属盐或水不溶性金属氧化物，从而释放金属离子并允许聚集和聚结，导致调色剂颗粒; 并任选地冷却混合物并分离产物。

    Toner aggregation latex processes
    7.
    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
    8.
    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 processes
    10.
    发明授权
    Toner processes 失效
    墨粉处理

    公开(公告)号：US06627373B1

    公开(公告)日：2003-09-30

    申请号：US10106514

    申请日：2002-03-25

    申请人： Raj D. Patel ,  Michael A. Hopper

    发明人： Raj D. Patel ,  Michael A. Hopper

    IPC分类号： G03G9083

    CPC分类号： G03G9/0804 ,  G03G9/0821 ,  G03G9/0833 ,  G03G9/08782 ,  G03G9/0904

    摘要： An emulsion aggregation process for the preparation of a magnetite toner, and where the magnetite can function as a negatively charged coagulant to facilitate aggregation of a basic cationic latex, a cationic carbon black dispersion and a cationic wax dispersion.

    摘要翻译： 用于制备磁铁矿调色剂的乳液聚集方法，其中磁铁矿可以充当带负电荷的凝结剂以促进碱性阳离子胶乳，阳离子炭黑分散体和阳离子蜡分散体的聚集。