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    Process for preparing a particulate solid, a particulate solid and a dispersion
    4.
    发明授权
    Process for preparing a particulate solid, a particulate solid and a dispersion 有权
    制备颗粒状固体，颗粒状固体和分散体的方法

    公开(公告)号：US08901239B2

    公开(公告)日：2014-12-02

    申请号：US13990575

    申请日：2011-10-28

    申请人： Daniel Morris ,  Martin Edwards

    发明人： Daniel Morris ,  Martin Edwards

    IPC分类号： C08F290/06 ,  C08F18/00 ,  G03G9/087 ,  G03G9/08 ,  C08F6/18

    CPC分类号： C08F6/18 ,  G03G9/0806 ,  G03G9/0827 ,  G03G9/08711 ,  G03G9/08722 ,  G03G9/08791 ,  G03G9/08795 ,  G03G9/08797

    摘要： According to a first aspect of the present invention there is provided a process for preparing a particulate solid comprising the steps i) to iv): i) providing a dispersion of polymer particles in a liquid medium, said polymer being obtained or obtainable by the copolymerization of at least the monomers in components a) to d): a) 45 to 90 parts of one of more hydrocarbyl (meth) acrylates each having a homopolymer Tg of from 90 to 130° C. and having no hydrophilic groups; b) 10 to 55 parts of one or more ethylenically unsaturated monomers each having homopolymer Tg of below 90° C. and having no hydrophilic groups; c) 0 to 40 parts of one or more styrenic monomers having a homopolymer Tg of at least 90° C. and having no hydrophilic groups; d) 0 to 10 parts of one or more ethylenically unsaturated monomers each having at least one hydrophilic group; wherein all the parts are by weight; ii) associating the particles to form clusters of particles; iii) optionally stabilizing the clusters; iv) heating the clusters above the glass transition of the polymer.

    摘要翻译： 根据本发明的第一方面，提供了一种制备颗粒状固体的方法，包括步骤i）至iv）：i）提供聚合物颗粒在液体介质中的分散体，所述聚合物通过共聚获得或获得 至少组分a）至d）中的单体：a）45至90份更多的均聚物Tg为90至130℃并且不具有亲水基团的（甲基）丙烯酸烷基酯; b）10至55份一种或多种均聚物Tg低于90℃且不具有亲水基团的烯属不饱和单体; c）0至40份一种或多种均聚物Tg至少为90℃且不具有亲水基团的苯乙烯类单体; d）0至10份一种或多种各具有至少一个亲水基团的烯属不饱和单体; 其中所有部分均为重量; ii）将颗粒缔合以形成颗粒簇; iii）任选地稳定簇; iv）将聚合物玻璃化转变以上的簇加热。

    Method for producing polytetrafluoroethylene fine powder
    5.
    发明授权
    Method for producing polytetrafluoroethylene fine powder 有权
    生产聚四氟乙烯细粉的方法

    公开(公告)号：US08575287B2

    公开(公告)日：2013-11-05

    申请号：US12910904

    申请日：2010-10-25

    申请人： Shinya Higuchi ,  Yasuhiko Matsuoka ,  Shigeki Kobayashi

    发明人： Shinya Higuchi ,  Yasuhiko Matsuoka ,  Shigeki Kobayashi

    IPC分类号： C08F14/18

    CPC分类号： C08F214/26 ,  C08F2/24 ,  C08F6/18 ,  C08F6/22 ,  C08F14/26 ,  C08F114/26 ,  C08J3/16 ,  C08J2327/18 ,  C08L27/18

    摘要： To provide a method for producing a PTFE fine powder having a low paste extrusion pressure property by a simple method. The method for producing a PTFE fine power comprises emulsion polymerizing tetrafluoroethylene in the presence of an aqueous medium, a fluorinated surfactant and a radical polymerization initiator, to produce an aqueous PTFE emulsion, and coagulating it in the presence of at least one bulk density-reducing compound selected from the group consisting of ammonia, an ammonium salt and urea in an amount of from 0.4 to 10 parts by mass per 100 parts by mass of PTFE.

    摘要翻译： 提供一种通过简单的方法生产具有低糊料挤出压力特性的PTFE细粉的方法。 PTFE精细粉末的制造方法包括在水性介质，氟化表面活性剂和自由基聚合引发剂的存在下将四氟乙烯乳液聚合，生成PTFE水性乳液，并在至少一个体积密度降低 选自氨，铵盐和尿素的化合物的量相对于100质量份的PTFE为0.4〜10质量份。

    Process for Preparing a Particulate Solid, a Particulate Solid and a Dispersion
    6.
    发明申请
    Process for Preparing a Particulate Solid, a Particulate Solid and a Dispersion 有权
    制备颗粒状固体，颗粒状固体和分散体的方法

    公开(公告)号：US20130267648A1

    公开(公告)日：2013-10-10

    申请号：US13990575

    申请日：2011-10-28

    申请人： Daniel Morris ,  Martin Edwards

    发明人： Daniel Morris ,  Martin Edwards

    IPC分类号： C08F6/18

    CPC分类号： C08F6/18 ,  G03G9/0806 ,  G03G9/0827 ,  G03G9/08711 ,  G03G9/08722 ,  G03G9/08791 ,  G03G9/08795 ,  G03G9/08797

    摘要： According to a first aspect of the present invention there is provided a process for preparing a particulate solid comprising the steps i) to iv): i) providing a dispersion of polymer particles in a liquid medium, said polymer being obtained or obtainable by the copolymerisation of at least the monomers in components a) to d): a) 45 to 90 parts of one of more hydrocarbyl (meth) acrylates each having a homopolymer Tg of from 90 to 130° C. and having no hydrophilic groups; b) 10 to 55 parts of one or more ethylenically unsaturated monomers each having homopolymer Tg of below 90° C. and having no hydrophilic groups; c) 0 to 40 parts of one or more styrenic monomers having a homopolymer Tg of at least 90° C. and having no hydrophilic groups; d) 0 to 10 parts of one or more ethylenically unsaturated monomers each having at least one hydrophilic group; wherein all the parts are by weight; ii) associating the particles to form clusters of particles; iii) optionally stabilising the clusters; iv) heating the clusters above the glass transition of the polymer.

    摘要翻译： 根据本发明的第一方面，提供了一种制备颗粒状固体的方法，包括步骤i）至iv）：i）提供聚合物颗粒在液体介质中的分散体，所述聚合物是通过共聚获得或获得的 至少组分a）至d）中的单体：a）45至90份更多的均聚物Tg为90至130℃并且不具有亲水基团的（甲基）丙烯酸烷基酯; b）10至55份一种或多种均聚物Tg低于90℃且不具有亲水基团的烯属不饱和单体; c）0至40份一种或多种均聚物Tg至少为90℃且不具有亲水基团的苯乙烯类单体; d）0至10份一种或多种各具有至少一个亲水基团的烯属不饱和单体; 其中所有部分均为重量; ii）将颗粒缔合以形成颗粒簇; iii）任选地稳定簇; iv）将聚合物玻璃化转变以上的簇加热。

    Toner preparation processes
    7.
    发明授权
    Toner preparation processes 有权
    调色剂制备工艺

    公开(公告)号：US08080360B2

    公开(公告)日：2011-12-20

    申请号：US11187030

    申请日：2005-07-22

    申请人： Vincenzo G Marcello ,  Steven M Malachowski ,  Tie Hwee Ng ,  Chieh-Min Cheng

    发明人： Vincenzo G Marcello ,  Steven M Malachowski ,  Tie Hwee Ng ,  Chieh-Min Cheng

    IPC分类号： G03G9/08

    CPC分类号： C08F6/18 ,  C08F6/22 ,  G03G9/0804 ,  G03G9/0815 ,  G03G9/0817

    摘要： A method of making toner particles, includes: mixing a latex emulsion, a colorant emulsion, an optional was emulsion, and optional additives in a first reactor to form a slurry; discharging the slurry from the first reactor to a second reactor through a homogenizer; heating the slurry in the second reactor to form aggregated particles in said slurry; discharging the aggregated particles and slurry from the second reactor to a third reactor; heating the aggregated particles and slurry in the third reactor to coalesce the aggregated particles into toner particles; discharging the toner particles and slurry from the third reactor to a fourth reactor; cooling the toner particles; optionally classifying said toner particles to remove coarse particles; and optionally washing and drying said toner particles, wherein the first reactor, second reactor, third reactor, and fourth reactor are at least two different reactors.

    摘要翻译： 制备调色剂颗粒的方法包括：在第一反应器中混合胶乳乳液，着色剂乳液，任选的乳液和任选的添加剂以形成浆料; 通过均化器将浆料从第一反应器排出到第二反应器; 加热第二反应器中的浆料以在所述浆料中形成凝集颗粒; 将凝集的颗粒和浆料从第二反应器排出到第三反应器; 加热第三反应器中的聚集颗粒和浆料以将聚集的颗粒聚结成调色剂颗粒; 将调色剂颗粒和浆料从第三反应器排出到第四反应器; 冷却调色剂颗粒; 任选分级所述调色剂颗粒以除去粗颗粒; 以及任选地洗涤和干燥所述调色剂颗粒，其中第一反应器，第二反应器，第三反应器和第四反应器是至少两个不同的反应器。

    METHOD FOR PRODUCING POLYTETRAFLUOROETHYLENE FINE POWDER
    8.
    发明申请
    METHOD FOR PRODUCING POLYTETRAFLUOROETHYLENE FINE POWDER 有权
    生产聚四氟乙烯微粉的方法

    公开(公告)号：US20110040054A1

    公开(公告)日：2011-02-17

    申请号：US12910904

    申请日：2010-10-25

    申请人： Shinya HIGUCHI ,  Yasuhiko Matsuoka ,  Shigeki Kobayashi

    发明人： Shinya HIGUCHI ,  Yasuhiko Matsuoka ,  Shigeki Kobayashi

    IPC分类号： C08F14/26

    CPC分类号： C08F214/26 ,  C08F2/24 ,  C08F6/18 ,  C08F6/22 ,  C08F14/26 ,  C08F114/26 ,  C08J3/16 ,  C08J2327/18 ,  C08L27/18

    摘要： To provide a method for producing a PTFE fine powder having a low paste extrusion pressure property by a simple method.The method for producing a PTFE fine power comprises emulsion polymerizing tetrafluoroethylene in the presence of an aqueous medium, a fluorinated surfactant and a radical polymerization initiator, to produce an aqueous PTFE emulsion, and coagulating it in the presence of at least one bulk density-reducing compound selected from the group consisting of ammonia, an ammonium salt and urea in an amount of from 0.4 to 10 parts by mass per 100 parts by mass of PTFE.

    摘要翻译： 提供一种通过简单的方法生产具有低糊料挤出压力特性的PTFE细粉的方法。 PTFE精细粉末的制造方法包括在水性介质，氟化表面活性剂和自由基聚合引发剂的存在下将四氟乙烯乳液聚合，生成PTFE水性乳液，并在至少一个体积密度降低 选自氨，铵盐和尿素的化合物的量相对于100质量份的PTFE为0.4〜10质量份。