CN102942805A - Yellow liquid ink-jet dye - Google Patents
Yellow liquid ink-jet dye Download PDFInfo
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- CN102942805A CN102942805A CN2012102739362A CN201210273936A CN102942805A CN 102942805 A CN102942805 A CN 102942805A CN 2012102739362 A CN2012102739362 A CN 2012102739362A CN 201210273936 A CN201210273936 A CN 201210273936A CN 102942805 A CN102942805 A CN 102942805A
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Abstract
The invention relates to the technical field of ink-jet and especially relates to a yellow liquid ink-jet dye. The yellow liquid ink-jet dye comprises a dye raw material and a solution. The dye raw material comprises a dye ingredient A shown in the structural formula I and a dye ingredient B shown in the structural formula II, wherein in the structural formula I and the structural formula II, M represents H, Li, Na, organic amine or an ammonium ion. The yellow liquid ink-jet dye has low salt content, does not easily produce precipitates in long-term storage, has good storage stability, good light fastness and high water resistance, and can be used as ink for ink-jet printing.
Description
Technical field
The present invention relates to the ink-jet technology field, relate in particular to a kind of yellow dyes.
Background technology
Ink jet printing, be a kind of contactless, without pressure, without the printing of forme.During printing, ink droplet is ejected into a kind of medium (paper, textiles, plastics, metal products) by small nozzle, utilizes electronically controlled that ink droplet is gathered into character or figure.In ink jet printing, meticulous ink droplet carries out ink-jet by different arrangement modes in the mode of continous inkjet and drop on demand ink jet, and in ink jet process, the quality parameter of ink directly has influence on the final quality of printed matter.
At present, many ink-jet printers are by relying on computer control, and the ink set according to four kinds of basic colors (CYMK) mixes various color.Thereby need formulate with strict standard for the form and aspect of various dyestuffs and vividness, and the ink set of required basic colors needs tool to have certain stability in standing storage, guarantee that print image has higher resolving power and good fastness, comprises sun-resistant, anti-ozone and color fastness to water.But in the water-base ink of existing spray ink Printing, the chemical structure of used yellow dyes normally has azo structure.And the most of light fastness of the yellow dyes of azo structure is relatively poor, photosensitivity is serious, affect easily in use the printed matter quality, and the liquid that substantially mostly contains the 9-12% amount of solid for the preparation of the liquid dye of ink-jet printing ink, in the standing storage process, cause easily precipitation, so that aberration appears in the irregular colour of marking ink.
Summary of the invention
The object of the invention is to, provide a kind of yellow liquid ink-jet dye, to solve the problems of the technologies described above.
Technical problem solved by the invention can realize by the following technical solutions:
The yellow liquid ink-jet dye comprises dye material, solution, it is characterized in that, described dye material comprises that structural formula is the dye component A of I and the dye component B that structural formula is II, and the formula of described dye component A, dye component B is as follows:
Wherein, M is H, Li, Na, organic amine or ammonium ion.
Structural formula among the present invention is that the compound of the dye component A representative of I is the yellow dyes with excellent light fastness, the photostabilization of Effective Raise integral body more, but it is short of on color fastness to water to some extent, the dye component A of high density its stability when storage is not good, and that structural formula is dyestuff vividness and the color fastness to water of dye component B of II is good, but solubleness is relatively poor, and the present invention combines described dye component A and described dye component B, take full advantage of the relative merits of two kinds of dye components, make the good stability in storage that has of the yellow ink-jet dye prepared, color fastness to water, light fastness is good, is suitable as spray ink Printing.
In described dye material, the shared mass percent of described dye component A is 25-85%, and the shared mass percent of described dye component B is 15-75%;
Described dye component A arrives 97:3 with the mixed weight ratio of dye component B for 3:97, and preferably 80:20 is to 25:75, and preferably preferred 85:25 is between the 35:65.
Described dye material added in the described solution form aqueous dye solutions, the solid content of described aqueous dye solutions is 8-13%, and the pH value of described aqueous dye solutions is that saltiness is lower than 0.1% between the 6-9.
Described solution can adopt the aqueous solution, also can adopt organic solution, preferably adopts organic solution.
Described solution is organic solution when existing, and described organic solution comprises water, water-miscible organic solvent, and described organic solvent content is 5-35%.
It is as follows that described dye material, solution account for whole mass percent: the water-miscible organic solvent of 1-25% dye material, 3-20%, 1-20% colour additive, surplus are water.
Described solution is the aqueous solution when existing, and the mass percent of described dye material and solution is as follows: 3-35% dye material, 2-30% colour additive, surplus are water.
Described colour additive comprises sanitas, dispersion agent, tensio-active agent, pH adjusting agent, sequestrant, uv-absorbing agent, solubilizing agent, water-soluble high-molecular compound, solubility promoter, antiseptic-germicide.
Water in the described solution can adopt deionized water, and described deionized water is to remove the pure water that is behind the ionic species impurity, and saliferous hardly in the water body is conducive to control the saltiness among the present invention.
Beneficial effect: owing to adopted technique scheme, low salinity of the present invention should not produce throw out in long-time storage, has excellent storage stability, and light fastness, color fastness to water are higher, especially are suitable as ink-jet printing ink and use.
Embodiment
Technique means, the creation characteristic of realizing for the present invention, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Dye material added form aqueous dye solutions in the solution.Containing structural formula in the aqueous dye solutions is the dye component A of I and the dye component B that structural formula is II, and the ratio between dye component A and the dye component B is 5:95 ~ 95:5, and preferably 80:20 is to 25:75, and preferably preferred 85:25 is between the 35:65.In said structure formula I and structure formula II, M is H, Li, Na and organic amine positively charged ion or ammonium ion.Wherein organic amine can be dialkylamine, trialkylamine or alkanolamine.Carbochain contains 1 ~ 10 carbon atom in the alkylamine, is preferably 2 ~ 5 carbon atoms.Organic amine comprises ethamine, thanomin, diethanolamine, trolamine, Propanolamine, diisopropanolamine (DIPA).
Saltiness in the dye material is lower than 1%, better is lower than 0.5%, preferably preferably is lower than 0.1%.The solid content of aqueous dye solutions is 9-12%, preferred 7-8%, and the pH value of aqueous dye solutions be 6-9, is tending towards neutral, preservation 45 days under 0-5 ℃ of low temperature and can not produce precipitation, preservation can not produce precipitation in 180 days under the normal temperature.
When solution exists with the organic solution form, contain 0.1-25% in the aqueous dye solutions, preferably 2 ~ 18%, be preferably 2 ~ 10% dye material, the water-miscible organic solvent amount is 5-35%, is preferably 15 ~ 25%; Also contain 0 ~ 15%, be preferably the colour additive of 7-10%; All the other are moisture.Wherein water-miscible organic solvent comprises the alkanol that contains 1 ~ 4 carbon atom, such as methyl alcohol, and ethanol, propyl alcohol, Virahol, butanols, isopropylcarbinol, sec-butyl alcohol, the trimethyl carbinol; Carboxylic acid or alkylamine are such as DMF and DEF; Lactan such as NMP; Ureas is such as 1,3-methylimidazole alkane ketone, 1,3-dimethyl pyrimidine ketone; The straight chain ketone or the keto-alcohol that contain 3 ~ 6 carbon atoms are such as acetone, methylethylketone and 2-methyl-2-hydroxyl-4-ketone; Ethers such as tetrahydrofuran (THF) are with diox, and the ethylene glycol propylene glycol, butyleneglycol, glycol ether, triglycol, thioglycol, polyoxyethylene glycol, and the three spring months, ethylene glycol monomethyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, triethylene glycol monomethyl ether, triglycol list ether, methyl-sulphoxide etc.
Among the present invention, in the aqueous dye solutions except dye material and solution, also comprise colour additive, colour additive comprises sanitas, dispersion agent, tensio-active agent, pH adjusting agent, sequestrant, uv-absorbing agent, solubilizing agent, water-soluble high-molecular compound, solubility promoter, antiseptic-germicide etc.Wherein, sanitas comprises isothiazolinone, Sodium dehydroacetate, Sodium Benzoate and sodium sorbate.PH adjusting agent comprises diethanolamine, trolamine, lithium hydroxide, sodium hydroxide, ammoniacal liquor, Quilonum Retard and yellow soda ash.Sequestrant comprises sodium ethylene diamine tetracetate, Diethylenetriamine and pyrimidine sodium diacelate.Uv-absorbing agent has sulfonated phenol and sulfonated benzimidazole triazole.Water-soluble polymers has polyvinyl alcohol and poly-imines.Solubilizing agent has hexanolactam, urea and ethylene carbonate.Tensio-active agent has negatively charged ion, positively charged ion and nonionogenic tenside.Antiseptic-germicide then adopts PROXELGXL.
The aqueous dye solutions preparation
Get the dye component A of 65 parts of structure formula I and the dyestuff of 25 parts of structure formula II, evenly mix, make the dye material mixture.The dye material mixture is poured in the solution of 800ml, the organic solvent that contains 75ml in the solution, add proper amount of surfactant, dispersion agent, hexanolactam, sequestrant, solubility promoter, solubilizing agent stir, and be warming up to 15-60 ℃, make dye component A, dye component B substantially be dissolved in solution after, the control temperature is less than under 5 ℃, slowly add sodium hydroxide, make its pH value be controlled to be 7.5.Add sanitas, UV light absorber, antiseptic-germicide.
Aqueous dye solutions testing method and result:
Step 1:
With the dye component embrane method desalination of structure formula I and structure formula II, the dyestuff (I) after the process desalination and (II) all contain the salts contg below 0.1% respectively.Then the structure formula I after the desalination and structure formula II are pressed respectively 80:20,60:40, the ratio of 50:50 is mixed, and adds diethanolamine and regulates pH to 8.0.And add 3% hexanolactam.
Step 2:
10% the aqueous solution is made in above-mentioned dye mixture dilution, measured maximum absorption wavelength and the absorbancy of each dyestuff with the UV-light visible spectrophotometer.
Step 3:
The liquid dye composition that a kind of embodiment is prepared places respectively 0 ℃, 20 ℃ and 60 ℃, observes the Precipitation situation.The results are shown in table 1 after 45 days
Table 1
More than show and describe ultimate principle of the present invention and principal character advantage of the present invention.The technician of the industry should understand the restriction that the present invention is not subjected to above-mentioned using method; that describes in above-mentioned using method and the specification sheets just says principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall into the interior claimed scope of the present invention of the claimed scope of the invention and defined by appending claims and equivalent thereof.
Claims (10)
1. the yellow liquid ink-jet dye comprises dye material, solution, it is characterized in that, described dye material comprises that structural formula is the dye component A of I and the dye component B that structural formula is II, and the formula of described dye component A, dye component B is as follows:
Wherein, M is H, Li, Na, organic amine or ammonium ion.
2. yellow liquid ink-jet dye according to claim 1, it is characterized in that: in described dye material, the shared mass percent of described dye component A is 25-85%, and the shared mass percent of described dye component B is 15-75%;
Described dye component A arrives 97:3 with the mixed weight ratio of dye component B for 3:97, and preferably 80:20 is to 25:75, and preferably preferred 85:25 is between the 35:65.
3. yellow liquid ink-jet dye according to claim 2, it is characterized in that: described dye material is added in the described solution form aqueous dye solutions, the solid content of described aqueous dye solutions is 8-13%, and the pH value of described aqueous dye solutions is that saltiness is lower than 0.1% between the 6-9.
4. yellow liquid ink-jet dye according to claim 3 is characterized in that: described solution employing organic solution.
5. yellow liquid ink-jet dye according to claim 4, it is characterized in that: described organic solution comprises water, water-miscible organic solvent, described organic solvent content is 5-35%.
6. yellow liquid ink-jet dye according to claim 5 is characterized in that: it is as follows that described dye material, solution account for whole mass percent: the water-miscible organic solvent of 1-25% dye material, 3-20%, 1-20% colour additive, surplus are water.It is as follows that described dye material, solution account for whole mass percent: the water-miscible organic solvent of 1-25% dye material, 3-20%, 1-20% colour additive, surplus are water.
7. yellow liquid ink-jet dye according to claim 3 is characterized in that: the described solution employing aqueous solution.
8. yellow liquid ink-jet dye according to claim 7, it is characterized in that: the mass percent of described dye material and solution is as follows: 3-35% dye material, 2-30% colour additive, surplus are water.
9. the arbitrary described yellow liquid ink-jet dye in 8 according to claim 1, it is characterized in that: described colour additive comprises sanitas, dispersion agent, tensio-active agent, pH adjusting agent, sequestrant, uv-absorbing agent, solubilizing agent, water-soluble high-molecular compound, solubility promoter, antiseptic-germicide.
10. yellow liquid ink-jet dye according to claim 9 is characterized in that: the hydromining deionized water in the described solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102739362A CN102942805A (en) | 2012-08-03 | 2012-08-03 | Yellow liquid ink-jet dye |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102739362A CN102942805A (en) | 2012-08-03 | 2012-08-03 | Yellow liquid ink-jet dye |
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| CN102942805A true CN102942805A (en) | 2013-02-27 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5943076A (en) * | 1982-09-03 | 1984-03-09 | Fujitsu Ltd | Yellow ink for ink jet recording |
| CN1151423A (en) * | 1995-04-19 | 1997-06-11 | 精工爱普生株式会社 | Ink composition for color ink jet recording and recording method with the same |
| CN1198456A (en) * | 1997-05-06 | 1998-11-11 | 惠普公司 | Improved dye group for ink-jet printing |
| JP2005089677A (en) * | 2003-09-19 | 2005-04-07 | Konica Minolta Holdings Inc | Dark yellow ink, ink set using the same, inkjet recording method and recorded matter |
| US20110014374A1 (en) * | 2009-07-15 | 2011-01-20 | Holloway Ann P | Yellow inkjet ink having improved print quality with porous photo media |
-
2012
- 2012-08-03 CN CN2012102739362A patent/CN102942805A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5943076A (en) * | 1982-09-03 | 1984-03-09 | Fujitsu Ltd | Yellow ink for ink jet recording |
| CN1151423A (en) * | 1995-04-19 | 1997-06-11 | 精工爱普生株式会社 | Ink composition for color ink jet recording and recording method with the same |
| CN1198456A (en) * | 1997-05-06 | 1998-11-11 | 惠普公司 | Improved dye group for ink-jet printing |
| JP2005089677A (en) * | 2003-09-19 | 2005-04-07 | Konica Minolta Holdings Inc | Dark yellow ink, ink set using the same, inkjet recording method and recorded matter |
| US20110014374A1 (en) * | 2009-07-15 | 2011-01-20 | Holloway Ann P | Yellow inkjet ink having improved print quality with porous photo media |
| WO2011008795A1 (en) * | 2009-07-15 | 2011-01-20 | Lexmark International, Inc. | Yellow inkjet ink having improved print quality with porous photo media |
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Application publication date: 20130227 |