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221 条记录 (耗时 0.076 秒)

    Toner processes
    102.
    发明授权
    Toner processes 失效
    墨粉处理

    公开(公告)号：US5658704A

    公开(公告)日：1997-08-19

    申请号：US663414

    申请日：1996-06-17

    申请人： Raj D. Patel ,  Guerino G. Sacripante ,  Daniel A. Foucher

    发明人： Raj D. Patel ,  Guerino G. Sacripante ,  Daniel A. Foucher

    IPC分类号： G03G9/08 ,  G03G9/087

    CPC分类号： G03G9/08755 ,  G03G9/0804 ,  G03G9/0812 ,  Y10S430/105

    摘要： A process for the preparation of toner comprised ofi) flushing pigment into a sulfonated polyester resin, and which resin has a degree of sulfonation of from between about 0.5 and about 2.5 mol percent based on the repeat unit of the polymer;ii) dispersing the resulting pigmented sulfonated polyester resin in warm water, which water is at a temperature of from about 40.degree. to about 95.degree. C., and which dispersing is accomplished by a high speed shearing polytron device operating at speeds of from about 100 to about 5,000 revolutions per minute thereby enabling the formation of toner sized particles, and which particles are of a volume average diameter of from about 3 to about 10 microns with a narrow GSD;iii) recovering said toner by filtration;iv) drying said toner by vacuum; andv) optionally adding to said dry toner charge additives and flow aids.

    摘要翻译： 一种制备调色剂的方法，其包括：i）将颜料冲洗成磺化聚酯树脂，并且所述树脂的磺化度基于聚合物的重复单元为约0.5至约2.5摩尔％; ii）将得到的着色的磺化聚酯树脂分散在温度为约40℃至约95℃的温水中，并且该分散是通过以约100的速度操作的高速剪切聚酯装置来实现的 至约5,000转/分钟，从而能够形成调色剂尺寸的颗粒，并且哪些颗粒具有约3至约10微米的体积平均直径，具有窄GSD; iii）通过过滤回收所述调色剂; iv）通过真空干燥所述调色剂; 和v）任选地添加到所述干燥调色剂电荷添加剂和流动助剂中。

    Toner processes
    103.
    发明授权
    Toner processes 失效
    墨粉处理

    公开(公告)号：US5648193A

    公开(公告)日：1997-07-15

    申请号：US663420

    申请日：1996-06-17

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

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

    IPC分类号： G03G9/08 ,  G03G9/087

    CPC分类号： G03G9/0804 ,  G03G9/08755 ,  G03G9/08791

    摘要： A process for the preparation of toner compositions, or particles comprised ofi) flushing a pigment into a sulfonated polyester resin, and which resin has a degree of sulfonation of from between about 2.5 and 20 mol percent;ii) dispersing the resulting sulfonated pigmented polyester resin into water, which water is at a temperature of from about 40 to about 95.degree. C., by a high speed shearing polytron device operating at speeds of from about 100 to about 5,000 revolutions per minute thereby enabling the formation of stable toner sized submicron particles, and which particles are of a volume average diameter of from about 5 to about 200 nanometers;iii) allowing the resulting dispersion to cool to from about 5 to about 10.degree. C. below the glass transition temperature of said pigmented sulfonated polyester resin;iv) adding an alkali metal halide solution, which solution contains from about 0.5 percent to about 5 percent by weight of water, followed by stirring and heating from about room temperature, about 25.degree. C., to a temperature below the resin Tg to induce aggregation of said submicron pigmented particles to obtain toner size particles of from about 3 to about 10 microns in volume average diameter and with a narrow GSD; or stirring and heating to a temperature below the resin Tg, followed by the addition of alkali metal halide solution until the desired toner size of from about 3 to about 10 microns in volume average diameter and with a narrow GSD is achieved; andv) recovering said toner by filtration and washing with cold water, drying said toner particles by vacuum, and thereafter, optionally blending charge additives and flow additives.

    摘要翻译： 一种调色剂组合物的制备方法或由以下组分组成的颗粒：i）将颜料冲洗成磺化聚酯树脂，并且所述树脂的磺化度为约2.5至20摩尔％; ii）通过以约100至约5,000转/分钟的速度操作的高速剪切聚酯装置将所得的磺化着色聚酯树脂分散在水中，该水在约40至约95℃的温度下，由此 使得能够形成稳定的调色剂尺寸的亚微米颗粒，并且哪些颗粒的体积平均直径为约5至约200纳米; iii）使所得分散体冷却至低于所述着色的磺化聚酯树脂的玻璃化转变温度约5至约10℃; iv）加入碱金属卤化物溶液，该溶液含有约0.5％至约5％重量的水，然后在约25℃的约室温下搅拌和加热至低于树脂Tg的温度以诱导 所述亚微米有色颗粒的聚集以获得体积平均直径为约3至约10微米并具有窄GSD的调色剂尺寸颗粒; 或搅拌并加热到低于树脂Tg的温度，然后加入碱金属卤化物溶液，直到达到体积平均直径和窄GSD约3至约10微米的所需调色剂尺寸; 和v）通过过滤回收所述调色剂并用冷水洗涤，真空干燥所述调色剂颗粒，然后任选地混合电荷添加剂和流动添加剂。

    Cationic Toner processes
    104.
    发明授权
    Cationic Toner processes 失效
    阳离子调色剂工艺

    公开(公告)号：US5645968A

    公开(公告)日：1997-07-08

    申请号：US726600

    申请日：1996-10-07

    申请人： Guerino G. Sacripante ,  Maureen M. Kedian ,  Raj D. Patel ,  Walter Mychajlowskij ,  Beng S. Ong

    发明人： Guerino G. Sacripante ,  Maureen M. Kedian ,  Raj D. Patel ,  Walter Mychajlowskij ,  Beng S. Ong

    IPC分类号： G03G9/087 ,  G03G9/08

    CPC分类号： G03G9/0804

    摘要： A process for the preparation of toner comprising(i) preparing, or providing a cationic emulsion resin latex comprised of a resin derived from at least one olefinic nonpolar monomer, a cationic olefinic monomer, a cationic free radical initiator, and optionally a chain transfer agent in an aqueous mixture comprised of a nonionic surfactant and a cationic surfactant, and which mixture is heated at a temperature of from about 60.degree. C. to about 95.degree. C.;(ii) adjusting the pH of said cationic latex to from about 10 to about 14 by the addition of a base;(iii) preparing, or providing a pigment dispersion, which dispersion is comprised of a pigment and an anionic surfactant, and optionally a charge control agent;(iv) shearing said pigment dispersion with the pH adjusted latex of (ii) and heating below about the resin Tg to form electrostatically bound toner size aggregates, and optionally adding a cationic surfactant to stabilize the size of the toner aggregates; and(v) heating said electrostatically bound toner size aggregates above about the Tg of the resin to form coalesced toner particles; followed by optionally filtering, washing and drying the toner obtained.

    摘要翻译： 一种制备调色剂的方法，包括（i）制备或提供由至少一种烯属非极性单体衍生的树脂，阳离子烯烃单体，阳离子自由基引发剂和任选的链转移剂组成的阳离子乳液树脂胶乳 在由非离子表面活性剂和阳离子表面活性剂组成的含水混合物中，将混合物在约60℃至约95℃的温度下加热; （ii）通过加入碱将所述阳离子胶乳的pH调节至约10至约14; （iii）制备或提供颜料分散体，该分散体由颜料和阴离子表面活性剂以及任选的电荷控制剂组成; （iv）用（ii）的pH调节的胶乳剪切所述颜料分散体，并加热到树脂Tg附近，以形成静电结合的调色剂尺寸聚集体，以及任选地加入阳离子表面活性剂以稳定调色剂聚集体的尺寸; 和（v）在所述树脂的Tg附近加热所述静电结合的调色剂尺寸聚集体以形成聚结的调色剂颗粒; 然后任选地过滤，洗涤和干燥获得的调色剂。

    Toner composition and processes thereof
    108.
    发明授权
    Toner composition and processes thereof 失效
    调色剂组合物及其工艺

    公开(公告)号：US5278020A

    公开(公告)日：1994-01-11

    申请号：US936471

    申请日：1992-08-28

    申请人： Bernard Grushkin ,  Guerino G. Sacripante

    发明人： Bernard Grushkin ,  Guerino G. Sacripante

    IPC分类号： G03G9/08 ,  G03G9/087 ,  G03C5/00

    CPC分类号： G03G9/0806 ,  G03G9/0815 ,  G03G9/08737

    摘要： A toner composition and processes for the preparation thereof comprising the steps of: (i) preparing a latex emulsion by agitating in water a mixture of a nonionic surfactant, an anionic surfactant, a first nonpolar olefinic monomer, a second nonpolar diolefinic monomer, a free radical initiator and a chain transfer agent; (ii) polymerizing the latex emulsion mixture by heating from ambient temperature to about 80.degree. C. to form nonpolar olefinic emulsion resin particles of volume average diameter from about 5 nanometers to about 500 nanometers; (iii) diluting the nonpolar olefinic emulsion resin particle mixture with water; (iv) adding to the diluted resin particle mixture a colorant or pigment particles and optionally dispersing the resulting mixture with a homogenizer; (v) adding a cationic surfactant to flocculate the colorant or pigment particles to the surface of the emulsion resin particles; (vi) homogenizing the flocculated mixture at high shear to form statically bound aggregated composite particles with a volume average diameter of less than or equal to about 5 microns; (vii) heating the statically bound aggregate composite particles to form nonpolar toner sized particles; (viii) optionally halogenating the nonpolar toner sized particles to form nonpolar toner sized particles having a halopolymer resin outer surface or encapsulating shell; and (ix) isolating the nonpolar toner sized composite particles.

    摘要翻译： 一种调色剂组合物及其制备方法，包括以下步骤：（i）通过在水中搅拌非离子表面活性剂，阴离子表面活性剂，第一非极性烯属单体，第二非极性二烯烃单体， 自由基引发剂和链转移剂; （ii）通过从环境温度至约80℃加热聚合胶乳乳液混合物，以形成体积平均直径为约5纳米至约500纳米的非极性烯属乳液树脂颗粒; （iii）用水稀释非极性烯烃乳液树脂颗粒混合物; （iv）向稀释的树脂颗粒混合物中加入着色剂或颜料颗粒，并任选地用均化器分散所得混合物; （v）添加阳离子表面活性剂以将着色剂或颜料颗粒絮凝到乳液树脂颗粒的表面; （vi）在高剪切下使絮凝的混合物均化，以形成体积平均直径小于或等于约5微米的静态结合的聚集复合颗粒; （vii）加热静态结合的聚集体复合颗粒以形成非极性调色剂尺寸的颗粒; （viii）任选地将非极性调色剂尺寸的颗粒卤化以形成具有卤素聚合物树脂外表面或包封壳的非极性调色剂大小的颗粒; 和（ix）分离非极性调色剂尺寸的复合颗粒。