JP2007045985A5 - - Google Patents

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Publication number
JP2007045985A5
JP2007045985A5 JP2005233979A JP2005233979A JP2007045985A5 JP 2007045985 A5 JP2007045985 A5 JP 2007045985A5 JP 2005233979 A JP2005233979 A JP 2005233979A JP 2005233979 A JP2005233979 A JP 2005233979A JP 2007045985 A5 JP2007045985 A5 JP 2007045985A5
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JP
Japan
Prior art keywords
water
pigment
insoluble polymer
based ink
particle size
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Application number
JP2005233979A
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Japanese (ja)
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JP2007045985A (en
JP4076999B2 (en
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Priority claimed from JP2005233979A external-priority patent/JP4076999B2/en
Priority to JP2005233979A priority Critical patent/JP4076999B2/en
Priority to CN2006800294507A priority patent/CN101243145B/en
Priority to EP06782619.8A priority patent/EP1914281B1/en
Priority to PCT/JP2006/315815 priority patent/WO2007020867A1/en
Priority to US12/063,580 priority patent/US8048939B2/en
Publication of JP2007045985A publication Critical patent/JP2007045985A/en
Publication of JP2007045985A5 publication Critical patent/JP2007045985A5/ja
Publication of JP4076999B2 publication Critical patent/JP4076999B2/en
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Claims (8)

顔料を含有する水不溶性ポリマー粒子を含む、水系インクであって、該水不溶性ポリマー粒子の平均粒子径が０．０３〜０．２５μｍであり、該水不溶性ポリマー粒子のうち０．５７μｍ以上の粒子径を有するポリマー粒子の個数が１.２×１０7個/ｍｌ以下であり、かつ顔料を含有する水不溶性ポリマー粒子中、顔料と水不溶性ポリマーの含有比率［（顔料／水不溶性ポリマー）重量比］が、９０／１０〜１０／９０である、インクジェット記録用水系インク。 A water-based ink comprising water-insoluble polymer particles containing a pigment, wherein the water-insoluble polymer particles have an average particle size of 0.03 to 0.25 μm, and among the water-insoluble polymer particles, particles having a size of 0.57 μm or more The content ratio of the pigment and the water-insoluble polymer in the water-insoluble polymer particles having a diameter of 1.2 × 10 7 particles / ml or less and containing the pigment [(pigment / water-insoluble polymer) weight ratio ] Is an aqueous ink for ink-jet recording having a viscosity of 90/10 to 10/90 . 顔料を含有する水不溶性ポリマー粒子を含む、水系インクであって、顔料と水不溶性ポリマーの含有比率［（顔料／水不溶性ポリマー）重量比］が７５／２５〜１０／９０で、該水不溶性ポリマー粒子の平均粒子径が０．０３〜０．２５μｍであり、かつ該水不溶性ポリマー粒子のうち０．５７μｍ以上の粒子径を有するポリマー粒子の個数が１０×１０7個/ｍｌ以下であるインクジェット記録用水系インク。 A water-based ink comprising water-insoluble polymer particles containing a pigment, wherein the content ratio [(pigment / water-insoluble polymer) weight ratio] of the pigment to the water-insoluble polymer is 75/25 to 10/90. Inkjet recording in which the average particle size of the particles is 0.03 to 0.25 μm, and the number of polymer particles having a particle size of 0.57 μm or more among the water-insoluble polymer particles is 10 × 10 7 particles / ml or less. Water-based ink. 顔料の平均一次粒子径が、１０〜１００ｎｍである、請求項１又は２に記載のインクジェット記録用水系インク。 The water-based ink for inkjet recording according to claim 1 or 2 , wherein the pigment has an average primary particle diameter of 10 to 100 nm. 顔料を含有する水不溶性ポリマーを２〜２５重量％含有する、請求項１〜３のいずれかに記載のインクジェット記録用水系インク。 The water-based ink for inkjet recording according to any one of claims 1 to 3 , comprising 2 to 25% by weight of a water-insoluble polymer containing a pigment. 顔料を１〜２０重量％含有する、請求項１〜４のいずれかに記載のインクジェット記録用水系インク。 The water-based ink for inkjet recording according to any one of claims 1 to 4 , comprising 1 to 20% by weight of a pigment. 顔料の平均一次粒子径に対する顔料を含有する水不溶性ポリマー粒子の平均粒子径の比（顔料を含有する水不溶性ポリマー粒子の平均粒子径／顔料の平均一次粒子径）が、１.００１〜４である、請求項１〜５のいずれかに記載のインクジェット記録用水系インク。 The ratio of the average particle size of the water-insoluble polymer particles containing the pigment to the average primary particle size of the pigment (average particle size of the water-insoluble polymer particles containing the pigment / average primary particle size of the pigment) is 0.001-4. The water-based ink for inkjet recording according to any one of claims 1 to 5 . 水不溶性ポリマーが、３〜３０重量％の塩生成基含有モノマーと、１０〜７０重量％の疎水性モノマー及び／又は５〜５０重量％のマクロマーとを含む混合物を共重合してなる水不溶性ポリマーである、請求項１〜６のいずれかに記載のインクジェット記録用水系インク。 A water-insoluble polymer is obtained by copolymerizing a mixture containing 3 to 30% by weight of a salt-forming group-containing monomer and 10 to 70% by weight of a hydrophobic monomer and / or 5 to 50% by weight of a macromer. in it, the ink-jet recording water-based ink according to any one of claims 1-6. 請求項１〜７のいずれかに記載の水系インクの製造方法であって、下記工程（１）及び（２）を含む分散体を製造する工程を有するインクジェット記録用水系インクの製造方法。
工程（１）：水不溶性ポリマー、有機溶媒、顔料、及び水を含有する混合物を分散メディアを用いた分散機で湿式粉砕する工程
工程（２）：工程（１）で得られた分散体から前記有機溶媒を除去する工程 The method for producing a water-based ink according to any one of claims 1 to 7 , which comprises a step of producing a dispersion comprising the following steps (1) and (2).
Step (1): Step of wet-grinding a mixture containing a water-insoluble polymer, an organic solvent, a pigment, and water with a disperser using a dispersion medium Step (2): From the dispersion obtained in Step (1) Step of removing organic solvent
JP2005233979A 2005-08-12 2005-08-12 Water-based ink for inkjet recording Active JP4076999B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2005233979A JP4076999B2 (en) 2005-08-12 2005-08-12 Water-based ink for inkjet recording
US12/063,580 US8048939B2 (en) 2005-08-12 2006-08-10 Water base ink for inkjet recording
EP06782619.8A EP1914281B1 (en) 2005-08-12 2006-08-10 Water base ink for inkjet recording
PCT/JP2006/315815 WO2007020867A1 (en) 2005-08-12 2006-08-10 Water base ink for inkjet recording
CN2006800294507A CN101243145B (en) 2005-08-12 2006-08-10 Water base ink for inkjet recording

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005233979A JP4076999B2 (en) 2005-08-12 2005-08-12 Water-based ink for inkjet recording

Publications (3)

Publication Number Publication Date
JP2007045985A JP2007045985A (en) 2007-02-22
JP2007045985A5 true JP2007045985A5 (en) 2007-07-19
JP4076999B2 JP4076999B2 (en) 2008-04-16

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ID=37849083

Family Applications (1)

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JP2005233979A Active JP4076999B2 (en) 2005-08-12 2005-08-12 Water-based ink for inkjet recording

Country Status (2)

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JP (1) JP4076999B2 (en)
CN (1) CN101243145B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5902393B2 (en) * 2011-03-03 2016-04-13 ブラザー工業株式会社 Droplet discharge head inspection method, droplet discharge head manufacturing method, and inspection liquid
JP7141791B2 (en) 2017-12-27 2022-09-26 花王株式会社 Method for producing aqueous pigment dispersion

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3982030B2 (en) * 1997-11-11 2007-09-26 富士ゼロックス株式会社 Ink jet recording ink and ink jet recording method
DE69934213T2 (en) * 1998-12-28 2007-09-27 Kao Corp. AQUEOUS INK FOR INK RADIATION RECORDING
JP2001187851A (en) * 1999-12-28 2001-07-10 Kao Corp Aqueous ink for ink-jet recording
JP2004026947A (en) * 2002-06-24 2004-01-29 Mitsubishi Paper Mills Ltd Water-based pigment inkjet ink and recordings
JP3907191B2 (en) * 2002-12-27 2007-04-18 花王株式会社 Water-based ink
JP2004083786A (en) * 2002-08-28 2004-03-18 Dainippon Ink & Chem Inc Method of manufacturing aqueous pigment dispersion
JP2004155818A (en) * 2002-11-01 2004-06-03 Mitsubishi Chemicals Corp Pigment-containing resin fine particle and method for producing the same and ink using the same fine particle
JP4284988B2 (en) * 2002-12-12 2009-06-24 コニカミノルタホールディングス株式会社 Aqueous dispersion, ink jet ink and image forming method
JP2005042011A (en) * 2003-07-22 2005-02-17 Kao Corp Water-based ink

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