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公开(公告)号：US09141011B2
公开(公告)日：2015-09-22
申请号：US14046021
申请日：2013-10-04
Applicant: Kao Corporation
Inventor： Shogo Watanabe , Takeshi Ashizawa , Takashi Kubo , Norihiro Hirai
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以静电显影方法，静电记录方法，静电印刷方法等形成的潜像的显影等。
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公开(公告)号：US08921022B2
公开(公告)日：2014-12-30
申请号：US13792732
申请日：2013-03-11
Applicant: Kao Corporation
Inventor： Takeshi Ashizawa , Shogo Watanabe , Takashi Kubo , Norihiro Hirai
IPC: G03G9/08
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。
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公开(公告)号：US10719024B2
公开(公告)日：2020-07-21
申请号：US16114495
申请日：2018-08-28
Applicant: KAO CORPORATION
Inventor： Norihiro Fukuri , Takashi Kubo
IPC: G03G9/087 , C08G63/547 , C08G63/672
Abstract: An embodiment of the present invention relates to a method for producing a binder resin, from which a toner having excellent low-temperature fusing property, roller release properties, and pulverization properties, is obtained, a binder resin, and a toner for development of electrostatic images including the binder resin.An embodiment of the present invention relates to a method for producing a binder resin including the following steps (1) and (2): step (1): mixing an aromatic alcohol including an alkylene oxide adduct of bisphenol A and fumaric acid; and step (2): further adding a carboxylic acid to the mixture obtained in the step (1) and mixing until a softening point of the binder resin in the system falls within the predetermined range, wherein in the molecular weight distribution measured by gel permeation chromatography, the binder resin includes 40% or more of components having a molecular weight of 10,000 or more and has a peak top of molecular weight distribution within a range of 7,500 or more and 10,000 or less.
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公开(公告)号：US10551761B2
公开(公告)日：2020-02-04
申请号：US16077241
申请日：2017-02-09
Applicant: KAO CORPORATION
Inventor： Takashi Kubo , Kota Ijichi
Abstract: To provide a toner for electrophotography exhibiting an excellent charge rise property, and a process for producing the same.[1] A toner for electrophotography containing a binder resin, and a polyhydroxyamine compound represented by the following formula (1) in an amount of 0.001 part by mass or more and 5.0 parts by mass or less per 100 parts by mass of the binder resin, and [2] a process for producing a toner for electrophotography, including: melt-kneading a toner raw material mixture containing a binder resin, and a polyhydroxyamine compound represented by the following formula (1) in an amount of 0.001 part by mass or more and 5.0 parts by mass or less per 100 parts by mass of the binder resin; and pulverizing a resulting melt-kneaded material.
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公开(公告)号：US08852841B2
公开(公告)日：2014-10-07
申请号：US13690278
申请日：2012-11-30
Applicant: Kao Corporation
Inventor： Takeshi Ashizawa , Shogo Watanabe , Takashi Kubo , Norihiro Hirai
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。
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Patent Agency Ranking
公开(公告)号：US08735038B2
公开(公告)日：2014-05-27
申请号：US13644025
申请日：2012-10-03
Applicant: Kao Corporation
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。
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公开(公告)号：US10386740B2
公开(公告)日：2019-08-20
申请号：US15768955
申请日：2016-08-02
Applicant: Kao Corporation
Inventor： Takashi Kubo
Abstract: A resin binder composition for a toner, containing a polyester resin, which is a polycondensate of a polyethylene terephthalate, a carboxylic acid component, and an alcohol component, wherein the polyethylene terephthalate contains a polyethylene terephthalate having a IV value of 0.40 or more and 0.75 or less, and wherein the alcohol component contains an aliphatic diol having a hydroxyl group bonded to a secondary carbon atom having 2 or more carbon atoms and 4 or less carbon atoms in an amount of 40% by mol or more and 100% by mol or less, a method for producing a polyester resin contained in the resin binder composition, and a toner for electrophotography containing the resin binder composition. The resin binder composition for a toner of the present invention is suitably used in the toner for electrophotography usable in development or the like of latent images formed in, for example, method for electrostatic image development, electrostatic recording method, electrostatic printing method or the like.
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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。
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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
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。
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公开(公告)号：US10670981B2
公开(公告)日：2020-06-02
申请号：US16077111
申请日：2017-02-09
Applicant: KAO CORPORATION
Inventor： Takashi Kubo , Kota Ijichi
IPC: G03G9/087 , C08G63/685
Abstract: To provide a toner for electrophotography and a binder resin, exhibiting an excellent fog suppression capability.A toner for electrophotography and a binder resin each containing a resin A having at least a polyester moiety obtained through polycondensation of an alcohol component, a carboxylic acid component, and a polyhydroxyamine compound represented by the formula (1) in an amount of 0.01% by mass or more and 5.0% by mass or less based on the total amount of all the monomer components of the resin A.
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