JP2005206615A5 - - Google Patents

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JP2005206615A5
JP2005206615A5 JP2003432747A JP2003432747A JP2005206615A5 JP 2005206615 A5 JP2005206615 A5 JP 2005206615A5 JP 2003432747 A JP2003432747 A JP 2003432747A JP 2003432747 A JP2003432747 A JP 2003432747A JP 2005206615 A5 JP2005206615 A5 JP 2005206615A5
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ink
water
aqueous
group
image
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JP2003432747A
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JP2005206615A (en
JP4612793B2 (en
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Claims (19)

水と、種類の異なる複数の水溶性有機溶剤と、水不溶性色材とを含有する水性インクにおいて、該複数の水溶性有機溶剤が、上記水不溶性色材に対する良溶媒と、上記水不溶性色材に対する貧溶媒であって、該インク中における良溶媒の全量（質量％）をＡ、該インク中における貧溶媒の全量（質量％）をＢとした場合に、Ａ：Ｂが１０：５以上１０：３０以下の範囲内にあり、
且つ、上記複数の水溶性有機溶剤の各々の、ブリストウ法によって求められるＫａ値を比較したときに、この中で最大のＫａ値を示す水溶性有機溶剤が貧溶媒であることを特徴とする水性インク。 A water-based ink containing water, a plurality of different types of water-soluble organic solvents, and a water-insoluble colorant, wherein the plurality of water-soluble organic solvents are a good solvent for the water-insoluble colorant and the water-insoluble colorant. a poor solvent for the total amount of good solvent in the ink (% by mass) a total amount of the poor solvent (mass%) in the case of the B in the ink, a: B is 10: 5 over 10 : Within 30 or less,
In addition, when comparing the Ka values obtained by the Bristow method for each of the plurality of water-soluble organic solvents, the water-soluble organic solvent exhibiting the maximum Ka value is a poor solvent. ink. 前記水不溶性色材が、分散剤として樹脂を用いる樹脂分散型顔料、マイクロカプセル型顔料、自己分散型顔料の何れかである請求項１に記載の水性インク。 The water-based ink according to claim 1, wherein the water-insoluble colorant is any one of a resin-dispersed pigment, a microcapsule-type pigment, and a self-dispersed pigment that uses a resin as a dispersant. 前記水不溶性色材が、自己分散型の、有機顔料又はカーボンブラックであり、且つ、その粒子表面に少なくとも１種の親水性基を有し、該親水性基が直接若しくは他の原子団を介して粒子表面に結合している請求項１に記載の水性インク。 The water-insoluble colorant is a self-dispersing organic pigment or carbon black, and has at least one hydrophilic group on the particle surface, and the hydrophilic group is directly or via other atomic groups. The water-based ink according to claim 1, wherein the water-based ink is bound to the particle surface. 前記親水性基が、−ＣＯＯＭ１、−ＳＯ3Ｍ１、及び−ＰＯ3Ｈ（Ｍ１）2（但し、式中のＭ１は、水素原子、アルカリ金属、アンモニウム及び有機アンモニウムの何れかを表わす。）からなる群から選ばれる請求項３に記載の水性インク。 The hydrophilic group is from —COOM1, —SO 3 M1, and —PO 3 H (M1) 2 (wherein M1 represents any one of a hydrogen atom, an alkali metal, ammonium, and organic ammonium). The water-based ink according to claim 3, which is selected from the group consisting of: 前記他の原子団が、炭素原子数１〜１２のアルキレン基、置換若しくは未置換のフェニレン基、及び置換若しくは未置換のナフチレン基からなる群から選ばれる請求項３又は４に記載の水性インク。 The water-based ink according to claim 3 or 4 , wherein the other atomic group is selected from the group consisting of an alkylene group having 1 to 12 carbon atoms, a substituted or unsubstituted phenylene group, and a substituted or unsubstituted naphthylene group. ブリストウ法によって求められるＫａ値が、１．５（ｍｌ／ｍ2／ｍｓｅｃ1/2）未満である請求項１〜５の何れか１項に記載の水性インク。 The aqueous ink according to any one of claims 1 to 5 , wherein the Ka value obtained by the Bristow method is less than 1.5 (ml / m 2 / msec 1/2 ). ブリストウ法によって求められるＫａ値が０．２（ｍｌ／ｍ2／ｍｓｅｃ1/2）以上である請求項１又は６に記載の水性インク。 The aqueous ink according to claim 1 or 6, wherein the Ka value obtained by the Bristow method is 0.2 (ml / m 2 / msec 1/2 ) or more. 前記水不溶性色材のインク全量に対する割合が、０．１〜１５質量％である請求項１〜７の何れか１項に記載の水性インク。 Ratio total ink of the water-insoluble colorant is an aqueous ink according to any one of claim 1 to 7, which is a 0.1 to 15 mass%. 前記水不溶性色材のインク全量に対する割合が、１〜１０質量％である請求項１〜８の何れか１項に記載の水性インク。 The water-based ink according to any one of claims 1 to 8 , wherein a ratio of the water-insoluble colorant to the total amount of the ink is 1 to 10% by mass. インクジェット用である請求項１〜９の何れか１項に記載の水性インク。 The water-based ink according to any one of claims 1 to 9 , which is used for inkjet. 請求項１０に記載の水性インクをインクジェット方法で吐出する工程を少なくとも有することを特徴とするインクジェット記録方法。 An ink jet recording method characterized by comprising at least a step of discharging an aqueous ink described in the inkjet method in claim 1 0. 前記インクジェット方法が、熱エネルギーをインクに与えて気泡を発生させることにより液滴を吐出させる方式のインクジェット記録方法である請求項１１に記載のインクジェット記録方法。 The inkjet method, an ink jet recording method according to claim 1 1 is an ink jet recording method method of ejecting liquid droplets by thermal energy given to the ink to generate bubbles. 請求項１〜１０の何れか１項に記載の水性インクが収容されていることを特徴とするインクカートリッジ。 An ink cartridge containing the water-based ink according to any one of claims 1 to 10 . 請求項１０に記載の水性インクを収容しているインク収容部と、該インクを吐出させるためのインクジェットヘッドとを具備していることを特徴とする記録ユニット。 Recording unit, characterized in that it comprises an ink container portion containing an aqueous ink according to claim 1 0, and the ink jet head for ejecting the ink. 請求項１０に記載の水性インクを収容しているインク収容部と、該インクを吐出させるためのインクジェットヘッドとを具備していることを特徴とするインクジェット記録装置。 An ink container portion containing an aqueous ink according to claim 1 0, an ink jet recording apparatus characterized in that it comprises the ink jet head for ejecting the ink. ブラックインクと少なくとも１色の水性カラーインクとを用いて普通紙にインクジェット記録を行う画像形成方法であって、ブラックインクに請求項１０に記載の水性インクを用い、且つ、該ブラックインクによって形成される画像と、カラーインクによって形成される画像とが隣接してなる画像を形成する際に、ブラックインクを付与する走査を行って画像を形成した後、該画像が形成された領域にカラーインクを付与する走査を行うことを特徴とする画像形成方法。 An image forming method for performing ink jet recording on plain paper by using a black ink and an aqueous color ink of at least one color, using an aqueous ink according to claim 1 0 in the black ink, and, formed by the black ink When forming an image in which an image formed by color ink and an image formed by color ink are adjacent to each other, after forming an image by performing scanning that applies black ink, color ink is applied to the region where the image is formed An image forming method characterized by performing scanning for imparting the above. ブラックインクを付与する走査を行った後、少なくとも１走査分、間を空けた後にカラーインクを付与する走査を行う請求項１６に記載の画像形成方法。 The image forming method according to claim 16 , wherein after performing scanning for applying black ink, scanning for applying color ink is performed after at least one scanning interval. ブラックインクを吐出させるための吐出口列と、カラーインクの吐出口列が副走査方向にずれて配置されている記録ヘッドを用いてインクの付与を行う請求項１６又は１７に記載の画像形成方法。 The image formation according to claim 16 or 17 , wherein ink is applied using a recording head in which an ejection port array for ejecting black ink and an ejection port array for color ink are arranged shifted in the sub-scanning direction. Method. インクの付与を、熱エネルギーをインクに与えて気泡を発生させることにより液滴を吐出させる方式のインクジェット記録方法によって行う請求項１６〜１８の何れか１項に記載の画像形成方法。 The image forming method according to any one of claims 16 to 18, wherein the ink is applied by an ink jet recording method in which droplets are ejected by generating bubbles by applying thermal energy to the ink.
JP2003432747A 2002-12-27 2003-12-26 Inkjet recording method Expired - Fee Related JP4612793B2 (en)

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JP2002382045 2002-12-27
JP2003127599 2003-05-02
JP2003127476 2003-05-02
JP2003425520 2003-12-22
JP2003432747A JP4612793B2 (en) 2002-12-27 2003-12-26 Inkjet recording method

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JP2005206615A JP2005206615A (en) 2005-08-04
JP2005206615A5 true JP2005206615A5 (en) 2007-02-15
JP4612793B2 JP4612793B2 (en) 2011-01-12

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WO2006001545A1 (en) * 2004-06-28 2006-01-05 Canon Kabushiki Kaisha Aqueous ink, inkjet recording method, ink cartridge, recording unit, inkjet recorder, and image forming method
RU2343175C2 (en) 2004-06-28 2009-01-10 Кэнон Кабусики Кайся Water-base ink, ink set and method of image formation
EP1764397B1 (en) * 2004-06-28 2010-06-09 Canon Kabushiki Kaisha Cyan ink and ink set
JP5938815B2 (en) 2006-05-25 2016-06-22 キヤノン株式会社 Aqueous ink, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus
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JP4980962B2 (en) * 2007-03-30 2012-07-18 富士フイルム株式会社 Droplet discharge method and droplet discharge apparatus
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JP5932198B2 (en) * 2007-05-11 2016-06-08 キヤノン株式会社 Ink set, ink jet recording method, ink cartridge, recording unit, and ink jet recording apparatus
JP2011105865A (en) * 2009-11-18 2011-06-02 Fujifilm Corp Ink set and image-forming method
WO2015074857A1 (en) * 2013-11-19 2015-05-28 Memjet Technology Limited Method of printing pigment-based inks, ink set, inks and printers therefor
JP2016135577A (en) * 2015-01-23 2016-07-28 株式会社ミマキエンジニアリング Inkjet printing method, and ink jet printer
JP7260899B2 (en) * 2019-02-04 2023-04-19 サンノプコ株式会社 PRINTABILITY IMPROVEMENT AQUEOUS INK COMPOSITION CONTAINING THE SAME

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