公开(公告)号：US10712681B2

公开(公告)日：2020-07-14

申请号：US16259006

申请日：2019-01-28

申请人： Minoru Masuda ,  Atsushi Yamamoto ,  Taichi Nemoto ,  Junichi Watanabe ,  Taro Araki ,  Takeshi Shibuya

发明人： Minoru Masuda ,  Atsushi Yamamoto ,  Taichi Nemoto ,  Junichi Watanabe ,  Taro Araki ,  Takeshi Shibuya

IPC分类号： G03G9/087 ,  G03G9/08 ,  G03G15/08 ,  G03G15/20

摘要： A toner is provided that contains a crystalline polyester resin comprising a polycondensed resin of a dicarboxylic acid represented by the following formula (1) with a diol represented by the following formula (2). A content of a cyclic ester represented by the following formula (3) in the toner, measured by a thermal extraction gas chromatographic mass spectrometry at a thermal extraction temperature of 160° C., is from 1 to 200 ppm in terms of toluene: where n represents an integer of from 2 to 12; where m represents an integer of from 2 to 12; and where n represents an integer of from 2 to 12, m represents an integer of from 2 to 12, and m+n≥6 is satisfied.

公开(公告)号：US09176406B2

公开(公告)日：2015-11-03

申请号：US13958745

申请日：2013-08-05

申请人： Satoyuki Sekiguchi ,  Hiroshi Yamashita ,  Minoru Masuda ,  Susumu Chiba ,  Tatsuya Morita ,  Atsushi Yamamoto ,  Shinya Nakayama ,  Masahide Yamada ,  Kohsuke Nagata ,  Keiji Makabe ,  Toyoshi Sawada

发明人： Satoyuki Sekiguchi ,  Hiroshi Yamashita ,  Minoru Masuda ,  Susumu Chiba ,  Tatsuya Morita ,  Atsushi Yamamoto ,  Shinya Nakayama ,  Masahide Yamada ,  Kohsuke Nagata ,  Keiji Makabe ,  Toyoshi Sawada

IPC分类号： G03G9/00 ,  G03G9/087 ,  G03G9/13 ,  G03G9/08

CPC分类号： G03G9/08764 ,  G03G9/0804 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797

摘要： Toner contains a binder resin containing a crystalline resin having a urethane and/or urea bonding; and a colorant, wherein in a diffraction spectrum of the toner as measured by an X-ray diffraction instrument, a ratio {C/(C+A)} of an integral intensity C of the spectrum derived from the crystalline structure to an integral intensity A of the spectrum derived from the non-crystalline structure is 0.12 or greater, wherein the toner satisfies the following relation 1: T1−T2≦30° C. (Relation 1), where T1 represents the maximum endothermic peak in the first temperature rising from 0° C. to 100° C. at the temperature rising rate of 10° C./min and T2 represents the maximum exothermic peak in the first temperature falling from 100° C. to 0° C. at the temperature falling rate of 10° C./min as T1 and T2 are measured by diffraction scanning calorimetry (DSC).

摘要翻译： 调色剂含有含有具有氨基甲酸酯和/或脲键合的结晶性树脂的粘合剂树脂; 和着色剂，其中在通过X射线衍射仪测量的调色剂的衍射光谱中，从晶体结构衍生的光谱的积分强度C与积分强度之比{C /（C + A）} 衍生自非晶体结构的光谱的A为0.12或更大，其中调色剂满足以下关系1：T1-T2＆nlE; 30℃（关系1），其中T1表示第一升温中的最大吸热峰 0℃至100℃，升温速率为10℃/分钟，T2表示在100℃至0℃的第一温度下的最大放热峰，温度下降速率为 10℃/ min，通过衍射扫描量热法（DSC）测量T1和T2。

公开(公告)号：US20150248073A1

公开(公告)日：2015-09-03

申请号：US14433770

申请日：2013-10-11

申请人： Shinya Nakayama ,  Atsushi Yamamoto ,  Minoru Masuda ,  Susumu Chiba ,  Toyoshi Sawada ,  Hiroshi Yamashita

发明人： Shinya Nakayama ,  Atsushi Yamamoto ,  Minoru Masuda ,  Susumu Chiba ,  Toyoshi Sawada ,  Hiroshi Yamashita

IPC分类号： G03G9/00

CPC分类号： G03G9/08764 ,  G03G9/0821 ,  G03G9/08755 ,  G03G9/08788 ,  G03G9/08795 ,  G03G9/08797

摘要： Provided is a toner containing a binder resin. The binder resin contains a crystalline resin. The toner has a maximum endothermic peak temperature (P1) of from 50° C. to 80° C. and a total endothermic amount (Q) of from 35 J/g to 90 J/g at a first temperature elevation of differential scanning calorimetry. A ratio (Qp/Q) of a total endothermic amount (Qp) of the toner in a temperature range of from 20° C. to the maximum endothermic peak temperature (P1) to the total endothermic amount (Q) of the toner is from 0.65 to 0.83.

摘要翻译： 提供含有粘合剂树脂的调色剂。 粘合剂树脂含有结晶性树脂。 在差示扫描量热法的第一温度升高下，调色剂具有50℃至80℃的最大吸热峰温度（P1）和35J / g至90J / g的总吸热量（Q） 。 调色剂在20℃至最大吸热峰温度（P1）的温度范围内的总吸热量（Qp）与总吸热量（Q）之间的比例（Qp / Q）来自 0.65〜0.83。

公开(公告)号：US09042802B2

公开(公告)日：2015-05-26

申请号：US14190459

申请日：2014-02-26

申请人： Takamasa Hase ,  Shinya Nakayama ,  Atsushi Yamamoto ,  Hideyuki Santo ,  Minoru Masuda ,  Yukiko Iwasaki ,  Tsuneyasu Nagatomo

发明人： Takamasa Hase ,  Shinya Nakayama ,  Atsushi Yamamoto ,  Hideyuki Santo ,  Minoru Masuda ,  Yukiko Iwasaki ,  Tsuneyasu Nagatomo

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G15/2028 ,  G03G2215/2032 ,  G03G2215/2035

摘要： An image forming apparatus includes: an image bearing member; a charger; an irradiator; a development device having an accommodation unit to accommodate toner to obtain a visible image; a transfer device; and a fixing device to fix the visible image transferred onto a recording medium. The fixing device having a fixing rotation member; and a pressure rotation member to form a nipping portion by contacting the fixing rotation member, wherein the surface pressure of the nipping portion is 1.5 kgf/cm2 or less, wherein the fixing rotation member has a Martens hardness of 1.0 N/mm2 or less at 23° C., wherein the ratio of the projected area of a single particle of the toner onto the recording medium at 120° C. to the projected area of a single particle of the toner onto the recording medium at 23° C. is 1.60 or less.

摘要翻译： 图像形成装置包括：图像承载部件; 充电器 辐照器 具有容纳单元以容纳调色剂以获得可见图像的显影装置; 转移装置; 以及固定装置，用于固定转印到记录介质上的可见图像。 固定装置具有固定旋转构件; 以及压力旋转构件，其通过使所述固定旋转构件接触而形成夹持部，其中所述夹持部的表面压力为1.5kgf / cm 2以下，其中，所述固定旋转构件的马氏体硬度为1.0N / mm 2以下， 23℃，其中调色剂的单个颗粒在120℃下的投影面积与在23℃下记录介质上调色剂的单个颗粒的投影面积的比率为1.60 或更少。

公开(公告)号：US20140270874A1

公开(公告)日：2014-09-18

申请号：US14190459

申请日：2014-02-26

申请人： Takamasa Hase ,  Shinya Nakayama ,  Atsushi Yamamoto ,  Hideyuki Santo ,  Minoru Masuda ,  Yukiko Iwasaki ,  Tsuneyasu Nagatomo

发明人： Takamasa Hase ,  Shinya Nakayama ,  Atsushi Yamamoto ,  Hideyuki Santo ,  Minoru Masuda ,  Yukiko Iwasaki ,  Tsuneyasu Nagatomo

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G15/2028 ,  G03G2215/2032 ,  G03G2215/2035

摘要： An image forming apparatus includes: an image bearing member; a charger; an irradiator; a development device having an accommodation unit to accommodate toner to obtain a visible image; a transfer device; and a fixing device to fix the visible image transferred onto a recording medium. The fixing device having a fixing rotation member; and a pressure rotation member to form a nipping portion by contacting the fixing rotation member, wherein the surface pressure of the nipping portion is 1.5 kgf/cm2 or less, wherein the fixing rotation member has a Martens hardness of 1.0 N/mm2 or less at 23° C., wherein the ratio of the projected area of a single particle of the toner onto the recording medium at 120° C. to the projected area of a single particle of the toner onto the recording medium at 23° C. is 1.60 or less.

摘要翻译： 图像形成装置包括：图像承载部件; 充电器 辐照器 具有容纳单元以容纳调色剂以获得可见图像的显影装置; 转移装置; 以及固定装置，用于固定转印到记录介质上的可见图像。 固定装置具有固定旋转构件; 以及压力旋转构件，其通过使所述固定旋转构件接触而形成夹持部，其中所述夹持部的表面压力为1.5kgf / cm 2以下，其中，所述固定旋转构件的马氏体硬度为1.0N / mm 2以下， 23℃，其中调色剂的单个颗粒在120℃下的投影面积与在23℃下记录介质上调色剂的单个颗粒的投影面积的比率为1.60 或更少。

公开(公告)号：US09785075B2

公开(公告)日：2017-10-10

申请号：US14433770

申请日：2013-10-11

申请人： Shinya Nakayama ,  Atsushi Yamamoto ,  Minoru Masuda ,  Susumu Chiba ,  Toyoshi Sawada ,  Hiroshi Yamashita

发明人： Shinya Nakayama ,  Atsushi Yamamoto ,  Minoru Masuda ,  Susumu Chiba ,  Toyoshi Sawada ,  Hiroshi Yamashita

IPC分类号： G03G9/087 ,  G03G9/08

CPC分类号： G03G9/08764 ,  G03G9/0821 ,  G03G9/08755 ,  G03G9/08788 ,  G03G9/08795 ,  G03G9/08797

摘要： Provided is a toner containing a binder resin. The binder resin contains a crystalline resin. The toner has a maximum endothermic peak temperature (P1) of from 50° C. to 80° C. and a total endothermic amount (Q) of from 35 J/g to 90 J/g at a first temperature elevation of differential scanning calorimetry. A ratio (Qp/Q) of a total endothermic amount (Qp) of the toner in a temperature range of from 20° C. to the maximum endothermic peak temperature (P1) to the total endothermic amount (Q) of the toner is from 0.65 to 0.83.

公开(公告)号：US20140051019A1

公开(公告)日：2014-02-20

申请号：US13958745

申请日：2013-08-05

申请人： Satoyuki Sekiguchi ,  Hiroshi Yamashita ,  Minoru Masuda ,  Susumu Chiba ,  Tatsuya Morita ,  Atsushi Yamamoto ,  Shinya Nakayama ,  Masahide Yamada ,  Kohsuke Nagata ,  Keiji Makabe ,  Toyoshi Sawada

发明人： Satoyuki Sekiguchi ,  Hiroshi Yamashita ,  Minoru Masuda ,  Susumu Chiba ,  Tatsuya Morita ,  Atsushi Yamamoto ,  Shinya Nakayama ,  Masahide Yamada ,  Kohsuke Nagata ,  Keiji Makabe ,  Toyoshi Sawada

IPC分类号： G03G9/00 ,  G03G15/08

CPC分类号： G03G9/08764 ,  G03G9/0804 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797

摘要： Toner contains a binder resin containing a crystalline resin having a urethane and/or urea bonding; and a colorant, wherein in a diffraction spectrum of the toner as measured by an X-ray diffraction instrument, a ratio {C/(C+A)} of an integral intensity C of the spectrum derived from the crystalline structure to an integral intensity A of the spectrum derived from the non-crystalline structure is 0.12 or greater, wherein the toner satisfies the following relation 1: T1−T2≦30° C. (Relation 1), where T1 represents the maximum endothermic peak in the first temperature rising from 0° C. to 100° C. at the temperature rising rate of 10° C./min and T2 represents the maximum exothermic peak in the first temperature falling from 100° C. to 0° C. at the temperature falling rate of 10° C./min as T1 and T2 are measured by diffraction scanning calorimetry (DSC).

摘要翻译： 调色剂含有含有具有氨基甲酸酯和/或脲键合的结晶性树脂的粘合剂树脂; 和着色剂，其中在通过X射线衍射仪测量的调色剂的衍射光谱中，从晶体结构衍生的光谱的积分强度C与积分强度之比{C /（C + A）} 衍生自非晶体结构的光谱的A为0.12或更大，其中调色剂满足以下关系1：T1-T2 @ 30℃（关系1），其中T1表示第一升温中的最大吸热峰 0℃至100℃，升温速率为10℃/分钟，T2表示在100℃至0℃的第一温度下的最大放热峰，温度下降速率为 10℃/ min，通过衍射扫描量热法（DSC）测量T1和T2。

公开(公告)号：US20150248070A1

公开(公告)日：2015-09-03

申请号：US14629954

申请日：2015-02-24

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

发明人： 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分类号： G03G9/00

CPC分类号： G03G9/08755 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/0906

摘要： 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.

摘要翻译： 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：US08785099B2

公开(公告)日：2014-07-22

申请号：US13177203

申请日：2011-07-06

申请人： Hyo Shu ,  Mitsuo Aoki ,  Minoru Masuda ,  Kumi Hasegawa

发明人： Hyo Shu ,  Mitsuo Aoki ,  Minoru Masuda ,  Kumi Hasegawa

IPC分类号： G03G9/087

CPC分类号： G03G9/08755 ,  G03G9/09708 ,  G03G9/09716 ,  G03G9/09725

摘要： A toner including toner particles including a binder resin containing at least one polyester resin comprising an inorganic tin (II) compound and an external additive including a particulate inorganic material having a volume average particle diameter greater than 70 nm and less than 300 nm. The binder resin preferably includes a polyester resin having a weight average molecular weight of from 5,000 to 50,000 and another resin having a weight average molecular weight of from 200,000 to 400,000. A developer including the toner; and a developing device, an image forming apparatus and a process cartridge, which form toner images using the toner are also provided.

摘要翻译： 包含调色剂颗粒的调色剂颗粒包括含有至少一种包含无机锡（II）的聚酯树脂的粘合剂树脂和包含体积平均粒径大于70nm且小于300nm的颗粒状无机材料的外部添加剂。 粘合剂树脂优选包括重均分子量为5,000至50,000的聚酯树脂和另一种重均分子量为20万至40万的树脂。 包括调色剂的显影剂; 并且还提供了使用调色剂形成调色剂图像的显影装置，图像形成装置和处理盒。

公开(公告)号：US08518626B2

公开(公告)日：2013-08-27

申请号：US13037569

申请日：2011-03-01

申请人： Saori Yamada ,  Minoru Masuda ,  Hisashi Nakajima ,  Kimitoshi Yamaguchi ,  Koichi Sakata ,  Hitoshi Iwatsuki ,  Yutaka Takahashi ,  Toyoaki Tano ,  Mariko Takii

发明人： Saori Yamada ,  Minoru Masuda ,  Hisashi Nakajima ,  Kimitoshi Yamaguchi ,  Koichi Sakata ,  Hitoshi Iwatsuki ,  Yutaka Takahashi ,  Toyoaki Tano ,  Mariko Takii

IPC分类号： G03G9/00

CPC分类号： G03G9/113 ,  G03G9/1075 ,  G03G9/1131 ,  G03G9/1133 ,  G03G9/1137

摘要： The carrier is used for a two-component developer for developing an electrostatic latent image, and includes a particulate magnetic core material; and a cover layer located on a surface of the particulate magnetic core material and including a crosslinked material. The crosslinked material is formed by hydrolyzing a copolymer including at least a unit (A) having a specific acrylic siloxane structure including a tris(trialkylsiloxy)silanyl group and a unit (B) having a specific acrylic silicone structure to form a material having a silanol group, and subjecting the material having a silanol group to a condensation reaction using an organic zirconium-containing catalyst.

摘要翻译： 载体用于显影静电潜像的双组分显影剂，并且包括颗粒状磁芯材料; 以及位于所述颗粒状磁芯材料的表面上并且包含交联材料的覆盖层。 交联材料通过水解包含至少具有包含三（三烷基甲硅烷氧基）硅烷基的特定丙烯酸硅氧烷结构的单元（A）和具有特定丙烯酸硅氧烷结构的单元（B））的共聚物形成，以形成具有硅烷醇的材料 并使用含有有机锆的催化剂对具有硅烷醇基的材料进行缩合反应。