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1. 发明授权

US5330874A Dry carrier coating and processes 失效
标题翻译：干载体涂层和工艺
公开(公告)号：US5330874A
公开(公告)日：1994-07-19
申请号：US953382
申请日：1992-09-30
申请人： Hadi K. Mahabadi , Denise Y. Wright , T. Hwee Ng , Angelo J. Barbetta , John A. Creatura
发明人： Hadi K. Mahabadi , Denise Y. Wright , T. Hwee Ng , Angelo J. Barbetta , John A. Creatura
IPC分类号： G03G9/113 , G03G5/00
CPC分类号： G03G9/1139 , G03G9/1133
摘要： A process for the preparation of carrier particles which comprises the dry coating of a carrier or carrier cores with conductive submicron polymeric particles containing from about 1 to about 50 weight percent of conductive fillers, and wherein said conductive polymer particles are prepared by mixing at least one monomer with a polymerization initiator, a crosslinking component and a chain transfer component; effecting bulk polymerization until from about 5 to about 50 weight percent of the monomer has been polymerized; terminating polymerization by cooling the partially polymerized monomer; adding thereto from about 1 to about 50 weight percent of a conductive filler or conductive fillers, followed by mixing thereof; dispersing the aforementioned mixture of conductive filler or fillers, and partially polymerized product in water containing a stabilizing component to obtain a suspension of particles with an average diameter of from about 0.05 to about 1 micron in water; polymerizing the resulting suspension by heating; subsequently washing and drying the product; thereafter heating the carrier core or carrier cores and the resulting conductive polymer particles to enable fusing thereof to said core or cores; and cooling the carrier particles obtained, which particles have a conductivity of from between about 10.sup. -4 to about 10.sup.-10 mho-cm.sup.-1.
摘要翻译：一种用于制备载体颗粒的方法，其包括用包含约1-约50重量％的导电填料的导电亚微米聚合物颗粒干燥涂覆载体或载体芯，并且其中所述导电聚合物颗粒通过将至少一种具有聚合引发剂的单体，交联组分和链转移组分; 直到约5至约50重量％的单体已经聚合才能进行本体聚合; 通过冷却部分聚合的单体终止聚合; 加入约1至约50重量％的导电填料或导电填料，然后混合; 将上述导电填料或填料的混合物和部分聚合的产物分散在含有稳定组分的水中以获得在水中平均直径为约0.05至约1微米的颗粒的悬浮液; 通过加热使得到的悬浮液聚合; 随后洗涤和干燥产品; 然后加热载体芯或载体芯和所得导电聚合物颗粒以使其熔合到所述芯或芯上; 并冷却所获得的载体颗粒，该颗粒的导电率介于约10 -4至10 -10 mho-cm -1之间。

2. 发明授权

US5236629A Conductive composite particles and processes for the preparation thereof 失效
标题翻译：导电复合颗粒及其制备方法
公开(公告)号：US5236629A
公开(公告)日：1993-08-17
申请号：US792570
申请日：1991-11-15
申请人： Hadi K. Mahabadi , Denise Y. Wright , T. Hwee Ng , Angelo J. Barbetta , John A. Creatura
发明人： Hadi K. Mahabadi , Denise Y. Wright , T. Hwee Ng , Angelo J. Barbetta , John A. Creatura
IPC分类号： C08F2/18 , C08F2/02 , C08F2/24 , C08F2/44 , H01B1/00
CPC分类号： C08F2/44
摘要： A process for the preparation of conductive submicron polymeric particles which comprises mixing at least one monomer with a polymerization initiator, a crosslinking component and a chain transfer component; effecting bulk polymerization until from about 10 to about 50 weight percent of the monomer has been polymerized; terminating polymerization by cooling the partially polymerized monomer; adding thereto from about 1 to about 50 weight percent of a conductive filler, or conductive fillers, followed by mixing thereof; dispersing the aforementioned mixture of conductive filler or fillers, and partially polymerized product in water containing a stabilizing component to obtain a suspension of particles with an average diameter of from about 0.05 to about 1 micron in water; polymerizing the resulting suspension by heating; and subsequently washing and drying the product.
摘要翻译：一种制备导电亚微米聚合物颗粒的方法，其包括将至少一种单体与聚合引发剂，交联组分和链转移组分混合; 直到约10至约50重量％的单体已经聚合才能进行本体聚合; 通过冷却部分聚合的单体终止聚合; 加入约1至约50重量％的导电填料或导电填料，然后混合; 将上述导电填料或填料的混合物和部分聚合的产物分散在含有稳定组分的水中，得到平均直径为约0.05至约1微米的水悬浮液; 通过加热使得到的悬浮液聚合; 随后洗涤和干燥该产品。

3. 发明授权

US6124409A Processes for preparing copolymers 失效
标题翻译：制备共聚物的方法
公开(公告)号：US6124409A
公开(公告)日：2000-09-26
申请号：US929457
申请日：1992-08-12
申请人： T. Hwee Ng , Hadi K. Mahabadi , Man C. Tam , Gregory J. Kovacs , Eric M. Peters , Rafik O. Loutfy
发明人： T. Hwee Ng , Hadi K. Mahabadi , Man C. Tam , Gregory J. Kovacs , Eric M. Peters , Rafik O. Loutfy
IPC分类号： C08F2/00 , C08F2/06 , C08F2/18 , C08F4/38
CPC分类号： C08F2/001 , C08F2/06 , Y10S526/921
摘要： Disclosed is a process for preparing copolymers which comprises, in the order stated: (1) adding monomers containing unsaturated carbon-to-carbon bonds, a first polymerization initiator, a second polymerization initiator, and a solvent to a reaction vessel; (2) purging the resulting solution with an inert gas; (3) sealing the reaction vessel and pressurizing it by addition of an inert gas to a pressure of from about 20 to about 600 kilopascals over ambient atmospheric pressure; (4) maintaining the temperature within the pressurized reaction vessel at a temperature of from about 50 to about 100.degree. C. for a period of from about 60 to about 300 minutes; (5) thereafter maintaining the temperature within the pressurized reaction vessel at a temperature of from about 80 to about 115.degree. C. for a period of from about 30 to about 300 minutes, wherein the temperature in step (5) is higher than the temperature in step (4); and (6) subsequently maintaining the temperature within the pressurized reaction vessel at a temperature of from about 115 to about 160.degree. C. for a period of from about 30 to about 180 minutes, wherein the temperature in step (6) is higher than the temperature in step (5). Polymers prepared according to the process of the present invention can be particularly useful in migration imaging members.
摘要翻译：公开了一种制备共聚物的方法，其顺序包括：（1）向反应容器中加入含有不饱和碳 - 碳键的单体，第一聚合引发剂，第二聚合引发剂和溶剂; （2）用惰性气体吹扫所得溶液; （3）密封反应容器并通过在环境大气压下加入约20至约600千帕斯卡的惰性气体对其加压; （4）将加压反应容器内的温度维持在约50至约100℃的温度下约60至约300分钟; （5）之后将加压反应容器内的温度保持在约80至约115℃的温度下约30至约300分钟的时间，其中步骤（5）中的温度高于温度在步骤（4）中; 和（6）随后将加压反应容器内的温度保持在约115至约160℃的温度下约30至约180分钟的时间，其中步骤（6）中的温度高于步骤（5）中的温度。根据本发明的方法制备的聚合物可以在迁移成像构件中特别有用。

4. 发明授权

US5567566A Latex processes 失效
标题翻译：乳胶工艺
公开(公告)号：US5567566A
公开(公告)日：1996-10-22
申请号：US605423
申请日：1996-02-22
申请人： Hadi K. Mahabadi , Grazyna E. Kmiecik-Lawrynowicz , T. Hwee Ng
发明人： Hadi K. Mahabadi , Grazyna E. Kmiecik-Lawrynowicz , T. Hwee Ng
IPC分类号： C08F2/24 , G03G9/08 , G03G9/087
CPC分类号： G03G9/0806 , C08F2/24
摘要： A process for the preparation of polymer latex particles comprising:(a) conducting a pre-reaction emulsification which comprises emulsification of the polymerization reagents of monomer, polar comonomer, water, surfactant, chain transfer agent, and initiator, and wherein said emulsification is accomplished at a low temperature of from about 3.degree. to about 35.degree. C.; and(b) accomplishing an emulsion polymerization, which comprises heating the emulsified mixture of (a) in a reactor at from about 25.degree. to about about 125.degree. C. and retaining the contents of the reactor for an effective time period at said temperature of from about 25.degree. to about about 12.degree. C., followed by cooling.
摘要翻译：一种制备聚合物胶乳颗粒的方法，包括：（a）进行预反应乳化，其包括乳化单体，极性共聚单体，水，表面活性剂，链转移剂和引发剂的聚合试剂，并且其中所述乳化完成在约3℃至约35℃的低温下。和（b）完成乳液聚合，其包括在约25℃至约125℃的反应器中加热（a）的乳化混合物，并将反应器的内容物在所述温度约25℃至约12℃，然后冷却。

5. 发明授权

US5847030A Latex processes 失效
标题翻译：乳胶工艺
公开(公告)号：US5847030A
公开(公告)日：1998-12-08
申请号：US691770
申请日：1996-08-02
申请人： Hadi K. Mahabadi , Grazyna E. Kmiecik-Lawrynowicz , T. Hwee Ng
发明人： Hadi K. Mahabadi , Grazyna E. Kmiecik-Lawrynowicz , T. Hwee Ng
IPC分类号： C08F2/24 , G03G9/08 , C08J3/03
CPC分类号： G03G9/0806 , C08F2/24
摘要： A process for the preparation of polymer latex particles by conducting a pre-reaction emulsification with monomer, polar comonomer, water, surfactant, chain transfer agent, and initiator; and which pre-reaction emulsification is effected at a low temperature of from about 3.degree. C. to about 35.degree. C., for example, and thereafter, effecting emulsion polymerization by heating the aforementioned emulsified mixture in a reactor at a temperature of from about 25.degree. C. to about 125.degree. C. The aforementioned reactor contents are retained at this temperature, that is 25.degree. C. to 125.degree. C. for an effective time period. Thereafter, the reaction mixture is cooled.
摘要翻译：通过与单体，极性共聚单体，水，表面活性剂，链转移剂和引发剂进行预反应乳化来制备聚合物胶乳颗粒的方法; 并且在例如约3℃至约35℃的低温下进行预反应乳化，此后，通过在反应器中将上述乳化混合物在约 25℃至约125℃。上述反应器内容物在该温度下保持25℃至125℃，持续有效时间。此后，将反应混合物冷却。

6. 发明授权

US08383309B2 Preparation of sublimation colorant dispersion 有权
标题翻译：升华着色剂分散体的制备
公开(公告)号：US08383309B2
公开(公告)日：2013-02-26
申请号：US12611336
申请日：2009-11-03
申请人： Yulin Wang , Ke Zhou , Edward G. Zwartz , T. Hwee Ng
发明人： Yulin Wang , Ke Zhou , Edward G. Zwartz , T. Hwee Ng
IPC分类号： G03G9/09
CPC分类号： G03G9/08795 , G03G9/08755 , G03G9/08764 , G03G9/08793 , G03G9/08797 , G03G9/091 , G03G9/0914 , G03G9/0918 , G03G9/092 , G03G9/0926 , G03G9/0928
摘要： A chemical toner composition that includes at least one curable amorphous resin and at least one sublimation colorant.
摘要翻译：一种化学调色剂组合物，其包括至少一种可固化无定形树脂和至少一种升华着色剂。

7. 发明授权

US5804349A Acrylonitrile-modified toner compositions and processes 失效
标题翻译：丙烯腈改性调色剂组合物和方法
公开(公告)号：US5804349A
公开(公告)日：1998-09-08
申请号：US907368
申请日：1997-08-07
申请人： Beng S. Ong , Grazyna E. Kmiecik-Lawrynowicz , Raj D. Patel , Walter Mychajlowskij , David J. Sanders , T. Hwee Ng
发明人： Beng S. Ong , Grazyna E. Kmiecik-Lawrynowicz , Raj D. Patel , Walter Mychajlowskij , David J. Sanders , T. Hwee Ng
IPC分类号： G03G9/08 , G03G9/087 , G03G9/097
CPC分类号： G03G9/08795 , G03G9/0806 , G03G9/08711 , G03G9/08731 , G03G9/09725
摘要： A toner comprised of pigment, and an addition polymer resin generated from about 55 to about 80 weight percent of styrene, from about 1 to about 25 weight percent of acrylate, from about 1 to about 20 weight percent of acrylonitrile, and from about 0.5 to about 5 weight percent of acrylic acid.
摘要翻译：由颜料组成的调色剂和由约55至约80重量％的苯乙烯，约1至约25重量％的丙烯酸酯，约1至约20重量％的丙烯腈和约0.5至约20重量％的丙烯腈产生的加成聚合物树脂约5重量％的丙烯酸。

8. 发明授权

US5650252A Toner grafting processes 失效
标题翻译：调色剂接枝工艺
公开(公告)号：US5650252A
公开(公告)日：1997-07-22
申请号：US669118
申请日：1996-06-24
申请人： T. Hwee Ng , Arthur Helbrecht , Raj D. Patel , Michael A. Hopper , Richard P. N. Veregin
发明人： T. Hwee Ng , Arthur Helbrecht , Raj D. Patel , Michael A. Hopper , Richard P. N. Veregin
IPC分类号： G03G9/08 , G03G9/087
CPC分类号： G03G9/0804 , G03G9/0806 , G03G9/0815
摘要： A process for the preparation of toner comprising:(i) preparing a pigment dispersion, which dispersion is comprised of a pigment, an ionic surfactant, and optionally a charge control agent;(ii) shearing said 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;(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 said bound aggregates above about the Tg of the resin; and(v) thereafter washing the toner obtained, adding initiator, adding monomer, polymerizing by heating, and thereafter cooling, followed by an optional second washing.
摘要翻译：一种制备调色剂的方法，包括：（i）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，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或乳液共混物剪切所述颜料分散体; （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）将所述结合的聚集体加热到树脂的Tg附近; 和（v）然后洗涤所获得的调色剂，加入引发剂，加入单体，通过加热进行聚合，然后冷却，然后进行任选的第二次洗涤。

9. 发明授权

US5370964A Toner aggregation process 失效
标题翻译：调色剂聚合过程
公开(公告)号：US5370964A
公开(公告)日：1994-12-06
申请号：US158343
申请日：1993-11-29
申请人： Raj D. Patel , Grazyna E. Kmiecik-Lawrynowicz , Michael A. Hopper , Melvin D. Croucher , T. Hwee Ng , William J. Dale
发明人： Raj D. Patel , Grazyna E. Kmiecik-Lawrynowicz , Michael A. Hopper , Melvin D. Croucher , T. Hwee Ng , William J. Dale
IPC分类号： G03G9/08
CPC分类号： G03G9/0815 , G03G9/0804
摘要： A process for the preparation of toner 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 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 which latex contains a nonionic surfactant thereby forming a homogeneous or a uniform blend;(iii) heating the above sheared homogeneous blend below about the glass transition temperature (Tg) of the resin to form electrostatically bound toner size aggregates;(iv) reshearing the above electrostatically bound toner aggregates (iii) to fragment or break down said toner aggregates of (iii) into smaller average diameter particle size;(v) heating the resulting formed sheared homogeneous blend (iv) comprised of resin, pigment particles, and the ionic, counterionic and nonionic surfactants in water below about the glass transition temperature (Tg) of the resin while continuously stirring at about 450 to about 800 revolutions per minute to form electrostatically bound toner size aggregates with a narrow particle size distribution;(vi) adding further ionic or nonionic surfactant in an amount of from about 0.1 to about 10 percent by weight of water to minimize further growth or enlargement of the particles in the coalescence step (vii); and(vii) heating the formed statically bound aggregated particles of (vi) about above the Tg of the resin to provide coalesced particles of toner(viii) separating said toner; and(ix) drying said toner.
摘要翻译：一种制备调色剂的方法，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，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的聚合胶乳剪切颜料分散体，并且该胶乳含有非离子表面活性剂，从而形成均匀或均匀的共混物; （iii）在树脂的玻璃化转变温度（Tg）附近加热上述剪切均匀混合物以形成静电结合的调色剂尺寸聚集体; （iv）重新研磨上述静电结合的调色剂聚集体（iii）以将（iii）的所述调色剂聚集体碎裂或分解成更小的平均直径粒径; （v）在低于约玻璃化转变温度（Tg）的树脂下，将所形成的由树脂，颜料颗粒和离子型，抗衡离子和非离子表面活性剂组成的剪切的均匀混合物（iv）加热至约450至约 800转/分钟，形成具有窄粒度分布的静电结合的调色剂尺寸聚集体; （vi）以约0.1至约10重量％的水加入另外的离子或非离子表面活性剂以最小化在聚结步骤（vii）中颗粒的进一步生长或增大; （vii）将所形成的静态结合的（vi）聚集的颗粒加热到树脂的Tg附近，以提供聚结的调色剂颗粒（viii）分离所述调色剂; 和（ix）干燥所述调色剂。

10. 发明授权

US5858601A Toner processes 有权
标题翻译：墨粉处理
公开(公告)号：US5858601A
公开(公告)日：1999-01-12
申请号：US127851
申请日：1998-08-03
申请人： Beng S. Ong , T. Hwee Ng , Walter Mychajlowskij , Raj D. Patel , Patricia A. Burns
发明人： Beng S. Ong , T. Hwee Ng , Walter Mychajlowskij , Raj D. Patel , Patricia A. Burns
IPC分类号： G03G9/08 , G03G9/093
CPC分类号： G03G9/093 , G03G9/0804
摘要： A process for the preparation of toner comprising(i) blending (a) a colorant dispersion containing a first ionic surfactant with (b) a latex emulsion comprised of an aqueous dispersion of core-shell polymer particles with a crosslinked polymer core and a linear polymer shell, and optional nonionic surfactant and a second ionic surfactant with a charge polarity opposite to that of said first ionic surfactant in said colorant dispersion;(ii) heating the resulting mixture at about below the glass transition temperature (Tg) of the linear latex shell polymer to form aggregates; and(iii) subsequently heating said aggregates about above the Tg of the linear latex shell polymer to effect coalescence and fusion of said aggregates.
摘要翻译：一种制备调色剂的方法，包括（i）将（a）含有第一离子表面活性剂的着色剂分散体与（b）由核 - 壳聚合物颗粒的水性分散体与交联的聚合物核心和线性聚合物组成的胶乳乳液壳和任选的非离子表面活性剂和在所述着色剂分散体中具有与所述第一离子表面活性剂的电荷极性相反的电荷的第二离子表面活性剂; （ii）将所得混合物加热至低于线性胶乳壳聚合物的玻璃化转变温度（Tg）以形成聚集体; 和（iii）随后将所述聚集体加热至高于线性胶乳壳聚合物的Tg，以实现所述聚集体的聚结和熔融。

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