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公开(公告)号：US11453792B2
公开(公告)日：2022-09-27
申请号：US16478197
申请日：2017-12-22
摘要： The invention provides a magenta ink for inkjet which yields distinct images having high gloss and no density irregularities or voids upon inkjet printing onto low-absorption substrates, exhibits excellent discharge stability after long standby periods, and can provide excellent drying properties even during high-speed printing; and also provides an ink set that can suppress mixed color bleeding and achieve superior color reproducibility.
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公开(公告)号：US11427723B2
公开(公告)日：2022-08-30
申请号：US16077046
申请日：2018-04-17
IPC分类号： C09D11/322 , B41J2/21 , C08K5/053 , C08L25/14 , C08L83/04
摘要： One embodiment relates to an aqueous inkjet ink containing a pigment (A), a polymer compound (B), a water-soluble organic solvent (C) and a surfactant (D), wherein the water-soluble organic solvent (C) includes ethylene glycol and/or 1,3-propanediol (c1), and a water-soluble organic solvent (c2) having a specific static surface tension, the acid value of the polymer compound (B), the amount of water-soluble organic solvent having a boiling point at 1 atmosphere of 240° C. or higher, and the weight average boiling point at 1 atmosphere for the water-soluble organic solvent (C) are all prescribed values, and the blend amounts of the various components satisfy specific relationships.
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公开(公告)号：US11352516B2
公开(公告)日：2022-06-07
申请号：US16626050
申请日：2018-04-17
发明人： Atsushi Yoda , Yoshihito Suzuki , Mayuko Okamoto , Kazuhiro Jonai , Norio Suzuki
IPC分类号： C09D11/322 , B41J2/21 , B41M5/00 , B41M5/50 , C09D11/107 , C09D11/108 , C09D11/38
摘要： One embodiment relates to a water-based inkjet ink containing at least water, a pigment, a water-soluble organic solvent and a binder resin, wherein the water-soluble organic solvent contains at least a water-soluble organic solvent having a surface tension of 30 to 50 mN/m and a boiling point at 1 atmosphere of 180 to 230° C., in an amount of 15 to 50% by weight relative to the total weight of the water-based inkjet ink, and the acid value of the binder resin is at least 5 mgKOH/g but less than 60 mgKOH/g.
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公开(公告)号：US10995227B2
公开(公告)日：2021-05-04
申请号：US16084563
申请日：2017-03-14
IPC分类号： C09D11/322 , C09D11/38 , B41M5/00
摘要： A water-based ink-jet which at least contains a pigment, a water-soluble organic solvent, and a surfactant (A), wherein the water-soluble organic solvent is a water-soluble organic solvent having an HLB value determined by Griffin's method of 8 or less, the water-soluble organic solvent being contained in an amount of 10-50 wt % with respect to the total weight of the water based ink-jet ink, and the surfactant (A) comprises an acetylenediol-based surfactant (a1) having an HLD value determined by Griffin's method of 3 or less.
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公开(公告)号：US10647867B2
公开(公告)日：2020-05-12
申请号：US15551912
申请日：2016-02-18
IPC分类号： C09D11/40 , C09D11/322 , C09D11/326 , B41M5/00 , C09D11/104 , C09D11/102 , C09D11/107
摘要： The present invention relates to an ink set for inkjet recording containing a white ink and color inks including a cyan ink, a magenta ink and a yellow ink, wherein each ink independently contains a pigment, a pigment dispersing resin, an organic solvent and water, the pigment dispersing resin A of either the white ink or the color inks has an alkyl chain with a carbon number of 10 or greater, the pigment dispersing resin B of the other of the white ink or the color inks has a polyoxyalkylene chain, and the pigment dispersing resin A and the pigment dispersing resin B are different resins. According to the present invention, an ink set for inkjet recording can be provided that exhibits excellent printability during high-speed printing, even when printing onto less permeable substrates, and is capable of producing sharp image quality with little mixed color bleeding.
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