JPH01103482A - Ink jet recording method - Google Patents
Ink jet recording methodInfo
- Publication number
- JPH01103482A JPH01103482A JP62259629A JP25962987A JPH01103482A JP H01103482 A JPH01103482 A JP H01103482A JP 62259629 A JP62259629 A JP 62259629A JP 25962987 A JP25962987 A JP 25962987A JP H01103482 A JPH01103482 A JP H01103482A
- Authority
- JP
- Japan
- Prior art keywords
- ink
- recording
- surfactant
- concentration
- inks
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 16
- 239000000976 ink Substances 0.000 claims abstract description 58
- 239000000463 material Substances 0.000 claims abstract description 19
- 239000004094 surface-active agent Substances 0.000 claims abstract description 14
- 239000003086 colorant Substances 0.000 claims abstract description 7
- 239000002736 nonionic surfactant Substances 0.000 abstract description 2
- 239000003093 cationic surfactant Substances 0.000 abstract 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000000975 dye Substances 0.000 description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 7
- 239000000243 solution Substances 0.000 description 5
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- -1 polyoxyethylene Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 150000008051 alkyl sulfates Chemical class 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- LGWXIBBJZQOXSO-UHFFFAOYSA-L disodium 5-acetamido-4-hydroxy-3-[(2-methylphenyl)diazenyl]naphthalene-2,7-disulfonate Chemical compound [Na+].[Na+].OC1=C2C(NC(=O)C)=CC(S([O-])(=O)=O)=CC2=CC(S([O-])(=O)=O)=C1N=NC1=CC=CC=C1C LGWXIBBJZQOXSO-UHFFFAOYSA-L 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001454 recorded image Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Landscapes
- Ink Jet (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Ink Jet Recording Methods And Recording Media Thereof (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明はインクジェット記録方法に関し、更に詳しくは
擬似輪郭のない滑らかで、且つ鮮明な画像形成が可能な
インクジェット記録方法に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an inkjet recording method, and more particularly to an inkjet recording method capable of forming smooth and clear images without false contours.
（従来の技術）
従来、インクジェット記録方式としては、例えば、連続
噴射型、インパルス型（オンデマンド型）、静電吸引型
等の多数の方式が知られているが、いずれの方式も液体
であるインクの小滴を飛翔させて被記録材に付着させて
記録を行うものであり、使用するインクとしては安全性
や記録適性の面から水性インクを用いる場合が多い。(Prior Art) Conventionally, there are many known inkjet recording methods, such as a continuous jet type, an impulse type (on-demand type), and an electrostatic suction type, but all of these types use liquid. Recording is performed by making small droplets of ink fly and adhere to a recording material, and water-based ink is often used from the standpoint of safety and recording suitability.
フルカラーの記録は、記録ヘッドの各色に専有のノズル
からイエロー（Ｙ）、マゼンタ（Ｍ）、シアン（Ｃ）の
３色或いはブラーツク（に）を加えた４色のインクを、
各々の色の吐出量を制御しながら吐出し、被記録材の１
画素に各々のインクを混合吸収させて行う。更に、同一
色にて染料濃度の異なる複数のインク（以下濃淡インク
と記す）を使用し、階謳を広げることにより画質を向上
させることができる。For full-color recording, inks of three colors, yellow (Y), magenta (M), and cyan (C), or four colors including black, are applied from dedicated nozzles for each color of the recording head.
Discharge while controlling the discharge amount of each color, and
This is done by allowing the pixels to mix and absorb each ink. Furthermore, the image quality can be improved by using a plurality of inks of the same color but with different dye concentrations (hereinafter referred to as dark and light inks) to broaden the range of colors.
又、使用する被記録材としては、インク吸収性を有する
ものはいずれも使用可能であるが、通常の普通紙や上質
紙等の如く特別にインク吸収層を設けない被記録材の場
合には、インクの吸収性や解像度、発色性等が不十分で
あるため、これらの紙等の表面にインク吸収性に優れた
インク吸収層を設けたインクジェット記録用紙と称され
る専用紙が用いられている。In addition, any recording material that has ink absorption properties can be used, but in the case of recording materials that do not have a special ink absorption layer, such as ordinary plain paper or high-quality paper, Since the ink absorbency, resolution, and coloring properties of these papers are insufficient, special paper called inkjet recording paper, which has an ink absorption layer with excellent ink absorption properties on the surface of these papers, is used. There is.
（発明が解決しようとしている問題点）上記の専用紙は
優れた記録適性を有するものであるが、その製造工程が
複雑でコスト高であるという問題点があり、一般のコピ
ー用紙等の如き普通紙や上質紙を用いても、専用紙を用
いた場合と同等或いは近い品質の記録が可能なインクジ
ェット記録方法の開発が要望されている。(Problem to be solved by the invention) Although the above-mentioned special paper has excellent recording properties, the manufacturing process is complicated and the cost is high. There is a demand for the development of an inkjet recording method that can print with the same or similar quality to that of special paper even when paper or high-quality paper is used.
しかしながら、普通紙や上質紙等の如き非専用紙を被記
録材として使用すると、インク吸収性に劣るため、イン
クの表面張力を低下させて紙中への滲透性を高めると、
インクの吐出安定性が悪化し、そのため画像品質が低下
するという問題が生じる。However, when non-specialized paper such as plain paper or high-quality paper is used as a recording material, it has poor ink absorbency, so if you lower the surface tension of the ink and increase its permeability into the paper,
A problem arises in that ink ejection stability deteriorates and image quality deteriorates.
しかも、濃淡インクを使用した場合、その両インクの継
ぎ目にて色相が連続的に変化せず、両インクの境目が目
立ち、擬似輪郭が生じるという問題がある。第１図は、
シアン淡インクの色相変化Ａとシアン淡インクの色相変
化Ｂをａ１ｂ″色度図北に示したものである。継ぎ目に
あたる斜線部にてデイザ法等を用いているが充分な効果
は得られておらず、改善が望まれていた。Moreover, when dark and light inks are used, there is a problem that the hue does not change continuously at the joint between the two inks, and the boundary between the two inks stands out, resulting in a false contour. Figure 1 shows
The hue change A of the light cyan ink and the hue change B of the light cyan ink are shown in the north part of the a1b'' chromaticity diagram.A dither method, etc. is used in the shaded area corresponding to the seam, but sufficient effects are not obtained. Improvement was desired.
従って、本発明の目的は、濃淡インク間の色相差をなく
し、擬似輪郭のない滑らかでしかも高品質の記録画像を
与えるインクジェット記録方法を提供することである。Therefore, an object of the present invention is to provide an inkjet recording method that eliminates the hue difference between dark and light inks and provides a smooth, high-quality recorded image without false contours.
（問題点を解決するための手段） 上記本発明の目的は以下の本発明によって達成される。(Means for solving problems) The above objects of the present invention are achieved by the following present invention.
すなわち、本発明は、２色以上のインクを用い、少なく
とも１色については染料濃度の異なる２以上のインクを
用いて、被記録材に記録を行うインクジェット記録方法
であって、被記録材の被記録面に界面活性剤か含まれる
ことを特徴とするインクジェット記録方法である。That is, the present invention is an inkjet recording method in which recording is performed on a recording material using inks of two or more colors, and at least one color has a different dye concentration. This inkjet recording method is characterized in that the recording surface contains a surfactant.
（作 用）
界面活性剤をアルコール溶液等にて被記録材の記録面に
含有せしめることによって、使用するインクの表面張力
を低下させることなく、インクの吸収性を高めることが
でき、又、インクのドツト径を広げるために濃淡インク
間の色相の差をなくし、又擬似輪郭のない滑らかで、高
品質の記録画像を形成することが可能となる。(Function) By incorporating a surfactant into the recording surface of a recording material using an alcohol solution or the like, ink absorption can be increased without reducing the surface tension of the ink used. In order to widen the dot diameter, it is possible to eliminate the difference in hue between dark and light inks, and to form a smooth, high-quality recorded image without false contours.
（好ましい実施態様）
次に好ましい実施態様を挙げて本発明を更に詳しく説明
する。(Preferred Embodiments) Next, the present invention will be described in more detail by citing preferred embodiments.
本発明において使用する被記録材は、従来のインクジェ
ット用被記録材の如く、特別にインク吸収層を形成した
ものではなく、従来のコピー用紙の如く、一般の普通紙
や上質紙等でもよい。The recording material used in the present invention does not have a special ink absorbing layer formed thereon, like conventional inkjet recording materials, but may be ordinary plain paper, high-quality paper, or the like, like conventional copy paper.
このような被記録材に付与する界面活性剤としては、従
来公知の界面活性剤、例えば、硫酸化油、アルキルナフ
タレンスルホン酸ナトリウム、ポリオキシエチレンアル
キル硫酸塩等のアニオン性界面活性剤、ポリオキシエチ
レンアルキルエーテル等のノニオン系の界面活性剤、そ
の他力チオン系の界面活性剤等も使用でき、特に限定さ
れない。紙に付与する量は、特に限定されないが、−般
的には約ｔｘｔｏ−５乃至１ ｘ １０−２ｇ／ｒｎ’
程度が好ましい。As the surfactant to be applied to such a recording material, conventionally known surfactants such as sulfated oil, anionic surfactants such as sodium alkylnaphthalene sulfonate, polyoxyethylene alkyl sulfate, and polyoxyethylene alkyl sulfate can be used. Nonionic surfactants such as ethylene alkyl ether and other thionic surfactants can also be used, and are not particularly limited. The amount applied to the paper is not particularly limited, but is generally about txto-5 to 1 x 10-2 g/rn'
degree is preferred.
付与する方法は、被記録材の記録面に均一に付与できる
方法であればいずれの方法でもよく、例えば、水溶液の
含浸やスプレー塗布が好適であり、又、メタノール、エ
タノール等のアルコールの溶液として同様に付与するこ
ともでき、特にアルコール溶液を用いた場合には、その
溶液の粘度が低く且つ付与後に溶媒の揮散が速やかであ
り一層好ましく、このアルコール溶液を用いれば、イン
クジェットによる記録直前に被記録材に界面活性剤を付
与することも可能となる。The application method may be any method as long as it can be applied uniformly to the recording surface of the recording material. For example, impregnation with an aqueous solution or spray coating is suitable, or a solution of alcohol such as methanol or ethanol. It can also be applied in the same way, and it is particularly preferable to use an alcohol solution because the viscosity of the solution is low and the solvent evaporates quickly after application. It is also possible to add a surfactant to the recording material.
又、本発明で使用するインクは着色剤として染料を含有
するが、これらの染料は従来公知のインクジェット用イ
ンクに使用されている染料であればよく、特に限定され
ない。又、本発明で使用するインクは、上記水溶性染料
の外に液媒体とじての水、多価アルコール等の水溶性有
機溶剤、湿潤剤、界面活性剤その他の各種添加剤を含み
得るものであって、これらの液媒体や各種添加剤の種類
及びそれらの配合割合等はいずれも従来技術のインクジ
ェットインクと同様のものであり、特に限定されないこ
とは当然である。Further, the ink used in the present invention contains dyes as colorants, but these dyes are not particularly limited as long as they are dyes used in conventionally known inkjet inks. In addition to the above-mentioned water-soluble dye, the ink used in the present invention may contain water as a liquid medium, a water-soluble organic solvent such as a polyhydric alcohol, a wetting agent, a surfactant, and other various additives. Naturally, the types of these liquid media and various additives, their blending ratios, etc. are the same as those of conventional inkjet inks, and are not particularly limited.
インクの好ましい表面張力の範囲は、４５ｄｙｎｅ／ｃ
ｍ乃至６５ ｄｙｎｅ／ｃｍである。The preferred surface tension range of the ink is 45 dyne/c.
m to 65 dyne/cm.
又、本発明で使用するインクジェット記録方法は従来公
知のいずれのインクジェット記録方法でもよく特に限定
されない。Further, the inkjet recording method used in the present invention may be any conventionally known inkjet recording method and is not particularly limited.
（実施例）
次に実施例を挙げて本発明を更に具体的に説明する。尚
、文中、部又は％とあるのは特に断りのない限り重量基
準である。(Example) Next, the present invention will be described in more detail with reference to Examples. In the text, parts or percentages are based on weight unless otherwise specified.
実施例１
水 ４４．５部ジエ
チレングリコール ４０部ポリエチレング
リコール １０部Ｎ−メチル−ピロリドン
５部アセチノール ０
．１部上記成分からなるインク溶媒を用い下記インクを
調製してフルカラー画像を形成した。Example 1 Water 44.5 parts Diethylene glycol 40 parts Polyethylene glycol 10 parts N-methyl-pyrrolidone
5 parts acetinol 0
．． The following ink was prepared using an ink solvent consisting of one part of the above components to form a full color image.
イエローインク
染料： ｃ、ｒ、ダイレクトイエロー８６０．９部ヱ±
］ヨリＬ２り
染料： Ｃ，１，アシッドレッド３５ １．５部染
料： Ｃ，１，アシッドレッド１５ ０．６部染料
： Ｃ，Ｘ、アシッドレッド３５ ０．３部シアン
インク
染料： Ｃ，１，ダイレクトブルー８６１．５部染料：
Ｃ，１，ダイレクトブルー８６０．６部染料： Ｃ，
１，ダイレクトブルー８６０．３部次に界面活性剤（ア
セチノール、用研ファインケミカル製）の１０％エタノ
ール溶液を作成し、これを市販の上質紙に１ ｘ １０
−３ｍｌ１．／ｒｎ”の割合で均一にスプレーした。室
温で５分間放置した後、この被記録材を用いてピエゾジ
ェット方式のインクジェットプリンタＲＰ−８０１（キ
ャノン製）を用い、上記のインクを用いて印字を行った
ところ、インク吸収性が良好で且つ擬似輪郭のない滑ら
かなフルカラー画像が得られた。又、上記のインクにつ
いて連続吐出持続性を確認したところ（駆動周波数３に
Ｈｚ、駆動電圧８０ｖ）、２時間以上連続吐出を行って
も安定であった。Yellow ink dye: c, r, direct yellow 860.9 parts ヱ±
] Yori L2 dye: C, 1, Acid Red 35 1.5 parts Dye: C, 1, Acid Red 15 0.6 parts Dye: C, X, Acid Red 35 0.3 parts Cyan ink dye: C, 1 , Direct Blue 861.5 parts Dye:
C, 1, Direct Blue 860.6 parts Dye: C,
1. Direct Blue 860.3 parts Next, prepare a 10% ethanol solution of a surfactant (acetinol, manufactured by Yoken Fine Chemicals) and spread it on commercially available high-quality paper at 1 x 10
-3ml1. /rn''. After leaving it at room temperature for 5 minutes, the recording material was printed using the above ink using a piezojet type inkjet printer RP-801 (manufactured by Canon). As a result, a smooth full-color image with good ink absorption and no false contours was obtained.Also, when the continuous ejection sustainability of the above ink was confirmed (driving frequency 3 Hz, driving voltage 80 V), It remained stable even after continuous ejection for 2 hours or more.
比較例１
実施例１において上質紙に界面活性剤を付与しなかった
ことを除いて、他は実施例１を繰り返したところ、被記
録材のインク吸収性が悪く又滲みが大で画像品質が著し
く劣化した。Comparative Example 1 Example 1 was repeated except that no surfactant was applied to the high-quality paper in Example 1, but the ink absorption of the recording material was poor, and the image quality was poor due to large bleeding. Significantly deteriorated.
（効 果）
以上の如き本発明によれば、その表面に界面活性剤を含
む被記録材に濃淡インクを用いてインクジェット記録を
行うことにより、使用するインクの表面張力を低下させ
ることなく、優れたインク吸収性を示し、滲み等のない
高品質のフルカラー画像を連続して提供することができ
る。(Effects) According to the present invention as described above, by performing inkjet recording using dark and light inks on a recording material containing a surfactant on the surface, excellent results can be achieved without reducing the surface tension of the ink used. It exhibits excellent ink absorbency and can continuously provide high-quality full-color images without bleeding or the like.
又、濃淡インク間での色相の差を殆ど生じることなく、
擬似輪郭のない滑らかなフルカラー画像が得られる。In addition, there is almost no difference in hue between dark and light inks,
A smooth full-color image without false contours can be obtained.
第１図はシアンインクの色相変化を示すａ１ｂ１１部図
である。
Ａニジアンの濃インクの色相変化
Ｂニジアンの淡インクの色相変化
特許出願人 キャノ−ン株式会社
代理人 弁理士 吉 １）勝 広FIG. 1 is an a1b11 diagram showing a change in hue of cyan ink. A Hue change in Nijian's dark ink B Hue change in Nijian's light ink Patent applicant Yoshi, Patent attorney, Canon Co., Ltd. 1) Katsuhiro
Claims (2)
ては染料濃度の異なる２以上のインクを用いて、被記録
材に記録を行うインクジェット記録方法であって、被記
録材の被記録面に界面活性剤が含まれることを特徴とす
るインクジェット記録方法。(1) An inkjet recording method in which recording is performed on a recording material using inks of two or more colors, at least one of which has a different dye concentration, and the recording surface of the recording material is An inkjet recording method characterized by containing a surfactant.
５ｄｙｎｅ／ｃｍの範囲にある特許請求の範囲第（１）
項に記載のインクジェット記録方法。(2) The surface tension of the ink is between 45 dyne/cm and 6 dyne/cm.
Claim No. (1) in the range of 5 dyne/cm
The inkjet recording method described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62259629A JPH01103482A (en) | 1987-10-16 | 1987-10-16 | Ink jet recording method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62259629A JPH01103482A (en) | 1987-10-16 | 1987-10-16 | Ink jet recording method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01103482A true JPH01103482A (en) | 1989-04-20 |
Family
ID=17336729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62259629A Pending JPH01103482A (en) | 1987-10-16 | 1987-10-16 | Ink jet recording method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01103482A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0639462A2 (en) * | 1993-08-19 | 1995-02-22 | Canon Kabushiki Kaisha | Ink tank cartridge and ink-jet apparatus in which the ink tank cartridge is installed |
| JPH07101143A (en) * | 1993-10-06 | 1995-04-18 | Nippon Paper Ind Co Ltd | Ink jet recording method |
| JPH0825800A (en) * | 1994-07-20 | 1996-01-30 | Canon Inc | Ink jet recording method |
| JPH08104054A (en) * | 1994-10-04 | 1996-04-23 | Canon Inc | Ink jet recording method |
| WO1996032288A1 (en) * | 1995-04-12 | 1996-10-17 | Eastman Kodak Company | Four level ink set for bi-level color printing |
-
1987
- 1987-10-16 JP JP62259629A patent/JPH01103482A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0639462A2 (en) * | 1993-08-19 | 1995-02-22 | Canon Kabushiki Kaisha | Ink tank cartridge and ink-jet apparatus in which the ink tank cartridge is installed |
| EP0639462A3 (en) * | 1993-08-19 | 1995-10-18 | Canon Kk | Ink tank cartridge and ink-jet apparatus in which the ink tank cartridge is installed. |
| US6179415B1 (en) | 1993-08-19 | 2001-01-30 | Canon Kabushiki Kaisha | Ink tank cartridge |
| CN1086637C (en) * | 1993-08-19 | 2002-06-26 | 佳能株式会社 | Ink tank cartridge and ink-jet apparatus instalied the ink tank cartridge |
| JPH07101143A (en) * | 1993-10-06 | 1995-04-18 | Nippon Paper Ind Co Ltd | Ink jet recording method |
| JPH0825800A (en) * | 1994-07-20 | 1996-01-30 | Canon Inc | Ink jet recording method |
| JPH08104054A (en) * | 1994-10-04 | 1996-04-23 | Canon Inc | Ink jet recording method |
| WO1996032288A1 (en) * | 1995-04-12 | 1996-10-17 | Eastman Kodak Company | Four level ink set for bi-level color printing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3430512B2 (en) | Aqueous ink composition and recording method using the same | |
| JPH05194893A (en) | Ink composition | |
| JP2007534802A (en) | Inkjet ink set for improved color reproduction | |
| US20050172854A1 (en) | Ink-jet ink and ink-jet recording method | |
| JPH06192605A (en) | Ink, method for ink jet recording using same, and apparatus using same | |
| US6003987A (en) | Ink set recording apparatus and method using ink set having a dye that becomes insoluble when mixed with another dye | |
| JP2006299124A (en) | Water-based ink set for ink jet recording and method for ink jet recording | |
| JPH07310037A (en) | Color ink-jet recording method | |
| JP2006298978A (en) | Water-based ink set for inkjet recording and inkjet recording method | |
| JP2002155225A (en) | Water-based pigment ink set | |
| US6818048B2 (en) | Ink-jet inks for improved image quality and reliability | |
| JP3283935B2 (en) | Ink set, ink jet recording method, and method for improving image quality | |
| DE60213938T2 (en) | Lightfast inkjet dye set with hue range of silver halide prints | |
| JP3841164B2 (en) | Water-soluble surfactant composition | |
| JP2861077B2 (en) | Color printing method using ink jet recording method | |
| US5795375A (en) | Water color ink for recording and ink-jet recording process | |
| TWI422651B (en) | Ink set, ink system and method for printing an image | |
| JPH01103482A (en) | Ink jet recording method | |
| US6610130B2 (en) | Aqueous ink set and its use | |
| JPH06226999A (en) | Method and apparatus for color ink jet recording | |
| JPH10158551A (en) | Ink set for ink jet recording and recording | |
| JP2000273374A (en) | Ink set for ink jet recording | |
| JPH10158560A (en) | Ink set for color ink jet recording and recording | |
| JPH04325574A (en) | Ink for ink jet recording | |
| JP3253030B2 (en) | Recording ink |