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公开(公告)号：US11680179B2
公开(公告)日：2023-06-20
申请号：US17634358
申请日：2021-08-11
发明人： Gosuke Kikutsuji , Yohei Konda
IPC分类号： C09D11/40 , B41M5/00 , B41M7/00 , C09D11/101 , C09D11/107 , C09D11/38 , C09D11/54 , B41J2/01 , B41J2/21
CPC分类号： C09D11/40 , B41J2/01 , B41J2/21 , B41M5/0023 , B41M7/0081 , C09D11/101 , C09D11/107 , C09D11/38 , C09D11/54
摘要： By the use of an ultraviolet curable inkjet ink set for a line head printer comprising a lower layer ink containing a polymerizable monomer having a specific structure, and, a specific photopolymerization initiator, and an upper layer ink containing a polymerizable monomer having a specific structure and a specific photopolymerization initiator, wherein among the lower layer ink and the upper layer ink, one of the inks is a white ink and the other ink is a black ink, a good printed matter having excellent adhesion between a recording medium and the ink layer, and, between different ink layers can be obtained without generating curing wrinkles and curling over time even during high speed printing.
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公开(公告)号：US11866593B2
公开(公告)日：2024-01-09
申请号：US17634332
申请日：2021-08-11
发明人： Yohei Konda , Gosuke Kikutsuji
IPC分类号： C09D11/38 , C09D11/101 , C09D11/326
CPC分类号： C09D11/101 , C09D11/326 , C09D11/38
摘要： By use of an ultraviolet curable inkjet ink comprising a colorant, a polymerizable monomer having a specific structure, ethoxyphenyl(2,4,6-trimethylbenzoyl)phosphine oxide, and at least one type selected from the group consisting of an acylphosphine oxide photopolymerization initiator different than the ethoxyphenyl(2,4,6-trimethylbenzoyl)phosphine oxide, a benzophenone photopolymerization initiator, and an indane photopolymerization initiator, wherein the ratio of the content of the polymerizable monomer having the specific structure and the content of the ethoxyphenyl(2,4,6-trimethylbenzoyl)phosphine oxide is 2:1 to 8.5:1 by mass ratio, the content of a monofunctional monomer in the ultraviolet curable inkjet ink is 25% by mass or less, a printed matter having curability and coating film flexibility can be obtained regardless of the amount applied to a recording medium, and the discharge stability is also excellent.
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公开(公告)号：US11292928B2
公开(公告)日：2022-04-05
申请号：US16768310
申请日：2019-11-21
发明人： Yohei Konda , Hiroyuki Yoshida
IPC分类号： C09D11/107 , B41J11/00 , B41M5/00 , C09D11/101 , C09D11/322 , C09D11/38
摘要： An active energy ray-curable inkjet ink containing polymerizable compounds and a polymerization initiator, wherein the polymerizable compounds include at least 5 types of polyfunctional polymerizable compounds having molecular weights within a range from 150 to 500, and include substantially no monofunctional polymerizable compounds.
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公开(公告)号：US10538723B2
公开(公告)日：2020-01-21
申请号：US14784380
申请日：2014-04-16
发明人： Yuji Kameyama , Yohei Konda , Kazuhiro Jonai
IPC分类号： C11D7/50 , B41J2/165 , C11D3/37 , C09D11/36 , C09D11/101 , C09D11/322
摘要： Provided is a non-aqueous maintenance liquid for an active energy ray-curable inkjet ink which can be used as a cleaning liquid for removing the inkjet ink and as a preserving liquid to fill the head when the printer is not in operation. The non-aqueous maintenance liquid for an active energy ray-curable inkjet ink of the present invention comprises a main liquid component, a pigment dispersant resin, and a surface control agent, wherein the main liquid component is an organic solvent and/or an active energy ray-curable compound, and the amount of the surface control agent is 0.01 to 10% by weight in 100% by weight of the maintenance liquid.
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公开(公告)号：US09284466B2
公开(公告)日：2016-03-15
申请号：US13855965
申请日：2013-04-03
发明人： Yohei Konda , Yuji Kameyama , Kazuhiro Jonai
IPC分类号： C09D11/40 , C09D11/101 , C09D11/38
CPC分类号： C09D11/40 , C09D11/101 , C09D11/38
摘要： To provide an active energy ray-curable inkjet ink set including ink of at least two different colors, wherein a blending amount of a surface tension adjusting agent to be blended in ink of each color is 1.0 to 5.0% by weight with respect to a total amount of the ink of each color, a difference in the blending amount of the surface tension adjusting agent in the ink of each color is 0.5% by weight or less with respect to a total amount of the ink of each color according to an order of printing, and a difference between maximum and minimum in the blending amount of the surface tension adjusting agent in the ink of each color is made to be 2% by weight or less.
摘要翻译： 为了提供包含至少两种不同颜色的油墨的活性能量射线固化型喷墨油墨组，其中每种颜色的油墨中混合的表面张力调节剂的配合量相对于总量为1.0-5.0重量％ 每种颜色的油墨量，每种颜色的油墨中的表面张力调节剂的混合量的差异相对于每种颜色的油墨的总量为0.5重量％以下，根据 将各种颜色的油墨中的表面张力调节剂的混合量的最大值和最小值的差别设定为2重量％以下。
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