公开(公告)号：US08609313B2

公开(公告)日：2013-12-17

申请号：US13107330

申请日：2011-05-13

Applicant: Akihiro Eida ,  Shogo Watanabe ,  Takashi Kubo

Inventor： Akihiro Eida ,  Shogo Watanabe ,  Takashi Kubo

IPC: G03G9/087

CPC classification number: G03G9/08755 ,  G03G9/081 ,  G03G9/08708 ,  G03G9/08795 ,  G03G9/08797

Abstract: A toner containing a resin binder and a colorant, wherein the resin binder contains a crystalline resin and an amorphous resin, the crystalline resin containing a composite resin containing: a polycondensation resin component obtained by polycondensing an alcohol component containing an aliphatic diol having 2 to 10 carbon atoms, and a carboxylic acid component containing an aromatic dicarboxylic acid compound, and a styrenic resin component, and the amorphous resin containing a polyester obtained from an alcohol component containing an aliphatic diol in an amount of 60% by mol or more, and a carboxylic acid component. The toner of the present invention is suitably used in, for example, the development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.

Abstract translation: 一种含有树脂粘合剂和着色剂的调色剂，其中树脂粘合剂含有结晶性树脂和无定形树脂，所述结晶性树脂含有复合树脂，所述复合树脂含有：缩聚树脂组分，其通过将含有2〜10个的脂肪族二醇的醇成分缩聚得到 碳原子和含有芳族二羧酸化合物的羧酸成分和苯乙烯类树脂成分，含有由含有60摩尔％以上的脂肪族二醇的醇成分得到的聚酯的无定形树脂，以及 羧酸组分。 本发明的调色剂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。

公开(公告)号：US08592127B2

公开(公告)日：2013-11-26

申请号：US12510576

申请日：2009-07-28

Applicant: Akihiro Eida

Inventor： Akihiro Eida

IPC: G03G9/00

CPC classification number: G03G9/081 ,  G03G9/0819 ,  G03G9/08755 ,  G03G9/08797

Abstract: A method for producing a toner, comprising the step of feeding raw materials containing a resin binder and a colorant to an open-roller type kneader, and melt-kneading the raw materials, wherein the resin binder contains a crystalline polyester and an amorphous polyester, and wherein the crystalline polyester and the amorphous polyester fed to the open-roller type kneader are in a weight ratio, i.e. crystalline polyester/amorphous polyester, of from 5/95 to 30/70, and have a ratio of average particle sizes of crystalline polyester/amorphous polyester of from 1.5 to 4.0. The toner obtained according to the present invention is used in, for example, the development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.

Abstract translation: 一种调色剂的制造方法，其特征在于，包括将含有树脂粘合剂和着色剂的原料进料到开式辊式捏合机的工序，对所述原料进行熔融混炼，其中所述树脂粘合剂含有结晶性聚酯和无定形聚酯， 并且其中进料到开式辊式捏合机的结晶聚酯和无定形聚酯的重量比为结晶聚酯/无定形聚酯的重量比为5/95至30/70，并且具有结晶的平均粒度比 聚酯/无定形聚酯为1.5〜4.0。 根据本发明获得的调色剂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。

公开(公告)号：US20110045402A1

公开(公告)日：2011-02-24

申请号：US12835317

申请日：2010-07-13

Applicant: Akihiro Eida ,  Koji Kameyama ,  Eiji Shirai

Inventor： Akihiro Eida ,  Koji Kameyama ,  Eiji Shirai

IPC: G03G9/08

CPC classification number: G03G9/081 ,  G03G9/08708 ,  G03G9/08711 ,  G03G9/08797

Abstract: A method for producing a toner including the steps of melt-kneading at least a resin binder and a colorant to give a kneaded product (step 1); and heat-treating the kneaded product obtained in the step 1 (step 2), wherein the resin binder contains a crystalline resin and an amorphous resin, wherein the crystalline resin contains a specified composite resin containing (a) a specified polycondensation resin component and (b) a styrenic resin component, in a specified weight ratio, wherein the composite resin is contained in the resin binder in a specified amount. The toner obtained by the above method is used in, for example, the development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.

Abstract translation: 一种制造调色剂的方法，包括以下步骤：将至少一种树脂粘合剂和着色剂熔融捏合，得到捏合产品（步骤1）; 对步骤1（步骤2）中得到的捏合物进行热处理，其中树脂粘合剂含有结晶性树脂和无定形树脂，其中，所述结晶性树脂含有特定的复合树脂，其含有（a）规定的缩聚树脂成分和（ b）以特定重量比的苯乙烯树脂组分，其中所述复合树脂以特定量包含在所述树脂粘合剂中。 通过上述方法获得的调色剂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。

公开(公告)号：US20100136469A1

公开(公告)日：2010-06-03

申请号：US12618883

申请日：2009-11-16

Applicant: Hisakazu TAJIMA ,  Kohei Katayama ,  Eiji Shirai ,  Akihiro Eida

Inventor： Hisakazu TAJIMA ,  Kohei Katayama ,  Eiji Shirai ,  Akihiro Eida

IPC: G03G9/087 ,  G03G9/08 ,  G03G9/097

CPC classification number: G03G9/08755 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09741 ,  G03G9/09775

Abstract: A toner containing a resin binder containing two kinds of polyesters having softening points that differ by 10° C. or more, a colorant and a charge control agent, wherein the two kinds of polyesters contain a polyester A having a softening point of from 105° to 140° C. and a glass transition temperature of from 30° to 55° C., and a polyester B having a softening point of from 140° to 170° C. and a glass transition temperature of exceeding 55° C. and 80° C. or lower. The toner of the present invention is usable in, for example, development of latent images formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.

Abstract translation: 含有含有软化点为10℃以上的两种聚酯的树脂粘合剂的调色剂，着色剂和电荷控制剂，其中两种聚酯含有软化点为105℃的聚酯A 温度为140℃，玻璃化转变温度为30〜55℃，软化点为140〜170℃，玻璃化转变温度超过55℃的聚酯B和80 ℃以下。 本发明的调色剂可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。

公开(公告)号：US20070287090A1

公开(公告)日：2007-12-13

申请号：US11758856

申请日：2007-06-06

Applicant: Akihiro Eida

Inventor： Akihiro Eida

IPC: G03G9/08

CPC classification number: G03G9/09725 ,  G03G9/0821 ,  G03G9/09708 ,  G03G9/09716

Abstract: A toner having a BET specific surface area of from 1.5 to 3.5 m2/g, obtainable by a process including the steps of; step (1): pulverizing a toner composition containing at least a resin binder and a colorant in the presence of fine inorganic particles having an average primary particle size of from 6 to 20 nm to obtain mother toner particles having a volume-median particle size of from 3 to 8 μm; and step (2): externally adding silica having an average primary particle size of from 25 to 60 nm to the mother toner particles obtained in the above step (1). The toner 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BET比表面积为1.5-3.5μm2 / g的调色剂，可通过包括以下步骤的方法获得： 步骤（1）：在平均一次粒径为6〜20nm的无机微粒存在下，粉碎含有至少树脂粘合剂和着色剂的调色剂组合物，得到体积中值粒径为 从3到8个妈妈 和步骤（2）：向上述步骤（1）中获得的母体调色剂颗粒外部添加平均一次粒径为25至60nm的二氧化硅。 本发明的调色剂适用于例如显影在电子照相术，静电记录方法，静电印刷方法等中形成的潜像。

公开(公告)号：US20070003857A1

公开(公告)日：2007-01-04

申请号：US11423792

申请日：2006-06-13

Applicant: Akihiro EIDA ,  Takashi Okuno

Inventor： Akihiro EIDA ,  Takashi Okuno

IPC: G03G9/08

CPC classification number: G03G9/09392 ,  G03G9/0819 ,  G03G9/08755 ,  G03G9/08791 ,  G03G9/08793 ,  G03G9/08795 ,  G03G9/08797 ,  G03G9/09314 ,  G03G9/09321 ,  G03G9/09328 ,  G03G9/09357 ,  G03G9/09364 ,  G03G9/09371 ,  Y10T428/24802

Abstract: A process for preparing a black toner for electrophotography, including the steps of (I) melt-kneading a raw material mixture containing a resin binder and a black colorant with an open-roller type kneader; (II) cooling the melt-kneaded mixture obtained in the step (I) and pulverizing the cooled mixture; and (III) classifying the pulverized product obtained in the step (II), wherein the resulting toner has a volume-median particle size (D50v) of from 3 to 6.5 μm, contains 5.0% by volume or less of particles having particle sizes of (1.4×D50v) μm or more, and contains 5.0% by number or less of particles having particle sizes of (0.6×number-median particle size (D50p) μm or less; and a black toner for electrophotography obtained by the process as defined above, wherein the toner is a toner for nonmagnetic monocomponent development. The black toner is used for development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method, or the like.

Abstract translation: 一种制备用于电子照相的黑色调色剂的方法，包括以下步骤：（I）使用开式辊式捏合机将含有树脂粘合剂和黑色着色剂的原料混合物熔融捏合; （II）冷却步骤（I）中获得的熔融捏合混合物并粉碎冷却的混合物; 和（III）将步骤（II）中获得的粉碎产物分级，其中所得调色剂的体积中值粒度（D≤50V）为3至6.5μm，含有5.0％ 粒径为（1.4×D≤50V）以下的粒子的体积或更少，并且包含5.0个数量以下的粒径为（0.6×数 - 中值粒径（D < SUB> 50

m）或更小的黑色调色剂;以及通过上述方法获得的用于电子照相的黑色调色剂，其中调色剂是用于非磁性单组分显影的调色剂，黑色调色剂用于显影形成的潜像 电子照相术，静电记录法，静电印刷法等。

公开(公告)号：US20060093942A1

公开(公告)日：2006-05-04

申请号：US11249330

申请日：2005-10-14

Applicant: Akihiro Eida

Inventor： Akihiro Eida

IPC: G03G9/08

CPC classification number: G03G9/081 ,  G03G9/0815 ,  G03G9/0817

Abstract: A process for preparing a toner including the steps of (I) melt-kneading a raw material mixture containing a resin binder, a colorant, and a positively chargeable charge control agent; (II) cooling the melt-kneaded mixture obtained in the step (I), and pulverizing the cooled mixture in the presence of a positively chargeable silica; and (III) classifying the pulverized product obtained in the step (II), wherein the positively chargeable silica in the step (II) is present in an amount of from 0.8 to 6 parts by weight, based on 100 parts by weight of the melt-kneaded mixture obtained in the step (I). The toner obtained according to the present invention can be used for, for example, developing a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method, or the like.

Abstract translation: 一种调色剂的制备方法，包括以下步骤：（I）熔融捏合含有树脂粘合剂，着色剂和带正电荷的电荷控制剂的原料混合物; （II）冷却步骤（I）中获得的熔融捏合混合物，并在可带正电的二氧化硅的存在下粉碎冷却的混合物; 和（III）对在步骤（II）中获得的粉碎产品进行分级，其中步骤（II）中的可带正电的二氧化硅以0.8至6重量份的量存在，基于100重量份的熔体 - 步骤（I）中获得的混合混合物。 根据本发明获得的调色剂可用于例如显影在电子照相术中形成的潜像，静电记录方法，静电印刷方法等。

公开(公告)号：US06913864B2

公开(公告)日：2005-07-05

申请号：US10186991

申请日：2002-07-02

Applicant: Jun Shimizu ,  Akihiro Eida

Inventor： Jun Shimizu ,  Akihiro Eida

IPC: G03G9/09

CPC classification number: G03G9/0908 ,  G03G9/0902 ,  G03G9/0906 ,  G03G9/0918

Abstract: A black toner comprising a resin binder; and a black colorant comprising a composite oxide of two or more metals and at least one of a blue dye or pigment and a green dye or pigment. The black toner can be suitably used for the development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.

Abstract translation: 包含树脂粘合剂的黑色调色剂; 以及包含两种或更多种金属和蓝色染料或颜料和绿色染料或颜料中的至少一种的复合氧化物的黑色着色剂。 黑色调色剂可适用于电子照相，静电记录法，静电印刷法等形成的潜像的显影。

公开(公告)号：US06509129B2

公开(公告)日：2003-01-21

申请号：US09954055

申请日：2001-09-18

Applicant: Akihiro Eida ,  Hiroyuki Kawaji

Inventor： Akihiro Eida ,  Hiroyuki Kawaji

IPC: G03G9087

CPC classification number: G03G9/08782 ,  G03G9/08722 ,  G03G9/08724 ,  G03G9/08733 ,  G03G9/08755 ,  G03G9/08795 ,  G03G9/08797

Abstract: A toner for electrophotography comprising Resin (A) and Resin (B), wherein Resin (A) comprises Resin (C) and a wax dispersed therein, wherein a difference between the softening point of Resin (C) and the melting point of the wax is within 20° C., and the softening point of Resin (B) is higher than the softening point of Resin (C), which can be used for developing electrostatic latent images formed in electrophotography, electrostatic recording method, electrostatic printing, toner jetting and the like.

公开(公告)号：US09017912B2

公开(公告)日：2015-04-28

申请号：US12835317

申请日：2010-07-13

Applicant: Akihiro Eida ,  Koji Kameyama ,  Eiji Shirai

Inventor： Akihiro Eida ,  Koji Kameyama ,  Eiji Shirai

IPC: G03G9/087 ,  G03G9/08

CPC classification number: G03G9/081 ,  G03G9/08708 ,  G03G9/08711 ,  G03G9/08797

Abstract: A method for producing a toner including the steps of melt-kneading at least a resin binder and a colorant to give a kneaded product (step 1); and heat-treating the kneaded product obtained in the step 1 (step 2), wherein the resin binder contains a crystalline resin and an amorphous resin, wherein the crystalline resin contains a specified composite resin containing (a) a specified polycondensation resin component and (b) a styrenic resin component, in a specified weight ratio, wherein the composite resin is contained in the resin binder in a specified amount. The toner obtained by the above method is used in, for example, the development of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.

Abstract translation: 一种制造调色剂的方法，包括以下步骤：将至少一种树脂粘合剂和着色剂熔融捏合，得到捏合产品（步骤1）; 对步骤1（步骤2）中得到的捏合物进行热处理，其中树脂粘合剂含有结晶性树脂和无定形树脂，其中，所述结晶性树脂含有特定的复合树脂，其含有（a）规定的缩聚树脂成分和（ b）以特定重量比的苯乙烯树脂组分，其中所述复合树脂以特定量包含在所述树脂粘合剂中。 通过上述方法获得的调色剂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。