-
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。
-
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。
-
公开(公告)号：US07052730B2
公开(公告)日：2006-05-30
申请号：US10225408
申请日：2002-08-20
CPC分类号： C09D11/107 , B05D5/061 , B41M3/14 , B41M3/144 , C09D11/037
摘要： A process for generating on a substrate, such as a document, a security mark comprised of a glossy ink containing a colorant.
摘要翻译： 用于在诸如文件的基板上生成由包含着色剂的光泽油墨组成的安全标记的方法。
-
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。
-
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。
-
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。
-
公开(公告)号：US5994020A
公开(公告)日：1999-11-30
申请号：US58738
申请日：1998-04-13
申请人： Raj D. Patel , Michael A. Hopper , Paul F. Smith , Beng S. Ong , Allan K. Chen
发明人： Raj D. Patel , Michael A. Hopper , Paul F. Smith , Beng S. Ong , Allan K. Chen
CPC分类号： G03G9/08782 , G03G9/0804 , Y10S977/887
摘要： A toner process which comprises mixing(i) a colorant dispersion, and a(ii) a nonionic surfactant, an ionic surfactant or mixtures thereof, with(iii) a latex comprised of resin and a mixture of anionic surfactant and a nonionic surfactant;(iv) heating the resulting blend of (iii) about equal to, or below about the glass transition temperature (Tg) of the resin; and(v) optionally adding additional anionic surfactant to the resulting aggregated suspension of (iv);(vi) heating the resulting mixture of (v) about equal to, or above about the Tg of the resin and(vii) isolating the toner.
摘要翻译： 一种调色剂方法，其包括将（i）着色剂分散体和（ii）非离子表面活性剂，离子表面活性剂或其混合物与（iii）由树脂和阴离子表面活性剂和非离子表面活性剂的混合物组成的胶乳混合; （iv）将所得的（iii）的共混物加热至约等于或低于树脂的玻璃化转变温度（Tg）; 和（v）任选地向所得的（iv）的聚集悬浮液中加入另外的阴离子表面活性剂; （vi）加热（v）约等于或高于树脂Tg的混合物，和（vii）分离调色剂。
-
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。
-
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。
-
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。
-
-
-
-
-
-
-
-
-
搜索结果
61 条记录 (耗时 0.043 秒)