公开(公告)号：US20210292586A1

公开(公告)日：2021-09-23

申请号：US17266229

申请日：2019-07-26

Applicant: KAO CORPORATION

Inventor： Tomohiko NAGANO ,  Teruyuki FUKUDA ,  Takahiro MAEDA

IPC: C09D11/40 ,  C09D11/38 ,  C09D11/322 ,  C09D11/033 ,  C09D11/037 ,  C09D11/107 ,  B41M5/00

Abstract: The present invention relates to [1] a water-based ink for ink-jet printing, containing a carbodiimide compound, a pigment, a vinyl polymer and water, in which the vinyl polymer is a carboxyl group-containing polymer having an acid value of not more than 70 mgKOH/g, and the pigment is present in the form of pigment-containing polymer particles; [2] an ink set for ink-jet printing containing an aqueous composition containing the carbodiimide compound and water, and a water-based ink containing the aforementioned pigment and the aforementioned vinyl polymer; and [3] an ink-jet printing method including the step 1 of ejecting the carbodiimide compound, the pigment, the vinyl polymer and water onto a surface of a printing medium by an ink-jetting method to print characters or images thereon, and the step 2 of subjecting the resulting printed characters or images to heat treatment at a temperature of 50 to 200° C. According to the aqueous composition of the present invention, it is possible to obtain a printed material that is excellent in rub fatness.

公开(公告)号：US20210238437A1

公开(公告)日：2021-08-05

申请号：US17049140

申请日：2019-04-23

Applicant: KAO CORPORATION

Inventor： Takahiro MAEDA ,  Teruyuki FUKUDA ,  Tomohiko NAGANO

IPC: C09D11/54 ,  C09D11/322 ,  C09D11/102 ,  B41M5/00

Abstract: The present invention relates to [1] an aqueous composition for ink-jet printing, containing a blocked isocyanate A, at least one compound B selected from the group consisting of a carbodiimide compound and an oxazoline compound, and water; [2] a coating liquid for ink-jet printing, containing the aqueous composition described in the above [1]; [3] an ink set for ink-jet printing, containing the aqueous composition described in the above [1], and a water-based ink containing a pigment, in which at least one of the aqueous composition and the water-based ink contains a resin containing a reactive group that is capable of undergoing a crosslinking reaction at least with the compound B; and [4] an ink-jet printing method using the aqueous composition described in the above [1], and a water-based ink containing a pigment, in which at least one of the aqueous composition and the water-based ink contains the resin containing a reactive group that is capable of undergoing a crosslinking reaction at least with the compound B, said ink-jet printing method including the steps 1 and 2.

公开(公告)号：US20240174875A1

公开(公告)日：2024-05-30

申请号：US18551074

申请日：2022-03-18

Applicant: KAO CORPORATION

Inventor： Tomohiko NAGANO ,  Shimpei KOBAYASHI ,  Hiroto SOMA ,  Shu NAGASHIMA ,  Yuki OZAKI

IPC: C09D11/326 ,  C09D17/00

CPC classification number: C09D11/326 ,  C09D17/001

Abstract: A pigment water dispersion, including pigment-containing polyester resin particles. The polyester resin contains a constitutional unit derived from an alcohol component and a constitutional unit derived from a carboxylic acid component, the alcohol component contains 3-methyl-1,5-pentanediol, and an average particle size of the pigment-containing resin particles is not less than 60 nm and not more than 350 nm.

公开(公告)号：US20230407118A1

公开(公告)日：2023-12-21

申请号：US18254061

申请日：2021-11-25

Applicant: KAO CORPORATION

Inventor： Tomohiko NAGANO ,  Hiroto SOMA ,  Shu NAGASHIMA

IPC: C09D11/322 ,  C09D7/40 ,  C09D167/02 ,  C09D7/65

CPC classification number: C09D11/322 ,  C09D7/67 ,  C09D7/68 ,  C09D167/025 ,  C09D7/65

Abstract: A pigment water dispersion including pigment-containing polyester resin particles. An alcohol component as a raw material monomer of the polyester resin satisfies the following conditions 1 and 2. Condition 1: a content of a compound (I) represented by the following formula (I) in the alcohol component is not more than 7 mol %,




wherein OR1 and R2O are each independently an oxyalkylene group comprising not less than 1 and not more than 4 carbon atoms, and x and y are each independently a positive number of not less than 0. Condition 2: a content of a compound (II) comprising two secondary hydroxy groups except for the compound (I) in the alcohol component is not less than 45 mol %.

公开(公告)号：US20200255683A1

公开(公告)日：2020-08-13

申请号：US16756084

申请日：2018-10-15

Applicant: KAO CORPORATION

Inventor： Tsuyoshi EGAWA ,  Kaname MITSUYOSHI ,  Tomohiko NAGANO

IPC: C09D11/40 ,  C09D11/322 ,  C09D11/108 ,  B41M5/00

Abstract: The present invention relates to an ink set for ink-jet printing which contains at least a water-based ink (I) and a water-based ink (II) in which the water-based ink (I) contains a pigment (A1) having a barbituric acid-derived structure, and the water-based ink (II) contains a diketopyrrolopyrrole pigment (A2), an ink-jet printing method using the ink set, and an ink-jet printed material.

公开(公告)号：US20210317325A1

公开(公告)日：2021-10-14

申请号：US17266389

申请日：2019-07-26

Applicant: KAO CORPORATION

Inventor： Tomohiko NAGANO ,  Teruyuki FUKUDA ,  Takahiro MAEDA

IPC: C09D11/328 ,  C09D11/54 ,  C09D11/104 ,  B41M5/00

Abstract: The present invention relates to [1] an aqueous composition for ink-jet printing, containing a carbodiimide compound, a polyester resin and water; [2] a ink set for ink-jet printing containing an aqueous composition a containing a carbodiimide compound and water, and an aqueous composition b containing a polyester resin; [3] an ink set for ink-jet printing, containing the aforementioned aqueous composition for ink-jet printing and a water-based ink containing a colorant; and [4] an ink-jet printing method including the step 1 of ejecting a carbodiimide compound, a polyester resin, a colorant and water onto a surface of a printing medium by an ink-jetting method to print characters or images thereon; and the step 2 of subjecting the resulting printed characters or images to heat treatment at a temperature of 50 to 200° C. According to the aqueous composition of the present invention, it is possible to obtain a printed material that is excellent in rub fatness.

公开(公告)号：US20210309875A1

公开(公告)日：2021-10-07

申请号：US17266346

申请日：2019-07-26

Applicant: KAO CORPORATION

Inventor： Tomohiko NAGANO ,  Teruyuki FUKUDA ,  Takahiro MAEDA

IPC: C09D11/322

Abstract: The present invention relates to [1] an aqueous composition for ink-jet printing containing a carbodiimide compound, a vinyl polymer and water, in which the vinyl polymer is dispersed in the aqueous composition in the form of polymer particles formed by partially neutralizing carboxy groups of the vinyl polymer with a basic compound having a boiling point of not higher than 130° C.; [2] an ink set for ink-jet printing containing an aqueous composition a containing a carbodiimide compound and water, and an aqueous composition b containing a vinyl polymer; and [3] an ink-jet printing method including the step 1 of ejecting a carbodiimide compound, a pigment, a vinyl polymer and water by an ink-jetting method to print characters or images, and the step 2 of subjecting the resulting printed characters or images to heat treatment at a temperature of 50 to 200° C. According to the aqueous composition of the present invention, it is possible to obtain a printed material that is excellent in rub fatness.

公开(公告)号：US20210115359A1

公开(公告)日：2021-04-22

申请号：US16981850

申请日：2019-03-13

Applicant: KAO CORPORATION

Inventor： Tomohiko NAGANO ,  Teruyuki FUKUDA ,  Takahiro MAEDA

IPC: C11D3/30 ,  C11D3/43 ,  C11D11/00

Abstract: The present invention relates to a cleaning agent composition having an excellent cleaning power against a hard surface to which a polymer is adhered even under a room temperature condition, and provides [1] a cleaning agent composition containing a water-soluble organic amine (a), an alkylamine oxide (b) represented by the following general formula (1), an organic solvent (c) having a Hansen solubility parameter (HSP value) of 15 to 19.5 as measured at 20° C., and water; and [2] a method of cleaning a heard surface, including the step of cleaning the hard surface using the aforementioned cleaning agent composition at a temperature of not lower than 45° C. and not higher than 85° C.; (R1)(R2)(R3)N→O   (1) wherein R1 and R2 are each independently an alkyl group or alkenyl group having 1 to 3 carbon atoms, and R3 is an alkyl group or alkenyl group having 8 to 16 carbon atoms.