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141 条记录 (耗时 0.03 秒)

    Toner processes
    23.
    发明授权
    Toner processes 有权
    墨粉处理

    公开(公告)号：US5858601A

    公开(公告)日：1999-01-12

    申请号：US127851

    申请日：1998-08-03

    申请人： Beng S. Ong ,  T. Hwee Ng ,  Walter Mychajlowskij ,  Raj D. Patel ,  Patricia A. Burns

    发明人： Beng S. Ong ,  T. Hwee Ng ,  Walter Mychajlowskij ,  Raj D. Patel ,  Patricia A. Burns

    IPC分类号： G03G9/08 ,  G03G9/093

    CPC分类号： G03G9/093 ,  G03G9/0804

    摘要： A process for the preparation of toner comprising(i) blending (a) a colorant dispersion containing a first ionic surfactant with (b) a latex emulsion comprised of an aqueous dispersion of core-shell polymer particles with a crosslinked polymer core and a linear polymer shell, and optional nonionic surfactant and a second ionic surfactant with a charge polarity opposite to that of said first ionic surfactant in said colorant dispersion;(ii) heating the resulting mixture at about below the glass transition temperature (Tg) of the linear latex shell polymer to form aggregates; and(iii) subsequently heating said aggregates about above the Tg of the linear latex shell polymer to effect coalescence and fusion of said aggregates.

    摘要翻译： 一种制备调色剂的方法，包括（i）将（a）含有第一离子表面活性剂的着色剂分散体与（b）由核 - 壳聚合物颗粒的水性分散体与交联的聚合物核心和线性聚合物组成的胶乳乳液 壳和任选的非离子表面活性剂和在所述着色剂分散体中具有与所述第一离子表面活性剂的电荷极性相反的电荷的第二离子表面活性剂; （ii）将所得混合物加热至低于线性胶乳壳聚合物的玻璃化转变温度（Tg）以形成聚集体; 和（iii）随后将所述聚集体加热至高于线性胶乳壳聚合物的Tg，以实现所述聚集体的聚结和熔融。

    Toner compositions and processes
    25.
    发明授权
    Toner compositions and processes 失效
    调色剂组成和工艺

    公开(公告)号：US5763133A

    公开(公告)日：1998-06-09

    申请号：US825451

    申请日：1997-03-28

    申请人： Beng S. Ong ,  Walter Mychajlowskij ,  Grazyna E. Kmiecik-Lawrynowicz ,  Raj D. Patel ,  David J. Sanders ,  Stephan V. Drappel

    发明人： Beng S. Ong ,  Walter Mychajlowskij ,  Grazyna E. Kmiecik-Lawrynowicz ,  Raj D. Patel ,  David J. Sanders ,  Stephan V. Drappel

    IPC分类号： G03G9/08 ,  G03G9/087 ,  G03G9/09 ,  G03G9/097

    CPC分类号： G03G9/08793 ,  G03G9/0804 ,  G03G9/08708 ,  G03G9/08711 ,  G03G9/08728 ,  G03G9/08731 ,  G03G9/08733

    摘要： A process for the preparation of toner comprising (i) blending (a) an aqueous pigment dispersion containing a first ionic surfactant and an optional charge control agent with (b) a latex blend comprised of linear polymer and crosslinked polymer particles, optional nonionic surfactant and a second ionic surfactant with a charge polarity opposite to that of said first ionic surfactant in said pigment dispersion; (ii) heating the resulting mixture at about below the glass transition temperature (Tg) of the linear latex polymer to form toner sized aggregates; and (iii) subsequently heating said aggregate suspension about above the Tg of the linear latex polymer to effect fusion or coalescence of said aggregates.

    摘要翻译： 一种制备调色剂的方法，包括（i）将（a）含有第一离子型表面活性剂和任选的电荷控制剂的水性颜料分散体与（b）由线性聚合物和交联聚合物颗粒组成的胶乳共混物，任选的非离子表面活性剂和 在所述颜料分散体中具有与所述第一离子型表面活性剂相反的电荷极性的第二离子表面活性剂; （ii）将所得混合物加热至低于线性胶乳聚合物的玻璃化转变温度（Tg），以形成调色剂尺寸的聚集体; 和（iii）随后将所述聚集体悬浮液加热至高于线性胶乳聚合物的Tg，以实现所述聚集体的熔融或聚结。

    Toner process
    26.
    发明授权
    Toner process 失效
    调色剂过程

    公开(公告)号：US5698223A

    公开(公告)日：1997-12-16

    申请号：US829551

    申请日：1997-03-28

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

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

    IPC分类号： G03G9/08 ,  G03G9/087

    CPC分类号： G03G9/0804 ,  G03G9/08768

    摘要： A process for the preparation of toner comprising (i) solubilizing an imide based resin in water at pH of from about 10 to about 13 and which solubilizing is accomplished in the presence of nonionic surfactants and anionic surfactants; followed by precipitating the resulting dissolved imide resin into colloidal particles with a size diameter of from about 20 nanometers to about 500 nanometers, and which precipitating is accomplished with a high shearing device operating at a speed of from about 500 to about 2,000 revolutions per minute; acidifying the resulting mixture to a pH of from about 2 to about 4; (ii) preparing a pigment dispersion in water, which dispersion is comprised of a pigment, an oppositely charged ionic surfactant and optionally charge control agent; (iii) shearing (i) and (ii), thereby causing a flocculation of the resin, pigment, surfactants, and optional charge control agent; (iv) heating the resulting flocculent mixture of (iii) with stirring at a temperature of from about 25.degree. C. to about 1.degree. C. below the glass transition temperature (Tg) of the imide resin to effect formation of electrostatically bounded toner sized aggregates, and wherein the imide resin has a Tg of from about 45.degree. C. to about 65.degree. C.; (v) heating the resulting aggregate suspension of (iv) in the presence of additional anionic surfactant selected in an amount of from about 0.01 to about 5 weight percent based on the weight percent of the total reaction mixture solids, and which heating is at a temperature of from about 10.degree. C. to about 55.degree. C. above the Tg of the imide resin; and optionally cooling, and optionally (vi) separating said toner by washing, and thereafter drying said toner.

    摘要翻译： 一种制备调色剂的方法，包括（i）将酰亚胺基树脂溶解在约10至约13的pH下，并且在非离子表面活性剂和阴离子表面活性剂存在下进行增溶; 然后将所得溶解的酰亚胺树脂沉淀成尺寸直径为约20纳米至约500纳米的胶体颗粒，并且以约500至约2000转/分钟的速度运行的高剪切装置完成沉淀; 将所得混合物酸化至约2至约4的pH; （ii）在水中制备颜料分散体，该分散体由颜料，相反电荷的离子表面活性剂和任选的电荷控制剂组成; （iii）剪切（i）和（ii），从而引起树脂，颜料，表面活性剂和任选的电荷控制剂的絮凝; （iv）在低于酰亚胺树脂的玻璃化转变温度（Tg）的约25℃至约1℃的温度下搅拌加热得到的（ⅲ）絮状混合物，以形成静电有界调色剂尺寸 聚集体，并且其中所述酰亚胺树脂的Tg为约45℃至约65℃。 （v）在所选择的另外的阴离子表面活性剂存在下加热得到的（iv）聚集体悬浮液，其量为总反应混合物固体的重量百分比为约0.01至约5重量％，加热为 温度高于酰亚胺树脂的Tg约10℃至约55℃; 并任选地冷却，并且任选地（vi）通过洗涤分离所述调色剂，然后干燥所述调色剂。

    Toner compositions
    28.
    发明授权
    Toner compositions 失效
    调色剂组合物

    公开(公告)号：US5585215A

    公开(公告)日：1996-12-17

    申请号：US663443

    申请日：1996-06-13

    申请人： Beng S. Ong ,  Walter Mychajlowskij ,  Raj D. Patel

    发明人： Beng S. Ong ,  Walter Mychajlowskij ,  Raj D. Patel

    IPC分类号： G03G9/08 ,  G03G9/087

    CPC分类号： G03G9/0806 ,  G03G9/08711

    摘要： A toner comprised of color pigment and an addition polymer resin, and wherein said resin is generated by emulsion polymerization of from 70 to 85 weight percent of styrene, from about 5 to about 20 weight percent of isoprene, from about 1 to about 15 weight percent of acrylate, or from about 1 to about 15 weight percent of methacrylate, and from about 0.5 to about 5 weight percent of acrylic acid.

    摘要翻译： 由彩色颜料和加成聚合物树脂组成的调色剂，其中所述树脂通过乳液聚合产生，其为70至85重量％的苯乙烯，约5至约20重量％的异戊二烯，约1至约15重量％ 的丙烯酸酯，或约1至约15重量％的甲基丙烯酸酯和约0.5至约5重量％的丙烯酸。

    Toner processes
    30.
    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。