公开(公告)号：US20230091707A1

公开(公告)日：2023-03-23

申请号：US17908929

申请日：2021-03-05

Applicant: KAO CORPORATION

Inventor： Norihiro FUKURI ,  Hiroki KAKIUCHI

IPC: C08L95/00

Abstract: The present invention provides an asphalt composition containing an asphalt and a polyester, the polyester being a polycondensate of a polyethylene terephthalate, an alcohol, and a carboxylic acid compound, the polyethylene terephthalate having a value of [(a quantity of heat absorbed in a DSC measurement)−(a quantity of heat generated in a DSC measurement)] of 5 J/g or more and 30 J/g or less and having an intrinsic viscosity (IV) of 0.6 or more and 1.05 or less.

公开(公告)号：US20210147295A1

公开(公告)日：2021-05-20

申请号：US17096207

申请日：2020-11-12

Applicant: KAO CORPORATION

Inventor： Norihiro FUKURI

IPC: C04B26/26 ,  C04B24/28 ,  C04B18/02

Abstract: The present invention relates to an asphalt composition containing asphalt and a polyester, wherein the polyester includes an alcohol component-derived structural unit including an alkylene oxide adduct of bisphenol A and an alkylene glycol compound having 3 or more carbon atoms (exclusive of the alkylene oxide adduct of bisphenol A).

公开(公告)号：US20130330666A1

公开(公告)日：2013-12-12

申请号：US13910592

申请日：2013-06-05

Applicant: KAO CORPORATION

Inventor： Norihiro FUKURI

IPC: G03G9/087

CPC classification number: G03G9/08755 ,  G03G9/09328 ,  G03G9/09364 ,  G03G9/09392

Abstract: The present invention relates to a toner for electrophotography including core-shell particles each including a core containing a amorphous composite resin (A) which contains a segment (A1) formed of a polyester resin and a segment (A2) formed of a styrene-containing addition polymer as a constitutional unit thereof and a shell containing a amorphous resin (B) obtained by polycondensing an alcohol component containing an aliphatic diol having 2 to 6 carbon atoms with a carboxylic acid component.

Abstract translation: 本发明涉及一种电子照相用调色剂，其包括核 - 壳颗粒，每个核 - 壳颗粒均包含含有由聚酯树脂形成的链段（A1）的无定型复合树脂（A）的核心和由含苯乙烯的 作为其结构单元的加成聚合物和含有通过使含有2〜6个碳原子的脂肪族二元醇的醇成分与羧酸成分缩聚得到的无定形树脂（B）的壳。

公开(公告)号：US20190072867A1

公开(公告)日：2019-03-07

申请号：US16114495

申请日：2018-08-28

Applicant: KAO CORPORATION

Inventor： Norihiro FUKURI ,  Takashi Kubo

IPC: G03G9/087

CPC classification number: G03G9/08755 ,  C08G63/547 ,  C08G63/672 ,  G03G9/08795 ,  G03G9/08797

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.

公开(公告)号：US20130330667A1

公开(公告)日：2013-12-12

申请号：US13910630

申请日：2013-06-05

Applicant: KAO CORPORATION

Inventor： Norihiro FUKURI

IPC: G03G9/093

CPC classification number: G03G9/09392 ,  G03G9/09321 ,  G03G9/09328 ,  G03G9/09371

Abstract: The present invention relates to a toner for electrophotography which is excellent in low-temperature fusing ability and heat-resistant storage property as well as charging stability under high-temperature and high-humidity conditions and smear resistance (rubbing fixability), and a process for producing the toner. The toner for electrophotography according to the present invention includes core-shell particles each including a core containing a amorphous resin (A) obtained by polycondensing an alcohol component containing an aliphatic diol having 2 to 6 carbon atoms with a carboxylic acid component and a shell containing a amorphous composite resin (B) which contains a segment (B1) formed of a polyester resin and a segment (B2) formed of a styrene-containing addition polymer as a constitutional unit thereof.

Abstract translation: 本发明涉及一种电子照相用调色剂，它具有优异的低温融合性和耐热储存性，以及在高温高湿条件下的充电稳定性和耐沾污性（摩擦定影性） 产生调色剂。 根据本发明的电子照相用调色剂包括核 - 壳颗粒，每个核 - 壳颗粒均包含含有通过将含有2至6个碳原子的脂族二醇的醇组分与羧酸组分缩聚得到的无定形树脂（A）的芯， 含有由聚酯树脂形成的链段（B1）和由含苯乙烯的加成聚合物形成的链段（B2）作为其结构单元的非晶复合树脂（B）。

公开(公告)号：US20230125029A1

公开(公告)日：2023-04-20

申请号：US17908606

申请日：2021-03-05

Applicant: KAO CORPORATION

Inventor： Yusuke AKINO ,  Norihiro FUKURI ,  Hirotaka KASHIWAGI

IPC: C08L95/00 ,  C08F36/06 ,  C08F212/08 ,  C08F220/20 ,  C08L53/02 ,  C08L23/08 ,  E01C7/26

Abstract: The present invention provides an asphalt composition obtained by blending an asphalt and an addition polymerization-type polymer, the addition polymerization-type polymer having a hydroxyl value of 10 mgKOH/g or more and 60 mgKOH/g or less and having a weight average molecular weight (Mw) of 2,500 or more and 70,000 or less.

公开(公告)号：US20200254805A1

公开(公告)日：2020-08-13

申请号：US16636515

申请日：2018-11-21

Applicant: KAO CORPORATION

Inventor： Norihiro FUKURI ,  Hiroto SOMA ,  Christopher JOHNSON

IPC: B41M5/52 ,  C08L67/02

Abstract: A resin dispersion for dye receiving layer of a thermal transfer image-receiving sheet, including a polyester resin particle and an aqueous medium. The polyester resin particle includes a polyester resin that is a polycondensate of an alcohol component including at least one of a propylene oxide adduct of 2,2-bis(4-hydroxyphenyl)propane and an ethylene oxide adduct of 2,2-bis(4-hydroxyphenyl)propane, and a carboxylic acid component including an aliphatic dicarboxylic acid compound having a carbon number of 6 or more and 10 or less. A molar ratio of the propylene oxide adduct of 2,2-bis(4-hydroxyphenyl)propane to the ethylene oxide adduct of 2,2-bis(4-hydroxyphenyl)propane in the alcohol component is 0/100 or more and 40/60 or less. A molar ratio of the ethylene oxide adduct of 2,2-bis(4-hydroxyphenyl)propane to the aliphatic dicarboxylic acid compound having a carbon number of 6 or more and 10 or less is 2.1 or more and 15 or less.

公开(公告)号：US20230250290A1

公开(公告)日：2023-08-10

申请号：US18013076

申请日：2021-06-29

Applicant: KAO CORPORATION

Inventor： Hirotaka KASHIWAGI ,  Yusuke AKINO ,  Norihiro FUKURI

IPC: C08L95/00 ,  C08G63/183

CPC classification number: C08L95/00 ,  C08G63/183 ,  C08L2555/22 ,  C08L2555/24 ,  C08L2555/52 ,  C08L2555/80

Abstract: The present invention provides an asphalt modifier composed of a crystalline polyester that has a structural unit derived from an alcohol component containing a linear aliphatic alcohol and a structural unit derived from a carboxylic acid component, the crystalline polyester having a melting point of 65° C. or higher and 160° C. or lower.

公开(公告)号：US20190161575A1

公开(公告)日：2019-05-30

申请号：US16114437

申请日：2018-08-28

Applicant: KAO CORPORATION

Inventor： Norihiro FUKURI ,  Christopher JOHNSON

IPC: C08G63/676 ,  G03G9/087

Abstract: Embodiments of the present invention are concerned with a method for producing a binder resin composition, from which a toner having excellent low-temperature fusing property, heat-resistant storage stability, durability, and image density is obtained, a binder resin composition, and a toner for development of electrostatic images including the binder resin composition.Embodiments according to the present invention are concerned with the following [1] to [3]. [1] A method for producing a binder resin composition including the following steps (1) and (2): step (1): mixing an aromatic alcohol A1 including an alkylene oxide adduct of bisphenol A and at least one carboxylic acid compound selected from fumaric acid and maleic acid; and step (2): further adding an aromatic alcohol A2 including an alkylene oxide adduct of bisphenol A to the mixture obtained in the step (1) and mixing, wherein the binder resin composition includes a polyester resin having an acid value of 14 mgKOH/g or more and 30 mgKOH/g or less, and a total content of fumaric acid and maleic acid is 700 ppm by mass or less relative to the binder resin composition; and in the steps (1) and (2), a total amount of fumaric acid and maleic acid is 95 parts by mol or more and 105 parts by mol or less on the basis of 100 parts by mol of a total amount of the aromatic alcohol A1 and the aromatic alcohol A2. [2] A toner for development of electrostatic images, including the binder resin composition obtained by the production method as set forth in [1]. [3] A binder resin composition including a polyester resin that is a polycondensate of an alcohol component including an alkylene oxide adduct of bisphenol A and a carboxylic acid component including at least one carboxylic acid compound selected from fumaric acid and maleic acid, wherein the polyester resin has an acid value of 14 mgKOH/g or more and 30 mgKOH/g or less, and in the binder resin composition, a total content of fumaric acid and maleic acid is 700 ppm by mass or less relative to the binder resin composition, and a total amount of fumaric acid and maleic acid is 95 parts by mol or more and 105 parts by mol or less on the basis of 100 parts by mol of a total amount of the alcohol component.

公开(公告)号：US20140363765A1

公开(公告)日：2014-12-11

申请号：US14265822

申请日：2014-04-30

Applicant: Kao Corporation

Inventor： Norihiro FUKURI ,  Eiji SHIRAI

IPC: G03G9/08

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

Abstract: A method for producing a toner for electrostatic image development, including the steps of (1) polycondensing an alcohol component, a carboxylic acid component, and polyethylene terephthalate to provide an amorphous polyester; and (2) subjecting the amorphous polyester obtained in the step (1) and components containing a crystalline polyester in an amount of from 0.3 to 2.5 times the mass of the components derived from the polyethylene terephthalate in the amorphous polyester to a process for producing a toner. The toner for electrostatic image development obtained by the method of the present invention is suitably used in development or the like of latent images formed in, for example, an electrophotographic 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，包括以下步骤：（1）将醇组分，羧酸组分和聚对苯二甲酸乙二醇酯缩聚得到无定形聚酯; 和（2）使在步骤（1）中获得的无定形聚酯和含有结晶聚酯的组分的量为非晶聚酯中衍生自聚对苯二甲酸乙二醇酯的组分的质量的0.3至2.5倍， 墨粉 通过本发明的方法获得的用于静电图像显影的调色剂适用于在例如电子照相方法，静电记录方法，静电印刷方法等中形成的潜像的显影等中。