公开(公告)号：US20180157186A1

公开(公告)日：2018-06-07

申请号：US15820580

申请日：2017-11-22

Applicant: Konica Minolta, Inc.

Inventor： Kenshi MIYAJIMA ,  Noboru Ueda ,  Kouji Sugama ,  Natsuki Ito ,  Yohei Ohino ,  Hidehito Haruki ,  Keisuke Asano

IPC: G03G9/087 ,  G03G9/09 ,  G03G9/08

CPC classification number: G03G9/08755 ,  G03G9/0804 ,  G03G9/0815 ,  G03G9/08711 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09 ,  G03G9/0902 ,  G03G9/0904 ,  G03G9/091 ,  G03G9/0918 ,  G03G13/013

Abstract: An image forming method includes using yellow toner, magenta toner, cyan toner, and black toner in which each of the yellow toner, the magenta toner, the cyan toner, and the black toner includes a crystalline polyester resin having a constitutional unit derived from a linear chain aliphatic diol, an amorphous resin, a colorant, and a releasing agent. A carbon number of a linear chain aliphatic diol component forming the crystalline polyester resin contained in the black toner is 6 or more, and a carbon number of a linear chain aliphatic diol component forming the crystalline polyester resin contained in each of the yellow toner, the magenta toner, and the cyan toner is 3 or more and 5 or less.

公开(公告)号：US20170255114A1

公开(公告)日：2017-09-07

申请号：US15439435

申请日：2017-02-22

Applicant: Konica Minolta, Inc.

Inventor： Junya ONISHI ,  Shiro HIRANO ,  Noboru UEDA ,  Kouji SUGAMA ,  Aya SHIRAI

IPC: G03G9/08 ,  G03G9/087

CPC classification number: G03G9/0804 ,  G03G9/0815 ,  G03G9/0825 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797

Abstract: A process for producing a toner of the present invention includes: a first step of heating a dispersion containing an aqueous medium and a binder resin containing a crystalline resin to a temperature higher than or equal to a melting point of the crystalline resin; and a second step of maintaining the dispersion at temperature T (° C.) for 30 minutes or longer in a state where a pH of the dispersion is maintained at 5.5 or higher and 9.0 or lower, in which the temperature T satisfies the following expression, Rc−25≦T≦Rc−5, where the Rc represents a recrystallization temperature (° C.) of the crystalline resin.

公开(公告)号：US09547246B2

公开(公告)日：2017-01-17

申请号：US12635565

申请日：2010-02-25

Applicant: John Klier ,  Richard D. Varjian ,  Alastair S. Hill ,  Timothy J. Young ,  Richard A. Lundgard ,  Michael J. Johnson ,  Qichun Wan ,  Matthew J. Kalinowski ,  Mechelle A. Churchfield ,  Gary M. Strandburg ,  David J. Magley

Inventor： John Klier ,  Richard D. Varjian ,  Alastair S. Hill ,  Timothy J. Young ,  Richard A. Lundgard ,  Michael J. Johnson ,  Qichun Wan ,  Matthew J. Kalinowski ,  Mechelle A. Churchfield ,  Gary M. Strandburg ,  David J. Magley

IPC: G03G9/12 ,  G03G9/09 ,  G03G9/08 ,  G03G9/083 ,  C08K5/00 ,  C08K11/00 ,  C08L33/06 ,  C08L67/02

CPC classification number: G03G9/0926 ,  C08K5/005 ,  C08K11/00 ,  C08L33/06 ,  C08L67/02 ,  G03G9/0806 ,  G03G9/081 ,  G03G9/0815 ,  G03G9/0831 ,  G03G9/0832 ,  G03G9/0833 ,  G03G9/09

Abstract: A compound that includes an aqueous dispersion, wherein the dispersion includes a thermoplastic resin and at least one stabilizing agent, and at least one selected from the group consisting of a colorant and a magnetic pigment, wherein the dispersion has an average volume diameter particle size from about 0.05 to about 10 microns is described.

Abstract translation: 一种包含水分散体的化合物，其中所述分散体包含热塑性树脂和至少一种稳定剂，以及选自着色剂和磁性颜料中的至少一种，其中所述分散体的平均体积直径粒径为 约0.05至约10微米。

公开(公告)号：US09535353B2

公开(公告)日：2017-01-03

申请号：US14580852

申请日：2014-12-23

Applicant: Lexmark International, Inc.

Inventor： Kasturi Rangan Srinivasan ,  Ligia Aura Bejat ,  Michael Anthony Blassingame ,  Rick Owen Jones ,  Brandon Michael Lin ,  James Craig Minor

IPC: G03G9/00 ,  G03G9/113

CPC classification number: G03G9/1139 ,  G03G9/0804 ,  G03G9/0808 ,  G03G9/0815 ,  G03G9/0817 ,  G03G9/0819 ,  G03G9/0918 ,  G03G9/1075 ,  G03G9/1131 ,  G03G9/1132 ,  G03G9/1133 ,  G03G9/1134 ,  G03G9/1135 ,  G03G9/1136

Abstract: A developer mix formulation having tribocharge uniformity across varying temperature and humidity conditions is provided. A developer mix used in a dual component development (DCD) system is a mixture of toner particles and magnetic carrier particles. Tribocharge uniformity is achieved in the developer mix by using magnetic carrier particles having surface additives on its surface. Surface additives include but are not limited to silica, titania and alumina.

Abstract translation: 提供了在不同温度和湿度条件下具有摩擦放电一致性的显影剂混合物制剂。 用于双组分显影（DCD）系统的显影剂混合物是调色剂颗粒和磁性载体颗粒的混合物。 通过使用其表面上具有表面添加剂的磁性载体颗粒，在显影剂混合物中实现摩擦带电均匀性。 表面添加剂包括但不限于二氧化硅，二氧化钛和氧化铝。

公开(公告)号：US20160274476A1

公开(公告)日：2016-09-22

申请号：US15167000

申请日：2016-05-27

Applicant: Mitsubishi Chemical Corporation

Inventor： Yuqing XU

IPC: G03G9/08 ,  B08B3/12 ,  B08B3/10 ,  B08B3/04

CPC classification number: G03G9/0815 ,  B08B3/041 ,  B08B3/10 ,  B08B3/102 ,  B08B3/123 ,  C02F1/001 ,  C02F2101/301 ,  C02F2101/308 ,  C02F2103/14 ,  C02F2209/40 ,  G03G9/0806

Abstract: Provided is a slurry cleaning apparatus which can efficiently clean a slurry containing toner matrix particles or resin fine particles in a shorter time. The slurry cleaning apparatus of the present invention comprises a cleaning chamber for contacting a slurry with cleaning water, and flow rate controllers for controlling the flow rate of the slurry. The flow rate controllers are located respectively at a slurry inlet through which the slurry is fed to the cleaning chamber and at a slurry outlet through which the slurry is discharged from the cleaning chamber. The cleaning chamber has at least one filtration side having water permeability, and is constructed so that the slurry flows at a constant flow rate in a space in contact with the filtration side, wherein the cleaning water is fed to the cleaning chamber and brought into contact with the slurry flowing in the space, and then passes through the filtration side.

Abstract translation: 本发明提供一种能够在较短时间内有效地清洗含有调色剂基体颗粒或树脂微粒的浆料的浆料清洗装置。 本发明的浆料清洗装置包括用于将浆料与清洗水接触的清洁室，以及用于控制浆料流速的流量控制器。 流量控制器分别位于浆料入口处，浆料通过该浆料入口被供给到清洁室和浆料出口，浆料从清洗室排出。 清洗室具有至少一个具有透水性的过滤侧，并且构造成使得浆料以与流过侧接触的空间中以恒定流量流动，其中清洗水被供给到清洁室并与之接触 浆料在空间中流动，然后通过过滤侧。

公开(公告)号：US09372421B2

公开(公告)日：2016-06-21

申请号：US14534058

申请日：2014-11-05

Applicant: XEROX CORPORATION

Inventor： Steven M. Malachowski ,  Eric Joseph Young ,  Linda Jan ,  Eric David Godshall ,  Brian J. Marion ,  Chieh-Min Cheng

IPC: G03G9/08

CPC classification number: G03G9/081 ,  G03G9/0804 ,  G03G9/0815

Abstract: In an exemplary embodiment of the invention, a continuous process for rounding conventional toner particles includes forming a conventional toner particle slurry by mixing a dispersant and/or a liquid with dry toner particles, heating the conventional toner particle slurry to a first temperature beyond its glass transition temperature to form a coalesced toner particle slurry, quenching the coalesced toner particle slurry to a second temperature below the glass transition temperature after a residence time has elapsed, and recovering the quenched particle slurry at an outlet wherein the circularity of the conventional toner particles in the quenched toner particle slurry is from approximately 0.940 to 0.999 and the time frame for the heating, quenching and recovering steps is less than 20 minutes. An apparatus for practicing the novel continuous coalescence of toner particles, includes an inlet passage, a first heat exchanger coupled to the inlet passage, a residence time coil coupled to the first heat exchanger, a cooling device coupled to the residence time coil; and an outlet passage coupled to the cooling device.

Abstract translation: 在本发明的示例性实施方案中，用于对常规调色剂颗粒进行四舍五入的连续方法包括通过将分散剂和/或液体与干调色剂颗粒混合来形成常规调色剂颗粒浆料，将常规调色剂颗粒浆料加热至超过其玻璃的第一温度 转变温度以形成聚结的调色剂颗粒浆料，在经过停留时间之后将聚结的调色剂颗粒骤冷至低于玻璃化转变温度的第二温度，并在出口处回收淬火的颗粒浆料，其中常规调色剂颗粒的圆度 淬火后的调色剂颗粒浆料约为0.940至0.999，加热，淬火和回收步骤的时间范围小于20分钟。 用于实施调色剂颗粒的新型连续聚结的装置包括入口通道，耦合到入口通道的第一热交换器，耦合到第一热交换器的停留时间线圈，耦合到停留时间线圈的冷却装置; 以及联接到冷却装置的出口通道。

公开(公告)号：US09316938B2

公开(公告)日：2016-04-19

申请号：US14359429

申请日：2012-10-17

Applicant: Masaki Watanabe ,  Satoshi Ogawa ,  Teruki Kusahara ,  Ryuta Yoshida

Inventor： Masaki Watanabe ,  Satoshi Ogawa ,  Teruki Kusahara ,  Ryuta Yoshida

IPC: G03G9/087 ,  G03G9/08

CPC classification number: G03G9/08755 ,  G03G9/0806 ,  G03G9/0815 ,  G03G9/0817 ,  G03G9/08795 ,  G03G9/08797

Abstract: A toner including a non-crystalline polyester resin and a crystalline polyester resin, wherein a tetrahydrofuran soluble component of the non-crystalline polyester resin has a weight-average molecular weight of 3,000 to 8,000 measured by gel permeation chromatography, and wherein the toner has a glass transition temperature A before an extraction process of the toner with methanol and a glass transition temperature B after the extraction process of the toner with methanol, and a difference between A and B (B−A) is 2.0° C. or less.

Abstract translation: 包含非结晶性聚酯树脂和结晶性聚酯树脂的调色剂，其中所述非结晶性聚酯树脂的四氢呋喃可溶成分的重均分子量通过凝胶渗透色谱法测定为3,000〜8,000，并且其中所述调色剂具有 在甲醇萃取过程之前用甲醇萃取过程中的玻璃化转变温度A和玻璃化转变温度B之间，A和B（B-A）之间的差异为2.0℃或更低。

公开(公告)号：US09170510B2

公开(公告)日：2015-10-27

申请号：US14145228

申请日：2013-12-31

Applicant: Kabushiki Kaisha Toshiba ,  Toshiba Tec Kabushiki Kaisha

Inventor： Satoshi Araki

IPC: G03G9/087 ,  G03G9/08

CPC classification number: G03G9/08755 ,  G03G9/0815 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/08797

Abstract: A toner or developer is provided having toner particles which exhibit a higher glass transition temperature on their surface than the interior thereof. In one aspect, the toner particles contain a crystalline polyester resin, an amorphous polyester resin and a coloring material, in which the core of the toner particles exhibit the glass transition temperature g of from 30° C. to 45° C. and the surface of the toner particles exhibits the glass transition temperature of from 50° C. to 70° C.

Abstract translation: 提供了调色剂或显影剂，其具有在其表面上比其内部表现出更高的玻璃化转变温度的调色剂颗粒。 在一个方面，调色剂颗粒含有结晶聚酯树脂，无定形聚酯树脂和着色材料，其中调色剂颗粒的芯呈现出30℃至45℃的玻璃化转变温度g，表面 的调色剂颗粒的玻璃化转变温度为50℃至70℃。

公开(公告)号：US09098002B2

公开(公告)日：2015-08-04

申请号：US14115866

申请日：2012-05-17

Applicant: Takashi Kenmoku ,  Hitoshi Itabashi ,  Akane Masumoto

Inventor： Takashi Kenmoku ,  Hitoshi Itabashi ,  Akane Masumoto

IPC: G03G9/08 ,  G03G9/097 ,  G03G9/087 ,  G03G9/093

CPC classification number: G03G9/09733 ,  G03G9/0806 ,  G03G9/0815 ,  G03G9/08706 ,  G03G9/08708 ,  G03G9/08711 ,  G03G9/08722 ,  G03G9/08726 ,  G03G9/08733 ,  G03G9/08791 ,  G03G9/09321

Abstract: A toner including toner particles, each of which comprising a charging component, a polymer having a partial structure represented by the following formula (1) as the side chain, and a colorant: (R1 represents a hydroxyl group, a carboxyl group, an alkyl group having 1 to 18 carbon atoms, or an alkoxyl group having 1 to 18 carbon atoms; R2 represents a hydrogen atom, a hydroxyl group, an alkyl group having 1 to 18 carbon atoms, or an alkoxyl group having 1 to 18 carbon atoms; m represents an integer of 0 to 3; if m is 2 or 3, R1 can be each independently selected; n represents an integer of 1 to 3; and * represents a coupling site in the polymer.)

Abstract translation: 包含调色剂颗粒的调色剂，每个调色剂颗粒包含充电组分，具有由下式（1）表示的侧链作为侧链的聚合物和着色剂：（R1表示羟基，羧基，烷基 具有1至18个碳原子的烷基或具有1至18个碳原子的烷氧基; R 2表示氢原子，羟基，具有1至18个碳原子的烷基或具有1至18个碳原子的烷氧基; m表示0〜3的整数，m为2或3时，可各自独立地选择R 1，n表示1〜3的整数，*表示聚合物中的偶联部位。

公开(公告)号：US09017914B2

公开(公告)日：2015-04-28

申请号：US13437364

申请日：2012-04-02

Applicant: Takanori Tanaka

Inventor： Takanori Tanaka

IPC: G03G9/08

CPC classification number: G03G9/0819 ,  G03G9/081 ,  G03G9/0815 ,  G03G9/0827

Abstract: A toner for developing an electrostatic latent image includes toner particles. An average aspect ratio of the toner particles, having predetermined diameters of at least 3 μm and less than 10 μm, is in the range from about 0.820 to about 0.900, and the difference between the maximum value and minimum value among the average aspect ratios D3, D4, D5, D6, D7, D8, and D9 is up to 0.07. Dn represents an average aspect ratio of those toner particles having a diameter of at least n μm and less than n+1 μm.

Abstract translation: 用于显影静电潜像的调色剂包括调色剂颗粒。 具有至少3μm且小于10μm的预定直径的调色剂颗粒的平均纵横比在约0.820至约0.900的范围内，并且平均纵横比D3中的最大值和最小值之间的差 ，D4，D5，D6，D7，D8和D9最高为0.07。 Dn表示直径至少为nμm且小于n +1μm的那些调色剂颗粒的平均纵横比。