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公开(公告)号：US5561025A
公开(公告)日：1996-10-01
申请号：US497996
申请日：1995-07-03
IPC分类号： G03G9/087
CPC分类号： G03G9/087
摘要： A process for the preparation of polymer latex particles which comprises the emulsion polymerization of a mixture of monomer, polar comonomer, water, surfactant, initiator, and a water phase termination agent, and wherein the water phase termination agent is selected from the group consisting of butanethiol, pentanethiol, hexanethiol, heptanethiol, octanethiol, and carbon tetrabromide (CBr.sub.4).
摘要翻译： 一种制备聚合物胶乳颗粒的方法，其包括单体，极性共聚单体，水，表面活性剂，引发剂和水相终止剂的混合物的乳液聚合，并且其中水相终止剂选自 丁硫醇，戊硫醇，己硫醇，庚硫醇，辛硫醇和四溴化碳（CBr4）。
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22.发明授权Toner aggregation processes using water insoluble transition metal containing powder 失效使用水不溶性过渡金属的粉末的调色剂聚集方法
公开(公告)号：US5527658A
公开(公告)日：1996-06-18
申请号：US403043
申请日：1995-03-13
IPC分类号： G03G9/08
CPC分类号： G03G9/0804 , G03G9/0815
摘要： A process for the preparation of toner comprising:(i) preparing a pigment dispersion comprised of pigment, an ionic surfactant, and optionally a charge control agent;(ii) shearing said pigment dispersion with a latex 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 of (ii) about below the glass transition temperature (Tg) of the resin, to form electrostatically bound toner size aggregates with a volume average diameter of from between about 2 and about 15 microns and with a narrow particle size distribution as reflected in the particle diameter GSD of between about 1.15 and about 1.30, followed by the addition of a water insoluble transition metal containing powder ionic surfactant in an amount of from between about 0.05 and about 5 weight percent based on the weight of the aggregates; and(iv) heating said bound aggregates about above the Tg of the resin to form toner.
摘要翻译： 一种制备调色剂的方法，包括：（i）制备由颜料，离子表面活性剂和任选的电荷控制剂组成的颜料分散体; （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剪切所述颜料分散体; （iii）将（ii）的上述剪切混合物加热到低于树脂的玻璃化转变温度（Tg），形成体积平均直径为约2至约15微米的静电结合的调色剂尺寸聚集体，并具有狭窄的 粒径分布反映在颗粒直径GSD为约1.15至约1.30之间，随后加入含水粉末离子表面活性剂的量为约0.05至约5重量％ 聚集体 和（iv）将所述结合的聚集体加热到高于树脂的Tg以形成调色剂。
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公开(公告)号：US5501935A
公开(公告)日：1996-03-26
申请号：US373806
申请日：1995-01-17
CPC分类号： G03G9/0819 , G03G9/0804 , G03G9/08706 , G03G9/08708 , G03G9/08711 , G03G9/08728 , G03G9/09733 , G03G9/0975
摘要： A process for the preparation of toner compositions consisting essentially of(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) subsequently adding further anionic or nonionic surfactant solution to minimize further growth in the coalescence (v); and(v) heating said bound aggregates above about the Tg of the resin and wherein said heating is from a temperature of about 103.degree. to about 120.degree. C., and wherein said toner compositions are spherical in shape.
摘要翻译： 一种制备调色剂组合物的方法，其基本上由（i）制备颜料分散体组成，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相反的电荷极性的反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; （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）随后加入其它阴离子或非离子表面活性剂溶液以最小化聚结中的进一步生长（v）; 和（v）在所述树脂的Tg附近加热所述结合的聚集体，并且其中所述加热温度为约103℃至约120℃，并且其中所述调色剂组合物的形状为球形。
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公开(公告)号：US5405728A
公开(公告)日：1995-04-11
申请号：US83116
申请日：1993-06-25
CPC分类号： G03G9/0815 , G03G9/0804 , G03G9/0812
摘要： A process for the preparation of toner compositions comprising(i) preparing a pigment dispersion in water, which dispersion is comprised of a pigment, an ionic surfactant and optionally a charge control agent;(ii) shearing the pigment dispersion with a latex containing a controlled solid contents of from about 50 weight percent to about 20 percent of polymer or resin, counterionic surfactant and nonionic surfactant in water, counterionic surfactant with a charge polarity of opposite sign to that of said ionic surfactant thereby causing a flocculation or heterocoagulation of the formed particles of pigment, resin and charge control agent to form a dispersion of solids of from about 30 weight percent to 2 percent comprised of resin, pigment and optionally charge control agent in the mixture of nonionic, anionic and cationic surfactants;(iii) heating the above sheared blend at a temperature of from about 5.degree. to about 25.degree. C. about below the glass transition temperature (Tg) of the resin while continuously stirring to form toner sized aggregates with a narrow size dispersity; and(iv) heating the electrostatically bound aggregated particles at a temperature of from about 5.degree. to about 50.degree. C. about above the (Tg) of the resin to provide a toner composition comprised of resin, pigment and optionally a charge control agent.
摘要翻译： 一种制备调色剂组合物的方法，包括（i）在水中制备颜料分散体，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）用含有约50重量％至约20重量％的聚合物或树脂，抗衡离子表面活性剂和非离子表面活性剂在水中的控制固体含量的胶乳剪切颜料分散体，具有相反电荷极性的抗衡离子表面活性剂 所述离子表面活性剂因此引起所形成的颜料，树脂和电荷控制剂颗粒的絮凝或异凝，以形成约30重量％至2重量％的固体分散体，其由树脂，颜料和任选的电荷控制剂组成， 非离子，阴离子和阳离子表面活性剂; （iii）在约5℃至约25℃的温度下加热上述剪切的共混物，约低于树脂的玻璃化转变温度（Tg），同时连续搅拌以形成具有窄尺寸分散性的调色剂尺寸的聚集体; 和（iv）在大约高于树脂（Tg）约5℃至约50℃的温度下加热静电结合的凝集颗粒，以提供由树脂，颜料和任选的电荷控制剂组成的调色剂组合物。
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公开(公告)号：US5364729A
公开(公告)日：1994-11-15
申请号：US082660
申请日：1993-06-25
CPC分类号： G03G9/0815 , G03G9/0804 , G03G9/0812
摘要： A process for the preparation of toner compositions 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; and(iv) heating said bound aggregates above about the Tg of the resin.
摘要翻译： 一种制备调色剂组合物的方法，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; 和（iv）在树脂的Tg附近加热所述结合的聚集体。
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公开(公告)号：US5344738A
公开(公告)日：1994-09-06
申请号：US83146
申请日：1993-06-25
CPC分类号： G03G9/09758 , G03G9/0804 , G03G9/09741 , G03G9/0975
摘要： A process for the preparation of toner compositions with a volume median particle size of from about 1 to about 25 microns, which process comprises:(i) preparing by emulsion polymerization an anionic charged polymeric latex of submicron particle size, and comprised of resin particles and anionic surfactant;(ii) preparing a dispersion in water, which dispersion is comprised of optional pigment, an effective amount of cationic flocculant surfactant, and optionally a charge control agent;(iii) shearing the dispersion (ii) with the polymeric latex thereby causing a flocculation or heterocoagulation of the formed particles of optional pigment, resin and charge control agent to form a high viscosity gel in which solid particles are uniformly dispersed;(iv) stirring the above gel comprised of latex particles, and oppositely charged dispersion particles for an effective period of time to form electrostatically bound relatively stable toner size aggregates with narrow particle size distribution; and(v) heating the electrostatically bound aggregated particles at a temperature above the resin glass transition temperature (Tg) thereby providing the toner composition comprised of resin, optional pigment and optional charge control agent.
摘要翻译： 一种制备体积中值粒度为约1至约25微米的调色剂组合物的方法，该方法包括：（i）通过乳液聚合制备亚微米粒度的阴离子带电聚合物胶乳，并由树脂颗粒和 阴离子表面活性剂; （ii）在水中制备分散体，该分散体由任选的颜料，有效量的阳离子絮凝剂表面活性剂和任选的电荷控制剂组成; （iii）用聚合物胶乳剪切分散体（ii），由此引起所形成的任选颜料，树脂和电荷控制剂颗粒的絮凝或杂合，形成固体颗粒均匀分散的高粘度凝胶; （iv）将上述由胶乳颗粒组成的凝胶和相反电荷的分散颗粒搅拌有效的时间以形成具有窄的粒度分布的静电粘合的相对稳定的调色剂尺寸的聚集体; 和（v）在高于树脂玻璃化转变温度（Tg）的温度下加热静电结合的聚集颗粒，从而提供由树脂，任选颜料和任选的电荷控制剂组成的调色剂组合物。
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公开(公告)号：US5723252A
公开(公告)日：1998-03-03
申请号：US707037
申请日：1996-09-03
CPC分类号： G03G9/0804 , Y10S977/788
摘要： A process for the preparation of toner which comprises (i) preparing a pigment dispersion comprised of a pigment dispersed in an ionic surfactant; (ii) shearing said pigment dispersion with a latex or emulsion blend comprised of resin particles and a counterionic surfactant; (iii) heating the above sheared blend below the glass transition temperature (Tg) of said resin particles to form electrostatically bound toner size aggregates; (iv) adding a stabilizer of in situ tricalcium phosphate solid particulants generated from a solution of calcium chloride and trisodium phosphate; (v) heating the mixture of (iii) and (iv) above about the Tg of the resin particles to obtain toner size particles comprised of resin and pigment; (vi) washing with an acid to dissolve the trisodium phosphate; and (vii) optionally washing with water, and optionally drying the toner obtained.
摘要翻译： 一种制备调色剂的方法，其包括（i）制备由分散在离子表面活性剂中的颜料组成的颜料分散体; （ii）用由树脂颗粒和抗衡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; （iii）将上述剪切混合物加热到所述树脂颗粒的玻璃化转变温度（Tg）以下以形成静电结合的调色剂尺寸聚集体; （iv）加入由氯化钙和磷酸三钠生成的原位磷酸三钙固体颗粒的稳定剂; （v）加热上述（iii）和（iv）的混合物约树脂颗粒的Tg，得到由树脂和颜料组成的调色剂尺寸颗粒; （vi）用酸洗涤以溶解磷酸三钠; 和（vii）任选地用水洗涤，并任选地干燥获得的调色剂。
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公开(公告)号：US5804349A
公开(公告)日：1998-09-08
申请号：US907368
申请日：1997-08-07
申请人： Beng S. Ong , Grazyna E. Kmiecik-Lawrynowicz , Raj D. Patel , Walter Mychajlowskij , David J. Sanders , T. Hwee Ng
发明人： Beng S. Ong , Grazyna E. Kmiecik-Lawrynowicz , Raj D. Patel , Walter Mychajlowskij , David J. Sanders , T. Hwee Ng
CPC分类号： G03G9/08795 , G03G9/0806 , G03G9/08711 , G03G9/08731 , G03G9/09725
摘要： A toner comprised of pigment, and an addition polymer resin generated from about 55 to about 80 weight percent of styrene, from about 1 to about 25 weight percent of acrylate, from about 1 to about 20 weight percent of acrylonitrile, and from about 0.5 to about 5 weight percent of acrylic acid.
摘要翻译： 由颜料组成的调色剂和由约55至约80重量％的苯乙烯，约1至约25重量％的丙烯酸酯，约1至约20重量％的丙烯腈和约0.5至约20重量％的丙烯腈产生的加成聚合物树脂 约5重量％的丙烯酸。
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公开(公告)号：US5418108A
公开(公告)日：1995-05-23
申请号：US082741
申请日：1993-06-25
CPC分类号： G03G9/0804 , G03G9/0815 , Y10S528/936
摘要： A process for the preparation of toner compositions with controlled particle size and selected morphology comprising(i) preparing a pigment dispersion in water, which dispersion is comprised of pigment, ionic surfactant, and optionally a charge control agent;(ii) shearing the pigment dispersion with a polymeric latex comprised of resin of submicron size, a counterionic surfactant with a charge polarity of opposite sign to that of said ionic surfactant and a nonionic surfactant thereby causing a flocculation or heterocoagulation of the formed particles of pigment, resin and charge control agent, and generating a uniform blend dispersion of solids of resin, pigment, and optional charge control agent in the water and surfactants;(iii) (a) continuously stirring and heating the above sheared blend to form electrostatically bound toner size aggregates; or(iii) (b) further shearing the above blend to form electrostatically bound well packed aggregates; or(iii) (c) continuously shearing the above blend, while heating to form aggregated flake-like particles;(iv) heating the above formed aggregated particles about above the Tg of the resin to provide coalesced particles of toner; and optionally(v) separating said toner particles from water and surfactants; and(vi) drying said toner particles.
摘要翻译： 一种制备具有受控粒度和选定形态的调色剂组合物的方法，包括（i）在水中制备颜料分散体，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）用由亚微米尺寸的树脂构成的聚合物胶乳剪切颜料分散体，具有与所述离子表面活性剂相反的电荷极性的反离子表面活性剂和非离子表面活性剂，从而引起所形成的颜料颗粒的絮凝或杂合 树脂和电荷控制剂，并在水和表面活性剂中产生树脂，颜料和任选的电荷控制剂固体的均匀混合分散体; （iii）（a）连续搅拌和加热上述剪切混合物以形成静电结合的调色剂尺寸聚集体; 或（iii）（b）进一步剪切上述共混物以形成静电结合的良好堆积的聚集体; 或（iii）（c）连续地剪切上述共混物，同时加热形成聚集的片状颗粒; （iv）将上述形成的聚集颗粒加热到高于树脂的Tg的高度，以提供调色剂的聚结颗粒; 和（v）从水和表面活性剂中分离所述调色剂颗粒; 和（vi）干燥所述调色剂颗粒。
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公开(公告)号：US5840462A
公开(公告)日：1998-11-24
申请号：US6622
申请日：1998-01-13
CPC分类号： G03G9/08755 , G03G9/0804 , G03G9/09
摘要： A process for the preparation of toner which involves i) flushing a colorant into a sulfonated polyester resin; ii) mixing an organic soluble dye with the colorant polyester resin of i); iii) dispersing the resulting mixture into warm water thereby enabling the formation of submicron particles; iv) allowing the resulting solution to cool below about, or about equal to the glass transition temperature of said sulfonated polyester resin; v) adding an alkali halide solution and heating; and optionally vi) recovering said toner, followed by washing and drying.
摘要翻译： 一种制备调色剂的方法，其包括：i）将着色剂冲洗成磺化聚酯树脂; ii）将有机可溶性染料与i）的着色剂聚酯树脂混合; iii）将所得混合物分散到温水中，从而形成亚微米颗粒; iv）使所得溶液冷却至低于或约等于所述磺化聚酯树脂的玻璃化转变温度的水平; v）加入卤化碱溶液并加热; 并且可选地，vi）回收所述调色剂，然后洗涤和干燥。
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