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公开(公告)号：US10253197B2
公开(公告)日：2019-04-09
申请号：US15910097
申请日：2018-03-02
发明人： Kenichi Shiiba , Kenji Moribe , Daiji Okamura , Kousuke Yamasaki
IPC分类号： B41J2/21 , C09D11/322 , C08G18/48 , C08G18/66 , C08G18/72 , C08G18/73 , C08G18/75 , C08G18/76 , C09D11/102 , C08L33/04
摘要： To provide an aqueous ink for ink jet enabling the recording of an image having excellent character quality and excellent highlighter resistance immediately after the recording. An aqueous ink for ink jet includes a pigment and a urethane resin. The urethane resin has a unit derived from a polyisocyanate, a unit derived from a polyol having no acid group and a unit derived from a polyol having an acid group, the proportion of a unit derived from the polyol having an acid group present at the molecular terminal relative to the whole unit derived from the polyol having an acid group is 30% or less, and the aqueous ink has a dynamic surface tension of 55 mN/m or more at a lifetime of 10 msec.
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公开(公告)号：US09387679B2
公开(公告)日：2016-07-12
申请号：US14568562
申请日：2014-12-12
发明人： Kenichi Shiiba , Masashi Ogasawara , Daiji Okamura , Kousuke Yamasaki , Atsushi Takahashi , Tomoyuki Tenkawa
IPC分类号： B41J2/165
CPC分类号： B41J2/16526 , B41J2/16532 , B41J2/16538
摘要： An ink jet recording method for recording an image onto a recording medium by ejecting an aqueous ink containing a resin from an ejection orifice through use of an ink jet recording apparatus including a recording head having a water-repellent face subjected to water-repellent treatment as an ejection orifice face provided with an ejection orifice; a wiping unit configured to wipe the water-repellent face; and a heating unit configured to heat the water-repellent face, the ink jet recording method including a heating step of wiping the water-repellent face with the wiping unit after heating the water-repellent face with the heating unit and continuously heating the water-repellent face until after the wiping of the water-repellent face.
摘要翻译： 一种喷墨记录方法，用于通过使用包括具有防水处理的防水面的记录头的喷墨记录装置从喷射口喷射含有树脂的水性油墨将图像记录到记录介质上， 具有喷射孔的喷射孔面; 擦拭单元，其构造成擦拭所述拒水面; 以及加热单元，其构造成加热所述拒水面，所述喷墨记录方法包括在用所述加热单元加热所述防水面之后用所述擦拭单元擦拭所述防水面的加热步骤，并且连续地加热所述防水面， 驱除面部，直到擦拭面部。
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公开(公告)号：US09169413B2
公开(公告)日：2015-10-27
申请号：US13860927
申请日：2013-04-11
发明人： Kenichi Shiiba , Daiji Okamura , Kousuke Yamasaki
IPC分类号： B41J2/01 , B41J2/05 , B41J2/17 , B41J2/175 , B60C1/00 , C08G18/08 , C08G18/28 , C08G18/80 , C08G73/10 , C08K3/04 , C08K3/20 , C08K5/05 , C08K5/34 , C08K5/3435 , C08K5/3492 , C08L75/00 , C09D5/00 , C09D11/00 , G01D11/00 , C09D11/322 , C09D175/04 , C09D11/30 , C09D7/12 , C09D7/02 , C09D5/02 , C09D175/08 , C09D7/00 , C09D11/324 , C09D175/00 , C09D11/40 , C09D11/38
CPC分类号： C09D11/322 , B41J2/01 , B41J2/05 , B41J2/17 , B41J2/175 , B41J2/17503 , C09D5/00 , C09D5/022 , C09D5/028 , C09D7/41 , C09D7/45 , C09D7/62 , C09D7/63 , C09D11/00 , C09D11/30 , C09D11/324 , C09D11/38 , C09D11/40 , C09D175/00 , C09D175/04 , C09D175/08
摘要： The invention provides an ink containing a self-dispersion pigment in which a phosphonic acid group is bonded directly or through another atomic group to the surface thereof and a polyurethane polymer, wherein the surface charge amount of the self-dispersion pigment is 0.25 mmol/g or more and 0.42 mmol/g or less, and the polyurethane polymer has units respectively derived from a polyisocyanate, a polyether polyol having no acid group and a diol having an acid group.
摘要翻译： 本发明提供一种含有自分散颜料的油墨，其中膦酸基团直接或通过另一个原子团与其表面键合，其中自分散颜料的表面带电量为0.25mmol / g 以上且0.42mmol / g以下，聚氨酯类聚合物分别具有来自多异氰酸酯，不含酸基的聚醚多元醇和具有酸基的二醇的单元。
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公开(公告)号：US10259963B2
公开(公告)日：2019-04-16
申请号：US15912911
申请日：2018-03-06
发明人： Aiko Masada , Kenichi Shiiba , Yuki Nishino , Kenji Moribe
IPC分类号： B41M5/00 , B41J2/175 , B41J29/02 , C09D11/38 , C09D11/033 , C09D11/037 , C09D11/102 , C09D11/322 , C09D11/326
摘要： To provide an aqueous ink that can suppress the dissolution of silicon or a silicon compound contained in a recording head, can be stably, continuously ejected for a long time, and enables the recording of an image having excellent glossiness. An aqueous ink for ink jet includes a pigment, a resin dispersant for dispersing the pigment, an alkanolamine and a urethane resin. The pigment is a solid solution containing C.I. Pigment Red 122 and C.I. Pigment Violet 19, and the proportion (% by mass) of the C.I. Pigment Red 122 is 10% by mass or more to 90% by mass or less based on the total mass of the solid solution.
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公开(公告)号：US20180258299A1
公开(公告)日：2018-09-13
申请号：US15912813
申请日：2018-03-06
发明人： Kuniaki Fujimoto , Kenji Moribe , Kenichi Shiiba , Yuki Nishino
IPC分类号： C09D11/322 , C09D11/324 , C09D11/38
CPC分类号： C09D11/322 , B41J2/17503 , B41J2/17513 , B41J2/1752 , B41J2/1753 , B41J2/17553 , B41J29/02 , C09D11/10 , C09D11/324 , C09D11/38
摘要： Provided is an aqueous ink that enables the recording of images having high optical density and excellent toughness and has excellent reliability. An aqueous ink for ink jet includes a pigment, a resin having an anionic group, a salt and a water-soluble organic solvent. The pigment is a self-dispersible pigment in which an anionic group is bonded to the particle surface of carbon black directly or through another atomic group, the resin has a weight-average molecular weight of 20,000 or less, the water-soluble organic solvent includes glycerol and an additional solvent other than glycerol, and the content (% by mass) of the additional solvent relative to the content (% by mass) of glycerol in terms of mass ratio is 0.6 times or less.
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公开(公告)号：US09499704B2
公开(公告)日：2016-11-22
申请号：US14559825
申请日：2014-12-03
发明人： Daiji Okamura , Kousuke Yamasaki , Kenichi Shiiba
IPC分类号： B41J2/21 , C09D11/102 , C09D11/30
CPC分类号： C09D11/102 , B41J2/2107 , C09D11/30
摘要： An aqueous ink for ink jet contains a urethane resin. The urethane resin has a unit derived from a polyether polyol and a unit containing an acidic group. The acid value of the urethane resin is 40 to 140 mg KOH/g. The molar ratio of urethane bonds/urea bonds is 80.0/20.0 or more. Some of the acidic groups in the urethane resin are neutralized with particular neutralizing agents.
摘要翻译： 用于喷墨的水性油墨含有聚氨酯树脂。 聚氨酯树脂具有源自聚醚多元醇的单元和含有酸性基团的单元。 聚氨酯树脂的酸值为40〜140mgKOH / g。 氨基甲酸酯键/脲键的摩尔比为80.0 / 20.0以上。 聚氨酯树脂中的一些酸性基团被特定的中和剂中和。
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公开(公告)号：US20130300804A1
公开(公告)日：2013-11-14
申请号：US13860940
申请日：2013-04-11
发明人： Daiji Okamura , Kousuke Yamasaki , Kenichi Shiiba
CPC分类号： B41J2/17503 , B41J2/05 , C09D11/324 , C09D11/38
摘要： The invention provides an ink containing a polyurethane polymer which has units respectively derived from a polyisocyanate, a polyether polyol having no acid group and a diol having an acid group and has an acid value of 40 mg KOH/g or more and 140 mg KOH/g or less, a carbon black and at least one antioxidant selected from compounds represented by the general formulae (1) to (3).
摘要翻译： 本发明提供了含有聚氨酯聚合物的油墨，其具有分别衍生自多异氰酸酯的单元，不具有酸基的聚醚多元醇和具有酸基的二醇，其酸值为40mg KOH / g以上且140mgKOH / g以下的碳黑和至少一种选自通式（1）〜（3）所示的化合物的抗氧化剂。
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公开(公告)号：US10280323B2
公开(公告)日：2019-05-07
申请号：US15912813
申请日：2018-03-06
发明人： Kuniaki Fujimoto , Kenji Moribe , Kenichi Shiiba , Yuki Nishino
IPC分类号： C09D11/38 , C09D11/322 , C09D11/324 , B41J2/175
摘要： Provided is an aqueous ink that enables the recording of images having high optical density and excellent toughness and has excellent reliability. An aqueous ink for ink jet includes a pigment, a resin having an anionic group, a salt and a water-soluble organic solvent. The pigment is a self-dispersible pigment in which an anionic group is bonded to the particle surface of carbon black directly or through another atomic group, the resin has a weight-average molecular weight of 20,000 or less, the water-soluble organic solvent includes glycerol and an additional solvent other than glycerol, and the content (% by mass) of the additional solvent relative to the content (% by mass) of glycerol in terms of mass ratio is 0.6 times or less.
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公开(公告)号：US09505941B2
公开(公告)日：2016-11-29
申请号：US13888132
申请日：2013-05-06
IPC分类号： B41J2/21 , C09D11/324
CPC分类号： C09D11/324 , B41J2/2107 , C09D11/102 , C09D11/107
摘要： An ink used for an inkjet recording method for discharging the ink from a recording head by an action of thermal energy contains self-dispersing carbon black, a polyurethane polymer having an acid value of 40 mg KOH/g or more, and an acryl polymer having an acid value of 100 mg KOH/g or more and 200 mg KOH/g or less.
摘要翻译： 用于通过热能作用从记录头排出油墨的喷墨记录方法的油墨包含自分散炭黑，酸值为40mg KOH / g以上的聚氨酯聚合物和具有 酸值为100mg KOH / g以上且200mg KOH / g以下。
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公开(公告)号：US20150183220A1
公开(公告)日：2015-07-02
申请号：US14568562
申请日：2014-12-12
发明人： Kenichi Shiiba , Masashi Ogasawara , Daiji Okamura , Kousuke Yamasaki , Atsushi Takahashi , Tomoyuki Tenkawa
IPC分类号： B41J2/165
CPC分类号： B41J2/16526 , B41J2/16532 , B41J2/16538
摘要： An ink jet recording method for recording an image onto a recording medium by ejecting an aqueous ink containing a resin from an ejection orifice through use of an ink jet recording apparatus including a recording head having a water-repellent face subjected to water-repellent treatment as an ejection orifice face provided with an ejection orifice; a wiping unit configured to wipe the water-repellent face; and a heating unit configured to heat the water-repellent face, the ink jet recording method including a heating step of wiping the water-repellent face with the wiping unit after heating the water-repellent face with the heating unit and continuously heating the water-repellent face until after the wiping of the water-repellent face.
摘要翻译： 一种喷墨记录方法，用于通过使用包括具有防水处理的防水面的记录头的喷墨记录装置从喷射口喷射含有树脂的水性油墨将图像记录到记录介质上， 具有喷射孔的喷射孔面; 擦拭单元，其构造成擦拭所述拒水面; 以及加热单元，其构造成加热所述拒水面，所述喷墨记录方法包括在用所述加热单元加热所述防水面之后用所述擦拭单元擦拭所述防水面的加热步骤，并且连续地加热所述防水面， 驱除面部，直到擦拭面部。
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