JP2841678B2 - Inkjet recording liquid - Google Patents
Inkjet recording liquidInfo
- Publication number
- JP2841678B2 JP2841678B2 JP8859390A JP8859390A JP2841678B2 JP 2841678 B2 JP2841678 B2 JP 2841678B2 JP 8859390 A JP8859390 A JP 8859390A JP 8859390 A JP8859390 A JP 8859390A JP 2841678 B2 JP2841678 B2 JP 2841678B2
- Authority
- JP
- Japan
- Prior art keywords
- recording liquid
- compound
- recording
- present
- pigment
- 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 - Fee Related
Links
Landscapes
- 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分散剤を用いた
記録液に関する。Description: TECHNICAL FIELD The present invention relates to a recording liquid using a dispersant suitable for inkjet recording.
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。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、特開昭64−48873、特開昭64−1688
0、特開昭63−289079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。In order 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-64-1688
0, many proposals have been made as described in JP-A-63-289079, etc., but they are not yet sufficient.
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、特開昭56−14785
9、特開昭56−147863、特開昭56−147869、特開昭56−1
57468、特開昭57−21466、特開昭62−74973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-56-14785.
9, JP-A-56-147863, JP-A-56-147869, JP-A-56-1
Many applications have been filed, such as 57468, JP-A-57-21466, and JP-A-62-74973.
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。When using a pigment as a colorant, light resistance, water resistance,
Although it is remarkably improved as compared with dyes, storage stability as a recording liquid is inferior and has not yet been put to practical use.
本発明は記録した画像の耐光性、耐水性が高く、かつ
記録液として保存安定性、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。An object of the present invention is to provide an ink jet recording liquid having high light fastness and high water resistance of a recorded image, and excellent storage stability and ejection stability as a recording liquid. Is based on a new finding that can be achieved by using.
本発明の要旨は水性媒体、顔料並びに下記一般式
〔Ｉ〕 （式中、R1は炭素数８〜20のアルキル基を表わしｎは、
１〜３の整数を表わしＭは、Na又はNH4を表わす。）で
示される化合物及び／又は下記一般式〔II〕 R2−CH＝CHCH2 mSO3M …〔II〕 （式中、R2は炭素数８〜20のアルキル基を表わしｍは１
〜３の整数を表わしＭはNa又はNH4を表わす）。で示さ
れる化合物を含有するインクジェット用記録液に存在す
る。The gist of the present invention is an aqueous medium, a pigment and the following general formula [I] (Wherein, R 1 represents an alkyl group having 8 to 20 carbon atoms, and n is
M represents an integer of 1 to 3 represents a Na or NH 4. Compound and / or the following general formula [II] R 2 -CH = CHCH 2 m SO 3 M ... [II] (wherein represented by), R 2 is m represents an alkyl group having 8 to 20 carbon atoms 1
And M represents Na or NH 4 ). Is present in an inkjet recording liquid containing a compound represented by the formula:
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られる顔料としては、ア
ゾ系、フタロシアニン系、キナクリドン系の他カーボン
ブラックが挙げられるが、とりわけPigment Yellow−7
4,−154;Pigment Red−5,−122;Pigment Blue−15が
好ましい。Examples of the pigment used in the recording liquid of the present invention include azo-based, phthalocyanine-based, and quinacridone-based carbon blacks, and particularly, Pigment Yellow-7.
Pigment Red-5, -122; Pigment Blue-15 are 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、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。The aqueous medium used in the recording liquid of the present invention includes water and water-soluble organic solvents such as ethylene glycol, propylene glycol, butylene glycol, diethylene glycol, triethylene glycol, polyethylene glycol (# 200), polyethylene glycol (# 400), and water. Glycerin, N-methyl-pyrrolidone, N-ethyl-pyrrolidone, N-vinyl-pyrrolidone, 1,3-dimethyl-imidazolidinone, ethylene glycol monoallyl ether, ethylene glycol monomethyl ether, ethylene 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分散剤は、前記一般式
〔Ｉ〕及び〔II〕で表わされる化合物であるが、式中R1
及びR2で示される炭素数８〜20のアルキル基は直鎖状で
も分岐状でも良く、これらの具体例として以下の化合物
が挙げられる。The dispersant used in the recording liquid of the present invention is a compound represented by the general formulas (I) and (II), wherein R 1
And the alkyl group having 8 to 20 carbon atoms represented by R 2 may be linear or branched, and specific examples thereof include the following compounds.
No.5 C11H23−CH＝CH−CH2−SO3Na No.6 C14H29−CH＝CH−CH2CH2−SO3NH4 No.7 C12H25−CH＝CH−CH2SO3Na 尚この様な化合物としては、リポランPB−800（商品
名；ライオン（株）製）、リポランLB−840（商品名；
ライオン（株）製）、リポランPJ−400（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。 No.5 C 11 H 23 -CH = CH-CH 2 -SO 3 Na No.6 C 14 H 29 -CH = CH-CH 2 CH 2 -SO 3 NH 4 No.7 C 12 H 25 -CH = CH —CH 2 SO 3 Na As such compounds, Lipolan PB-800 (trade name; manufactured by Lion Corporation) and Lipolan LB-840 (trade name;
Lion Co., Ltd.) and Lipolan PJ-400 (trade name; manufactured by Lion Co., Ltd.) are commercially available, and these can be used as appropriate.
本発明の記録液において、これらの分散剤の含有量と
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。In the recording liquid of the present invention, the content of these dispersants is in the range of 30 to 100% by weight, preferably 30 to 70% by weight, based on the weight of the pigment.
これらの一般式〔Ｉ〕及び〔II〕で表わされる分散剤
は、単独で用いても良いが、両者を併用することによっ
てより一層の効果を得ることができる。These dispersants represented by the general formulas [I] and [II] may be used alone, but more effective effects can be obtained by using both 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.
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。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.
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。The present invention is described in more detail by 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の化合物 1.5 Pigment Red 122 ４ 水 残量 合 計 100 上記の各成分を容器により平均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。The composition amount of Example 1 recording liquid (g) polyethylene glycol (# 200) 15 No.1 compounds 1.5 Pigment Red 122 4 Water balance Total 100 The above glass beads 130ml of average 0.5mm diameter by each component containers Together with a sand grinder (manufactured by Igarashi Machine Manufacturing Co., Ltd.) for 20 hours. Hole diameter 3
After passing through a Teflon filter with a pressure of μ, 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ケ月保存し
た後でもゲル化することなく、又、沈降物を認められな
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の化合物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（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 compound in Example 1.
Adjust the recording liquid using 30 (manufactured by Daiichi Kogyo Seiyaku Co., Ltd.)
As a result of performing the same evaluation as in Example 1, a sediment was formed at 60 ° C. for 3 days, and in a continuous discharge at room temperature, discharge became impossible in 15 hours.
比較例２ 実施例１におけるNo.1の化合物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（日本油脂（株）製）を用いて記録液を調
製し、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 by using Pronone 204 (manufactured by NOF CORPORATION), which is an oxyethylene / oxypropylene block polymer type dispersant, instead of the No. 1 compound in Example 1. As a result of performing the same evaluation, a sediment was generated at 60 ° C. for 7 days, and the discharge became impossible 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.2の化合物 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 Using amount of the recording liquid (g) using diethylene glycol 20 No.2 compound 1 Pigment Blue 15 3 Water balance Total 100 The above composition was adjusted recording liquid in the same manner as in Example 1, ( Various evaluations of a), (b) and (c) were performed, and all were good.
比較例３ 実施例２におけるN.2の化合物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（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 (manufactured by Toyo Soda Kogyo Co., Ltd.), which is a sodium polystyrene sulfonate-based dispersant, instead of the compound of N.2 in Example 2.
As a result of performing the same evaluation as above, a sediment was generated at 60 ° C for 4 days,
Further, in the continuous discharge at room temperature, the discharge became impossible in 13 hours.
実施例３ 記録液の組成 使用量（ｇ） No.4の化合物 0.5 No.6の化合物 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の化合物 0.5 No.3の化合物 1.0 No.7の化合物 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 used amount of the recording liquid (g) the composition the amount of the compound 0.5 No.6 compounds 0.5 Pigment Yellow-74 2 Water balance Total 100 Example 4 The recording liquid No.4 (g) No.1 compound 0.5 using the No.3 compound 1.0 No.7 compound 1.5 carbon black 6 .epsilon.-caprolactam 5 water balance total 100 the above composition was adjusted recording liquid in the same manner as in example 1, and various evaluation As a result, all were good as in Example 1.
Claims (1)
１〜３の整数を表わし、Ｍは、Na又はNH4を表わす。）
で示される化合物及び／又は下記一般式〔II〕 R2−CH＝CHCH2 mSO3M …〔II〕 （式中、R2は炭素数８〜20のアルキル基を表わしｍは１
〜３の整数を表わしＭはNa又はNH4を表わす）。で示さ
れる化合物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 a compound represented by the following general formula [I]: (Wherein, R 1 represents an alkyl group having 8 to 20 carbon atoms, and n is
Represents an integer of 1 to 3, M represents a Na or NH 4. )
In compound and / or the following general formula [II] R 2 -CH = CHCH in 2 m SO 3 M ... [II] (wherein indicated, R 2 is 1 m represents an alkyl group having 8 to 20 carbon atoms
And M represents Na or NH 4 ). A recording liquid for inkjet, comprising a compound represented by the formula:
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8859390A JP2841678B2 (en) | 1990-04-03 | 1990-04-03 | 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 |
|---|---|---|---|
| JP8859390A JP2841678B2 (en) | 1990-04-03 | 1990-04-03 | Inkjet recording liquid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03287676A JPH03287676A (en) | 1991-12-18 |
| JP2841678B2 true JP2841678B2 (en) | 1998-12-24 |
Family
ID=13947130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8859390A Expired - Fee Related JP2841678B2 (en) | 1990-03-20 | 1990-04-03 | Inkjet recording liquid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2841678B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1674608A1 (en) * | 2004-12-23 | 2006-06-28 | Clariant International Ltd. | Dispersing agent for polyester oligomers |
| JP5063037B2 (en) | 2006-06-12 | 2012-10-31 | キヤノン株式会社 | Inkjet pigment ink |
-
1990
- 1990-04-03 JP JP8859390A patent/JP2841678B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03287676A (en) | 1991-12-18 |
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