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：US20200216698A1

公开(公告)日：2020-07-09

申请号：US16640995

申请日：2017-08-24

Applicant: KAO CORPORATION

Inventor： Teruyuki FUKUDA ,  Satoshi KUNII ,  Satoshi TANAKA ,  Yuki SUZUKI

IPC: C09D11/38 ,  C09D11/324 ,  C09D11/107 ,  B41M5/00

Abstract: The present invention relates to a liquid composition for ink-jet printing which is capable of forming a protective film on a liquid ejection head of an ink-jet type to enhance insulating properties for the liquid ejection head, an image-forming method, a method of forming the protective film, a storing method, and a use of the liquid composition. The present invention provides [1] a liquid composition for ink-jet printing which contains not less than 0.01% by mass and not more than 1.50% by mass of a compound represented by the following formula (1) or a salt thereof, not less than 0.05% by mass and not more than 35% by mass of a compound represented by the following formula (2), and water, [2] an ink-jet image-forming method including the step of ejecting the liquid composition for ink-jet printing according to the above [1] from a liquid ejection head of an ink-jet type including an ejection energy-generating element to form characters or images, [3] a method of forming a protective film on a liquid ejection head of an ink-jet type including an ejection energy-generating element, including the step of applying a voltage to the ejection energy-generating element under such a condition that the ejection energy-generating element is allowed to contact with the liquid composition according to the above [1], [4] a method of storing a liquid ejection head of an ink-jet type including an ejection energy-generating element, including the steps of applying a voltage to the ejection energy-generating element under such a condition that the ejection energy-generating element is allowed to contact with the liquid composition according to the above [1], and filling the liquid ejection head with an ink after the step of applying a voltage, and [5] a use of the liquid composition according to the above [1], as a filling liquid or an ink; R1—O-(AO)j(CH2CH2O)n—B—COOH  (1), and R2—O-(AO)k(CH2CH2O)m—H  (2).

公开(公告)号：US20190309180A1

公开(公告)日：2019-10-10

申请号：US16061855

申请日：2016-12-16

Applicant: KAO CORPORATION

Inventor： Satoshi TANAKA ,  Takeshi ASHIZAWA ,  Teruyuki FUKUDA

IPC: C09D11/326 ,  C09D17/00 ,  C09D11/037 ,  C09D11/033 ,  C09D11/107 ,  B41M5/00

Abstract: The present invention relates to [1] a process for producing a pigment water dispersion, including step 1 of mixing a water dispersion (A) formed by dispersing a pigment (I) with a water-dispersible polymer and a water dispersion (B) of a self-dispersible pigment (II) to obtain a water dispersion (C); and step 2 of subjecting the water dispersion (C) obtained in the step 1 to heat treatment at a temperature of not lower than 40° C. to obtain the pigment water dispersion, and [2] a pigment water dispersion containing a pigment (I) dispersed with a water-dispersible polymer and a self-dispersible pigment (II), in which the water-dispersible polymer is adsorbed onto the pigment (I) and the self-dispersible pigment (II).

公开(公告)号：US20160297981A1

公开(公告)日：2016-10-13

申请号：US14392279

申请日：2014-06-24

Applicant: KAO CORPORATION

Inventor： Takeshi ASHIZAWA ,  Teruyuki FUKUDA ,  Satoshi TANAKA

IPC: C09D11/38 ,  B41J2/04 ,  C09D11/322 ,  C09D11/033 ,  C09D11/107

CPC classification number: C09D11/38 ,  B41J2/04 ,  C09D11/033 ,  C09D11/107 ,  C09D11/322

Abstract: The present invention relates to a process for producing a water-based ink for ink-jet printing, including the step of dispersing a pigment in a polymer by means of a disperser using dispersing media particles containing a zirconium compound to introduce the solid zirconium compound into the water-based ink, the water-based ink including the pigment-containing polymer particles and the solid zirconium compound, and having a zirconium compound content of not less than 2 ppm and not more than 200 ppm in terms of a concentration of zirconium in the water-based ink.

Abstract translation: 本发明涉及一种喷墨印刷用水性油墨的制造方法，其特征在于，包括使用含有锆化合物的分散介质粒子，通过分散机将颜料分散在聚合物中的步骤，将固体锆化合物引入 水性油墨，包含含颜料的聚合物颗粒和固体锆化合物的水性油墨，并且锆化合物含量以锆的浓度计不小于2ppm且不大于200ppm 水性油墨。