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：US08603713B2

公开(公告)日：2013-12-10

申请号：US12713833

申请日：2010-02-26

申请人： Akihiro Kotsugai ,  Toyoshi Sawada ,  Ryota Inoue ,  Akiyoshi Sabu ,  Shingo Sakashita ,  Keiko Osaka ,  Yukiko Nakajima

发明人： Akihiro Kotsugai ,  Toyoshi Sawada ,  Ryota Inoue ,  Akiyoshi Sabu ,  Shingo Sakashita ,  Keiko Osaka ,  Yukiko Nakajima

IPC分类号： G03G9/087

CPC分类号： G03G15/08 ,  G03G9/08755 ,  G03G9/08775 ,  G03G9/08795 ,  G03G9/08797

摘要： A toner including a colorant, a thermoplastic resin (a) comprising an amorphous polyester resin having a main chain having a polyhydroxycarboxylic acid skeleton, and a thermoplastic resin (b) is provided. The toner is manufactured by a method including mixing the colorant with the thermoplastic resin (a) to prepare a preliminary mixture, and mixing the preliminary mixture with the thermoplastic resin (b).

摘要翻译： 提供包含着色剂的调色剂，包含具有聚羟基羧酸骨架的主链的无定形聚酯树脂的热塑性树脂（a）和热塑性树脂（b）。 通过将着色剂与热塑性树脂（a）混合以制备预混合物并将预混合物与热塑性树脂（b）混合的方法制造调色剂。

公开(公告)号：US20100216068A1

公开(公告)日：2010-08-26

申请号：US12713833

申请日：2010-02-26

申请人： Akihiro KOTSUGAI ,  Toyoshi Sawada ,  Ryota Inoue ,  Akiyoshi Sabu ,  Shingo Sakashita ,  Keiko Osaka ,  Yukiko Nakajima

发明人： Akihiro KOTSUGAI ,  Toyoshi Sawada ,  Ryota Inoue ,  Akiyoshi Sabu ,  Shingo Sakashita ,  Keiko Osaka ,  Yukiko Nakajima

IPC分类号： G03G9/087 ,  G03G13/20 ,  G03G15/08 ,  G03G21/16

CPC分类号： G03G15/08 ,  G03G9/08755 ,  G03G9/08775 ,  G03G9/08795 ,  G03G9/08797

摘要： A toner including a colorant, a thermoplastic resin (a) comprising an amorphous polyester resin having a main chain having a polyhydroxycarboxylic acid skeleton, and a thermoplastic resin (b) is provided. The toner is manufactured by a method including mixing the colorant with the thermoplastic resin (a) to prepare a preliminary mixture, and mixing the preliminary mixture with the thermoplastic resin (b).

摘要翻译： 提供包含着色剂的调色剂，包含具有聚羟基羧酸骨架的主链的无定形聚酯树脂的热塑性树脂（a）和热塑性树脂（b）。 通过将着色剂与热塑性树脂（a）混合以制备预混合物并将预混合物与热塑性树脂（b）混合的方法制造调色剂。

公开(公告)号：US07550243B2

公开(公告)日：2009-06-23

申请号：US12140615

申请日：2008-06-17

申请人： Keiko Matsumoto ,  Toyoshi Sawada

发明人： Keiko Matsumoto ,  Toyoshi Sawada

IPC分类号： G03G13/20

CPC分类号： G03G9/08755 ,  G03G9/08797

摘要： The object of the present invention is to provide a toner characterized in that the toner comprises a first binder resin and a second binder resin, the first binder resin is an amorphous resin and the second binder resin is a crystalline resin, and the glass-transition temperature of the toner (TgA) is lower than the glass-transition temperature expressed by the following equation (1) (TgC). TgC = ∑ i = 1 n ⁢ ⁢ b i / ∑ i = 1 n ⁢ ⁢ ( b i TgB i ) Equation ⁢ ⁢ ( 1 ) In the above equation (1), “TgBi” represents the glass-transition temperature of the amorphous resin, “n” represents the number of amorphous resins, and “b” represents the content of the amorphous resin (part by mass). Examples of the preferred aspect of the present invention includes the one that at least a part of the amorphous resin and a part of the crystalline resin are compatible each other, and the one that the glass-transition temperature of the toner (TgA) is 10° C. or more lower than the glass-transition temperature (TgC).

公开(公告)号：US20080227015A1

公开(公告)日：2008-09-18

申请号：US12035862

申请日：2008-02-22

申请人： Tsuneyasu NAGATOMO ,  Toyoshi Sawada ,  Takuya Seshita ,  Satoshi Kojima ,  Tomomi Suzuki

发明人： Tsuneyasu NAGATOMO ,  Toyoshi Sawada ,  Takuya Seshita ,  Satoshi Kojima ,  Tomomi Suzuki

IPC分类号： G03G9/087 ,  G03G15/00

CPC分类号： G03G9/09716 ,  G03G9/0804 ,  G03G9/0819 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08793 ,  G03G9/08797 ,  G03G9/0902 ,  G03G9/0904 ,  G03G9/09708 ,  G03G9/09725 ,  G03G2215/0614

摘要： A toner, including at least a binder resin; a colorant; and a modified layered inorganic mineral in which at least a part of ions between the layers are modified with an organic material ion, wherein the toner includes at least one external additive having an average primary particle diameter of from 80 to 180 nm and an aspect ratio of from 0.7 to 0.95.

摘要翻译： 一种调色剂，包括至少一种粘合剂树脂; 着色剂 以及改性层状无机矿物，其中层间的至少一部分离子用有机材料离子改性，其中调色剂包括至少一种平均一次粒径为80-180nm的外部添加剂和纵横比 为0.7〜0.95。

公开(公告)号：US07413839B2

公开(公告)日：2008-08-19

申请号：US11081737

申请日：2005-03-17

申请人： Keiko Matsumoto ,  Toyoshi Sawada

发明人： Keiko Matsumoto ,  Toyoshi Sawada

IPC分类号： G03G9/087

CPC分类号： G03G9/08755 ,  G03G9/08797

摘要： The object of the present invention is to provide a toner characterized in that the toner comprises a first binder resin and a second binder resin, the first binder resin is an amorphous resin and the second binder resin is a crystalline resin, and the glass-transition temperature of the toner (TgA) is lower than the glass-transition temperature expressed by the following equation (1) (TgC). TgC = ∑ i = 1 n ⁢ b i / ∑ i = 1 n ⁢ ( b i TgB i ) Equation ⁢ ⁢ ( 1 ) In the above equation (1), “TgBi” represents the glass-transition temperature of the amorphous resin, “n” represents the number of amorphous resins, and “b” represents the content of the amorphous resin (part by mass). Examples of the preferred aspect of the present invention includes the one that at least a part of the amorphous resin and a part of the crystalline resin are compatible each other, and the one that the glass-transition temperature of the toner (TgA) is 10° C. or more lower than the glass-transition temperature (TgC).

公开(公告)号：US20070218383A1

公开(公告)日：2007-09-20

申请号：US11687404

申请日：2007-03-16

申请人： Takuya Seshita ,  Toyoshi Sawada ,  Tomomi Suzuki ,  Tsuneyasu Nagatomo ,  Satoshi Kojima

发明人： Takuya Seshita ,  Toyoshi Sawada ,  Tomomi Suzuki ,  Tsuneyasu Nagatomo ,  Satoshi Kojima

IPC分类号： G03G9/087

CPC分类号： G03G9/0819 ,  G03G9/0806 ,  G03G9/0821 ,  G03G9/0827 ,  G03G9/08755 ,  G03G9/08793 ,  G03G9/09 ,  G03G9/0926

摘要： An image forming apparatus including an image bearer; a charging device charging the image bearer; a light irradiating device irradiating the charged image bearer with light to form an electrostatic image; a developing device developing the electrostatic image with a developer including a toner to form a toner image on the image bearer; a transfer device transferring the toner image; and a cleaning device cleaning the image bearer, wherein the volume average particle diameter of the toner is greater than 5.0 μm and less than 5.5 μm, the content of toner particles having a particle diameter of not greater than 4.0 μm is not higher than 20% by number, the ratio of the first shape factor SF-1 to the second shape factor SF-2 is from 1.00 to 1.15, and the content of toner particles having a SF-2 of not less than 115 is not less than 67.8% by number.

摘要翻译： 一种包括图像载体的图像形成装置; 对图像承载进行充电的充电装置; 光照射装置用光照射带电图像载体以形成静电图像; 显影装置用包含调色剂的显影剂显影静电图像以在图像承载体上形成调色剂图像; 传送调色剂图像的转印装置; 以及清洁图像载体的清洁装置，其中调色剂的体积平均粒径大于5.0μm且小于5.5μm，粒径不大于4.0μm的调色剂颗粒的含量不高于20％ 第一形状因子SF-1与第二形状因子SF-2的比例为1.00〜1.15，SF-2为115以上的调色剂颗粒的含量为67.8％以上，不小于67.8％ 数。

公开(公告)号：US07132210B2

公开(公告)日：2006-11-07

申请号：US11167317

申请日：2005-06-28

申请人： Masanori Suzuki ,  Yohichiroh Watanabe ,  Keiko Shiraishi ,  Toyoshi Sawada ,  Takuya Saito ,  Masashi Nagayama

发明人： Masanori Suzuki ,  Yohichiroh Watanabe ,  Keiko Shiraishi ,  Toyoshi Sawada ,  Takuya Saito ,  Masashi Nagayama

IPC分类号： G03G9/08

CPC分类号： G03G9/08711 ,  G03G9/0821 ,  G03G9/0825 ,  G03G9/0827 ,  G03G9/087 ,  G03G9/08704 ,  G03G9/08722 ,  G03G9/08724 ,  G03G9/08728 ,  G03G9/08731 ,  G03G9/08733 ,  G03G9/08737 ,  G03G9/08755 ,  G03G9/08782 ,  G03G9/08786 ,  G03G9/08791 ,  G03G9/08795 ,  G03G9/08797

摘要： An image-forming color toner contains at least a colorant, a resin (A), a modified resin (B) and a wax (a) as a mold releasing agent, the image-forming color toner having a phase separated structure comprising the modified resin (B) as a domain in the resin (A) as a continuous phase, and wax (a) being effectively contained the modified resin (B). The modified resin (B) has a wax part containing a wax component (b), and a modified part formed of a vinyl monomer unit and an average ester group concentration of 8% by weight to 30% by weight.

公开(公告)号：US20050277046A1

公开(公告)日：2005-12-15

申请号：US11196603

申请日：2005-08-04

申请人： Toyoshi Sawada ,  Masanori Suzuki ,  Kohki Katoh ,  Yohichiroh Watanabe ,  Keiko Shiraishi ,  Takuya Saito ,  Masashi Nagayama

发明人： Toyoshi Sawada ,  Masanori Suzuki ,  Kohki Katoh ,  Yohichiroh Watanabe ,  Keiko Shiraishi ,  Takuya Saito ,  Masashi Nagayama

IPC分类号： G03G9/087

CPC分类号： G03G9/08782 ,  G03G9/08711 ,  G03G9/08755

摘要： A color toner including toner particles including a colorant, a binder resin, and a wax; and an external additive including at least one of an inorganic particulate material and a particulate resin, wherein the binder resin includes a polyester resin (A) having a crystallinity and a formula (—O—CO—CR1═CR2—CO—O—(CH2)n—)m, wherein R1 and R2 independently represents a hydrocarbon, and n and m are repeating numbers; a resin (B); and a resin (C), wherein the resins (B) and (C) and the wax have an island-sea structure such that the resin (C) is present like islands in a sea of the resin (B) and the wax is substantially included in the resin (C). A toner container, an image forming method, an image forming apparatus and a process cartridge including the color toner are also provided.

摘要翻译： 包括着色剂，粘合剂树脂和蜡的调色剂颗粒的彩色调色剂; 和包含无机颗粒材料和颗粒状树脂中的至少一种的外部添加剂，其中所述粘合剂树脂包括具有结晶度和式（-O-CO-CR1-CR2-CO-O-（ 其中R1和R2独立地表示烃，n和m是重复的数; 树脂（B）; 和树脂（C），其中树脂（B）和（C）和蜡具有岛状结构，使得树脂（C）在树脂（B）的海中呈岛状，蜡是 基本上包括在树脂（C）中。 还提供了调色剂容器，图像形成方法，图像形成装置和包括彩色调色剂的处理盒。