公开(公告)号：US20150268572A1

公开(公告)日：2015-09-24

申请号：US14589431

申请日：2015-01-05

Applicant: Fuji Xerox Co., Ltd.

Inventor： Shotaro TAKAHASHI ,  Atsushi SUGITATE ,  Masaru TAKAHASHI ,  Shuji SATO ,  Satomi HARA ,  Sakiko HIRAI

IPC: G03G9/00

CPC classification number: G03G9/0827 ,  G03G9/0819 ,  G03G9/0902

Abstract: An electrostatic charge image developing toner includes flake shape toner particles containing a binder resin and a flake shape brilliant pigment, and the toner particles satisfying the following expression: 1≦L≦3 wherein L represents an average distance (μm) between a tangent line A of the toner particle that is orthogonal to a long axis direction of the toner particle and a tangent line B of the brilliant pigment that is parallel to the tangent line A and closest to the tangent line A.

Abstract translation: 静电荷图像显影调色剂包括含有粘合剂树脂和片状明亮颜料的片状调色剂颗粒，并且满足以下表达式的调色剂颗粒：1＆nlE; L＆nlE; 3其中L表示切线A之间的平均距离（μm） 的调色剂颗粒与调色剂颗粒的长轴方向正交，并且明亮颜料的切线B平行于切线A并且最靠近切线A.

公开(公告)号：US20150268570A1

公开(公告)日：2015-09-24

申请号：US14463033

申请日：2014-08-19

Applicant: FUJI XEROX CO., LTD.

Inventor： Motoko SAKAI ,  Akihiro IIZUKA ,  Mona TASAKI

IPC: G03G9/00

CPC classification number: G03G9/08 ,  G03G9/0819 ,  G03G9/0821 ,  G03G9/0827 ,  G03G9/0902 ,  G03G9/09708

Abstract: A brilliant toner includes flake shape toner particles containing a binder resin and a flake shape metallic pigment. The brilliant toner further includes tabular particles containing a Ti element.

Abstract translation: 明亮的调色剂包括含有粘合剂树脂和片状金属颜料的片状调色剂颗粒。 辉光调色剂还包括含有Ti元素的片状颗粒。

公开(公告)号：US20150261144A1

公开(公告)日：2015-09-17

申请号：US14656879

申请日：2015-03-13

Applicant: Shingo SAKASHITA ,  Satoshi KOJIMA ,  Daisuke MISAWA ,  Hiroshi ENDOH ,  Tomoki MURAYAMA ,  Rintaro TAKAHASHI ,  Chihiro KIKUCHI

Inventor： Shingo SAKASHITA ,  Satoshi KOJIMA ,  Daisuke MISAWA ,  Hiroshi ENDOH ,  Tomoki MURAYAMA ,  Rintaro TAKAHASHI ,  Chihiro KIKUCHI

IPC: G03G15/20 ,  G03G9/00

CPC classification number: G03G15/206 ,  G03G15/2057 ,  G03G2215/2048

Abstract: An image forming apparatus, including: photoconductor; charging unit; exposing unit; developing unit containing toner; transfer unit; and fixing unit, wherein the toner includes external additive and base particles containing binder resin, colorant, and release agent, the toner has melt viscosity at 100° C. of 500 Pa·s to 8,000 Pa·s and the release agent has melt viscosity at 100° C. of 20 mPa·s to 30 mPa·s, the fixing unit includes fixing member that has roller or belt shape and contacts toner image transferred onto recording medium, and the fixing member includes release layer on surface thereof that is to be brought into contact with the toner image transferred onto the recording medium, and wherein the release layer satisfies the following expressions: 45≦θc1≦10, and 10≦θc1−θc2, where θc1 denotes receding contact angle [°] of the release agent to the release layer and θc2 denotes receding contact angle [°] of the release agent to the toner.

Abstract translation: 一种图像形成装置，包括：感光体; 充电单元 曝光单元 含有调色剂的显影单元; 转运单位 和定影单元，其中调色剂包括外部添加剂和含有粘合剂树脂，着色剂和脱模剂的基础颗粒，调色剂在100℃下的熔体粘度为500Pa·s至8,000Pa·s，脱模剂具有熔融粘度 在100℃为20mPa·s至30mPa·s的情况下，固定单元包括具有辊或带形状并且接触转印到记录介质上的调色剂图像的固定构件，并且固定构件包括其表面上的剥离层 与转印到记录介质上的调色剂图像接触，其中剥离层满足以下表达式：45＆nlE;＆amp; thetas; c1＆nlE; 10和10＆nlE;＆amp; t; c1-＆thetas; c2，其中＆thetas; c1表示后退接触 脱模剂与脱模层的角度[°]和角度; c2表示脱模剂与调色剂的后退接触角[°]。

公开(公告)号：US09128394B2

公开(公告)日：2015-09-08

申请号：US13664704

申请日：2012-10-31

Applicant: TOSHIBA TEC KABUSHIKI KAISHA

Inventor： Takafumi Hara ,  Masahiro Ikuta ,  Tsuyoshi Itou ,  Motonari Udo ,  Kazuhisa Takeda

IPC: G03G9/00 ,  G03G9/08 ,  G03G9/09 ,  G03G9/087

CPC classification number: G03G9/0804 ,  G03G9/0819 ,  G03G9/08782 ,  G03G9/09 ,  G03G9/0926 ,  G03G9/0928

Abstract: An electrophotographic toner produced by mixing a dispersion of colorant particles containing a colorant and a dispersion of release agent particles containing a release agent and having a volume average particle diameter smaller than that of the colorant particles, aggregating the colorant particles and the release agent particles in the dispersion to produce first aggregates, mixing a dispersion of resin particles containing a binder resin and having a volume average particle diameter smaller than that of the release agent particles in the dispersion containing the first aggregates, and aggregating the first aggregates and the resin particles in the dispersion of the first aggregates and the resin particles to coat the first aggregates with the resin particles, producing second aggregates.

Abstract translation: 通过将包含着色剂的着色剂颗粒的分散体和含有脱模剂的分散剂颗粒与体积平均粒径小于着色剂颗粒的体积平均粒径的分散体混合制成的电子照相调色剂，将着色剂颗粒和脱模剂颗粒聚集在 制备第一聚集体的分散体，将含有粘合剂树脂的树脂颗粒的分散体与包含第一聚集体的分散体中的体积平均粒径比脱模剂颗粒小的体积平均粒径混合，并将第一聚集体和树脂颗粒聚集 第一聚集体和树脂颗粒的分散体用树脂颗粒涂覆第一聚集体，产生第二聚集体。

公开(公告)号：US20150248074A1

公开(公告)日：2015-09-03

申请号：US14625143

申请日：2015-02-18

Applicant: Kazumi Suzuki ,  Hisashi Nakajima ,  Masashi Nagayama ,  Saori Yamada ,  Yoshitaka Yamauchi ,  Yu Naito

Inventor： Kazumi Suzuki ,  Hisashi Nakajima ,  Masashi Nagayama ,  Saori Yamada ,  Yoshitaka Yamauchi ,  Yu Naito

IPC: G03G9/00

CPC classification number: G03G9/0821 ,  G03G9/0904 ,  G03G9/0914 ,  G03G9/0918 ,  G03G9/092 ,  G03G9/0924 ,  G03G9/0926

Abstract: A red toner for developing an electrostatic latent image includes a colorant and a binder resin. An image produced by the red toner has a hue angle (H) of from 36 to 50° in L*a*b* color system, a lightness (L*) of from 47 to 55, and a chroma (c*) of from 94 to 108.

Abstract translation: 用于显影静电潜像的红色调色剂包括着色剂和粘合剂树脂。 由红色调色剂产生的图像在L * a * b *色系中具有36至50°的色调角（H），从47至55的亮度（L *）和色度（C *）为 从94到108。

公开(公告)号：US20150248070A1

公开(公告)日：2015-09-03

申请号：US14629954

申请日：2015-02-24

Applicant: Ryuta CHIBA ,  Shinya Nakayama ,  Hiroshi Yamada ,  Minoru Masuda ,  Akinori Saitoh ,  Hideyuki Santo ,  Shinsuke Nagai ,  Akihiro Takeyama ,  Hiroyuki Takeda ,  Tsuyoshi Sugimoto ,  Suzuka Amemori ,  Kohsuke Nagata

Inventor： Ryuta CHIBA ,  Shinya Nakayama ,  Hiroshi Yamada ,  Minoru Masuda ,  Akinori Saitoh ,  Hideyuki Santo ,  Shinsuke Nagai ,  Akihiro Takeyama ,  Hiroyuki Takeda ,  Tsuyoshi Sugimoto ,  Suzuka Amemori ,  Kohsuke Nagata

IPC: G03G9/00

CPC classification number: G03G9/08755 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0906

Abstract: A toner, including: base particles containing a polyester resin, a colorant, and a release agent, wherein the toner has a glass transition temperature (Tg1st) of 20° C. to 50° C. where the glass transition temperature (Tg1st) is measured in first heating of differential scanning calorimetry (DSC) of the toner, wherein tetrahydrofuran (THF) insoluble matter of the toner has a glass transition temperature [Tg2nd (THF insoluble matter)] of 30° C. or lower where the glass transition temperature [Tg2nd (THF insoluble to matter)] is measured in second heating of differential scanning calorimetry (DSC) of the THF insoluble matter, and wherein 50% or less of the colorant is present within a region of 1,000 nm from a surface of each of the base particles toward a center thereof.

Abstract translation: 一种调色剂，包括：含有聚酯树脂，着色剂和脱模剂的基础颗粒，其中调色剂的玻璃化转变温度（Tg1st）为20℃至50℃，玻璃化转变温度（Tg1st）为 在调色剂的差示扫描量热法（DSC）的第一次加热中测量，其中调色剂的四氢呋喃（THF）不溶物质的玻璃化转变温度[Tg2nd（THF不溶物））为30℃或更低，其中玻璃化转变温度 在THF不溶性物质的差示扫描量热法（DSC）的第二次加热中测量[Tg2nd（THF不溶于物质）]，其中50％以下的着色剂存在于距离每个 基础颗粒朝向其中心。

公开(公告)号：US20150227066A1

公开(公告)日：2015-08-13

申请号：US14422270

申请日：2013-08-30

Applicant: Hideki Sugiura ,  Shinya Nakayama ,  Toyoshi Sawada

Inventor： Hideki Sugiura ,  Shinya Nakayama ,  Toyoshi Sawada

IPC: G03G9/00

CPC classification number: G03G9/0821 ,  G03G9/0804 ,  G03G9/0819 ,  G03G9/0825 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08797 ,  G03G9/093 ,  G03G9/09371 ,  G03G9/107 ,  G03G2215/0607

Abstract: A toner of the present invention includes at least a colorant and a resin, has crystallinity CX or 20 or greater, and has a dynamic viscoelasticity characteristic in which a logarithmic value Log G′(50) of storage elastic modulus (Pa) at 50° C. is from 6.5 to 8.0 and a logarithmic value Log G′(65) of storage elastic modulus (Pa) at 65° C. is from 4.5 to 6.0, when the dynamic viscoelasticity characteristic is measured by temperature sweep from 40° C., at a frequency of 1 Hz, at a strain amount control of 0.1%, and at a temperature elevating rate of 2° C./min.

Abstract translation: 本发明的调色剂至少包含着色剂和树脂，其结晶度为CX或20以上，具有动态粘弹性特性，其中50℃下的储能弹性模量（Pa）的对数值Log G'（50） C为6.5〜8.0，65℃时的储能弹性模量（Pa）的对数值Log G'（65）为4.5〜6.0，当通过40℃的温度扫描测定动态粘弹性特性时 ，频率为1Hz，应变量控制为0.1％，升温速度为2℃/ min。

公开(公告)号：US09102777B2

公开(公告)日：2015-08-11

申请号：US14001824

申请日：2011-11-28

Applicant: Hiroyuki Shimanaka ,  Yoshikazu Murakami ,  Shinichio Aoyagi ,  Atsushi Goto ,  Hironori Kaji

Inventor： Hiroyuki Shimanaka ,  Yoshikazu Murakami ,  Shinichio Aoyagi ,  Atsushi Goto ,  Hironori Kaji

IPC: G03G9/00 ,  C08F299/04 ,  C09D11/107 ,  C09D11/322 ,  C08F293/00

CPC classification number: C08F299/0414 ,  C08F293/005 ,  C09D11/107 ,  C09D11/322 ,  Y10T428/2982

Abstract: Disclosed is an emulsion binder containing an A-B block copolymer. The A-B block copolymer has a number average molecular weight of 5,000 to 100,000, and a polydispersity index (weight average molecular weight/number average molecular weight) of not greater than 1.7. The polymer block A has an acid value of 0 to 30 mgKOH/g and a glass transition point of not higher than 60° C. The polymer block B has an acid value of 75 to 250 mgKOH/g. The A-B block copolymer has been neutralized with an alkaline material, and has been allowed to self-emulsify in an aqueous medium to form emulsion particles having an average particle size of 30 to 300 nm.

Abstract translation: 公开了含有A-B嵌段共聚物的乳液粘合剂。 A-B嵌段共聚物的数均分子量为5,000〜100,000，多分散指数（重均分子量/数均分子量）为1.7以下。 聚合物嵌段A的酸值为0〜30mgKOH / g，玻璃化转变温度不高于60℃。聚合物嵌段B的酸值为75〜250mgKOH / g。 A-B嵌段共聚物已经用碱性材料中和，并且在水性介质中自我乳化，形成平均粒度为30〜300nm的乳液颗粒。

公开(公告)号：US20150212444A1

公开(公告)日：2015-07-30

申请号：US14425199

申请日：2013-09-12

Applicant: RICOH COMPANY, LTD.

Inventor： Yoshitaka Yamauchi ,  Kazumi Suzuki

IPC: G03G9/00

CPC classification number: G03G9/08764 ,  G03G9/081 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/08733 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797

Abstract: Provided is a toner including a crystalline resin and a non-crystalline resin. In a reflected electron image of a cross-section of the toner stained by ruthenium tetroxide captured by a scanning electron microscope, the ratio of regions stained by ruthenium tetroxide is from 50 area % to 80 area %. In a reflected electron image of the surface of the toner stained by ruthenium tetroxide captured by a scanning electron microscope, the ratio of regions stained by ruthenium tetroxide is from 10 area % to 40 area %.

Abstract translation: 提供了包含结晶树脂和非结晶树脂的调色剂。 在通过扫描电子显微镜捕获的四氧化钌染色的调色剂横截面的反射电子图像中，由四氧化钌染色的区域的比例为50面积％至80面积％。 在通过扫描电子显微镜捕获的四氧化钌染色的调色剂表面的反射电子图像中，由四氧化钌染色的区域的比例为10面积％至40面积％。

公开(公告)号：US20150212443A1

公开(公告)日：2015-07-30

申请号：US14605155

申请日：2015-01-26

Applicant: Konica Minolta, Inc.

Inventor： Koji Shibata ,  Satoshi Uchino ,  Kosuke Nakamura

IPC: G03G9/00

CPC classification number: G03G9/08755 ,  G03G9/0819 ,  G03G9/08728 ,  G03G9/09791

Abstract: To provide a toner for electrostatic charge image development, a two-component developer, and a method for forming an image in which a high quality image can be stably obtained by suppression of a decrease in image density as caused by excessive electrification in a low temperature and low humidity environment, prevention of fogging as caused by lowered electrification property in a high temperature and high humidity environment, and suppression of a difference in image density.A toner for electrostatic charge image development which contains toner particles containing at least a binder resin and external additives containing metal salts of fatty acid, in which a ratio of the metal salts of fatty acid that are liberated by a centrifugal treatment in an aqueous dispersion is 30 to 80% and the number average particle diameter of the particles that are present in a supernatant after the centrifugal treatment is 0.7 μm to 3.0 μm, the ratio and the number average particle diameter of the particles being measured by the centrifugation of the aqueous dispersion of the toner, and the binder resin present on a surface of the toner particles contains a vinyl polymer part and a polyester part.

Abstract translation: 为了提供用于静电荷图像显影的调色剂，双组分显影剂和用于形成图像的方法，其中通过抑制由低温过度带电引起的图像浓度降低可以稳定地获得高质量图像 和低湿度环境，防止由于在高温高湿环境下的起电性降低引起的起雾，并抑制图像浓度的差异。 一种用于静电荷图像显影的调色剂，其含有至少含有粘合剂树脂的调色剂颗粒和含有脂肪酸金属盐的外部添加剂，其中通过离心处理在水分散体中释放的脂肪酸的金属盐的比例为 30〜80％，离心处理后的上清液中存在的粒子的数均粒径为0.7μm〜3.0μm，粒子的比例和数均粒径通过水分散体 的调色剂，并且存在于调色剂颗粒表面上的粘合剂树脂含有乙烯基聚合物部分和聚酯部分。