JP2006206626A5 - - Google Patents

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Publication number
JP2006206626A5
JP2006206626A5 JP2005016530A JP2005016530A JP2006206626A5 JP 2006206626 A5 JP2006206626 A5 JP 2006206626A5 JP 2005016530 A JP2005016530 A JP 2005016530A JP 2005016530 A JP2005016530 A JP 2005016530A JP 2006206626 A5 JP2006206626 A5 JP 2006206626A5
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JP
Japan
Prior art keywords
pigment
water
aqueous
pigment dispersion
aqueous pigment
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Pending
Application number
JP2005016530A
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Japanese (ja)
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JP2006206626A (en
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Publication date
Application filed filed Critical
Priority to JP2005016530A priority Critical patent/JP2006206626A/en
Priority claimed from JP2005016530A external-priority patent/JP2006206626A/en
Publication of JP2006206626A publication Critical patent/JP2006206626A/en
Publication of JP2006206626A5 publication Critical patent/JP2006206626A5/ja
Pending legal-status Critical Current

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Claims (6)

（Ａ）有機顔料、（Ｂ）該有機顔料にスルホン酸基が導入された顔料誘導体、および／または該有機顔料が有する化学構造の一部と同一の化学構造を有する顔料にスルホン酸基が導入された顔料誘導体、（Ｃ）水、（Ｄ）水溶性有機溶媒を含有する水性顔料分散液であって、水性顔料分散液の２５℃での表面張力が２５〜６０ｍＮ/ｍであり、かつ、水性顔料分散液中の（Ａ）有機顔料と（Ｂ）顔料誘導体とからなる固形分の濃度が４重量％のときの、水性顔料分散液中に含まれる硫酸イオン濃度が５０ｐｐｍ以下であることを特徴とする水性顔料分散液。 (A) an organic pigment, (B) a pigment derivative having a sulfonic acid group introduced into the organic pigment, and / or a sulfonic acid group introduced into a pigment having the same chemical structure as that of the organic pigment. An aqueous pigment dispersion containing the pigment derivative, (C) water, and (D) a water-soluble organic solvent, wherein the aqueous pigment dispersion has a surface tension at 25 ° C. of 25 to 60 mN / m, and The concentration of sulfate ions contained in the aqueous pigment dispersion is 50 ppm or less when the concentration of the solid content of (A) the organic pigment and (B) the pigment derivative in the aqueous pigment dispersion is 4% by weight. A featured aqueous pigment dispersion. （Ａ）有機顔料がフタロシアニン系青色顔料、キナクリドン系赤色顔料、不溶性アゾ系黄色顔料から選択される少なくとも１種であることを特徴とする請求項１記載の水性顔料分散液。 2. The aqueous pigment dispersion according to claim 1, wherein the organic pigment (A) is at least one selected from a phthalocyanine blue pigment, a quinacridone red pigment, and an insoluble azo yellow pigment. （Ａ）有機顔料と（Ｂ）顔料誘導体とからなる固形分の濃度が８〜１６重量％であることを特徴とする請求項１または２記載の水性顔料分散液。3. The aqueous pigment dispersion according to claim 1, wherein the solid content concentration of (A) the organic pigment and (B) the pigment derivative is 8 to 16% by weight. 請求項１〜３のいずれか記載の水性顔料分散液を含有することを特徴とするインク組成物。 An ink composition comprising the aqueous pigment dispersion according to any one of claims 1 to 3 . （Ａ）有機顔料および（Ｂ）顔料誘導体を（Ｄ）水溶性有機溶媒とともに（Ｃ）水と混合して請求項１記載の水性顔料分散液を作製する工程、および該水性顔料分散液を希釈する工程を有することを特徴とするインク組成物の製造方法。A step of preparing the aqueous pigment dispersion according to claim 1 by mixing (A) an organic pigment and (B) a pigment derivative together with (D) a water-soluble organic solvent and (C) water, and diluting the aqueous pigment dispersion A method for producing an ink composition comprising the step of: 前記水性顔料分散液における（Ｃ）水と（Ｄ）水溶性有機溶媒との混合比が、水：水溶性有機溶媒＝９２〜５０：８〜５０であることを特徴とする請求項５記載のインク組成物の製造方法。6. The mixing ratio of (C) water and (D) water-soluble organic solvent in the aqueous pigment dispersion is water: water-soluble organic solvent = 92-50: 8-50. A method for producing an ink composition.
JP2005016530A 2005-01-25 2005-01-25 Water-based pigment dispersion and ink composition using the same Pending JP2006206626A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005016530A JP2006206626A (en) 2005-01-25 2005-01-25 Water-based pigment dispersion and ink composition using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005016530A JP2006206626A (en) 2005-01-25 2005-01-25 Water-based pigment dispersion and ink composition using the same

Publications (2)

Publication Number Publication Date
JP2006206626A JP2006206626A (en) 2006-08-10
JP2006206626A5 true JP2006206626A5 (en) 2007-12-27

Family

ID=36963829

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005016530A Pending JP2006206626A (en) 2005-01-25 2005-01-25 Water-based pigment dispersion and ink composition using the same

Country Status (1)

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JP (1) JP2006206626A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010269553A (en) * 2009-05-25 2010-12-02 Kokusai Chart Co Alteration preventive measurement recording paper sheet
US10759954B2 (en) * 2015-01-30 2020-09-01 Hewlett-Packard Development Company, L.P. Aqueous pigment co-dispersions
WO2023176612A1 (en) * 2022-03-15 2023-09-21 京セラドキュメントソリューションズ株式会社 Inkjet ink, and inkjet recording device

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5221334A (en) * 1990-04-11 1993-06-22 E. I. Du Pont De Nemours And Company Aqueous pigmented inks for ink jet printers
JP3789965B2 (en) * 1995-12-21 2006-06-28 新日鐵化学株式会社 Color resist ink for color filters
JP3581243B2 (en) * 1996-12-20 2004-10-27 セイコーエプソン株式会社 Pigment lump, method for producing the same, aqueous pigment dispersion, and aqueous ink composition
JPH11295515A (en) * 1998-04-06 1999-10-29 Sumitomo Chem Co Ltd Colored composition for color filter
JPH11323166A (en) * 1998-05-19 1999-11-26 Dainippon Ink & Chem Inc Pigment composition and ink containing same
JP4021057B2 (en) * 1998-06-30 2007-12-12 新日鐵化学株式会社 Red color resist ink
JP4489196B2 (en) * 1998-11-26 2010-06-23 新日鐵化学株式会社 Red color resist ink
JP2000345087A (en) * 1999-06-09 2000-12-12 Seiko Epson Corp Aqueous ink composition and aqueous pigment dispersion
US6506245B1 (en) * 1999-10-28 2003-01-14 Cabot Corporation Ink jet inks, inks, and other compositions containing colored pigments
JP4476417B2 (en) * 2000-02-29 2010-06-09 新日鐵化学株式会社 Red color resist ink and color filter
JP2002241638A (en) * 2000-03-06 2002-08-28 Toyo Ink Mfg Co Ltd Water-based pigment dispersion and inkjet recording liquid
JP2002121460A (en) * 2000-03-06 2002-04-23 Toyo Ink Mfg Co Ltd Water-based pigment dispersion and ink jet recording liquid
JP2002327144A (en) * 2000-06-28 2002-11-15 Seiko Epson Corp Method of producing pigment dispersion, pigment dispersion and ink jet recording ink using the same
JP2002241419A (en) * 2001-02-20 2002-08-28 Mitsui Chemicals Inc Catalyst for olefin polymerization and method for olefin polymerization
JP2002285067A (en) * 2001-03-23 2002-10-03 Toyo Ink Mfg Co Ltd Method for producing water-base pigment dispersion and use of the same
JP2002309122A (en) * 2001-04-16 2002-10-23 Toyo Ink Mfg Co Ltd Method for manufacturing aqueous pigment dispersion
JP2004196893A (en) * 2002-12-17 2004-07-15 Toray Ind Inc Yellow ink jet ink composition

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