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

    公开(公告)号:US5650256A

    公开(公告)日:1997-07-22

    申请号:US720646

    申请日:1996-10-02

    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 comprising:(i) preparing a pigment dispersion, which dispersion is comprised of a pigment, and an ionic surfactant;(ii) shearing said 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, and wherein said resin contains an acid functionality;(iii) heating the above sheared blend below about the glass transition temperature (Tg) of the resin to form electrostatically bound toner size aggregates;(iv) adding anionic surfactant to stabilize the aggregates obtained in (iii);(v) coalescing said aggregates by heating said bound aggregates above about the Tg of the resin;(vi) reacting said resin of (v) with acid functionality with a base to form an acrylic acid salt, and which salt is ion exchanged in water with a base or a salt, optionally in the presence of metal oxide particles, to control the toner triboelectrical charge, which toner is comprised of resin and pigment; and(vii) optionally drying the toner obtained.

    摘要翻译: 一种制备调色剂的方法,包括:(i)制备颜料分散体,该分散体由颜料和离子表面活性剂组成; (ii)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剪切所述颜料分散体,并且其中所述树脂含有酸官能团; (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; (iv)加入阴离子表面活性剂以稳定(iii)中获得的聚集体; (v)通过将所述结合的聚集体加热到约树脂的Tg附近来聚结所述聚集体; (vi)将所述(ⅴ)的酸性官能团的树脂与碱反应形成丙烯酸盐,并且任选地在金属氧化物颗粒存在下,盐与碱或盐在水中进行离子交换,以控制 调色剂摩擦电荷,调色剂由树脂和颜料组成; 和(vii)任选地干燥获得的调色剂。

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

    公开(公告)号:US5962179A

    公开(公告)日:1999-10-05

    申请号:US191713

    申请日:1998-11-13

    IPC分类号: G03G9/08 G03G9/087

    CPC分类号: G03G9/0804 Y10S977/887

    摘要: A process for the preparation of toner comprising mixing a colorant dispersion in water, which dispersion is comprised of a colorant and an ionic surfactant with a resin latex; heating the resulting flocculent mixture with stirring at a temperature of from about 25.degree. C. to about 1.degree. C. below the glass transition temperature (Tg) of the latex resin to effect formation of toner sized aggregates; heating the resulting aggregate suspension in the presence of additional anionic surfactant, and which heating is at a temperature of from about 10.degree. C. to about 55.degree. C. above the Tg of the resin; cooling; adding a base component to the resulting slurry; filtering; and thereafter drying said toner.

    摘要翻译: 一种制备调色剂的方法,包括将着色剂分散体在水中混合,该分散体由着色剂和离子表面活性剂由树脂胶乳组成; 在低于胶乳树脂的玻璃化转变温度(Tg)的约25℃至约1℃的温度下搅拌加热所得絮状混合物以形成调色剂尺寸的聚集体; 在另外的阴离子表面活性剂存在下加热得到的聚集体悬浮液,加热温度高于树脂Tg的约10℃至约55℃; 冷却; 向所得浆料中加入碱组分; 过滤; 然后干燥所述调色剂。

    Gamut toner aggregation processes
    3.
    发明授权
    Gamut toner aggregation processes 失效
    色域调色剂聚集过程

    公开(公告)号:US5688626A

    公开(公告)日:1997-11-18

    申请号:US628062

    申请日:1996-04-08

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

    摘要: A process for the preparation of a combination of color toners comprised of a cyan toner, a magenta toner, a yellow toner, and a black toner, each of said toners being comprised of resin and pigment, and wherein the pigment is cyan, magenta, yellow and black, each of the said pigments are dispersed in a nonionic, or neutral charge surfactant, and wherein each toner in the combination is prepared by (i) preparing a pigment dispersion, which dispersion is comprised of a pigment and nonionic water soluble surfactant; (ii) shearing said 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; (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 toner size aggregates above about the Tg of the resin.

    摘要翻译: 一种用于制备由青色调色剂,品红色调色剂,黄色调色剂和黑色调色剂组成的彩色调色剂的组合的方法,每种所述调色剂由树脂和颜料组成,并且其中所述颜料是青色,品红色, 黄色和黑色,每种所述颜料分散在非离子或中性电荷表面活性剂中,并且其中组合中的每种调色剂通过以下制备:(i)制备颜料分散体,该分散体由颜料和非离子水溶性表面活性剂 ; (ii)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的胶乳或乳液共混物剪切所述颜料分散体; (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)将所述结合的调色剂尺寸聚集体加热到高于树脂的Tg的高度。

    Toner grafting processes
    4.
    发明授权
    Toner grafting processes 失效
    调色剂接枝工艺

    公开(公告)号:US5650252A

    公开(公告)日:1997-07-22

    申请号:US669118

    申请日:1996-06-24

    IPC分类号: G03G9/08 G03G9/087

    摘要: A process for the preparation of toner comprising:(i) preparing a pigment dispersion, which dispersion is comprised of a pigment, an ionic surfactant, and optionally a charge control agent;(ii) shearing said 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;(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 said bound aggregates above about the Tg of the resin; and(v) thereafter washing the toner obtained, adding initiator, adding monomer, polymerizing by heating, and thereafter cooling, followed by an optional second washing.

    摘要翻译: 一种制备调色剂的方法,包括:(i)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的胶乳或乳液共混物剪切所述颜料分散体; (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)将所述结合的聚集体加热到树脂的Tg附近; 和(v)然后洗涤所获得的调色剂,加入引发剂,加入单体,通过加热进行聚合,然后冷却,然后进行任选的第二次洗涤。

    Aggregation processes
    5.
    发明授权
    Aggregation processes 失效
    汇总流程

    公开(公告)号:US5744520A

    公开(公告)日:1998-04-28

    申请号:US684955

    申请日:1996-07-19

    摘要: A process for the preparation of polymer compositions which comprises mixing a conductive component with an anionic polymeric latex containing a polymer; adding a cationic surfactant, or flocculant whereby the aggregation of the latex particles and the conductive component particles results; subsequently adding colloidal stabilizer, followed by the addition of a base to obtain a pH of from about 7 to about 12; heating above about the polymer glass transition temperature thereby enabling the severage, or breakage of the formed aggregated particles; further heating above about the polymer glass transition temperature enabling the coalescence of the polymer and conductive component particles; and optionally washing and drying the resulting coalesced product.

    摘要翻译: 一种制备聚合物组合物的方法,其包括将导电组分与含有聚合物的阴离子聚合物胶乳混合; 加入阳离子表面活性剂或絮凝剂,由此导致胶乳颗粒和导电组分颗粒的聚集; 随后加入胶体稳定剂,然后加入碱以获得约7至约12的pH; 加热高于聚合物玻璃化转变温度,从而能够形成聚集的颗粒的覆盖或破裂; 进一步加热高于聚合物玻璃化转变温度,使聚合物和导电组分颗粒聚结; 并任选地洗涤和干燥所得的聚结产物。

    Coated carriers by aggregation processes
    6.
    发明授权
    Coated carriers by aggregation processes 失效
    通过聚合过程的涂层载体

    公开(公告)号:US5565296A

    公开(公告)日:1996-10-15

    申请号:US497737

    申请日:1995-07-03

    IPC分类号: C08J3/215 G03G9/113

    摘要: A process for the preparation of polymer compositions which comprises mixing a conductive component with an anionic polymeric latex containing a polymer; adding a cationic surfactant, or flocculant whereby the aggregation of the latex particles and the conductive component particles results; subsequently adding colloidal stabilizer, followed by the addition of a base to obtain a pH of from about 7 to about 12; heating above about the polymer glass transition temperature thereby enabling the severage, or breakage of the formed aggregated particles; further heating above about the polymer glass transition temperature enabling the coalescence of the polymer and conductive component particles; and optionally washing and drying the resulting coalesced product.

    摘要翻译: 一种制备聚合物组合物的方法,其包括将导电组分与含有聚合物的阴离子聚合物胶乳混合; 加入阳离子表面活性剂或絮凝剂,由此导致胶乳颗粒和导电组分颗粒的聚集; 随后加入胶体稳定剂,然后加入碱以获得约7至约12的pH; 加热高于聚合物玻璃化转变温度,从而能够形成聚集的颗粒的覆盖或破裂; 进一步加热高于聚合物玻璃化转变温度,使聚合物和导电组分颗粒聚结; 并任选地洗涤和干燥所得的聚结产物。