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公开(公告)号：US5977210A
公开(公告)日：1999-11-02
申请号：US380550
申请日：1995-01-30
申请人： Raj D. Patel , Marcel P. Breton , Michael A. Hopper , Grazyna E. Kmiecik-Lawrynowicz , Beng S. Ong
发明人： Raj D. Patel , Marcel P. Breton , Michael A. Hopper , Grazyna E. Kmiecik-Lawrynowicz , Beng S. Ong
CPC分类号： C09D11/30 , C08F2/26 , Y10S977/902
摘要： A process for the preparation of ink compositions comprising the emulsion polymerization of monomer, water, surfactant, and initiator with stirring and heating to provide a latex; mixing therewith a pigment dispersion of pigment particles, water, and cationic surfactant; blending the mixture; thereafter stirring the mixture; and subsequently adding additional anionic surfactant to stabilize the aggregate particles.
摘要翻译： 一种制备油墨组合物的方法，包括在搅拌和加热下单体，水，表面活性剂和引发剂的乳液聚合以提供胶乳; 与颜料颗粒，水和阳离子表面活性剂的颜料分散体混合; 混合混合物 然后搅拌混合物; 并随后加入另外的阴离子表面活性剂以稳定聚集体颗粒。
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公开(公告)号：US5525452A
公开(公告)日：1996-06-11
申请号：US497988
申请日：1995-07-03
CPC分类号： G03G9/0815 , G03G9/0804
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 said pigment dispersion with an aqueous latex or emulsion blend comprised of a nonionic surfactant, resin, and a counterionic surfactant with a charge polarity of opposite sign to that of said ionic 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 the electrostatically bound aggregates above about the Tg of the resin, which heating is accomplished at a pH of from about 4.0 to about 6.0 while continuously stirring the electrostatically bound aggregates to form toner particles;(v) washing the toner particles with a basic aqueous solution, which solution is of a pH of from between about 10.0 and about 12.0; and thereafter optionally(iv) separating the toner particles from the emulsion blend containing water by filtration and then drying the toner particles.
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）用包含非离子表面活性剂，树脂和抗衡离子表面活性剂的水性胶乳或乳液共混物剪切所述颜料分散体，其电荷极性与所述离子表面活性剂相反; （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）将高于约树脂Tg的静电结合聚集体加热，在约4.0至约6.0的pH下进行加热，同时连续搅拌静电结合的聚集体以形成调色剂颗粒; （v）用碱性水溶液洗涤调色剂颗粒，该溶液的pH为约10.0至约12.0; 然后任选地（iv）通过过滤从含有水的乳液共混物中分离调色剂颗粒，然后干燥调色剂颗粒。
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公开(公告)号：US5482812A
公开(公告)日：1996-01-09
申请号：US344060
申请日：1994-11-23
申请人： Michael A. Hopper , Raj D. Patel , Grazyna E. Kmiecik-Lawrynowicz , Stephan V. Drappel , Paul J. Gerroir
发明人： Michael A. Hopper , Raj D. Patel , Grazyna E. Kmiecik-Lawrynowicz , Stephan V. Drappel , Paul J. Gerroir
CPC分类号： G03G9/0804 , G03G9/0815
摘要： A process for the preparation of toner compositions or toner particles comprising:(i) providing an aqueous pigment dispersion comprised of a pigment, an ionic surfactant, and optionally a charge control agent;(ii) providing a wax dispersion comprised of wax, a dispersant comprised of nonionic surfactant, ionic surfactant or mixtures thereof;(iii) shearing a mixture of the wax dispersion and the 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;(iv) 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;(v) adding additional ionic surfactant to the aggregated suspension of (iv) to ensure that no, or minimal additional particle growth of the electrostatically bound toner size aggregates occurs on further increasing the temperature to coalesce the aggregates into toner particles (vi);(vi) heating the mixture of (v) with bound aggregates above about or at the Tg of the resin; and optionally(vii) separating the toner particles from the aqueous slurry by filtration and thereafter optionally washing.
摘要翻译： 一种制备调色剂组合物或调色剂颗粒的方法，包括：（i）提供由颜料，离子表面活性剂和任选的电荷控制剂组成的水性颜料分散体; （ii）提供由蜡组成的蜡分散体，由非离子表面活性剂，离子表面活性剂或其混合物组成的分散剂; （iii）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来剪切蜡分散体和颜料分散体的混合物; （iv）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; （v）向（iv）的聚集悬浮液中加入另外的离子表面活性剂，以确保在进一步升高温度以使聚集体聚结成调色剂颗粒（vi）时，静电结合的调色剂尺寸聚集体不会发生或最小的附加颗粒生长。 （vi）将（v）混合物加热至高于树脂Tg或高于Tg的结合聚集体; 并且任选地（vii）通过过滤从调色剂颗粒与含水浆料分离，然后任选地洗涤。
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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：US5370963A
公开(公告)日：1994-12-06
申请号：US82651
申请日：1993-06-25
CPC分类号： G03G9/0815 , G03G9/0804
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 pigment, an ionic surfactant, and an optional charge control agent;(ii) shearing at high speeds the pigment dispersion with a polymeric latex comprised of resin, a counterionic surfactant with a charge polarity of opposite sign to that of said ionic surfactant and a nonionic surfactant thereby forming a uniform homogeneous blend dispersion comprised of resin, pigment, and optional charge agent;(iii) heating the above sheared homogeneous blend below about the glass transition temperature (Tg) of the resin while continuously stirring to form electrostatically bounded toner size aggregates with a narrow particle size distribution;(iv) heating the statically bound aggregated particles above about the Tg of the resin particles to provide coalesced toner comprised of resin, pigment, and optional charge control agent, and subsequently optionally accomplishing (v) and (vi);(v) separating said toner; and(vi) drying said toner.
摘要翻译： 一种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，离子表面活性剂和任选的电荷控制剂组成; （ii）以高速剪切颜料分散体，其中聚合物胶乳由树脂，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，由此形成均匀的均匀共混分散体，其由树脂，颜料 ，和可选充电剂; （iii）在连续搅拌下将上述剪切的均匀共混物加热到低于树脂的玻璃化转变温度（Tg）的同时，形成具有窄粒度分布的静电有界的调色剂尺寸聚集体; （iv）在树脂颗粒的Tg附近加热静态结合的聚集颗粒，以提供由树脂，颜料和任选的电荷控制剂组成的聚结的调色剂，随后任选地完成（v）和（vi）; （v）分离所述调色剂; 和（vi）干燥所述调色剂。
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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：US5744520A
公开(公告)日：1998-04-28
申请号：US684955
申请日：1996-07-19
申请人： Grazyna E. Kmiecik-Lawrynowicz , Richard P. N. Veregin , Raj D. Patel , Michael A. Hopper , Maria V. McDougall
发明人： Grazyna E. Kmiecik-Lawrynowicz , Richard P. N. Veregin , Raj D. Patel , Michael A. Hopper , Maria V. McDougall
CPC分类号： C08J3/215 , G03G9/1131 , G03G9/1133 , G03G9/1138 , G03G9/1139
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。
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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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