公开(公告)号：US20100062362A1

公开(公告)日：2010-03-11

申请号：US12578317

申请日：2009-10-13

Applicant: Kouji Sugama ,  Masafumi Uchida ,  Kenji Yamane ,  Kenji Hayashi ,  Ryuji Kitani

Inventor： Kouji Sugama ,  Masafumi Uchida ,  Kenji Yamane ,  Kenji Hayashi ,  Ryuji Kitani

IPC: G03G9/08 ,  G03G9/093

CPC classification number: G03G9/09 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/0827

Abstract: An embodiment may be an electrophotographic toner which comprises at least one toner particle which comprises an inner layer and an outer layer covering the inner layer, wherein a cross-sectional area ratio of the outer layer to the inner layer is 0.05-0.46, and wherein a non-uniform thickness exists in the outer layer, and further the average thickness (t) taken at 5 positions as calculated by, is about 0.2-about 1.0 μm, t=(t1+t2+t3+t4+t5)/5 (unit of t1-t5 is μm)wherein t1 represents a thickness of the thickest part of the outer layer, and t2-t5 each represent a thickness of a second to a fifth thickest part of the outer layer in one particle, and wherein a glass transition point Tg of the inner layer is about 2-about 45° C. lower than Tg of the outer layer.

Abstract translation: 一个实施方案可以是包含至少一个调色剂颗粒的电子照相调色剂，其包含内层和覆盖内层的外层，其中外层与内层的横截面积比为0.05-0.46，并且其中 在外层中存在不均匀的厚度，并且通过计算得到的5个位置处的平均厚度（t）进一步为约0.2〜约1.0μm，t =（t1 + t2 + t3 + t4 + t5）/ 5 （t1-t5的单位为μm），其中t1表示外层的最厚部分的厚度，t2-t5各自表示一个颗粒中外层的第二至第五最厚部分的厚度，其中 内层的玻璃化转变点Tg比外层的Tg低约2-约45℃。

公开(公告)号：US08298739B2

公开(公告)日：2012-10-30

申请号：US12787454

申请日：2010-05-26

Applicant: Masahiro Anno ,  Kazuyoshi Goan ,  Makoto Nomiya ,  Kouji Sugama ,  Masahiro Matsuoka

Inventor： Masahiro Anno ,  Kazuyoshi Goan ,  Makoto Nomiya ,  Kouji Sugama ,  Masahiro Matsuoka

IPC: G03G9/107

CPC classification number: G03G9/09716 ,  G03G9/09708

Abstract: A toner comprising toner particles, wherein a surface-treated titanate compound is contained on the surface of parent toner particles comprising a resin and a colorant, and the titanate compound having a carbon amount of not less than 0.15% by mass and not more than 0.50% by mass.

Abstract translation: 包含调色剂颗粒的调色剂，其中在包含树脂和着色剂的母体调色剂颗粒的表面上含有表面处理的钛酸酯化合物，并且碳量不小于0.15质量％且不大于0.50的钛酸酯化合物 质量％。

公开(公告)号：US20070281234A1

公开(公告)日：2007-12-06

申请号：US11733492

申请日：2007-04-10

Applicant: Kazuya ISOBE ,  Kouji SUGAMA ,  Hidemasa SAWADA

Inventor： Kazuya ISOBE ,  Kouji SUGAMA ,  Hidemasa SAWADA

IPC: G03G9/00

CPC classification number: G03G9/08782 ,  G03G9/0804 ,  G03G9/0806

Abstract: An objective is to provide a toner capable of obtaining clear prints with no image unevenness at low cost. Disclosed is an electrostatic charge image developing toner comprising toner particles each containing at least a binder resin, a colorant and wax, wherein a ratio {(S1/S)×100} of total area (S1) of peaks detected in a range of 36-42 ppm to total area (S) of peaks detected in a range of 0-50 ppm, in a spectrum obtained via measurement of the wax employing a 13C-NMR (nuclear magnetic resonance) measuring apparatus, satisfies the following inequality. 0.03≦(S1/S)×100≦0.50.

Abstract translation: 目的是提供能够以低成本获得没有图像不均匀的清晰印刷的调色剂。 公开了一种静电荷图像显影调色剂，其包含各自至少含有粘合剂树脂，着色剂和蜡的调色剂颗粒，其中在36度范围内检测到的峰的总面积（S1）的比率（（S1 / S）×100} 在通过使用13 C-NMR（核磁共振）测量装置测量蜡获得的光谱中，在0-50ppm范围内检测到的峰的总面积（S）为42ppm满足以下不等式。 0.03 <=（S1 / S）×100 <= 0.50。

公开(公告)号：US20070042285A1

公开(公告)日：2007-02-22

申请号：US11474909

申请日：2006-06-26

Applicant: Ryuji Kitani ,  Kenji Yamane ,  Yasuko Yamauchi ,  Kouji Sugama

Inventor： Ryuji Kitani ,  Kenji Yamane ,  Yasuko Yamauchi ,  Kouji Sugama

IPC: G03G9/08

CPC classification number: G03G9/09378 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08711 ,  G03G9/09307 ,  G03G9/0935

Abstract: An electrostatic image developing toner is disclosed, comprising toner particles composed of a core containing resin and a colorant and a shell containing a resin, wherein the standard deviation of shape factor SF-1 of the toner particles and the standard deviation of shape factor SF-2 fall within the specific range, and the ratio of maximum thickness of the shell to minimum thickness falls within the specific range.

Abstract translation: 公开了一种静电图像显影调色剂，其包含由含芯的树脂和着色剂组成的调色剂颗粒和含有树脂的壳，其中调色剂颗粒的形状因子SF-1的标准偏差和形状因子SF- 2落在特定范围内，壳体的最大厚度与最小厚度的比率落在特定范围内。

公开(公告)号：US20130108953A1

公开(公告)日：2013-05-02

申请号：US13658188

申请日：2012-10-23

Applicant: Takaki KAWAMURA ,  Hiroyuki KONNO ,  Kouji SUGAMA ,  Hiroshi NAGASAWA

Inventor： Takaki KAWAMURA ,  Hiroyuki KONNO ,  Kouji SUGAMA ,  Hiroshi NAGASAWA

IPC: C08F293/00 ,  G03G9/087

CPC classification number: G03G9/08797 ,  C08F297/026 ,  G03G9/08711 ,  G03G9/08728 ,  G03G9/08755 ,  G03G9/08788 ,  G03G9/08795

Abstract: Disclosed is a toner for electrostatic linage development that has sufficient low-temperature fixability, can provide high post-fixing separability, and can be used for stable formation of images at high speed.The toner for electrostatic image development includes toner particles containing a binder resin. The binder resin contains as a part thereof a block copolymer having an A-B-A block copolymer structure including polymer blocks A composed of a structural unit derived from an alkyl methacrylate and a polymer block B composed of a structural unit derived from an alkyl acrylate. The glass transition point (TgA) of a homopolymer of the alkyl methacrylate forming the polymer blocks A is higher than the glass transition point (TgB) of a homopolymer of the alkyl acrylate forming the polymer block B.

Abstract translation: 公开了一种具有足够的低温定影性的静电引线显影用调色剂，可以提供高的后固定分离性，并且可以用于高速稳定地形成图像。 用于静电图像显影的调色剂包括含有粘合剂树脂的调色剂颗粒。 粘合剂树脂作为其一部分含有具有A-B-A嵌段共聚物结构的嵌段共聚物，其包含由衍生自甲基丙烯酸烷基酯的结构单元组成的聚合物嵌段A和由衍生自丙烯酸烷基酯的结构单元组成的聚合物嵌段B. 形成聚合物嵌段A的甲基丙烯酸烷基酯的均聚物的玻璃化转变点（TgA）高于形成聚合物嵌段B的丙烯酸烷基酯的均聚物的玻璃化转变点（TgB）。

公开(公告)号：US20050158646A1

公开(公告)日：2005-07-21

申请号：US11036073

申请日：2005-01-18

Applicant: Kouji Sugama ,  Masafumi Uchida ,  Kenji Yamane ,  Kenji Hayashi ,  Ryuji Kitani

Inventor： Kouji Sugama ,  Masafumi Uchida ,  Kenji Yamane ,  Kenji Hayashi ,  Ryuji Kitani

IPC: G03G9/08 ,  G03G9/09 ,  G03G9/093

CPC classification number: G03G9/09 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/0827

Abstract: An embodiment may be an electrophotographic toner which comprises at least one toner particle which comprises an inner layer and an outer layer covering the inner layer, wherein a cross-sectional area ratio of the outer layer to the inner layer is 0.05-0.46, and wherein a non-uniform thickness exists in the outer layer, and further the average thickness (t) taken at 5 positions as calculated by, is about 0.2-about 1.0 μm, t=(t1+t2+t3+t4+t5)/5 (unit of t1-t5 is μm) wherein t1 represents a thickness of the thickest part of the outer layer, and t2-t5 each represent a thickness of a second to a fifth thickest part of the outer layer in one particle, and wherein a glass transition point Tg of the inner layer is about 2-about 45° C. lower than Tg of the outer layer.

Abstract translation: 一个实施方案可以是包含至少一个调色剂颗粒的电子照相调色剂，其包含内层和覆盖内层的外层，其中外层与内层的横截面积比为0.05-0.46，并且其中 在外层中存在不均匀的厚度，并且在由5计算得到的5个位置处的平均厚度（t）进一步为约0.2〜约1.0μm，t =（t 1 + 3（t 1的单位）/ 5（t <1） 其中t 1表示外层的最厚部分的厚度，t 2 -T 2 < 每个表示一个颗粒中外层的第二至第五最厚部分的厚度，并且其中内层的玻璃化转变温度Tg为约2-约45℃，低于Tg 的外层。

公开(公告)号：US08859178B2

公开(公告)日：2014-10-14

申请号：US13765000

申请日：2013-02-12

Applicant: Takaki Kawamura ,  Kouji Sugama ,  Hiroyuki Konno ,  Hiroshi Nagasawa

Inventor： Takaki Kawamura ,  Kouji Sugama ,  Hiroyuki Konno ,  Hiroshi Nagasawa

IPC: G03G9/087

CPC classification number: G03G9/08724 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797

Abstract: A toner for electrostatic image development includes toner particles containing a releasing agent and a binder resin, the binder resin containing a copolymer including a structural unit derived from a monomer represented by the general, formula (1), in which R1 represents a hydrogen atom or a methyl group, and R2 represents a hydrogen atom, an alkyl group having 1 to 16 carbon atoms, or an aryl group having 6 to 15 carbon atoms, m is an integer of 2 or 3, and n is an integer of 1 to 8.

Abstract translation: 用于静电图像显影的调色剂包括含有脱模剂和粘合剂树脂的调色剂颗粒，所述粘合剂树脂含有包含衍生自由通式（1）表示的单体的结构单元的共聚物，其中R 1表示氢原子或 甲基，R 2表示氢原子，碳原子数1〜16的烷基或碳原子数6〜15的芳基，m为2或3的整数，n为1〜8的整数。 。

公开(公告)号：US08628901B2

公开(公告)日：2014-01-14

申请号：US13658188

申请日：2012-10-23

Applicant: Takaki Kawamura ,  Hiroyuki Konno ,  Kouji Sugama ,  Hiroshi Nagasawa

Inventor： Takaki Kawamura ,  Hiroyuki Konno ,  Kouji Sugama ,  Hiroshi Nagasawa

IPC: G03G9/087

CPC classification number: G03G9/08797 ,  C08F297/026 ,  G03G9/08711 ,  G03G9/08728 ,  G03G9/08755 ,  G03G9/08788 ,  G03G9/08795

Abstract: Disclosed is a toner for electrostatic image development that has sufficient low-temperature fixability, can provide high post-fixing separability, and can be used for stable formation of images at high speed.The toner for electrostatic image development includes toner particles containing a binder resin. The binder resin contains as a part thereof a block copolymer having an A-B-A block copolymer structure including polymer blocks A composed of a structural unit derived from an alkyl methacrylate and a polymer block B composed of a structural unit derived from an alkyl acrylate. The glass transition point (TgA) of a homopolymer of the alkyl methacrylate forming the polymer blocks A is higher than the glass transition point (TgB) of a homopolymer of the alkyl acrylate forming the polymer block B.

Abstract translation: 公开了一种静电图像显影用调色剂，其具有足够的低温定影性，可以提供高的后固定分离性，并且可以用于高速稳定地形成图像。 用于静电图像显影的调色剂包括含有粘合剂树脂的调色剂颗粒。 粘合剂树脂作为其一部分含有具有A-B-A嵌段共聚物结构的嵌段共聚物，其包含由衍生自甲基丙烯酸烷基酯的结构单元组成的聚合物嵌段A和由衍生自丙烯酸烷基酯的结构单元组成的聚合物嵌段B. 形成聚合物嵌段A的甲基丙烯酸烷基酯的均聚物的玻璃化转变点（TgA）高于形成聚合物嵌段B的丙烯酸烷基酯的均聚物的玻璃化转变点（TgB）。

公开(公告)号：US20130209930A1

公开(公告)日：2013-08-15

申请号：US13765000

申请日：2013-02-12

Applicant: Takaki KAWAMURA ,  Kouji SUGAMA ,  Hiroyuki KONNO ,  Hiroshi NAGASAWA

Inventor： Takaki KAWAMURA ,  Kouji SUGAMA ,  Hiroyuki KONNO ,  Hiroshi NAGASAWA

IPC: G03G9/087

CPC classification number: G03G9/08724 ,  G03G9/08782 ,  G03G9/08795 ,  G03G9/08797

Abstract: Disclosed is a toner for electrostatic image development, having excellent low-temperature fixability and also having hot offset resistance and post-fixing separability.The toner for electrostatic image development includes toner particles containing a releasing agent and a binder resin, and the binder resin contains a copolymer including a structural unit derived from a monomer represented by the general formula (1). In the general formula (1), R1 represents a hydrogen atom or a methyl group, and R2 represents a hydrogen atom, an alkyl group having 1 to 16 carbon atoms, or an aryl group having 6 to 15 carbon atoms. m is an integer of 2 or 3, and n is an integer of 1 to 8.

Abstract translation: 公开了用于静电图像显影的调色剂，具有优异的低温定影性并且还具有耐热粘合性和后固定分离性。 用于静电图像显影的调色剂包括含有脱模剂和粘合剂树脂的调色剂颗粒，并且粘合剂树脂含有包含衍生自由通式（1）表示的单体的结构单元的共聚物。 在通式（1）中，R 1表示氢原子或甲基，R 2表示氢原子，碳原子数1〜16的烷基或碳原子数6〜15的芳基。 m为2或3的整数，n为1〜8的整数。

公开(公告)号：US07862974B2

公开(公告)日：2011-01-04

申请号：US12578317

申请日：2009-10-13

Applicant: Kouji Sugama ,  Masafumi Uchida ,  Kenji Yamane ,  Kenji Hayashi ,  Ryuji Kitani

Inventor： Kouji Sugama ,  Masafumi Uchida ,  Kenji Yamane ,  Kenji Hayashi ,  Ryuji Kitani

IPC: G03G5/00 ,  G03G9/00

CPC classification number: G03G9/09 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/0827

Abstract: An embodiment may be an electrophotographic toner which comprises at least one toner particle which comprises an inner layer and an outer layer covering the inner layer, wherein a cross-sectional area ratio of the outer layer to the inner layer is 0.05-0.46, and wherein a non-uniform thickness exists in the outer layer, and further the average thickness (t) taken at 5 positions as calculated by, is about 0.2—about 1.0 μm, t=(t1+t2+t3+t4+t5)/5 (unit of t1-t5 is μm)wherein t1 represents a thickness of the thickest part of the outer layer, and t2-t5 each represent a thickness of a second to a fifth thickest part of the outer layer in one particle, and wherein a glass transition point Tg of the inner layer is about 2—about 45° C. lower than Tg of the outer layer.

Abstract translation: 一个实施方案可以是包含至少一个调色剂颗粒的电子照相调色剂，其包含内层和覆盖内层的外层，其中外层与内层的横截面积比为0.05-0.46，并且其中 在外层中存在不均匀的厚度，并且通过计算得到的5个位置处的平均厚度（t）进一步为约0.2〜约1.0μm，t =（t1 + t2 + t3 + t4 + t5）/ 5 （t1-t5的单位为μm），其中t1表示外层的最厚部分的厚度，t2-t5各自表示一个颗粒中外层的第二至第五最厚部分的厚度，其中 内层的玻璃化转变点Tg比外层的Tg低约2-约45℃。