-
公开(公告)号：US5604076A
公开(公告)日：1997-02-18
申请号：US595143
申请日：1996-02-01
申请人： Raj D. Patel , Guerino G. Sacripante , Grazyna E. Kmiecik-Lawrynowicz , Michael A. Hopper , Francisco E. Torres
发明人： Raj D. Patel , Guerino G. Sacripante , Grazyna E. Kmiecik-Lawrynowicz , Michael A. Hopper , Francisco E. Torres
CPC分类号： G03G9/0806
摘要： A process for the preparation of toner compositions comprising:(i) preparing a latex or emulsion resin comprised of a polyester core encapsulated within a styrene based resin shell by heating said polyester emulsion containing an anionic surfactant with a mixture of monomers of styrene and acrylic acid, and with potassium persulfate, ammonium persulfate, sodium bisulfite, or mixtures thereof;(ii) adding a pigment dispersion, which dispersion is comprised of a pigment, a cationic surfactant, and optionally a charge control agent, followed by the sharing of the resulting blend;(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 electrostatically 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）通过将含有阴离子表面活性剂的聚酯乳液与苯乙烯和丙烯酸的单体混合物加热，制备由包封在苯乙烯基树脂壳内的聚酯芯构成的胶乳或乳液树脂 和过硫酸钾，过硫酸铵，亚硫酸氢钠或其混合物; （ii）添加颜料分散体，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，然后共享所得共混物; （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）将所述静电结合的聚集体加热到高于树脂的Tg的高度。
-
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。
-
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％。
-
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。
-
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。
-
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。
-
公开(公告)号：US5648193A
公开(公告)日：1997-07-15
申请号：US663420
申请日：1996-06-17
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。
-
公开(公告)号：US5698223A
公开(公告)日：1997-12-16
申请号：US829551
申请日：1997-03-28
CPC分类号： G03G9/0804 , G03G9/08768
摘要： A process for the preparation of toner comprising (i) solubilizing an imide based resin in water at pH of from about 10 to about 13 and which solubilizing is accomplished in the presence of nonionic surfactants and anionic surfactants; followed by precipitating the resulting dissolved imide resin into colloidal particles with a size diameter of from about 20 nanometers to about 500 nanometers, and which precipitating is accomplished with a high shearing device operating at a speed of from about 500 to about 2,000 revolutions per minute; acidifying the resulting mixture to a pH of from about 2 to about 4; (ii) preparing a pigment dispersion in water, which dispersion is comprised of a pigment, an oppositely charged ionic surfactant and optionally charge control agent; (iii) shearing (i) and (ii), thereby causing a flocculation of the resin, pigment, surfactants, and optional charge control agent; (iv) heating the resulting flocculent mixture of (iii) with stirring at a temperature of from about 25.degree. C. to about 1.degree. C. below the glass transition temperature (Tg) of the imide resin to effect formation of electrostatically bounded toner sized aggregates, and wherein the imide resin has a Tg of from about 45.degree. C. to about 65.degree. C.; (v) heating the resulting aggregate suspension of (iv) in the presence of additional anionic surfactant selected in an amount of from about 0.01 to about 5 weight percent based on the weight percent of the total reaction mixture solids, and which heating is at a temperature of from about 10.degree. C. to about 55.degree. C. above the Tg of the imide resin; and optionally cooling, and optionally (vi) separating said toner by washing, and thereafter drying said toner.
摘要翻译： 一种制备调色剂的方法，包括（i）将酰亚胺基树脂溶解在约10至约13的pH下，并且在非离子表面活性剂和阴离子表面活性剂存在下进行增溶; 然后将所得溶解的酰亚胺树脂沉淀成尺寸直径为约20纳米至约500纳米的胶体颗粒，并且以约500至约2000转/分钟的速度运行的高剪切装置完成沉淀; 将所得混合物酸化至约2至约4的pH; （ii）在水中制备颜料分散体，该分散体由颜料，相反电荷的离子表面活性剂和任选的电荷控制剂组成; （iii）剪切（i）和（ii），从而引起树脂，颜料，表面活性剂和任选的电荷控制剂的絮凝; （iv）在低于酰亚胺树脂的玻璃化转变温度（Tg）的约25℃至约1℃的温度下搅拌加热得到的（ⅲ）絮状混合物，以形成静电有界调色剂尺寸 聚集体，并且其中所述酰亚胺树脂的Tg为约45℃至约65℃。 （v）在所选择的另外的阴离子表面活性剂存在下加热得到的（iv）聚集体悬浮液，其量为总反应混合物固体的重量百分比为约0.01至约5重量％，加热为 温度高于酰亚胺树脂的Tg约10℃至约55℃; 并任选地冷却，并且任选地（vi）通过洗涤分离所述调色剂，然后干燥所述调色剂。
-
公开(公告)号：US5679724A
公开(公告)日：1997-10-21
申请号：US536235
申请日：1995-09-29
申请人： Guerino G. Sacripante , Raj D. Patel , Marcel P. Breton , Michael A. Hopper , Grazyna E. Kmiecik-Lawrynowicz , Beng S. Ong
发明人： Guerino G. Sacripante , Raj D. Patel , Marcel P. Breton , Michael A. Hopper , Grazyna E. Kmiecik-Lawrynowicz , Beng S. Ong
摘要： An ink for ink jet printing includes an emulsifiable polymer resin and a pigment, and may be made by: (a) combining (1) an emulsion of an emulsifiable polymer resin in an anionic medium with (2) a pigment and a cationic surfactant; and (b) aggregating particles in the mixture of step (a) to a desired particle size, thereby producing a solution of aggregated particles. The particles can optionally be coalesced to alter the particle size of the particles.
摘要翻译： 用于喷墨印刷的油墨包括可乳化聚合物树脂和颜料，并且可以通过以下制备：（a）将（1）阴离子介质中的可乳化聚合物树脂的乳液与（2）颜料和阳离子表面活性剂组合; 和（b）将步骤（a）的混合物中的颗粒聚集成所需的粒径，从而产生凝集颗粒的溶液。 颗粒可以任选地聚结以改变颗粒的粒度。
-
公开(公告)号：US5308734A
公开(公告)日：1994-05-03
申请号：US989613
申请日：1992-12-14
CPC分类号： G03G9/0815 , G03G9/0804 , Y10S526/91
摘要： A process for the preparation of toner compositions which comprises generating an aqueous dispersion of toner fines, ionic surfactant and nonionic surfactant, adding thereto a counterionic surfactant with a polarity opposite to that of said ionic surfactant, homogenizing and stirring said mixture, and heating to provide for coalescence of said toner fine particles.
摘要翻译： 一种制备调色剂组合物的方法，其包括产生调色剂细粉，离子表面活性剂和非离子表面活性剂的水分散体，向其中加入极性与所述离子表面活性剂极性相反的抗衡离子表面活性剂，均化和搅拌所述混合物，并加热以提供 用于所述调色剂微粒的聚结。
-
-
-
-
-
-
-
-
-
搜索结果
90 条记录 (耗时 0.027 秒)
