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公开(公告)号：US20190047299A1
公开(公告)日：2019-02-14
申请号：US16077298
申请日：2017-02-02
发明人： Yuta MATSUMOTO , Ryuma MIZUSHIMA , Takahiro SATO , Kazuki WATANABE , Yasufumi UEDA , Tatsuo SHIGETA
摘要： The present invention relates to an ink-jet printing method that is capable of obtaining good printed materials that are free of occurrence of color migration and deformation of a printing medium even when printed on a resin printing medium. The present invention provides an ink-jet printing method using a water-based ink containing a black ink, a chromatic ink and a white ink which each contain a pigment (A), an organic solvent (C) having a boiling point of not lower than 90° C. and lower than 250° C., and water, said method including step 1 of ejecting at least one water-based ink selected from the group consisting of the black ink and the chromatic ink onto a transparent resin printing medium to print an image 1 on the printing medium; step 2 of ejecting the white ink onto the resulting image 1 to print a white image that covers the image 1 on the printing medium; and step 3 of heating and drying the resulting printed material from a side of a surface of the printing medium on which the white image is formed, using an infrared heater.
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公开(公告)号：US20190030918A1
公开(公告)日：2019-01-31
申请号：US16077131
申请日：2017-02-02
发明人： Yuta MATSUMOTO , Yasufumi UEDA , Tatsuo SHIGETA
摘要： The present invention relates to an ink-jet printing apparatus that is capable of obtaining printed materials having good appearance while maintaining high quality of printed characters or images even when printed on a resin printing medium using a water-based ink, and an ink-jet printing method. The present invention provides an ink-jet printing apparatus in which when setting a plurality of measuring positions of a printing medium including a position of the printing medium at which the printing medium is wound into a web roll in a web roll heating/supporting mechanism and positions of the printing medium which are respectively located just below a plurality of ink-jet printing heads, a plurality of temperature measuring devices measure temperatures of a surface of the printing medium at the plurality of measuring positions, respectively, and a heating amount control device controls a heating amount of the web roll heating/supporting mechanism and heating amounts of under heaters on the basis of the plural measured temperatures such that a difference between the temperatures measured in a portion of the printing medium to which a tension force is applied falls within the range of 10° C., and an ink-jet printing method using the ink-jet printing apparatus.
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公开(公告)号：US20180244093A1
公开(公告)日：2018-08-30
申请号：US15756364
申请日：2016-08-03
发明人： Tatsuo SHIGETA , Ryuma MIZUSHIMA , Yuta MATSUMOTO , Yasufumi UEDA
IPC分类号： B41M1/10 , B41F3/36 , B41F9/06 , C09D11/023
摘要： Provided is a gravure printing method by which high printing density and excellent highlight suitability are obtained, even if a gravure plate having high resolution and reduced thickness is used. The gravure printing method comprises: using an aqueous ink having a Zahn cup #3 viscosity at 20° C. of 11.0 seconds or more and 20.0 seconds or less, and having an evaporation rate of 30 mass % or less in a drying test, the drying test involving drying 1 g of the ink at a temperature of 40° C. and an air flow of 1,400 L/min for 30 minutes; and transferring 1 ml/m2 or more and 7 ml/m2 or less of the ink onto a printing medium.
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公开(公告)号：US20190039384A1
公开(公告)日：2019-02-07
申请号：US16076867
申请日：2017-02-02
发明人： Yuta MATSUMOTO , Kazuki WATANABE , Yasufumi UEDA , Tatsuo SHIGETA
摘要： The present invention relates to an ink-jet printing method that is capable of obtaining good printed materials that are free of occurrence of color migration and deformation of a printing medium even when printed on a transparent resin printing medium using a water-based ink containing a white ink, and a black or chromatic ink. The present invention provides an ink-jet printing method including the step of ejecting a water-based ink onto a printing medium using a printing apparatus to print characters or images on the printing medium, said printing apparatus including an ink-jet printing head that ejects the water-based ink onto the printing medium that is transported in a feeding direction thereof; and an drying mechanism that is disposed on a downstream side in a feeding direction of the printing medium, in which the printing medium is in the form of a transparent resin printing medium, and the water-based ink includes a white ink, and a black or chromatic ink, and in which the drying mechanism blows a superheated steam that is heated to a temperature of 100 to 180° C. onto at least one of a printing surface and an opposite surface of the printing medium.
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公开(公告)号：US20190039373A1
公开(公告)日：2019-02-07
申请号：US16077159
申请日：2017-02-02
发明人： Yuta MATSUMOTO , Kazuki WATANABE , Yasufumi UEDA , Tatsuo SHIGETA
IPC分类号： B41J2/135 , B41J11/02 , B41M5/00 , C09D11/322 , C09D11/40
摘要： The present invention relates to an ink-jet printing apparatus that is capable of obtaining printed materials that are free of occurrence of color migration and have good appearance even when printed on a resin printing medium using a water-based ink, and an ink-jet printing method. The present invention provides an ink-jet printing apparatus including an ink-jet printing head that ejects a water-based ink onto a resin printing medium that is transported in a feeding direction thereof, and an under heater that heats the printing medium from a rear side surface of the printing medium opposed to a front side surface thereof which faces to the ink-jet printing head, in which the under heater is disposed at a position spaced at a distance of from 0.05 to 3.0 mm apart from the rear side surface of the printing medium upon printing, and an ink-jet printing method using the ink-jet printing apparatus.
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公开(公告)号：US20180244932A1
公开(公告)日：2018-08-30
申请号：US15756341
申请日：2016-08-03
发明人： Tatsuo SHIGETA , Ryuma MIZUSHIMA , Yuta MATSUMOTO , Yasufumi UEDA
IPC分类号： C09D11/033 , C09D11/023 , C09D11/037 , C09D11/03
摘要： Provided is an aqueous gravure ink that is environmentally friendly, allows high-resolution printing by virtue of its excellent highlight suitability, and is excellent in drying property. The aqueous gravure ink comprises: a pigment; a polymer; a water-soluble organic solvent; a surfactant; and water, in which the water-soluble organic solvent has a boiling point of 100° C. or more and 260° C. or less, in which a content of the water-soluble organic solvent in the aqueous gravure ink is 10 mass % or more and 35 mass % or less, and in which a content of the water in the aqueous gravure ink is 50 mass % or more and 70 mass % or less.
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公开(公告)号：US20230312964A1
公开(公告)日：2023-10-05
申请号：US18043832
申请日：2020-10-21
申请人： KAO CORPORATION
发明人： Yuta MATSUMOTO , Todd TRITCAK
CPC分类号： C09D11/36 , C09D11/32 , B41M5/0047
摘要： An inkjet ink that includes (A) a terpene resin, (B) a solvent system that includes (B1) methyl ethyl ketone, and (C) a polyether modified silicone having a hydrophilic-lipophilic balance (HLB) value of 1 to 12, which is characterized by extended decap times, quick drying properties, and providing high image sharpness. A printed article including the inkjet ink in dried form, and a method of forming a printed image with a thermal inkjet printhead are also provided.
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公开(公告)号：US20210071022A1
公开(公告)日：2021-03-11
申请号：US16956102
申请日：2018-12-12
申请人： KAO CORPORATION
发明人： Azusa KURODA , Yuta MATSUMOTO
IPC分类号： C09D11/326 , C09D11/38 , C09D11/107 , C08K5/00 , C08K5/053 , C08K5/103 , C08K5/5415 , C08K5/1515 , C08K9/10 , C08F220/06 , C08F220/28 , C08F212/08 , B41J2/21 , B41M5/00
摘要： The present invention relates to a water-based ink containing a pigment (A), a water-soluble organic solvent (C), a surfactant (D) and water, in which a content of water in the water-based ink is not less than 40% by mass and not more than 65% by mass, a boiling point of the water-soluble organic solvent (C) is not higher than 230° C., and a content of a high-boiling point organic solvent having a boiling point of not lower than 250° C. in the water-based ink is not more than 4% by mass, and the surfactant (D) contains a silicone-based surfactant (d-1) and an acetylene glycol-based surfactant (d-2) which satisfy the following conditions 1 and 2: Condition 1: [(content of component (d-1))/(content of component (C))]×100=0.15 to 4; and Condition 2: [(content of component (d-2))/(content of component (C))]×100=0.35 to 1.65. In accordance with the present invention, it is possible to form ink dots having a complete circular shape and produce a printed material that is excellent in solid image fillability, image quality and rub fastness even when printed on a low-liquid absorbing printing medium.
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公开(公告)号：US20230312952A1
公开(公告)日：2023-10-05
申请号：US18245756
申请日：2020-10-21
申请人： KAO CORPORATION
发明人： Yuta MATSUMOTO , Daniel SANDKER
IPC分类号： C09D11/102 , C09D11/328 , C09D11/38 , C09D11/36 , C09D11/107 , B41M5/50 , B41J11/00
CPC分类号： C09D11/102 , C09D11/328 , C09D11/38 , C09D11/36 , C09D11/107 , B41M5/50 , B41J11/002
摘要： An inkjet ink that includes (A) a terpene phenol resin having a hydroxyl value of 10 to 80 mgKOH/g and (B) a carbonate ester whose boiling point is less than 150° C. A printed article including the inkjet ink in dried form, and a method of forming a printed image with a thermal inkjet printhead are also provided.
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公开(公告)号：US20190134989A1
公开(公告)日：2019-05-09
申请号：US16310771
申请日：2017-06-16
申请人： KAO CORPORATION
发明人： Yuta MATSUMOTO , Kazuki WATANABE , Azusa KURODA
IPC分类号： B41J2/21 , C09D11/322 , C09D11/38 , C09D11/40 , C09D11/033
摘要： The present invention relates to an ink-jet printing method that is capable of obtaining good printed characters or images which are free of occurrence of white lines or streaks irrespective of irradiation with an active energy ray. The present invention provides an ink-jet printing method including the steps of ejecting at least one ink A selected from the group consisting of a black ink and chromatic inks onto a low-liquid absorbing printing medium and then ejecting a white ink thereonto, in which the ink A contains at least one pigment selected from the group consisting of a black pigment and chromatic pigments, and a polymer dispersant containing a constitutional unit derived from a polyalkylene glycol (meth)acrylate; and the white ink contains titanium oxide and a polymer dispersant containing a constitutional unit derived from a polyalkylene glycol (meth)acrylate.
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