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公开(公告)号：US06984480B2
公开(公告)日：2006-01-10
申请号：US10603449
申请日：2003-06-25
申请人： Daryl Vanbesien , Michael A. Hopper , Raj D. Patel
发明人： Daryl Vanbesien , Michael A. Hopper , Raj D. Patel
IPC分类号： G03G9/08
CPC分类号： G03G9/0804 , G03G9/09725
摘要： A process comprising heating a mixture of colorant and latex in the presence of a coagulant and a silicate salt, and wherein said heating comprises a first heating equal to or below about the glass transition temperature of a polymer contained in said latex, and a second heating equal to or about the glass transition temperature of a polymer contained in said latex; wherein said first heating enables the formation of aggregates and said second heating enables the fusion of said colorant and said polymer; and optionally wherein said silicate is contained in an alkali metal hydroxide.
摘要翻译： 一种方法，包括在凝结剂和硅酸盐存在下加热着色剂和胶乳的混合物，并且其中所述加热包括等于或低于所述胶乳中包含的聚合物的玻璃化转变温度的第一加热，和第二加热 等于或约为所述胶乳中包含的聚合物的玻璃化转变温度; 其中所述第一加热使得能够形成聚集体，并且所述第二加热使得所述着色剂和所述聚合物融合; 并且任选地，其中所述硅酸盐包含在碱金属氢氧化物中。
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公开(公告)号：US06664017B1
公开(公告)日：2003-12-16
申请号：US10225411
申请日：2002-08-20
IPC分类号： G03G9097
CPC分类号： G03G21/043 , G03G9/0902 , G03G9/0926 , G03G9/0928 , G03G9/09708 , G03G9/09725
摘要： A process comprising applying a toner security mark on a document generated by xerographic means and which mark possesses white glossy characteristics, and wherein said toner is comprised of a polymer and a colorant.
摘要翻译： 一种方法，包括在由静电印刷装置产生的文件上施加调色剂安全标记，并且哪个标记具有白色光泽特性，并且其中所述调色剂由聚合物和着色剂组成。
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公开(公告)号：US06210853B1
公开(公告)日：2001-04-03
申请号：US09657340
申请日：2000-09-07
IPC分类号： G03G9087
CPC分类号： G03G9/08708 , G03G9/0806 , G03G9/0819 , G03G9/08711 , G03G9/08755
摘要： A process for the preparation of toner including (i) gerating by emulsion polymerization in the presence of an initiator a first resin latex emulsion; (ii) generating by polycondensation a second resin latex optionally in the presence of a catalyst; (iib) dispersing the resin of (ii) in water; (iii) mixing (iib) with a colorant thereby providing a colorant dispersion; (iiib) mixing the resin latex emulsion of (i) with the resin/colorant mixture of (iii) to provide a blend of a resin and colorant; (iv) adding an aqueous inorganic cationic coagulant solution of a polymeric metal salt and optionally an organic cationic coagulant to the resin/colorant blend of (iiib); (v) heating at a temperature of from about 5 to about 10 degrees Centigrade below the resin Tg of (i), to thereby form aggregate particles and which particles are optionally at a pH of from about 2 to about 3.5; (vi) adjusting the pH of (v) to about 6.5 to about 9 by the addition of a base; (vii) heating the aggregate particles of (v) at a temperature of from about 5 to about 50 degrees Centigrade above the Tg of the resin of (i), followed by a reduction of the pH to from about 2.5 to about 5 by the addition of an acid resulting in coalesced toner; (viii) optionally isolating the toner.
摘要翻译： 一种制备调色剂的方法，包括（i）在引发剂存在下通过乳液聚合第一树脂胶乳乳液; （ii）任选地在催化剂存在下通过缩聚产生第二树脂胶乳; （iib）将（ii）的树脂分散在水中; （iii）将混合（iib）与着色剂混合，从而提供着色剂分散体; （iiib）将（i）的树脂胶乳乳液与（iii）的树脂/着色剂混合物混合以提供树脂和着色剂的共混物; （iv）将聚合金属盐和任选的有机阳离子凝结剂的无机阳离子凝结剂水溶液加入到（iiib）的树脂/着色剂混合物中; （v）在（i）的树脂Tg以下约5至约10摄氏度的温度下加热，从而形成聚集体颗粒，并且哪些颗粒任选处于约2至约3.5的pH值; （vi）通过添加碱将（v）的pH调节至约6.5至约9; （vii）在（i）的树脂的Tg以上约5至约50摄氏度的温度下加热（ⅴ）的聚集体颗粒，随后将pH降低至约2.5至约5 加入导致聚结的调色剂的酸; （viii）任选地分离调色剂。
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公开(公告)号：US06190820B1
公开(公告)日：2001-02-20
申请号：US09657273
申请日：2000-09-07
IPC分类号： G03G9087
CPC分类号： G03G9/0804 , G03G9/0806
摘要： A process for the preparation of toner by, for example (i) generating by emulsion polymerization in the presence of an initiator a first resin latex emulsion; (ii) generating in the presence of an oil soluble initiator by solution polymerization a second resin latex; (iii) mixing (ii) with a colorant; (iiib) mixing the resin latex emulsion of (i) with the resin/colorant mixture of (iii) to provide a blend of a resin and colorant; (iv) adding an aqueous inorganic cationic coagulant solution of a metal salt and optionally an organic cationic coagulant to the resin/colorant blend of (iiib); (v) heating at a temperature of from about 5° C. to about 10° C. below the resin Tg of (i), to form aggregate particles; (vi) adjusting the pH of (v) by the addition of a base; (vii) heating the aggregate particles of (v) at temperatures of from about 5° C. to about 50° C. above the Tg of the resin of (i), followed by the addition of an acid.
摘要翻译： 通过例如（i）在引发剂存在下通过乳液聚合产生第一树脂胶乳乳液来制备调色剂的方法;（ii）通过溶解聚合在油溶性引发剂的存在下产生第二树脂胶乳; （iii）将（ii）与着色剂混合;（iiib）将（i）的树脂胶乳乳液与（iii）的树脂/着色剂混合物混合以提供树脂和着色剂的共混物;（iv） （iiib）的树脂/着色剂共混物中的金属盐和任选的有机阳离子凝结剂的阳离子凝结剂溶液;（v）在温度为约5℃至约10℃的温度下加热至（ i），以形成聚集体颗粒;（vi）通过加入碱来调节（v）的pH;（vii）在约5℃至约50℃的温度下加热（v）的聚集体颗粒 高于（i）的树脂的Tg，然后加入酸。
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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：US5863698A
公开(公告)日：1999-01-26
申请号：US58733
申请日：1998-04-13
申请人： Raj D. Patel , Paul F. Smith , Beverly C. Dutoff , Nan-Xing Hu , Beng S. Ong , Michael A. Hopper
发明人： Raj D. Patel , Paul F. Smith , Beverly C. Dutoff , Nan-Xing Hu , Beng S. Ong , Michael A. Hopper
CPC分类号： G03G9/09741 , G03G9/0804
摘要： A process for the preparation of toner comprising mixing a colorant containing a surfactant and a latex emulsion, and wherein the latex emulsion contains resin and a nonionic hydrolyzable surfactant, and wherein said surfactant is of the Formulas (I) or (II), or optionally mixtures thereof ##STR1## wherein R.sup.1 is a hydrophobic aliphatic, or hydrophobic aromatic group; R.sup.2 is selected from the group consisting of hydrogen, alkyl, aryl, alkylaryl, and alkylarylalkyl; R.sup.3 is hydrogen or alkyl; A is a hydrophilic polymer chain, and m represents the number of A segments; heating below about the resin latex glass transition temperature, followed by the addition of an anionic stabilizer, thereafter heating above about the resin glass transition temperature, and adjusting the pH of the resulting mixture of resin and colorant particles suspended in an aqueous phase containing anionic surfactant, cationic surfactant and nonionic hydrolyzable surfactant, wherein said pH is increased from about 1.7 to about 2.5 to about 6 to about 12 by adding a base during the heating above about said resin glass transition temperature wherein coalescence is being accomplished.
摘要翻译： 一种制备调色剂的方法，包括混合含有表面活性剂的着色剂和胶乳乳液，并且其中所述胶乳乳液含有树脂和非离子可水解表面活性剂，并且其中所述表面活性剂为式（I）或（II），或任选地 （II）其中R1是疏水性脂族或疏水性芳族基团; R2选自氢，烷基，芳基，烷基芳基和烷基芳基烷基; R3是氢或烷基; A是亲水性聚合物链，m表示A链段的数目; 在树脂胶乳玻璃化转变温度以下加热，然后加入阴离子稳定剂，然后加热至高于树脂玻璃化转变温度，并调节悬浮在含有阴离子表面活性剂的水相中的树脂和着色剂颗粒的混合物的pH 阳离子表面活性剂和非离子可水解表面活性剂，其中所述pH通过在加热之前加热约上升约1.7至约2.5至约6至约12，所述树脂玻璃化转变温度高于其中聚结。
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公开(公告)号：US5766818A
公开(公告)日：1998-06-16
申请号：US960176
申请日：1997-10-29
申请人： Paul F. Smith , Nan-Xing Hu , Beverly C. Dutoff , Beng S. Ong , Raj D. Patel , Michael A. Hopper
发明人： Paul F. Smith , Nan-Xing Hu , Beverly C. Dutoff , Beng S. Ong , Raj D. Patel , Michael A. Hopper
CPC分类号： G03G9/08791 , G03G9/0806 , G03G9/0975 , G03G9/09775
摘要： A process for the preparation of toner by mixing a colorant dispersion and a latex emulsion, and wherein the latex emulsion contains resin and a surfactant, wherein the surfactant is, for example, of the Formulas (I) or (II) ##STR1## wherein R.sup.1 is a hydrophobic aliphatic, or hydrophobic aromatic group; R.sup.2 is selected from the group consisting of hydrogen, alkyl, aryl, alkylaryl, and alkylarylalkyl; R.sup.3 is hydrogen or alkyl; A is a hydrophilic polymer, and m represents the number of A segments.
摘要翻译： 一种通过混合着色剂分散体和胶乳乳液制备调色剂的方法，其中胶乳乳液含有树脂和表面活性剂，其中表面活性剂是例如式（I）或（II）的化合物（IMAGE）（ 疏水性芳香族基团; R2选自氢，烷基，芳基，烷基芳基和烷基芳基烷基; R3是氢或烷基; A是亲水性聚合物，m表示A段数。
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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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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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