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公开(公告)号：US5366841A
公开(公告)日：1994-11-22
申请号：US129476
申请日：1993-09-30
CPC分类号： G03G9/0804 , G03G9/0812 , G03G9/0815
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 blend comprised of resin particles, 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 to form a uniform dispersion of solids in the water, and surfactant;(iii) heating the above sheared blend at a critical temperature region about equal to or above the glass transition temperature (Tg) of the resin, while continuously stirring, to form electrostatically bounded toner size aggregates with a narrow particle size distribution and wherein said critical temperature is from about 0.degree. C. to about 10.degree. C. above the resin Tg, and wherein the resin Tg is from about 30.degree. C. to about 65.degree. C. and preferably in the range of from about 45.degree. C. to about 65.degree. C.;(iv) heating the statically bound aggregated particles from about 10.degree. C. to about 45.degree. C. above the Tg of the resin particles to provide a toner composition comprised of polymeric resin, pigment and optionally a charge control agent; and(v) optionally separating and drying said toner.
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）用由树脂颗粒，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混合物剪切颜料分散体，从而引起所形成的颜料，树脂颗粒的絮凝或异凝 和电荷控制剂以形成均匀的固体在水中的分散体和表面活性剂; （iii）在连续搅拌的同时在约等于或高于树脂的玻璃化转变温度（Tg）的临界温度区域加热上述剪切共混物，以形成具有窄粒度分布的静电有界调色剂尺寸聚集体，并且其中所述临界 温度在树脂Tg以上约0℃至约10℃，并且其中树脂Tg为约30℃至约65℃，优选为约45℃至约45℃ 约65℃。 （iv）将静态结合的聚集颗粒加热到高于树脂颗粒的Tg的约10℃至约45℃，以提供由聚合树脂，颜料和任选的电荷控制剂组成的调色剂组合物; 和（v）任选地分离和干燥所述调色剂。
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公开(公告)号：US5981651A
公开(公告)日：1999-11-09
申请号：US922078
申请日：1997-09-02
CPC分类号： C08F12/08 , C09D11/30 , Y10S977/788
摘要： A process comprising (1) polymerizing an organic phase of monomer in the presence of a carboxylic acid, an oil soluble chain transfer agent, and a partially water soluble chain transfer agent; and which polymerizing is accomplished in the presence of (2) an aqueous phase containing a nonionic surfactant, and an anionic surfactant, and wherein there is added to the aqueous phase an aqueous initiator solution of an inorganic persulfate, and wherein the resulting latex contains particles of polymer with carboxylic acid; aggregating said latex particles with colorant; thereafter adding an effective amount of anionic surfactant and heating the mixture resulting about equal to, or about above the polymer Tg resulting from said monomer, or said monomers.
摘要翻译： 一种方法，其包括（1）在羧酸，油溶性链转移剂和部分水溶性链转移剂的存在下聚合单体的有机相; 并且在（2）含有非离子表面活性剂的水相和阴离子表面活性剂的存在下进行聚合，并且其中在水相中加入无机过硫酸盐的引发剂水溶液，并且其中所得的胶乳含有颗粒 的聚合物与羧酸; 用着色剂聚集所述胶乳颗粒; 然后加入有效量的阴离子表面活性剂并加热产生的约等于或约高于由所述单体或所述单体产生的聚合物Tg的混合物。
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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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公开(公告)号：US5554480A
公开(公告)日：1996-09-10
申请号：US299392
申请日：1994-09-01
申请人： Raj D. Patel , H. Bruce Goodbrand , Grazyna E. Kmiecik-Lawrynowicz , Michael A. Hopper , Melvin D. Croucher , James M. Duff
发明人： Raj D. Patel , H. Bruce Goodbrand , Grazyna E. Kmiecik-Lawrynowicz , Michael A. Hopper , Melvin D. Croucher , James M. Duff
CPC分类号： G03G9/0804 , G03G9/0926
摘要： A process for the preparation of fluorescent toner compositions comprising(i) preparing a pigment dispersion in a solvent, which dispersion is comprised of a pigment or dye, an ionic surfactant and optionally a charge control agent;(ii) shearing the pigment dispersion with a latex mixture comprised of a counterionic surfactant with a charge polarity of opposite sign to that of said ionic surfactant, a nonionic surfactant and resin particles, thereby causing a flocculation or heterocoagulation of pigment, resin particles and charge control agent to form electrostatically bound toner size aggregates; and(iii) heating the statically bound aggregated particles to form said toner composition comprised of polymeric resin, pigment and optionally a charge control agent, and wherein the pigment or dye is excitable by ultraviolet light in the frequency range of from about 254 to about 366 nanometers and fluoresces in the visible spectrum of from about 400 to about 700 nanometers.
摘要翻译： 一种制备荧光调色剂组合物的方法，包括（i）在溶剂中制备颜料分散体，该分散体由颜料或染料，离子表面活性剂和任选的电荷控制剂组成; （ii）用包含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，非离子表面活性剂和树脂颗粒的胶乳混合物剪切颜料分散体，从而引起颜料，树脂颗粒和电荷的絮凝或杂合 控制剂形成静电结合的调色剂尺寸聚集体; 和（iii）加热静态结合的聚集颗粒以形成由聚合物树脂，颜料和任选的电荷控制剂组成的所述调色剂组合物，并且其中颜料或染料可以通过紫外光在约254至约366的频率范围内激发 纳米，并且在约400至约700纳米的可见光谱中发荧光。
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公开(公告)号：US5403693A
公开(公告)日：1995-04-04
申请号：US83157
申请日：1993-06-25
CPC分类号： G03G9/0815 , G03G9/0804 , G03G9/0812 , Y10S528/936
摘要： A process for the preparation of toner compositions with controlled particle size comprising:(i) preparing a pigment dispersion in water, which dispersion is comprised of a pigment, an ionic surfactant in amounts of from about 0.5 to about 10 percent by weight of water, and an optional charge control agent;(ii) shearing the pigment dispersion with a latex mixture comprised of a counterionic surfactant with a charge polarity of opposite sign to that of said ionic surfactant, a nonionic surfactant, and resin particles, thereby causing a flocculation or heterocoagulation of the formed particles of pigment, resin, and charge control agent;(iii) stirring the resulting sheared viscous mixture of (ii) at from about 300 to about 1,000 revolutions per minute to form electrostatically bound substantially stable toner size aggregates with a narrow particle size distribution;(iv) reducing the stirring speed in (iii) to from about 100 to about 600 revolutions per minute, and subsequently adding further anionic or nonionic surfactant in the range of from about 0.1 to about 10 percent by weight of water to control, prevent, or minimize further growth or enlargement of the particles in the coalescence step (iii); and(v) heating and coalescing from about 5 to about 50.degree. C. above about the resin glass transition temperature, Tg, which resin Tg is from between about 45.degree. C. to about 90.degree. C. and preferably from between about 50.degree. C. and about 80.degree. C. the statically bound aggregated particles to form said toner composition comprised of resin, pigment and optional charge control agent.
摘要翻译： 一种用于制备具有受控粒度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，约0.5至约10重量％的水的离子表面活性剂， 和可选的电荷控制剂; （ii）用包含与所述离子表面活性剂相反电荷极性的反离子表面活性剂，非离子表面活性剂和树脂颗粒的胶体混合物剪切颜料分散体，从而引起所形成的颜料颗粒的絮凝或异凝 ，树脂和电荷控制剂; （iii）以约300至约1,000转/分钟搅拌得到的（ii）剪切粘稠混合物以形成具有窄粒度分布的静电粘合的基本上稳定的调色剂尺寸聚集体; （iv）将（iii）中的搅拌速度降低至约100至约600转/分钟，随后加入约0.1至约10重量％的水的其它阴离子或非离子表面活性剂以控制， 或最小化在聚结步骤（iii）中的颗粒的进一步生长或增大; 和（v）在树脂玻璃化转变温度Tg以上高于约5至约50℃加热和聚结，该树脂Tg为约45℃至约90℃，优选为约50℃ C.和约80℃的静态结合聚集的颗粒以形成由树脂，颜料和任选的电荷控制剂组成的所述调色剂组合物。
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公开(公告)号：US5348832A
公开(公告)日：1994-09-20
申请号：US69792
申请日：1993-06-01
IPC分类号： C08G63/688 , G03G9/087
CPC分类号： C08G63/6886 , G03G9/08755
摘要： A toner composition comprised of pigment, and a sulfonated polyester of the formula or as essentially represented by the formula ##STR1## wherein M is an ion independently selected from the group consisting of hydrogen, ammonium, an alkali metal ion, an alkaline earth metal ion and a metal ion; R is independently selected from the group consisting of aryl and alkyl; R' is independently selected from the group consisting of alkyl and oxyalkylene; and wherein n and o represent random segments; and wherein the sum of n and o are equal to 100 mole percent.
摘要翻译： 由颜料组成的调色剂组合物和下式的磺化聚酯或基本上由式（I）表示的其中M是独立地选自氢，铵，碱金属离子，碱土金属离子的离子 和金属离子; R独立地选自芳基和烷基; R'独立地选自烷基和氧化烯; 并且其中n和o表示随机区段; 并且其中n和o的和等于100摩尔％。
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公开(公告)号：US5346797A
公开(公告)日：1994-09-13
申请号：US22575
申请日：1993-02-25
CPC分类号： G03G9/0804 , G03G9/0812
摘要： A process for the preparation of toner compositions comprising(i) preparing a pigment dispersion in a solvent, which dispersion is comprised of a pigment, an ionic surfactant and optionally a charge control agent;(ii) shearing the pigment dispersion with a latex mixture comprised of a counterionic surfactant with a charge polarity of opposite sign to that of said ionic surfactant, a nonionic surfactant and resin particles, thereby causing a flocculation or heterocoagulation of the formed particles of pigment, resin and charge control agent to form electrostatically bound toner size aggregates; and(iii) heating the statically bound aggregated particles to form said toner composition comprised of polymeric 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）在溶剂中制备颜料分散体，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）用包含与所述离子表面活性剂相反电荷极性的反离子表面活性剂，非离子表面活性剂和树脂颗粒的胶体混合物剪切所述颜料分散体，从而引起所形成的颜料颗粒的絮凝或杂合， 树脂和电荷控制剂以形成静电结合的调色剂尺寸聚集体; 和（iii）加热静态结合的凝集颗粒以形成由聚合树脂，颜料和任选的电荷控制剂组成的所述调色剂组合物。
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公开(公告)号：US5283153A
公开(公告)日：1994-02-01
申请号：US868745
申请日：1992-04-15
CPC分类号： G03G9/093 , G03G9/09371 , G03G9/09392
摘要： A process for the preparation of encapsulated toner compositions which comprises dispersing a mixture of addition monomers, an optional preformed polymer resin, a free radical initiator, a colorant comprised of a pigment, dye or mixtures thereof, and shell forming monomer in an aqueous medium containing a cellulose polymer and a first ionic surfactant thereby forming a stable microdroplet suspension; and subsequently adding an aqueous solution of a second stabilizing surfactant followed by the formation of a soluble monomer forming shell wall by interfacial polymerization, and thereafter initiating and completing the core resin-forming free radical polymerization by heating thereby resulting in toner compositions with an average volume particle size of from about 3 to about 7 microns.
摘要翻译： 一种制备包封的调色剂组合物的方法，其包括将添加单体的混合物，任选的预成型聚合物树脂，自由基引发剂，由颜料，染料或其混合物组成的着色剂和形成壳的单体混合在含有 纤维素聚合物和第一离子表面活性剂，从而形成稳定的微滴悬浮液; 然后加入第二稳定化表面活性剂的水溶液，然后通过界面聚合形成形成壳壁的可溶性单体，然后通过加热引发和完成形成核心树脂的自由基聚合，从而得到平均体积的调色剂组合物 粒径为约3至约7微米。
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公开(公告)号：US5213938A
公开(公告)日：1993-05-25
申请号：US868810
申请日：1992-04-15
CPC分类号： G03G9/08777 , G03G9/0802 , G03G9/0806 , G03G9/0815 , G03G9/087 , G03G9/0872 , G03G9/09708
摘要： A process for the preparation of toner compositions which comprises the oxidation and metal chelation of the surface thereof; and a process for the preparation of toners which comprises the oxidation and metal chelation of the surface thereof, and subsequently coalescence by the absorption or sticking thereto of a fluoro containing polymer.
摘要翻译： 一种制备调色剂组合物的方法，其包括其表面的氧化和金属螯合; 以及制备调色剂的方法，其包括其表面的氧化和金属螯合，随后通过吸收或粘附含氟聚合物而聚结。
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公开(公告)号：US5683847A
公开(公告)日：1997-11-04
申请号：US619055
申请日：1996-03-20
CPC分类号： G03G9/08711 , G03G9/0804
摘要： A process comprising: (i) preparing a pigment dispersion, which dispersion is comprised of a pigment, a cationic surfactant, and optionally a charge control agent; (ii) shearing said pigment dispersion with a latex comprised of water, resin, a counterionic or anionic surfactant with a charge polarity of opposite sign to that of said cationic surfactant, and a nonionic surfactant, and wherein said latex is prepared by the addition of monomers containing a chain transfer agent and a organic soluble initiator to a water phase containing a anionic surfactant, and said nonionic surfactant, followed by the addition of a water soluble initiator, and subsequently heating; (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 aggregates above about the Tg of the resin.
摘要翻译： 一种方法，包括：（i）制备颜料分散体，该分散体由颜料，阳离子表面活性剂和任选的电荷控制剂组成; （ii）用包含水，树脂，具有与所述阳离子表面活性剂相反的电荷极性的反离子或阴离子表面活性剂的胶乳和非离子表面活性剂剪切所述颜料分散体，并且其中所述胶乳通过加入 含有链转移剂和有机可溶性引发剂的单体与含有阴离子表面活性剂的水相和所述非离子表面活性剂，然后加入水溶性引发剂，随后加热; （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）在树脂的Tg附近加热所述结合的聚集体。
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