JPH04103673A - Aqueous ink for ink-jet recording - Google Patents
Aqueous ink for ink-jet recordingInfo
- Publication number
- JPH04103673A JPH04103673A JP2220627A JP22062790A JPH04103673A JP H04103673 A JPH04103673 A JP H04103673A JP 2220627 A JP2220627 A JP 2220627A JP 22062790 A JP22062790 A JP 22062790A JP H04103673 A JPH04103673 A JP H04103673A
- Authority
- JP
- Japan
- Prior art keywords
- water
- ink
- organic solvent
- soluble organic
- inkjet recording
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000003960 organic solvent Substances 0.000 claims abstract description 22
- 239000002781 deodorant agent Substances 0.000 claims abstract description 10
- 150000001875 compounds Chemical class 0.000 claims abstract description 6
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 21
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 7
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 125000005843 halogen group Chemical group 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- UZZFFIUHUDOYPS-UHFFFAOYSA-L disodium 4-amino-3,6-bis[[4-[(2,4-diaminophenyl)diazenyl]phenyl]diazenyl]-5-oxido-7-sulfonaphthalene-2-sulfonate Chemical compound [Na+].[Na+].Nc1ccc(N=Nc2ccc(cc2)N=Nc2c(N)c3c(O)c(N=Nc4ccc(cc4)N=Nc4ccc(N)cc4N)c(cc3cc2S([O-])(=O)=O)S([O-])(=O)=O)c(N)c1 UZZFFIUHUDOYPS-UHFFFAOYSA-L 0.000 abstract description 6
- OAYXUHPQHDHDDZ-UHFFFAOYSA-N 2-(2-butoxyethoxy)ethanol Chemical compound CCCCOCCOCCO OAYXUHPQHDHDDZ-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052736 halogen Inorganic materials 0.000 abstract 1
- 150000002367 halogens Chemical class 0.000 abstract 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 9
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 7
- 229960001760 dimethyl sulfoxide Drugs 0.000 description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- 239000000975 dye Substances 0.000 description 6
- 239000012528 membrane Substances 0.000 description 6
- 239000011148 porous material Substances 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 3
- 230000001877 deodorizing effect Effects 0.000 description 3
- 235000011187 glycerol Nutrition 0.000 description 3
- SZNYYWIUQFZLLT-UHFFFAOYSA-N 2-methyl-1-(2-methylpropoxy)propane Chemical compound CC(C)COCC(C)C SZNYYWIUQFZLLT-UHFFFAOYSA-N 0.000 description 2
- QCDWFXQBSFUVSP-UHFFFAOYSA-N 2-phenoxyethanol Chemical compound OCCOC1=CC=CC=C1 QCDWFXQBSFUVSP-UHFFFAOYSA-N 0.000 description 2
- -1 Glycol ethers Chemical class 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical class C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 229960005323 phenoxyethanol Drugs 0.000 description 2
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 1
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical group [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 1
- UEEJHVSXFDXPFK-UHFFFAOYSA-O N-dimethylethanolamine Chemical compound C[NH+](C)CCO UEEJHVSXFDXPFK-UHFFFAOYSA-O 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- QQQCWVDPMPFUGF-ZDUSSCGKSA-N alpinetin Chemical compound C1([C@H]2OC=3C=C(O)C=C(C=3C(=O)C2)OC)=CC=CC=C1 QQQCWVDPMPFUGF-ZDUSSCGKSA-N 0.000 description 1
- 229940121375 antifungal agent Drugs 0.000 description 1
- 239000003429 antifungal agent Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000000981 basic dye Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000000982 direct dye Substances 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- MBABOKRGFJTBAE-UHFFFAOYSA-N methyl methanesulfonate Chemical compound COS(C)(=O)=O MBABOKRGFJTBAE-UHFFFAOYSA-N 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 239000000985 reactive dye Substances 0.000 description 1
- 239000003352 sequestering agent Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Inks, Pencil-Leads, Or Crayons (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用水性インクに関し、更に
詳しくいえば、防臭剤を含有せしめることにより水・溶
性有機溶剤に由来する臭気が少ないインクジェット記録
用水性インクに関する。Detailed Description of the Invention (Industrial Field of Application) The present invention relates to a water-based ink for inkjet recording, and more specifically, an inkjet recording ink that contains a deodorant and has less odor originating from water and soluble organic solvents. Regarding water-based ink.
（従来の技術）
インクジェット記録用水性インクには、ボンド紙やＰＰ
Ｃ用紙などの普通紙への良好な記録特性を有するインク
や、水分蒸発による目詰まりが起こりにくくノズル保護
機構の簡略化が可能なインクが要求されている。(Prior art) Water-based ink for inkjet recording uses bond paper and PP.
There is a need for an ink that has good recording characteristics on plain paper such as C paper, and an ink that is less likely to be clogged due to moisture evaporation and that allows for a simplified nozzle protection mechanism.
従来より、これらの要求特性特性を満足する為に様々な
改善が行われており、例えば、インク中にグリコールエ
ーテル或いはジメチルスルホキシド等の有機溶剤を含有
せしめる技術が挙げられる。Conventionally, various improvements have been made in order to satisfy these required characteristics, including a technique of incorporating an organic solvent such as glycol ether or dimethyl sulfoxide into the ink.
（発明が解決しようとする課題）
しかし、これら従来技術はグリフールエーテルやジメチ
ルスルホ牛シト等の水溶性有機溶剤の使用により各の要
求特性を満足するものの、水溶性有機溶剤と水とを混合
するため水溶性有機溶剤に由来する臭気が生ずる欠点を
有していた。(Problem to be solved by the invention) However, although these conventional techniques satisfy each required characteristic by using water-soluble organic solvents such as glyfur ether and dimethyl sulfonate, they do not require mixing the water-soluble organic solvent and water. Therefore, it had the disadvantage of producing an odor originating from the water-soluble organic solvent.
本発明の目的は、水溶性有機溶剤に由来する臭気の発生
を防止し、臭気の少ないインクジェット記録用水性イン
クを提供することにある。An object of the present invention is to provide a water-based ink for inkjet recording that prevents the generation of odor derived from water-soluble organic solvents and has less odor.
（課題を解決するための手段）
本発明者等は、上記の課題を解決するために鋭意研究を
重ねた結果、本発明を解決するに至った。(Means for Solving the Problems) The present inventors have conducted extensive research to solve the above problems, and as a result, they have come to solve the present invention.
即ち、本発明は水と水性染料と水溶性有機溶剤を含有す
るインクジェット記録用水性インクにおいて、下記一般
式で表される化合物を防・奥側として含有することを特
徴とするインクジェット記録用水性インクに関するもの
である。That is, the present invention provides a water-based inkjet recording ink containing water, a water-based dye, and a water-soluble organic solvent, which is characterized by containing a compound represented by the following general formula as a barrier/back side. It is related to.
（式中、Ｒ１およびＲ２は水素原子、水酸基または炭素
原子数１ないし１２のアルキル基を表し、Ｘは水素原子
またはハロゲン原子を表わす。）上記防臭剤の具体例は
以下の化合物が挙げられるが、本発明はこれらの具体例
に限定されるものではない。(In the formula, R1 and R2 represent a hydrogen atom, a hydroxyl group, or an alkyl group having 1 to 12 carbon atoms, and X represents a hydrogen atom or a halogen atom.) Specific examples of the above deodorant include the following compounds. However, the present invention is not limited to these specific examples.
具体例１
具体例２
具体例５
具体例３
具体例６
具体例４
防臭剤の添加量は、水溶性有機溶剤の種類や含有量によ
りインクへの溶解度が異なる事から一概に規定されない
が、すくなくとも０．０１ｐｐｍ以上が好ましい。又、
防臭剤の添加方法は、インクへ直接添加しても構わない
が、あらかじめ水溶性有機溶剤に溶解した後に水溶性染
料、水等と混合する方法がより高い防臭効果が得られる
。Specific Example 1 Specific Example 2 Specific Example 5 Specific Example 3 Specific Example 6 Specific Example 4 Although the amount of the deodorant added is not absolutely specified because the solubility in the ink varies depending on the type and content of the water-soluble organic solvent, at least It is preferably 0.01 ppm or more. or,
The deodorant may be added directly to the ink, but a higher deodorizing effect can be obtained by first dissolving it in a water-soluble organic solvent and then mixing it with a water-soluble dye, water, etc.
本発明の水溶性有機溶剤の例としては、エチレングリコ
ール又はプロピレングリコールのメチルエーテル、エチ
ルエーテル、イソプロピルエーテル、ｎ−プロピルエー
テル、イソブチルエーテル、ｎ−ブチルエーテル、置換
又は未置換のフェニルエーテル、ジメチルエーテル、ジ
エチルエーテル等のグリコールエーテル類；ジメチルス
ルホキシド；エチレングリコール、ジエチレングリコー
ル、トリエチレングリコール、ポリエチレンクリコール
、ポリプロピレングリコール、グリセリン等の多価アル
コール類；モノエタノールアミン、ジェタノールアミン
、トリエタノールアミン、Ｎ−メチルジェタノールアミ
ン、Ｎ−エチルジェタノールアミン、Ｎ−ブチルジェタ
ノールアミン Ｎ。Examples of the water-soluble organic solvent of the present invention include methyl ether, ethyl ether, isopropyl ether, n-propyl ether, isobutyl ether, n-butyl ether, substituted or unsubstituted phenyl ether, dimethyl ether, diethyl ether of ethylene glycol or propylene glycol. Glycol ethers such as ether; dimethyl sulfoxide; polyhydric alcohols such as ethylene glycol, diethylene glycol, triethylene glycol, polyethylene glycol, polypropylene glycol, glycerin; monoethanolamine, jetanolamine, triethanolamine, N-methyl sulfoxide; Tanolamine, N-ethylgetanolamine, N-butylgetanolamine N.
Ｎ−ジメチルエタノールアミン等のアルカノールアミン
類；等が挙げられ、これらの水溶性有機溶剤は、単独若
しくは複数を組み合わせて使用することができる。但し
、本発明に使用し得る水溶性有機溶剤はこれらに限定さ
れるものではない。Alkanolamines such as N-dimethylethanolamine; etc., and these water-soluble organic solvents can be used alone or in combination. However, the water-soluble organic solvents that can be used in the present invention are not limited to these.
本発明のインクジェット記録用インクは水溶性有機溶剤
がグリコールエーテル類の場合、高い防臭効果が得られ
る。In the inkjet recording ink of the present invention, when the water-soluble organic solvent is a glycol ether, a high deodorizing effect can be obtained.
本発明のインクジェット記録用インクは水溶性有機溶剤
がジメチルスルホキシドの場合、高い防臭効果が得られ
る。In the inkjet recording ink of the present invention, when the water-soluble organic solvent is dimethyl sulfoxide, a high deodorizing effect can be obtained.
水性染料は直接染料、酸性染料、塩基性染料、反応性染
料等の中から適宜選択され、単独若しくは複数を組み合
わせて使用することができる。The aqueous dye is appropriately selected from direct dyes, acidic dyes, basic dyes, reactive dyes, etc., and can be used alone or in combination.
水は、染料の溶解安定性、重金属イオンによるノズル目
詰まりを防止するために、イオン交換水以上の純度のも
のが好ましい。The water preferably has a purity higher than that of ion-exchanged water in order to maintain dye dissolution stability and prevent nozzle clogging due to heavy metal ions.
水、水溶性染料、水溶性有機溶剤の添加料は、インクへ
の要求特性や、要求物性を考慮しながら適宜決定するこ
とができる。Additives such as water, a water-soluble dye, and a water-soluble organic solvent can be appropriately determined while taking into consideration the required characteristics of the ink and the required physical properties.
また、本発明のインクジェット記録用インクには、防腐
剤、防黴剤、重金属封鎖剤等の公知の添加剤が使用でき
る。Furthermore, known additives such as preservatives, antifungal agents, and heavy metal sequestering agents can be used in the inkjet recording ink of the present invention.
（実施例）
次に実施例及び比較例を挙げて本発明を更に具体的に説
明する。尚、文中の部、ｐｐｍは重量基準である。(Example) Next, the present invention will be explained in more detail by giving examples and comparative examples. Note that ppm in the text is based on weight.
実施例１
具体例１の物質 １゜Ｏｐｐｍジエチレン
グリコール
一〇−ブチルエーテル ８．０ 部ジエチレン
グリコール １５．０ 部Ｃ，１，Ｄｉｒｅｃｔ
Ｂｌａｃｋ １９ ２．０部
イオン交換水 残部
上記各成分のうち具体例１の物質とジエチレングリコー
ル−ｎ−ブチルエーテルとを混合溶解した後に残りの成
分を追加溶解し、孔径０． ５μｍのメンブランフィル
タ−で濾過を行い、本発明のインクを得た。Example 1 Substance of Specific Example 1 1° Oppm diethylene glycol 10-butyl ether 8.0 parts Diethylene glycol 15.0 parts C, 1, Direct Black 19 2.0 parts Ion-exchanged water Remaining substance of Specific Example 1 among the above components After mixing and dissolving diethylene glycol-n-butyl ether and diethylene glycol-n-butyl ether, the remaining components were further dissolved and the pore size was adjusted to 0. Filtration was performed using a 5 μm membrane filter to obtain the ink of the present invention.
得られたインクは臭気がなく、６力月間の放置後も析出
物の発生はなかった。また、ドロップ・オン・デマンド
方式のインクジェットプリンターに搭載し連続印字を行
ったが吐出安定性は良好であった。The resulting ink had no odor, and no precipitates were generated even after it was left to stand for 6 months. In addition, continuous printing was performed using a drop-on-demand inkjet printer, and the ejection stability was good.
実施例２
具体例２の物質 １．０ｐｐｍエチレング
リコール
モノ フェニルエーテル １．５ 部グリセリン
１５．０ 部トリエタノールアミン
１．０ 部Ｃ，１，Ｄｉｒｅｃｔ
Ｂｌａｃｋ １９ ２．０部
イオン交換水 残部
上記各成分のうち具体例２の物質とエチレングリコール
モノフェニルエーテルとを混合溶解シタ後に残りの成分
を追加溶解し、孔径０．５μｍのメンブランフィルタ−
で濾過を行い、本発明のインクを得た。Example 2 Substances of Example 2 1.0 ppm ethylene glycol monophenyl ether 1.5 parts glycerin 15.0 parts triethanolamine
1.0 part C, 1, Direct Black 19 2.0 parts ion-exchanged water Remaining part Among the above components, mix and dissolve the substance of Example 2 and ethylene glycol monophenyl ether, then add and dissolve the remaining components and adjust the pore size. 0.5μm membrane filter
The ink of the present invention was obtained by filtration.
得られたインクは臭気がなく、６力月間の放置後も析出
物の発生はなかった。また、ドロップ・オン・デマンド
方式のインクジェットプリンターに搭載し連続印字を行
ったが吐出安定性は良好であった。The resulting ink had no odor, and no precipitates were generated even after it was left to stand for 6 months. In addition, continuous printing was performed using a drop-on-demand type inkjet printer, and the ejection stability was good.
実施例３
具体例３の物質 １０．０ｐｐｍジメチルス
ルホキシド ６０．０ 部ジエチレングリコー
ル １５．０ 部Ｃ，Ｉ、 Ｄｉｒｅｃｔ
Ｂｌａｃｋ １９ ２．０部
イオン交換水 残部
上記各成分のうち具体例３の物質とジメチルスルホキシ
ドとを混合溶解した後に残りの成分を追加溶解し、孔径
０． ５μｍのメンブランフィルタ−で濾過を行い、本
発明のインクを得た。Example 3 Substance of Specific Example 3 10.0 ppm Dimethyl sulfoxide 60.0 parts Diethylene glycol 15.0 parts C, I, Direct Black 19 2.0 parts Ion-exchanged water Remainder The substance of Specific Example 3 and dimethyl sulfoxide among the above components After mixing and dissolving the remaining components, the remaining components are further dissolved and the pore size is 0. Filtration was performed using a 5 μm membrane filter to obtain the ink of the present invention.
得られたインクは臭気がなく、６力月間の放置後も析出
物の発生はなかった。また、ドロップ・オン・デマンド
方式のインクジェットプリンターに搭載し連続印字を行
ったが吐出安定性は良好であった。The resulting ink had no odor, and no precipitates were generated even after it was left to stand for 6 months. In addition, continuous printing was performed using a drop-on-demand type inkjet printer, and the ejection stability was good.
比較例１
ジエチレングリコール
−ｎ−ブチルエーテル ８．０ 部ジエチレン
グリコール １５．０ 部Ｃ，１，Ｄｉｒｅｃｔ
Ｂｌａｃｋ １９ ２．０部
イオン交換水 残部
（実施例１より本発明の防臭剤を除いた組成）上記各成
分を混合溶解し、孔径０．５μｍのメンブランフィルタ
−で濾過を行い、本発明のインクを得た。Comparative Example 1 Diethylene glycol-n-butyl ether 8.0 parts Diethylene glycol 15.0 parts C, 1, Direct Black 19 2.0 parts Ion-exchanged water Remainder (composition from Example 1 excluding the deodorant of the present invention) Each of the above components were mixed and dissolved, and filtered through a membrane filter with a pore size of 0.5 μm to obtain the ink of the present invention.
得られたインクからは強い臭気が感じられた。A strong odor was felt from the obtained ink.
しかし、６力月間の放置後も析出物の発生はなかった。However, no precipitates were generated even after being left for 6 months.
また、ドロップ・オン・デマンド方式のインクジェット
プリンターに搭載し、連続印字を行ったが吐出安定性は
良好であった。We also installed it in a drop-on-demand inkjet printer and performed continuous printing, and the ejection stability was good.
比較例２
エチレングリフール
モノ フェニルエーテル １．５ 部グリセリン
１５．０ 部トリエタノールアミン
１．０ 部Ｃ，Ｉ、 Ｄｉｒｅｃｔ
Ｂｌａｃｋ １９ ２．０部
イオン交換水 残部
（実施例２より本発明の防臭剤を除いた組成）上記各成
分を混合溶解し、孔径０． ５μｍのメンブランフィル
タ−で濾過を行い、本発明のインクを得た。Comparative Example 2 Ethyleneglyfur monophenyl ether 1.5 parts Glycerin 15.0 parts Triethanolamine
1.0 parts C, I, Direct Black 19 2.0 parts ion-exchanged water Remaining part (composition from Example 2 excluding the deodorant of the present invention) The above components were mixed and dissolved, and the pore size was 0. Filtration was performed using a 5 μm membrane filter to obtain the ink of the present invention.
得られたインクからは強い臭気が感じられた。A strong odor was felt from the obtained ink.
しかし、６力月間の放置後も析出物の発生はなかった。However, no precipitates were generated even after being left for 6 months.
また、ドロップ・オン・デマンド方式のインクジェット
プリンターに搭載し、連続印字を行ったが吐出安定性は
良好であった。We also installed it in a drop-on-demand inkjet printer and performed continuous printing, and the ejection stability was good.
比較例３
ジメチルスルホキシド ６０．０ 部ジエチレ
ングリコール １５．０ 部Ｃ，１，Ｄｉｒｅｃ
ｔ
Ｂｌａｃｋ １９ ２．０部
イオン交換水 残部
（実施例３より本発明の防臭剤を除いた組成）上記各成
分を混合溶解し、孔径０．５μｍのメンブランフィルタ
−で濾過を行い、本発明のインクを得た。Comparative Example 3 Dimethyl sulfoxide 60.0 parts Diethylene glycol 15.0 parts C,1,Direc
t Black 19 2.0 parts ion-exchanged water Remaining part (composition from Example 3 excluding the deodorant of the present invention) The above components were mixed and dissolved, and filtered through a membrane filter with a pore size of 0.5 μm to obtain the composition of the present invention. Got the ink.
得られたインクからは強い臭気が感じられた。A strong odor was felt from the obtained ink.
しかし、６力月間の放置後も析出物の発生はなかった。However, no precipitates were generated even after being left for 6 months.
また、ドロップ・オン・デマンド方式のインクジェット
プリンターに搭載し、連続印字を行ったが吐出安定性は
良好であった。We also installed it in a drop-on-demand inkjet printer and performed continuous printing, and the ejection stability was good.
（発明の効果）
本発明のインクジェット記録用水性インクは、水溶性有
機溶剤に由来する臭気を効果的に防ぐことができる。(Effects of the Invention) The aqueous inkjet recording ink of the present invention can effectively prevent odor originating from water-soluble organic solvents.
代理人 弁理士 高 橋 勝 利Agent: Patent Attorney Katsutoshi Takahashi
Claims (1)
ェット記録用水性インクにおいて、下記一般式で表され
る化合物を防臭剤として含有することを特徴とするイン
クジェット記録用水性インク。 ▲数式、化学式、表等があります▼ （式中、Ｒ１およびＲ２は水素原子、水酸基または炭素
原子数１ないし１２のアルキル基を表し、Ｘは水素原子
またはハロゲン原子を表わす。） ２、水溶性有機溶剤としてグリコールエーテルを含有す
ることを特徴とする特許請求の範囲第１項記載のインク
ジェット記録用水性インク。 ３、水溶性有機溶剤としてジメチルスルホキシドを含有
することを特徴とする特許請求の範囲第１項記載のイン
クジェット記録用水性インク。[Scope of Claims] 1. A water-based inkjet recording ink containing water, a water-based dye, and a water-soluble organic solvent, which is characterized by containing a compound represented by the following general formula as a deodorant. ink. ▲There are mathematical formulas, chemical formulas, tables, etc.▼ (In the formula, R1 and R2 represent a hydrogen atom, a hydroxyl group, or an alkyl group having 1 to 12 carbon atoms, and X represents a hydrogen atom or a halogen atom.) 2. Water-soluble The aqueous ink for inkjet recording according to claim 1, characterized in that it contains glycol ether as an organic solvent. 3. The water-based ink for inkjet recording according to claim 1, which contains dimethyl sulfoxide as a water-soluble organic solvent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2220627A JPH04103673A (en) | 1990-08-22 | 1990-08-22 | Aqueous ink for ink-jet recording |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2220627A JPH04103673A (en) | 1990-08-22 | 1990-08-22 | Aqueous ink for ink-jet recording |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04103673A true JPH04103673A (en) | 1992-04-06 |
Family
ID=16753940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2220627A Pending JPH04103673A (en) | 1990-08-22 | 1990-08-22 | Aqueous ink for ink-jet recording |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04103673A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6042640A (en) * | 1998-06-29 | 2000-03-28 | Xerox Corporation | Deodorization of sulfur-containing solvents by oxidation |
| US6123757A (en) * | 1998-07-28 | 2000-09-26 | Microjet Technology Co., Ltd. | Fragrant ink for ink-jet printers |
-
1990
- 1990-08-22 JP JP2220627A patent/JPH04103673A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6042640A (en) * | 1998-06-29 | 2000-03-28 | Xerox Corporation | Deodorization of sulfur-containing solvents by oxidation |
| US6123757A (en) * | 1998-07-28 | 2000-09-26 | Microjet Technology Co., Ltd. | Fragrant ink for ink-jet printers |
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