公开(公告)号：US20120156603A1

公开(公告)日：2012-06-21

申请号：US13309921

申请日：2011-12-02

Applicant: Satoshi KUNII ,  Masahito Yamazaki

Inventor： Satoshi KUNII ,  Masahito Yamazaki

IPC: G03G9/00 ,  G03G15/08

CPC classification number: G03G9/09725 ,  G03G9/09708 ,  G03G9/107 ,  G03G9/1136

Abstract: A toner for electrostatic image development containing an external additive comprising composite oxide particles made of titania and silica (external additive A), and hydrophobic silica particles (external additive B), wherein the external additive A has a core-shell structure in which a core portion is made of titania and a shell portion is made of silica, wherein the titania is contained in the external additive A in an amount of from 75 to 95% by weight, and wherein the external additive B has a carbon content of from 2.8 to 6.0% by weight. The toner for electrostatic image development of the present invention is suitably used in, for example, the development or the like of latent image formed in electrophotography, an electrostatic recording method, an electrostatic printing method, or the like.

Abstract translation: 一种用于静电图像显影的调色剂，其含有由二氧化钛和二氧化硅（外部添加剂A）制成的复合氧化物颗粒的外部添加剂和疏水性二氧化硅颗粒（外部添加剂B），其中外部添加剂A具有芯 - 壳结构，其中芯 部分由二氧化钛制成，外壳部分由二氧化硅制成，其中二氧化钛的含量为75〜95重量％，外用添加剂B的碳含量为2.8〜 6.0重量％。 本发明的静电图像显影用调色剂适合用于例如在电子照相法，静电记录法，静电印刷法等中形成的潜像的显影等。

公开(公告)号：US20100203440A1

公开(公告)日：2010-08-12

申请号：US12689531

申请日：2010-01-19

Applicant: Satoshi KUNII ,  Masahito Yamazaki ,  Yoshihiro Fukushima

Inventor： Satoshi KUNII ,  Masahito Yamazaki ,  Yoshihiro Fukushima

IPC: G03G13/20 ,  G03G9/08 ,  G03G9/087

CPC classification number: G03G9/08755 ,  G03G9/0821 ,  G03G9/09741 ,  G03G9/0975 ,  G03G9/09775 ,  G03G9/09783

Abstract: A toner for electrostatic image development containing a resin binder, a negatively chargeable charge control agent, and a positively chargeable charge control agent, wherein the resin binder contains at least one polyester, wherein a carboxylic acid component of the polyester contains isophthalic acid and/or an ester thereof and fumaric acid and/or an ester thereof, provided that if two or more polyesters are used, the carboxylic acid component is taken as an overall component, and wherein the negatively chargeable charge control agent contains a metal-containing azo dye and/or a metal complex of salicylic acid, and wherein the toner has a softening point of from 90° to 120° C. The toner for electrostatic image development of the present invention can be suitably used in developing latent images formed in, for example, electrophotography, an electrostatic recording method, an electrostatic printing method, or the like.

Abstract translation: 一种静电图像显影用调色剂，其含有树脂粘合剂，带负电荷的电荷控制剂和可带正电荷的电荷控制剂，其中所述树脂粘合剂含有至少一种聚酯，其中所述聚酯的羧酸组分含有间苯二甲酸和/或 其酯和富马酸和/或其酯，条件是如果使用两种或更多种聚酯，则将羧酸组分作为总体组分，其中可带负电荷的电荷控制剂含有含金属的偶氮染料和 /或水杨酸的金属络合物，其中调色剂的软化点为90〜120℃。本发明的静电图像显影用调色剂可适用于形成于例如， 电子照相术，静电记录方法，静电印刷方法等。

公开(公告)号：US20090280427A1

公开(公告)日：2009-11-12

申请号：US12434158

申请日：2009-05-01

Applicant: Satoshi KUNII ,  Masahito YAMAZAKI ,  Takashi KUBO

Inventor： Satoshi KUNII ,  Masahito YAMAZAKI ,  Takashi KUBO

IPC: G03G9/087

CPC classification number: G03G9/0821 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09716 ,  G03G9/09725

Abstract: A toner for non-contacting fusing containing toner matrix particles containing a resin binder and an external additive having an average particle size of from 10 to 100 nm, wherein the external additive is externally added to the toner matrix particles, wherein the resin binder contains one or more polyesters, wherein a carboxylic acid component of the polyester contains one or more isophthalic acid compounds and one or more fumaric acid/maleic acid compounds, wherein the isophthalic acid compound is contained in an amount of from 10 to 35% by weight, the fumaric acid/maleic acid compound is contained in an amount of from 1 to 15% by weight, and the isophthalic acid compound and the fumaric acid/maleic acid compound are contained in a total amount of from 20 to 36% by weight, of a total amount of the entire raw material monomers of the polyester in the resin binder, and wherein the toner has a softening point of from 90° to 120° C. The toner is suitably used in developing latent images formed in, for example, electrophotography, an electrostatic recording method, an electrostatic printing method, or the like.

Abstract translation: 一种用于非接触式熔融的调色剂，其含有含有树脂粘合剂的调色剂基质颗粒和平均粒径为10-100nm的外部添加剂，其中外部添加剂外部添加到调色剂基质颗粒中，其中树脂粘合剂含有一种 或更多的聚酯，其中所述聚酯的羧酸组分含有一种或多种间苯二甲酸化合物和一种或多种富马酸/马来酸化合物，其中所述间苯二甲酸化合物的含量为10-35重量％， 富马酸/马来酸化合物的含量为1〜15重量％，间苯二甲酸化合物和富马酸/马来酸化合物的含量为20〜36重量％ 树脂粘合剂中聚酯的整个原料单体的总量，其中调色剂的软化点为90℃至120℃。调色剂适用于显影潜像 例如，电子照相术，静电记录方法，静电印刷方法等形成。

公开(公告)号：US20080241717A1

公开(公告)日：2008-10-02

申请号：US12053817

申请日：2008-03-24

Applicant: Satoshi KUNII ,  Masahito Yamazaki

Inventor： Satoshi KUNII ,  Masahito Yamazaki

IPC: G03G9/087

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

Abstract: A toner for electrostatic image development, containing a resin binder and a wax, wherein the resin binder contains an amorphous polyester obtained by polycondensing a carboxylic acid component containing fumaric acid in an amount of from 55 to 100% by mole, with an alcohol component, wherein the wax contains an ester of pentaerythritol and a fatty acid having 15 to 25 carbon atoms, and a method of forming fixed images, including the step of applying the toner for electrostatic image development to a non-contact fixing type image-forming apparatus. The toner for electrostatic image development of the present invention is suitably used for, for example, developing a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method, or the like.

Abstract translation: 一种静电显影用调色剂，含有树脂粘合剂和蜡，其中，所述树脂粘合剂含有通过使含有55〜100摩尔％的富马酸的羧酸成分与醇成分缩聚得到的无定形聚酯， 其中所述蜡包含季戊四醇和碳原子数15〜25的脂肪酸的酯，以及形成固定图像的方法，包括将静电图像显影用调色剂涂布到非接触固定型图像形成装置的工序。 本发明的静电图像显影用调色剂适合用于例如在电子照相法，静电记录法，静电印刷法等中形成的潜像的显影。