JP2952944B2 - Inkjet recording liquid - Google Patents
Inkjet recording liquidInfo
- Publication number
- JP2952944B2 JP2952944B2 JP7008990A JP7008990A JP2952944B2 JP 2952944 B2 JP2952944 B2 JP 2952944B2 JP 7008990 A JP7008990 A JP 7008990A JP 7008990 A JP7008990 A JP 7008990A JP 2952944 B2 JP2952944 B2 JP 2952944B2
- Authority
- JP
- Japan
- Prior art keywords
- recording liquid
- dispersant
- pigment
- weight
- carbon atoms
- 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.)
- Expired - Lifetime
Links
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- Inks, Pencil-Leads, Or Crayons (AREA)
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に適した顔料を用いた記
録液に関する。Description: TECHNICAL FIELD The present invention relates to a recording liquid using a pigment suitable for ink jet recording.
［従来の技術］ インクジェット記録方式は騒音が少ないこと、ランニ
ングコストが安いこと、カラー化が容易であること等の
特徴があり、近年急速に普及しつつある。インクジェッ
ト記録に用いる記録液の着色剤としては、通常、酸性染
料、直接性染料等の水溶性染料が用いられているが、耐
光性、耐水性等堅牢性の面で十分とはいえず、改良が検
討されている。[Related Art] The ink jet recording method has features such as low noise, low running cost, and easy colorization, and has been rapidly spreading in recent years. Water-soluble dyes such as acid dyes and direct dyes are usually used as colorants for recording liquids used for ink jet recording.However, light-fastness, water-fastness and other fastnesses are not sufficient. Is being considered.
水溶性染料の耐光性、耐水性を改良するため、例えば
特開昭64−62372号、特開昭64−48873号、特開昭64−16
880号、特開昭63−289079号等に記載されている如く、
多くの提案がなされているが未だ十分ではない。To improve the light fastness and water fastness of the water-soluble dye, for example, JP-A-64-62372, JP-A-64-48873, JP-A-64-16
No. 880, as described in JP-A-63-289079, etc.
Many suggestions have been made, but not enough.
一方、着色剤として顔料を用いる方法も古くから研究
されており、例えば特開昭47−12104号、特開昭56−147
859号、特開昭56−147863号、特開昭56−147869号、特
開昭56−157468号、特開昭57−21466号、特開昭62−749
73号等多くの出願がなされている。On the other hand, methods of using pigments as colorants have been studied for a long time, for example, JP-A-47-12104 and JP-A-56-147.
No. 859, JP-A-56-14763, JP-A-56-147869, JP-A-56-157468, JP-A-57-21466, JP-A-62-749
Many applications such as No. 73 have been filed.
しかし、着色剤として顔料を用いた場合、耐光性、耐
水性は、染料に比べて格段に向上するものの記録液とし
ての保存安定性が劣るため実用化されるまでに至ってい
ない。However, when a pigment is used as a coloring agent, light resistance and water resistance are remarkably improved as compared with dyes, but storage stability as a recording liquid is inferior, so that it has not been put to practical use.
［発明が解決しようとする課題］ 本発明は記録した画像の耐光性、耐水性が高く、かつ
記録液としての保存安定性及び吐出安定性に優れたイン
クジェット用記録液の提供を目的とするものであり、こ
の目的は特定分散剤を用いることにより達せられるとの
新規な知見に基くものである。[Problems to be Solved by the Invention] An object of the present invention is to provide an ink jet recording liquid having high light resistance and water resistance of a recorded image, and excellent storage stability and ejection stability as a recording liquid. This purpose is based on the novel finding that it can be achieved by using a specific dispersant.
［課題を解決するための手段］ 本発明の要旨は、水性媒体、顔料、及び下記一般式
（Ｉ） （式中、R1は炭素数10〜20のアルキル基又はアルケニル
基を表わし、R2は炭素数１〜４のアルキル基を表わし、
R3は炭素数１〜３のアルキレン基を表わす。） で示される化合物からなる分散剤（但し、高分子分散剤
と併用する場合を除く）を含有するインクジェット用記
録液に存する。Means for Solving the Problems The gist of the present invention is to provide an aqueous medium, a pigment, and the following general formula (I) (Wherein, R 1 represents an alkyl group or alkenyl group having 10 to 20 carbon atoms, R 2 represents an alkyl group having 1 to 4 carbon atoms,
R 3 represents an alkylene group having 1 to 3 carbon atoms. ) In a recording liquid for inkjet containing a dispersant comprising a compound represented by the following formula (except when used in combination with a polymer dispersant).
以下、本発明を詳細に説明する。 Hereinafter, the present invention will be described in detail.
本発明の記録液において用いる顔料としては、アゾ
系、フタロシアニン系、キナクリドン系等の有機顔料の
他、カーボンブラックが利用できるがとりわけPigmest
Yellow−74,−154,Pigment Red−5,−122,Pigment Blue
−15が好ましい。As the pigment used in the recording liquid of the present invention, in addition to azo-based, phthalocyanine-based, and quinacridone-based organic pigments, carbon black can be used.
Yellow−74, −154, Pigment Red−5, −122, Pigment Blue
-15 is preferred.
上記顔料の含有量としては、記録液全重量に対して0.
5〜10wt％の範囲、好ましくは１〜7wt％の範囲が挙げら
れる。The content of the above pigment is 0.
The range is 5 to 10% by weight, preferably 1 to 7% by weight.
本発明の記録液に用いられる水性媒体としては、水の
他、水溶性有機溶剤としてエチレングリコール、プロピ
レングリコール、ブチレングリコール、ジエチレングリ
コール、トリエチレングリコール、ポリエチレングリコ
ール（＃200）、ポリエチレングリコール（＃400）、グ
リセリン、Ｎ−メチル−ピロリドン、Ｎ−エチル−ピロ
リドン、Ｎ−ビニル−ピロリドン、1,3−ジメチル−イ
ミダゾリジノン、エチレングリコールモノアリルエーテ
ル、エチレングリコールモノメチルエーテル、ジエチレ
ングリコールモノメチルエーテル等を含有しているのが
好ましく、水溶性有機溶剤の含有量としては、記録液全
重量に対し、０〜50重量％の範囲が挙げられる。Examples of the aqueous medium used in the recording liquid of the present invention include water and water-soluble organic solvents such as ethylene glycol, propylene glycol, butylene glycol, diethylene glycol, triethylene glycol, polyethylene glycol (# 200), and polyethylene glycol (# 400). Containing glycerin, N-methyl-pyrrolidone, N-ethyl-pyrrolidone, N-vinyl-pyrrolidone, 1,3-dimethyl-imidazolidinone, ethylene glycol monoallyl ether, ethylene glycol monomethyl ether, diethylene glycol monomethyl ether, etc. The content of the water-soluble organic solvent is preferably in the range of 0 to 50% by weight based on the total weight of the recording liquid.
本発明の記録液に用いられる前記一般式（Ｉ）の分散
剤において、R1のアルキル基、アルケニル基は直鎖、分
岐鎖のいずれでもよく、アルケニル基の場合はその二重
結合の位置は限定されない。式（Ｉ）の分散剤として
は、具体的には、 等が挙げられる。In the dispersant of the general formula (I) used in the recording liquid of the present invention, the alkyl group and alkenyl group of R 1 may be linear or branched, and in the case of an alkenyl group, the position of the double bond is Not limited. As the dispersant of the formula (I), specifically, And the like.
尚、この様な分散剤としては、ダイヤポンＴ（商品
名、日本油脂（株）製）、ダイヤポンＬ（商品名、日本
油脂（株）製）、リポタックTE（商品名、ライオン
（株）製）等が市販されており、これらを適宜利用する
こともできる。Examples of such dispersants include Diapon T (trade name, manufactured by Nippon Yushi Co., Ltd.), Diapon L (trade name, manufactured by Nippon Oil & Fat Co., Ltd.), and Lipotac TE (trade name, manufactured by Lion Corporation) Are commercially available, and these can be used as appropriate.
本発明の記録液において、これらの分散剤の使用量と
しては顔料の重量に対して30〜100重量％の範囲、好ま
しくは30〜70重量％の範囲が挙げられる。これらの分散
剤は単独で用いても良いが、併用して用いても良い。In the recording liquid of the present invention, the amount of these dispersants used is in the range of 30 to 100% by weight, preferably 30 to 70% by weight, based on the weight of the pigment. These dispersants may be used alone or in combination.
更に本発明の記録液に0.5〜20重量％の界面活性剤を
添加することにより印字後の速乾性及び印字品位を改良
することができる。Further, by adding 0.5 to 20% by weight of a surfactant to the recording liquid of the present invention, quick drying after printing and print quality can be improved.
又、本発明の記録液に尿素、カプロラクタムを添加す
ることにより吐出安定性を、更に改良することができ
る。Further, by adding urea and caprolactam to the recording liquid of the present invention, the ejection stability can be further improved.
［発明の効果］ 本発明の記録液は、インクジェット記録用として用い
られ、記録画像の耐光性、耐水性に優れている他、記録
液としての保存安定性、吐出安定性も著しく良好であ
る。[Effects of the Invention] The recording liquid of the present invention is used for ink jet recording, and has excellent light resistance and water resistance of a recorded image, and also has remarkably good storage stability and ejection stability as a recording liquid.
［実施例］ 本発明を以下の実施例により更に詳細に説明するが、
本発明はこれら実施例により何等限定されるものではな
い。EXAMPLES The present invention will be described in more detail with reference to the following examples.
The present invention is not limited in any way by these examples.
実施例１ 記録液の組成 使用量（ｇ） ポリエチレングリコール（＃200） 15 No.1の分散剤 1.5 Pigment Red−122 ４ 水 残量 合計 100 上記の各成分を容器にとり平均0.5mm径のガラスビー
ズ130mlと共にサンドグラインダー（五十嵐機械製造
（株）製造）を用いて20時間粉砕処理を行った。孔径３
μのテフロンフィルターで加圧過したのち、真空ポン
プ及び超音波洗浄機を用いて脱気処理し記録液を調製し
た。Example 1 Composition of recording liquid Amount used (g) Polyethylene glycol (# 200) 15 Dispersant of No. 1 1.5 Pigment Red-122 4 Water Total remaining amount 100 Glass beads with an average diameter of 0.5 mm in each container Using a sand grinder (manufactured by Igarashi Machine Manufacturing Co., Ltd.) together with 130 ml, a pulverizing treatment was performed for 20 hours. Hole diameter 3
After passing the pressure through a μ Teflon filter, the recording solution was prepared by deaeration using a vacuum pump and an ultrasonic cleaner.
得られた記録液を用いて、インクジェットプリンター
（IO−735、シャープ株式会社製造）を用いて電子写真
用紙（富士ゼロックス（株）製造）にインクジェット記
録を行ない、下記（ａ），（ｂ）及び（ｃ）の方法に従
って、諸評価を行った。Using the obtained recording liquid, inkjet recording was performed on electrophotographic paper (manufactured by Fuji Xerox Co., Ltd.) using an inkjet printer (IO-735, manufactured by Sharp Corporation), and the following (a), (b) and Various evaluations were performed according to the method (c).
（ａ） 記録画像の耐光性 キセノンフェードメーター（スガ試験機（株）製造）
を用いて印字物を100時間照射した後の変退色は小さか
った。(A) Light fastness of recorded images Xenon fade meter (manufactured by Suga Test Instruments Co., Ltd.)
The discoloration and discoloration after irradiating the printed matter for 100 hours by using were small.
（ｂ） 保存安定性 記録液をテフロン容器に密閉し、60℃で２ヶ月保存し
た後でもゲル化することなく、又、沈降物も認められな
かった。(B) Storage stability Even after the recording solution was sealed in a Teflon container and stored at 60 ° C. for 2 months, no gel was formed, and no sediment was observed.
（ｃ） 吐出安定性 室温下48時間の連続吐出を行ったが終始安定した高品
質の記録が行えた。(C) Discharge stability Although continuous discharge was performed at room temperature for 48 hours, stable high-quality recording was performed throughout.
比較例１ 実施例１におけるNo.1の分散剤の代りにナフタレンス
ルホン酸ホルマリン縮合物系分散剤であるディスコール
30（商品名、第一工業製薬（株）製）を用いて記録液を
調整し、実施例１と同様の評価を行った結果、60℃３日
で沈降物が生じ、室温下連続吐出においては15時間で吐
出不能となった。Comparative Example 1 Discall, a naphthalenesulfonic acid formalin condensate-based dispersant, was used in place of No. 1 dispersant in Example 1.
The recording liquid was adjusted using No. 30 (trade name, manufactured by Daiichi Kogyo Seiyaku Co., Ltd.), and the same evaluation as in Example 1 was carried out. As a result, a precipitate was formed at 60 ° C. for 3 days. Failed to discharge in 15 hours.
比較例２ 実施例１におけるNo.1の分散剤の代りにオキシエチレ
ン・オキシプロピレンブロックポリマー型分散剤である
プロノン204（商品名、日本油脂（株）製）を用いて記
録液を調整し、実施例１と同様の評価を行った結果、60
℃７日で沈降物を生じ、室温下連続吐出においては20時
間で吐出不能となった。Comparative Example 2 A recording liquid was prepared using Pronone 204 (trade name, manufactured by NOF CORPORATION), which is an oxyethylene / oxypropylene block polymer type dispersant, instead of the No. 1 dispersant in Example 1, As a result of performing the same evaluation as in Example 1, 60
A sediment was formed at 7 ° C. for 7 days, and it became impossible to discharge in 20 hours in continuous discharge at room temperature.
実施例２ 記録液の組成 使用量（ｇ） ジエチレングリコール 20 No.3の分散剤 １ Pigment Blue−15 ３ 水 残量 合計 100 上記組成物を用い、実施例１と同様にして記録液を調
整し、（ａ），（ｂ），（ｃ）の諸評価を行った結果、
いずれも良好であった。Example 2 Composition of recording liquid Used amount (g) Dispersant of diethylene glycol 20 No. 3 1 Pigment Blue-15 3 Water Total remaining 100 Using the above composition, the recording liquid was prepared in the same manner as in Example 1, As a result of performing various evaluations of (a), (b), and (c),
All were good.
比較例３ 実施例２におけるNo.3の分散剤の代りにポリスチレン
スルホン酸ソーダ系分散剤であるポリナスPS−１（商品
名、東洋曹達工業（株）製）を用いて記録液を調整し、
実施例１と同様の評価を行った結果、60℃４日で沈降物
を生じ、又室温下連続吐出においては13時間で吐出不能
となった。Comparative Example 3 A recording liquid was prepared using Polynas PS-1 (trade name, manufactured by Toyo Soda Kogyo Co., Ltd.), which is a sodium polystyrene sulfonate dispersant, instead of the dispersant No. 3 in Example 2.
As a result of performing the same evaluation as in Example 1, a sediment was generated at 60 ° C. for 4 days, and discharge was impossible in 13 hours in continuous discharge at room temperature.
実施例３ 記録液の組成 使用量（ｇ） No.2の分散剤 0.5 No.4の分散剤 0.5 Pigment Yellow−74 ２ 水 残量 合計 100 実施例４ 記録液の組成 使用量（ｇ） No.1の分散剤 0.5 No.3の分散剤 1.0 No.4の分散剤 1.5 カーボンブラック ６ ε−カプロラクタム ５ 水 残量 合計 100 上記組成物を用い、実施例１と同様にして記録液を調
整し、諸評価を行った結果、実施例１と同様いずれも良
好であった。Example 3 Composition of Recording Liquid Amount (g) No. 2 Dispersant 0.5 No. 4 Dispersant 0.5 Pigment Yellow-74 2 Water Total Remaining 100 Example 4 Composition of Recording Liquid Used Amount (g) No. 1 Dispersant 0.5 No. 3 Dispersant 1.0 No. 4 Dispersant 1.5 Carbon Black 6 ε-Caprolactam 5 Water Total Remaining 100 Using the above composition, a recording liquid was prepared in the same manner as in Example 1, As a result of various evaluations, all were good as in Example 1.
フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) C09D 11/00 - 11/20 ＣＡ（ＳＴＮ)Continuation of the front page (58) Field surveyed (Int. Cl. 6 , DB name) C09D 11/00-11/20 CA (STN)
Claims (2)
基を表わし、R2は炭素数１〜４のアルキル基を表わし、
R3は炭素数１〜３のアルキレン基を表わす。） で示される化合物からなる分散剤（但し、高分子分散剤
と併用する場合を除く）を含有することを特徴とするイ
ンクジェット用記録液。An aqueous medium, a pigment, and the following general formula (1) (Wherein, R 1 represents an alkyl group or alkenyl group having 10 to 20 carbon atoms, R 2 represents an alkyl group having 1 to 4 carbon atoms,
R 3 represents an alkylene group having 1 to 3 carbon atoms. An ink jet recording liquid comprising a dispersant comprising a compound represented by the following formula (excluding the case where the dispersant is used in combination with a polymer dispersant):
７重量％であり、かつ一般式（１）で示される分散剤の
含有量が顔料に対して30〜70重量％であることを特徴と
する請求項１記載のインクジェット用記録液。2. A pigment content of 1 to the total weight of the recording liquid.
2. The ink jet recording liquid according to claim 1, wherein the content is 7% by weight, and the content of the dispersant represented by the general formula (1) is 30 to 70% by weight based on the pigment.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7008990A JP2952944B2 (en) | 1990-03-20 | 1990-03-20 | Inkjet recording liquid |
| EP91104257A EP0448055B1 (en) | 1990-03-20 | 1991-03-19 | Recording liquid for ink jet recording |
| DE69115960T DE69115960T2 (en) | 1990-03-20 | 1991-03-19 | Recording liquid for ink jet recording |
| US07/672,554 US5125968A (en) | 1990-03-20 | 1991-03-20 | Recording liquid for ink jet recording |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7008990A JP2952944B2 (en) | 1990-03-20 | 1990-03-20 | Inkjet recording liquid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03273067A JPH03273067A (en) | 1991-12-04 |
| JP2952944B2 true JP2952944B2 (en) | 1999-09-27 |
Family
ID=13421468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7008990A Expired - Lifetime JP2952944B2 (en) | 1990-03-20 | 1990-03-20 | Inkjet recording liquid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2952944B2 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1516896B1 (en) | 2003-09-22 | 2009-01-21 | FUJIFILM Corporation | Organic pigment fine-particle, and method of producing the same |
| EP1693423B1 (en) | 2005-01-14 | 2012-12-05 | FUJIFILM Corporation | Organic pigment fine-particle, and method of producing the same |
| JP2008231269A (en) | 2007-03-20 | 2008-10-02 | Fujifilm Corp | Organic pigment fine particle, its dispersion, and production process of organic pigment fine particle dispersion |
| US7819967B2 (en) | 2007-11-08 | 2010-10-26 | Fujifilm Corporation | Method of producing an organic fine particle dispersion, organic fine particle dispersion obtained by the same, and ink-jet recording ink and paint using the dispersion |
| JP2009226261A (en) | 2008-03-19 | 2009-10-08 | Fujifilm Corp | Liquid mixing method and liquid mixing apparatus |
| EP2168674A1 (en) | 2008-09-29 | 2010-03-31 | Fujifilm Corporation | Method for producing particulates |
| EP2474574B1 (en) | 2009-09-04 | 2018-08-08 | FUJIFILM Corporation | Process for production of azo pigment, azo pigment, and coloring composition |
| JP5712166B2 (en) | 2011-07-29 | 2015-05-07 | 富士フイルム株式会社 | Dispersion containing azo pigment, coloring composition, ink for inkjet recording, and method for producing dispersion |
| TWI589648B (en) | 2011-07-29 | 2017-07-01 | 富士軟片股份有限公司 | Azo pigment and tautomer thereof, method for producing the same, and dispersion, coloring composition and ink for inkjet recording containing azo pigment and tautomer thereof |
-
1990
- 1990-03-20 JP JP7008990A patent/JP2952944B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03273067A (en) | 1991-12-04 |
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