JP2006045520A5 - Ink set, image forming method and image forming apparatus - Google Patents
Ink set, image forming method and image forming apparatus Download PDFInfo
- Publication number
- JP2006045520A5 JP2006045520A5 JP2005188049A JP2005188049A JP2006045520A5 JP 2006045520 A5 JP2006045520 A5 JP 2006045520A5 JP 2005188049 A JP2005188049 A JP 2005188049A JP 2005188049 A JP2005188049 A JP 2005188049A JP 2006045520 A5 JP2006045520 A5 JP 2006045520A5
- Authority
- JP
- Japan
- Prior art keywords
- ink
- water
- mass
- image forming
- cyan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000976 ink Substances 0.000 claims description 79
- 239000002904 solvent Substances 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000003086 colorant Substances 0.000 claims description 6
- 239000003960 organic solvent Substances 0.000 claims description 6
- 125000003277 amino group Chemical group 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- LSHROXHEILXKHM-UHFFFAOYSA-N N'-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethyl]ethane-1,2-diamine Chemical compound NCCNCCNCCNCCNCCN LSHROXHEILXKHM-UHFFFAOYSA-N 0.000 description 2
- 229920003118 cationic copolymer Polymers 0.000 description 2
- 125000002091 cationic group Chemical group 0.000 description 2
- 230000002209 hydrophobic Effects 0.000 description 2
- OHKNDUMTKVKWHE-UHFFFAOYSA-N 2-(benzenesulfonyl)ethanesulfonic acid Chemical group OS(=O)(=O)CCS(=O)(=O)C1=CC=CC=C1 OHKNDUMTKVKWHE-UHFFFAOYSA-N 0.000 description 1
- 235000010724 Wisteria floribunda Nutrition 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 229920000578 graft polymer Polymers 0.000 description 1
- -1 phenyl (2-sulfoethyl) group Chemical group 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Description
又、本発明の別の目的は、少ないインク液滴量であっても十分に大きなエリアファクターを有し、且つ画像濃度の高い画像が得られ、更に保存安定性に優れるインクセット、ならびにこのインクセットを使用した画像形成方法および画像形成装置を提供することにある。 Another object of the present invention is to provide an ink set that has a sufficiently large area factor even with a small amount of ink droplets and that can provide an image with high image density, and is excellent in storage stability , and the ink. An object is to provide an image forming method and an image forming apparatus using the set .
即ち、本発明にかかるインクセットは、少なくとも、水、水不溶性色材、該水不溶性色材に対する良溶媒及び該水不溶性色材に対する貧溶媒を含む複数の水溶性有機溶剤、をそれぞれ含有する、シアンインク、マゼンタインク、イエローインク、及びブラックインクの４種の水性インクを有するインクセットにおいて、該シアンインクに含まれる、良溶媒の含有量（質量％）をＡ1、貧溶媒の含有量（質量％）をＢ1としたときに、Ｂ1／Ａ1が０．５以上３．０以下であり、且つ、ブリストウ法によって求められる、前記複数の水溶性有機溶剤の各々のＫａ値のうち最大のＫａ値を示す水溶性有機溶剤が前記貧溶媒であり、且つ、前記インクセットが具備するシアンインク以外の各水性インクに含まれる、良溶媒の含有量（質量％）をＡ、貧溶媒の含有量（質量％）をＢとしたときに、前記シアンインクと該シアンインク以外の全ての水性インクとが、下記式（Ｉ）を満たすことを特徴とする。 That is, the ink set according to the present invention contains at least water, a water-insoluble colorant, a plurality of water-soluble organic solvents including a good solvent for the water-insoluble colorant and a poor solvent for the water-insoluble colorant, cyan ink, magenta ink, yellow ink, and Oite the Inkuse' bets with four water-based ink of the black ink, contained in the cyan ink, the good solvent content (wt%) of a 1, containing the poor solvent when the amount (mass%) and B 1, B 1 / a 1 is from 0.5 to 3.0, and is determined by the Bristow method, each of the Ka values of the plurality of water-soluble organic solvent The water-soluble organic solvent showing the maximum Ka value is the poor solvent, and the content (% by mass) of the good solvent contained in each aqueous ink other than the cyan ink included in the ink set is A, Poor When the content (% by mass) of the solvent is B, the cyan ink and all water-based inks other than the cyan ink satisfy the following formula (I).
（Ｂ1／Ａ1）／（Ｂ／Ａ）＜１ （Ｉ）
又、本発明にかかる画像形成方法は、ブラックインクと、シアンインク、マゼンタインク、及びイエローインクから選ばれる少なくとも１色のカラーインクとを用いて記録媒体にインクジェット記録方式で記録を行う画像形成方法であって、上記のインクセットを使用することを特徴とする。
又、本発明にかかる画像形成装置は、ブラックインクと、シアンインク、マゼンタインク、及びイエローインクから選ばれる少なくとも１色のカラーインクとを用いて記録媒体にインクジェット記録方式で記録を行うための画像形成装置であって、上記のインクセットを使用することを特徴とする。
(B 1 / A 1 ) / (B / A) <1 (I)
The image forming method according to the present invention is an image forming method for recording on a recording medium by an ink jet recording method using black ink and at least one color ink selected from cyan ink, magenta ink, and yellow ink. In this case, the ink set is used.
The image forming apparatus according to the present invention is an image for recording on a recording medium by an inkjet recording method using black ink and at least one color ink selected from cyan ink, magenta ink, and yellow ink. A forming apparatus using the above ink set.
本発明によれば、少ないインク液滴量であっても十分に大きなエリアファクターを有し、且つ画像濃度の高い画像が得られ、更に保存安定性に優れたシアンインクを提供することができる。又、本発明の別の実施態様によれば、少ないインク液滴量であっても十分に大きなエリアファクターを有し、且つ画像濃度の高い画像を得ることができる特性を示すインクを複数用いて画像を形成する場合の耐擦過性を向上できるシアンインクを提供することができる。又、本発明の別の実施態様によれば、少ないインク液滴量であっても十分に大きなエリアファクターを有し、且つ画像濃度の高い画像が得られ、更に保存安定性に優れるインクセット、ならびにこのインクセットを使用した画像形成方法および画像形成装置を提供することができる。 According to the present invention, it is possible to provide a cyan ink having a sufficiently large area factor and a high image density even with a small amount of ink droplets and having excellent storage stability. According to another embodiment of the present invention, a plurality of inks having a sufficiently large area factor and a characteristic capable of obtaining an image with a high image density even with a small ink droplet amount are used. A cyan ink capable of improving the scratch resistance when forming an image can be provided. Further, according to another embodiment of the present invention, an ink set having a sufficiently large area factor and a high image density even with a small amount of ink droplets, and further excellent in storage stability , In addition, an image forming method and an image forming apparatus using the ink set can be provided.
又、本発明にかかる水性インクにおいては、貧溶媒の含有量（質量％）がインク全質量に対して４質量％以上である場合、高い画像濃度とインクの保存安定性を両立する観点からより好ましい。又、貧溶媒の含有量（質量％）がインク全質量に対して３７．５質量％以下であることが好ましく、更には、５質量％〜２０質量％であることが好ましい。 Further, in the water-based ink according to the present invention, when the content (% by mass) of the poor solvent is 4% by mass or more with respect to the total mass of the ink, from the viewpoint of achieving both high image density and ink storage stability . preferable. In addition, the content (% by mass) of the poor solvent is preferably 37.5% by mass or less, and more preferably 5% by mass to 20% by mass with respect to the total mass of the ink.
カチオン性モノマーと疎水性モノマーとのカチオン性の共重合体は、先に挙げた疎水性モノマーから選択された何れかと、上記に挙げたカチオン性モノマーから選択された少なくとも１つ、の少なくとも２つ以上のモノマーからなる。前記カチオン性の共重合体は、ブロック共重合体、ランダム共重合体、グラフト共重合体、或いは、これらの塩等が挙げられる。 Cationic copolymers of a cationic monomer and a hydrophobic monomer, and any selected from hydrophobic monomers mentioned above, at least one selected from cationic monomers mentioned, at least two It consists of the above monomers. Examples of the cationic copolymer include a block copolymer, a random copolymer, a graft copolymer, and salts thereof.
上記第２の工程では、第１の工程によってカーボンブラック表面に化学的に結合しているフェニル（２−スルホエチル）スルホン基とＰＥＨＡのアミノ基とを反応させることによって、カーボンブラック表面に化学的に結合してなる官能基としてのアミノ基が導入される。そして、上記第３の工程においては、例えば、共重合体のイオン性モノマー部分が有するカルボキシル基の一部をアミノ基と反応させてアミド結合を形成させることによって、共重合体をカーボンブラックの表面に、ＡＰＳＥＳの残基であるフェニル（２−スルホエチル）基とＰＥＨＡの残基とを含む原子団を介して共重合体が導入できる。 In the second step, the phenyl (2-sulfoethyl) sulfone group chemically bonded to the carbon black surface in the first step is reacted with the amino group of PEHA to chemically react with the carbon black surface. An amino group as a functional group formed by bonding is introduced. In the third step, for example, a part of the carboxyl group of the ionic monomer portion of the copolymer is reacted with an amino group to form an amide bond, thereby forming the copolymer on the surface of carbon black. In addition, a copolymer can be introduced through an atomic group containing a phenyl (2-sulfoethyl) group which is a residue of APSES and a residue of PEHA.
（参考例１及び２）
下記表６及び表７に示した各成分を混合し、十分撹拌した後、ポアサイズ３．０μｍのミクロフィルター（富士フィルム製）にて加圧濾過を行い、参考例１及び２の各水性インク及びインクセットを調製した。尚、表中のＢ／Ａは、各水性インクにおける良溶媒の含有量（質量％）をＡ、貧溶媒の含有量（質量％）をＢとしたときの、Ｂ／Ａの値である。尚、参考例の水性インクの調製にあたっては、Ｂ／Ａの値が０．５以上３．０以下となるように調整した。
(Reference Examples 1 and 2)
After mixing each component shown in Table 6 and Table 7 and stirring sufficiently, pressure filtration was performed with a micro filter (manufactured by Fuji Film) having a pore size of 3.0 μm, and each of the water-based inks of Reference Examples 1 and 2 and An ink set was prepared. B / A in the table is a value of B / A when the content (% by mass) of the good solvent in each water-based ink is A and the content (% by mass) of the poor solvent is B. In preparing the water-based ink of the reference example, the B / A value was adjusted to 0.5 to 3.0.
Claims (5)
該シアンインクに含まれる、良溶媒の含有量（質量％）をＡ1、貧溶媒の含有量（質量％）をＢ1としたときに、Ｂ1／Ａ1が０．５以上３．０以下であり、且つ、ブリストウ法によって求められる、前記複数の水溶性有機溶剤の各々のＫａ値のうち最大のＫａ値を示す水溶性有機溶剤が前記貧溶媒であり、
且つ、前記インクセットが具備するシアンインク以外の各水性インクに含まれる、良溶媒の含有量（質量％）をＡ、貧溶媒の含有量（質量％）をＢとしたときに、前記シアンインクと該シアンインク以外の全ての水性インクとが、下記式（Ｉ）を満たすことを特徴とするインクセット。
（Ｂ1／Ａ1）／（Ｂ／Ａ）＜１ （Ｉ） A cyan ink, a magenta ink, a yellow ink, each containing at least water, a water-insoluble colorant, a plurality of water-soluble organic solvents including a good solvent for the water-insoluble colorant and a poor solvent for the water-insoluble colorant, and Oite the Inkuse' bets with four water-based ink of the black ink,
When the content (% by mass) of the good solvent contained in the cyan ink is A 1 and the content (% by mass) of the poor solvent is B 1 , B 1 / A 1 is 0.5 or more and 3.0. The water-soluble organic solvent showing the maximum Ka value among the Ka values of each of the plurality of water-soluble organic solvents obtained by the Bristow method is the poor solvent,
In addition, when the content (mass%) of the good solvent and the content (mass%) of the poor solvent contained in each aqueous ink other than the cyan ink included in the ink set are B, the cyan ink is used. And an ink set in which all water-based inks other than the cyan ink satisfy the following formula (I):
(B 1 / A 1 ) / (B / A) <1 (I)
（Ｂ1／Ａ1）／（Ｂ／Ａ）＜０．６ （Ｉ’） The ink set according to claim 1, wherein the cyan ink and all water-based inks other than the cyan ink satisfy the following formula (I ′).
(B 1 / A 1 ) / (B / A) <0.6 (I ′)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005188049A JP5132039B2 (en) | 2004-06-28 | 2005-06-28 | Ink set, image forming method and image forming apparatus |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004190545 | 2004-06-28 | ||
| JP2004190545 | 2004-06-28 | ||
| JP2005188049A JP5132039B2 (en) | 2004-06-28 | 2005-06-28 | Ink set, image forming method and image forming apparatus |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006045520A JP2006045520A (en) | 2006-02-16 |
| JP2006045520A5 true JP2006045520A5 (en) | 2008-08-07 |
| JP5132039B2 JP5132039B2 (en) | 2013-01-30 |
Family
ID=36024475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005188049A Expired - Fee Related JP5132039B2 (en) | 2004-06-28 | 2005-06-28 | Ink set, image forming method and image forming apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5132039B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7459491B2 (en) * | 2004-10-19 | 2008-12-02 | Hewlett-Packard Development Company, L.P. | Pigment dispersions that exhibit variable particle size or variable vicosity |
| US20090031922A1 (en) * | 2007-07-30 | 2009-02-05 | Sukanya Rengaswamy | Ink composition and method for forming the same |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000273377A (en) * | 1999-03-25 | 2000-10-03 | Minolta Co Ltd | Recording liquid for ink jet |
| JP3951591B2 (en) * | 2000-11-06 | 2007-08-01 | セイコーエプソン株式会社 | Ink set, recording method using the same, and recorded matter |
| JP2002283564A (en) * | 2001-03-22 | 2002-10-03 | Ricoh Co Ltd | Ink jet recorder, ink, and recording method |
| JP2003003100A (en) * | 2001-06-25 | 2003-01-08 | Ricoh Co Ltd | Aqueous ink and printing method using the same |
| JP4343503B2 (en) * | 2001-08-22 | 2009-10-14 | キヤノン株式会社 | Inkjet recording method |
| JP3882899B2 (en) * | 2002-01-28 | 2007-02-21 | セイコーエプソン株式会社 | Inkjet recording method |
| JP4292749B2 (en) * | 2002-02-15 | 2009-07-08 | セイコーエプソン株式会社 | Ink composition |
| JP4268368B2 (en) * | 2002-03-19 | 2009-05-27 | 株式会社リコー | Ink set, ink cartridge, recording apparatus, and recording method |
| JP4411887B2 (en) * | 2003-07-31 | 2010-02-10 | セイコーエプソン株式会社 | Water-based ink set |
-
2005
- 2005-06-28 JP JP2005188049A patent/JP5132039B2/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4194914B2 (en) | Inkjet printing method and system providing improved image durability | |
| KR101031797B1 (en) | Recording ink, ink cartridge, inkjet recording method, and inkjet recording apparatus | |
| JP5939039B2 (en) | Inkjet image forming method | |
| JP6569411B2 (en) | Ink, ink container, ink jet recording method and ink jet recording apparatus | |
| JP4687110B2 (en) | Ink jet ink and ink jet recording method | |
| EP2445979A1 (en) | Ink for inkjet recording, inkjet recording method using the same, ink cartridge housing the same, and recorded matter | |
| JP2006527282A5 (en) | ||
| JP2006328140A (en) | Water-based ink set for inkjet recording | |
| EP1931739A1 (en) | Ink-jet printing methods and compositions providing improved image durability | |
| JP2003313466A (en) | Ink for inkjet | |
| JP2006009005A (en) | Additive eliminating bronzing of inkjet ink | |
| US20040187739A1 (en) | Solvent systems for ink-jet inks | |
| JP6651676B2 (en) | Aqueous ink composition for inkjet recording and image forming method | |
| JP5085973B2 (en) | Inkjet ink | |
| JP2006097026A (en) | Water-soluble dye-based utility inkjet ink | |
| JP4232367B2 (en) | Inkjet pigment ink, inkjet cartridge using the same, inkjet image recording method, and inkjet recorded image | |
| JP2006045520A5 (en) | Ink set, image forming method and image forming apparatus | |
| JP6225581B2 (en) | Ink jet recording ink, ink cartridge, ink jet recording apparatus, ink jet recording method, ink recorded matter | |
| JP6741228B2 (en) | Ink, ink set and image forming set | |
| JP4281277B2 (en) | Inkjet pigment ink, inkjet cartridge using the same, and inkjet image recording method | |
| JP5684509B2 (en) | Ink jet ink composition | |
| JP2001207089A (en) | Water base pigment ink for ink-jet recording | |
| JP2006045521A5 (en) | Ink set, ink and reaction liquid set, image forming method and image forming apparatus | |
| JP5187066B2 (en) | Inkjet recording method | |
| JP2007246866A (en) | Inkjet ink |