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公开(公告)号：US20180136575A1
公开(公告)日：2018-05-17
申请号：US15572687
申请日：2016-05-18
Applicant: Kao Corporation
Inventor： Tomohide YOSHIDA , Shoichi MURATA , Manabu SUZUKI , Eiji SHIRAI
CPC classification number: G03G9/08786 , G03G9/081 , G03G9/08704 , G03G9/08722 , G03G9/08755 , G03G9/08782 , G03G9/08795 , G03G9/08797
Abstract: The present invention provides a toner for development of electrostatic images including a polyester-based resin and a polypropylene-based wax, which is excellent in fusing properties on a polypropylene film. The present invention relates to [1] a resin binder composition for toners for development of electrostatic images which has an endothermic amount ratio ΔHCW/W of not less than 0.10 and not more than 0.80, [2] a resin binder composition for toners for development of electrostatic images in which a volume-median particle size (D50) of a wax as a whole contained therein is not less than 1 μm and not more than 50 μm; a volume-median particle size (D50) of a small particle size component of the wax is not less than 20 nm and not more than 400 nm; and a content of the small particle size component in the wax is not less than 20% by mass and not more than 90% by mass, [3] a process for producing a resin binder composition for toners for development of electrostatic images in which a polypropylene-based wax is added to a reaction system prior to addition polymerization upon production of a composite resin as a resin binder; and [4] a toner for development of electrostatic images including the resin binder composition as described in the above [1] or [2].
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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。
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3.发明申请公开(公告)号：US20250163273A1
公开(公告)日：2025-05-22
申请号：US18954640
申请日：2024-11-21
Applicant: KAO CORPORATION
Inventor： Machiko IE-KONO , Mohand MELBOUCI , Martin THOMPSON , Eiji SHIRAI
IPC: C08L95/00
Abstract: The present invention relates to: a method for producing an asphalt composition that contains a matrix part containing an asphalt and a domain part containing a polyester, the method including melting the asphalt and the polyester to produce a molten product, and applying a breaking force to the molten product; and an asphalt composition containing a matrix part and a domain part, the matrix part containing an asphalt, the domain part containing a polyester, the domain part having a number average longest diameter of ≤20 μm.
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Patent Agency Ranking
公开(公告)号：US20250163272A1
公开(公告)日：2025-05-22
申请号：US18954605
申请日：2024-11-21
Applicant: KAO CORPORATION
Inventor： Machiko IE-KONO , Mohand MELBOUCI , Martin THOMPSON , Eiji SHIRAI
Abstract: The present invention provides: a method for producing an aqueous emulsion of a polyester, the method including adding an aqueous dispersion of a polyester to a soap solution of a cationic surfactant, the polyester in the aqueous dispersion having a negative value zeta potential; and an aqueous emulsion of a polyester, containing an a polyester and a cationic surfactant, particles containing the polyester having a positive value zeta potential and a volume average particle diameter of ≤300 nm.
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公开(公告)号：US20200181409A1
公开(公告)日：2020-06-11
申请号：US16071316
申请日：2017-01-18
Applicant: KAO CORPORATION , KAO CHEMICALS EUROPE S.L.
Inventor： Agusti BUENO PERISÉ , Eiji SHIRAI
Abstract: Provided are an asphalt composition for road pavement, which is excellent in drying strength, strength after immersion in water, and strength after immersion in petroleum, a method for producing the same, and a road paving method.[1] An asphalt composition for road pavement including asphalt, a polyester resin, and an aggregate, wherein the polyester resin is a polyester having an alcohol component-derived constituent unit containing 65 mol % or more of an alkylene oxide adduct of bisphenol A and a carboxylic acid component-derived constituent unit containing 50 mol % or more of at least one selected from the group consisting of terephthalic acid and isophthalic acid and has a softening point of 95° C. or higher and 130° C. or lower and a hydroxyl group value of 20 mgKOH/g or more and 50 mgKOH/g or less, and a ratio of the polyester resin is 5 parts by mass or more and 50 parts by mass or less based on 100 parts by mass of the asphalt; [2] a method for producing an asphalt composition for road pavement including a step of mixing asphalt, a polyester resin, and an aggregate at 130° C. or higher and 200° C. or lower for 30 seconds or more, wherein the polyester resin is a polyester having an alcohol component-derived constituent unit containing 65 mol % or more of an alkylene oxide adduct of bisphenol A and a carboxylic acid component-derived constituent unit containing 50 mol % or more of at least one selected from the group consisting of terephthalic acid and isophthalic acid and has a softening point of 95° C. or higher and 130° C. or lower and a hydroxyl group value of 20 mgKOH/g or more and 50 mgKOH/g or less, and the polyester resin is mixed in a ratio of 5 parts by mass or more and 50 parts by mass or less based on 100 parts by mass of the asphalt; and [3] a road paving method including a step of laying an asphalt composition obtained by the method as set forth above in [2], thereby forming an asphalt paving material layer, are disclosed.
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公开(公告)号：US20190317416A1
公开(公告)日：2019-10-17
申请号：US16318525
申请日：2017-07-18
Applicant: KAO CORPORATION
Inventor： Eiji SHIRAI , Tomohide YOSHIDA
Abstract: The present invention relates to a binder resin composition for toners for development of electrostatic images capable of giving a toner excellent in fusing properties on PP films, a toner for development of electrostatic images containing the binder resin composition, a printing method using the toner, and a printed material. [1] A binder resin composition for toners for development of electrostatic images, including a polyester-based resin and polyolefin particles, wherein the polyolefin particles contain a polymer having a polymer skeleton of olefin having 2 or more and 3 or less carbon atoms, the volume median diameter (D50) of a small particle size component, as measured according to a dynamic light scattering method using a dispersion S of a small particle size component obtainable according to Methods 1 and 2, is 20 nm or more and 400 nm or less, the content of a large particle size component obtainable according to Method 2 is 0% by mass or more and 30% by mass or less relative to the total amount of the large particle size component and the small particle size component, and the content of the small particle size component is 70% by mass or more and 100% by mass or less relative to the total amount of the large particle size component and the small particle size component, and the melting endothermic energy amount of the small particle size component is 3 J/g or more and 10 J/g or less; [2] a toner for development of electrostatic images including the binder resin composition for toners for development of electrostatic images according to the above [1] in an amount of 20% by mass or more and 100% by mass or less in the binder resin therein, and including a releasing agent having a melting point of 60° C. or higher and 100° C. or lower in an amount of 1 part by mass or more and 10 parts by mass or less relative to 100 parts by mass of the binder resin; [3] a printing method including printing on a plastic film according to an electrophotographic method with the toner for development of electrostatic images according to the above [2]; and [4] a printed material obtainable according to the method of the above [3].
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公开(公告)号：US20190233647A1
公开(公告)日：2019-08-01
申请号：US16318921
申请日：2017-07-18
Applicant: KAO CORPORATION
Inventor： Hiromichi TAKAHASHI , Ryoji IWAMOTO , Ryoichi HASHIMOTO , Eiji SHIRAI
CPC classification number: C08L95/005 , C08K3/00 , C08L67/02 , C08L95/00 , C08L101/02 , C08L2555/52 , C08L2555/80 , E01C7/30
Abstract: The present invention relates to an asphalt composition which is excellent in storage stability at a high temperature, an asphalt mixture, a method for producing the same, and a road paving method. Provided are [1] an asphalt composition containing asphalt, a polyester resin, and a dispersant; [2] an asphalt mixture containing the asphalt composition as set forth above in [1] and an aggregate; [3] a road paving method including a step of laying the asphalt mixture as set forth above in [2], thereby forming an asphalt paving material layer; and [4] a method for producing an asphalt mixture including mixing asphalt, a polyester resin, a dispersant, and an aggregate at 130° C. or higher and 200° C. or lower.
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公开(公告)号：US20190135693A1
公开(公告)日：2019-05-09
申请号：US16099011
申请日：2017-01-16
Applicant: KAO CORPORATION
Inventor： Eiji SHIRAI
Abstract: The present invention relates to an asphalt composition for road pavement, which is excellent in drying strength, strength after immersion in water, and bending strength, a method for producing the same, and a road paving method. [1] An asphalt composition for road pavement including asphalt, a polyester resin and an aggregate, wherein the polyester resin is a specific polyester, and the ratio of the polyester resin is 2 parts by mass or more and 30 parts by mass or less based on 100 parts by mass of asphalt; [2] a method for producing an asphalt composition for road pavement, including a step of mixing asphalt, a polyester resin, and an aggregate at 130° C. or higher and 200° C. or lower, wherein the polyester resin is the polyester in [1], and the ratio of the polyester resin is 2 parts by mass or more and 30 parts by mass or less based on 100 parts by mass of asphalt; and [3] a road paving method including a step of laying the asphalt composition obtained by the method of [2], thereby forming an asphalt paving material layer.
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