公开(公告)号：US20140120465A1

公开(公告)日：2014-05-01

申请号：US14046021

申请日：2013-10-04

Applicant: Kao Corporation

Inventor： Shogo WATANABE ,  Takeshi ASHIZAWA ,  Takashi KUBO ,  Norihiro HIRAI

IPC: G03G9/087

CPC classification number: G03G9/08755 ,  G03G9/081 ,  G03G9/08782 ,  G03G9/08797

Abstract: A method for producing a toner for electrostatic image development including the step of melt-kneading a mixture containing a resin binder and a wax, wherein the resin binder contains an amorphous polyester (A) obtained by polycondensing an alcohol component containing an aliphatic diol (a) having 3 or 4 carbon atoms, the aliphatic diol having a hydroxyl group bonded to a secondary carbon atom, and an aliphatic diol (b) containing one or more α,ω-linear alkanediols having 2, 4, 6 or 8 carbon atoms, and a carboxylic acid component. The toner for electrostatic image development can be suitably used in, for example, the development or the like of latent image formed in an electrostatic development method, 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的制造方法，其特征在于，包括熔融捏合含有树脂粘合剂和蜡的混合物的工序，其中，所述树脂粘合剂含有通过使含有脂肪族二醇的醇成分缩聚得到的无定形聚酯（A） 具有3或4个碳原子的脂族二醇，具有与仲碳原子键合的羟基的脂族二醇和含有一个或多个具有2,4,6或8个碳原子的α，ω-直链烷二醇的脂族二醇（b） 和羧酸组分。 用于静电图像显影的调色剂可以适用于例如静电显影方法形成的潜像的显影等，静电记录方法，静电印刷方法等

公开(公告)号：US20160280942A1

公开(公告)日：2016-09-29

申请号：US15037241

申请日：2014-11-20

Applicant: KAO CORPORATION

Inventor： Teruyuki FUKUDA ,  Satoshi TANAKA ,  Takeshi ASHIZAWA ,  Daisuke HAMADA

IPC: C09D11/107 ,  C09D11/037 ,  C09D11/033 ,  C09D11/322

Abstract: The present invention relates to [1] a water-based pigment dispersion for ink-jet printing including pigment particles and water, in which a scattering intensity area ratio of components included in the range of from 0 to −60 mV in a normalized zeta potential distribution 4 that is determined through specific zeta potential measurement steps is not more than 40%, and the like, and [2] a process for producing the water-based pigment dispersion for ink-jet printing, including production step (1) of subjecting a mixture including water, a pigment, a water-dispersible polymer and an organic solvent having a solubility in water of less than 40% by mass to dispersing treatment until a volume-average particle size of the pigment particles is decreased to not more than 180 nm to obtain a pigment dispersion; production step (2) of adding water to the resulting pigment dispersion, followed by maintaining the resulting dispersion at a temperature of not higher than 40° C. for a period of from 4 h to 48 h; and production step (3) of removing the organic solvent from the pigment dispersion to obtain the water-based pigment dispersion. The water-based pigment dispersion for ink-jet printing according to the present invention is excellent in ejection durability and can be prevented from suffering from deterioration in optical density even when used for printing over a long period of time.

Abstract translation: 本发明涉及[1]一种用于喷墨印刷的水性颜料分散体，其包括颜料颗粒和水，其中包含在标准化ζ电位中0至-60mV范围内的组分的散射强度面积比 通过特定的ζ电位测定步骤确定的分布4不超过40％等，[2]一种喷墨印刷用水性颜料分散体的制造方法，包括制造工序（1） 包括水，颜料，水分散性聚合物和在水中的溶解度小于40质量％的有机溶剂的分散处理，直到颜料颗粒的体积平均粒径降至不大于180 nm以获得颜料分散体; 制备步骤（2），向所得颜料分散体中加入水，然后将所得分散体在不高于40℃的温度下保持4小时至48小时; 和从颜料分散体中除去有机溶剂的制备步骤（3），得到水性颜料分散体。 根据本发明的用于喷墨打印的水性颜料分散体具有优异的喷射耐久性，并且即使长时间用于印刷也可以防止光密度的劣化。

公开(公告)号：US20190309180A1

公开(公告)日：2019-10-10

申请号：US16061855

申请日：2016-12-16

Applicant: KAO CORPORATION

Inventor： Satoshi TANAKA ,  Takeshi ASHIZAWA ,  Teruyuki FUKUDA

IPC: C09D11/326 ,  C09D17/00 ,  C09D11/037 ,  C09D11/033 ,  C09D11/107 ,  B41M5/00

Abstract: The present invention relates to [1] a process for producing a pigment water dispersion, including step 1 of mixing a water dispersion (A) formed by dispersing a pigment (I) with a water-dispersible polymer and a water dispersion (B) of a self-dispersible pigment (II) to obtain a water dispersion (C); and step 2 of subjecting the water dispersion (C) obtained in the step 1 to heat treatment at a temperature of not lower than 40° C. to obtain the pigment water dispersion, and [2] a pigment water dispersion containing a pigment (I) dispersed with a water-dispersible polymer and a self-dispersible pigment (II), in which the water-dispersible polymer is adsorbed onto the pigment (I) and the self-dispersible pigment (II).

公开(公告)号：US20160297981A1

公开(公告)日：2016-10-13

申请号：US14392279

申请日：2014-06-24

Applicant: KAO CORPORATION

Inventor： Takeshi ASHIZAWA ,  Teruyuki FUKUDA ,  Satoshi TANAKA

IPC: C09D11/38 ,  B41J2/04 ,  C09D11/322 ,  C09D11/033 ,  C09D11/107

CPC classification number: C09D11/38 ,  B41J2/04 ,  C09D11/033 ,  C09D11/107 ,  C09D11/322

Abstract: The present invention relates to a process for producing a water-based ink for ink-jet printing, including the step of dispersing a pigment in a polymer by means of a disperser using dispersing media particles containing a zirconium compound to introduce the solid zirconium compound into the water-based ink, the water-based ink including the pigment-containing polymer particles and the solid zirconium compound, and having a zirconium compound content of not less than 2 ppm and not more than 200 ppm in terms of a concentration of zirconium in the water-based ink.

Abstract translation: 本发明涉及一种喷墨印刷用水性油墨的制造方法，其特征在于，包括使用含有锆化合物的分散介质粒子，通过分散机将颜料分散在聚合物中的步骤，将固体锆化合物引入 水性油墨，包含含颜料的聚合物颗粒和固体锆化合物的水性油墨，并且锆化合物含量以锆的浓度计不小于2ppm且不大于200ppm 水性油墨。

公开(公告)号：US20130273467A1

公开(公告)日：2013-10-17

申请号：US13792732

申请日：2013-03-11

Applicant: KAO CORPORATION

Inventor： Takeshi ASHIZAWA ,  Shogo Watanabe ,  Takashi Kubo ,  Norihiro Hirai

IPC: G03G9/087

CPC classification number: G03G9/08755 ,  C08G63/181 ,  G03G9/081 ,  G03G9/08782 ,  G03G9/08791

Abstract: A toner for electrostatic image development containing a resin binder and a releasing agent, wherein the resin binder contains a polyester A having a furan ring, and wherein the releasing agent contains an ester wax, and a method for producing the toner. The toner for electrostatic image development of the present invention can be 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: 一种含有树脂粘合剂和脱模剂的静电图像显影用调色剂，其中树脂粘合剂含有具有呋喃环的聚酯A，其中脱模剂含有酯蜡，以及调色剂的制造方法。 本发明的静电图像显影用调色剂可以适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：US20130157192A1

公开(公告)日：2013-06-20

申请号：US13690278

申请日：2012-11-30

Applicant: Kao Corporation

Inventor： Takeshi ASHIZAWA ,  Shogo Watanabe ,  Takashi Kubo ,  Norihiro Hirai

IPC: G03G9/087 ,  G03G9/08

CPC classification number: G03G9/08755 ,  G03G9/081 ,  G03G9/0817 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09741

Abstract: A method for producing a toner for electrostatic image development containing at least a resin binder and a charge control agent, including step 1: melt-kneading components containing a resin binder and a charge control agent to provide a melt-kneaded product; and step 2: pulverizing the melt-kneaded product, and classifying a pulverized product, wherein the resin binder contains a polyester A obtained by polycondensing an alcohol component containing 1,2-propanediol and a carboxylic acid component containing a rosin compound and an aliphatic dicarboxylic acid compound having 6 to 10 carbon atoms, wherein 1,2-propanediol is contained in the alcohol component of the polyester A in an amount of 85% by mol or more. The toner for electrostatic image development obtained by the method of the present invention can be 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: 含有至少含有树脂粘合剂和电荷控制剂的静电显影用调色剂的方法，包括步骤1：将含有树脂粘合剂和电荷控制剂的组分熔融捏合以提供熔融捏合产物; 和步骤2：粉碎熔融捏合的产品并对粉碎产物进行分级，其中树脂粘合剂含有通过缩聚含有1,2-丙二醇的醇组分和含有松香化合物和脂族二羧酸的羧酸组分得到的聚酯A 碳原子数为6〜10的酸性化合物，其中，聚酯A的醇成分中含有1,2-丙二醇为85摩尔％以上。 通过本发明的方法获得的用于静电图像显影的调色剂可以适用于例如在电子照相术，静电记录方法，静电印刷方法等中形成的潜像的显影等。

公开(公告)号：US20130130173A1

公开(公告)日：2013-05-23

申请号：US13672919

申请日：2012-11-09

Applicant: Kao Corporation

Inventor： Takeshi ASHIZAWA

IPC: G03G9/087

CPC classification number: G03G9/08755 ,  G03G9/081 ,  G03G9/08782 ,  G03G9/08797

Abstract: A method for producing a toner including the step of melt-kneading a mixture containing a resin binder and a wax with a twin-screw kneader, wherein the resin binder contains three kinds of a resin R1, a resin R2 and a resin R3 having different softening points to each other, wherein the wax contains at least two kinds of a wax W2 and a wax W3 having different melting points to each other, wherein the softening points of R1, R2 and R3 and the melting point W2 meet certain relationships, and wherein the mixture is supplied to the twin-screw kneader in an amount of from 1.3 to 5.0 kg/hr·cm2 per unit cross-sectional area of the screw. The toner obtainable by the method of the present invention can be 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: 一种用于生产调色剂的方法，包括用双螺杆捏和机将含有树脂粘合剂和蜡的混合物熔融捏合的步骤，其中树脂粘合剂包含三种树脂R1，树脂R2和具有不同的树脂R3 软化点彼此相对，其中蜡包含彼此不同熔点的蜡W2和蜡W3中的至少两种，其中R1，R2和R3的软化点和熔点W2满足某些关系，并且 其中将混合物以每单位螺杆横截面积1.3至5.0kg / hr·cm2的量供应给双螺杆混合机。 通过本发明的方法获得的调色剂可以适用于例如在电子照相术中形成的潜像的显影等，静电记录方法，静电印刷方法等。