CN101768385A - Colorless ink - Google Patents
Colorless ink Download PDFInfo
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- CN101768385A CN101768385A CN200810205028A CN200810205028A CN101768385A CN 101768385 A CN101768385 A CN 101768385A CN 200810205028 A CN200810205028 A CN 200810205028A CN 200810205028 A CN200810205028 A CN 200810205028A CN 101768385 A CN101768385 A CN 101768385A
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Abstract
The invention provides a colorless auxiliary ink composition. The ink composition comprises at least one water soluble dye-fixing agent and water, wherein the molecules of the dye-fixing agent comprise groups that can be bonded with water soluble ionic groups in the dye molecules in the jet dye ink to form a water insoluble precipitate; and the dosage of the water soluble dye-fixing agent is 1 to 50 percent based on the total weight of the composition. When pre-coated on printing mediums, the colorless auxiliary ink composition is contacted with the color jet ink jetted on the printing mediums later for reaction to form the water insoluble precipitate, so the water proof property of the jet ink is improved.
Description
Technical field
The present invention relates to a kind of colorless ink, relate in particular to a kind of colourless auxiliary ink that is coated onto in advance on the ink-jet printing media.
Background technology
Water-based jet ink can be divided into dye ink and paint ink two classes usually.Dye ink is bright in luster, but relatively poor by the water tolerance and the light fastness of its image that forms.Though the water tolerance of the image of its formation of paint ink and photostabilization etc. are functional, vividness also constantly is improved, and its cost is higher.So dye ink still has the bigger market requirement.
For improving the water-repellancy and the photostabilization of image that dye ink forms, one's own profession those skilled in the art mainly by improving ink set, such as the molecular structure that improves dyestuff or increase functional additive in ink.Wherein the former cost is very high, the functional additive that the latter often requires to be added have water-soluble and and not with ink in other composition react, and because printhead orifice is very little, sometimes functional additive can stop up spray orifice, cause the selection face of spendable functional additive very narrow thus, so the method for adding functional additive is very restricted in ink.
Summary of the invention
Because the defective of above-mentioned existing dye ink, the dye ink that improves of demand image water tolerance still in the industry, the also dye ink that improves simultaneously of demand water tolerance and photostabilization.
Thus, the invention provides a kind of colourless auxiliary ink, it is coated onto on the ink-jet printing media in advance, laking agent in this auxiliary ink contacts with the dye molecule that is ejected into the pigmented inkjet ink on the print media subsequently and combination, form water-fast precipitation, make the image that forms on the print media have water tolerance thus.Because dye molecule and laking agent combine, and also can improve the photostabilization of dye molecule.In addition, by adopting macromolecule resin type laking agent and/or adding ultraviolet absorbers, can also make the water tolerance of formed image and photostabilization better.
In a first aspect of the present invention, a kind of colorless ink composition is provided, comprise: at least a water soluble color-fixing agent and water, this laking agent intramolecularly comprises such group: it can combine with the water soluble ion group in the dye molecule in the ink-jet dye ink, forms water-fast precipitation; The consumption of described water soluble color-fixing agent is 1 weight %-50 weight %, is benchmark with the composition total weight.
One preferred embodiment in, described laking agent is a macromolecule resin.
One preferred embodiment in, described macromolecule resin is anionic or cation type resin.
One preferred embodiment in, described dyestuff is the anionic dyestuff, described laking agent is the cationic high-molecular resin.
One preferred embodiment in, described dyestuff is a cationic dyes, described laking agent is the anionic macromolecule resin.
One preferred embodiment in, described cationic high-molecular resin is selected from following one or more: polypropylene amine resin, versamid 900, polyvinyl imide resin, polyquaternium, Dyhard RU 100 formaldehyde condensation resin and Dyhard RU 100 polyethylene polyamines condenses resin.
One preferred embodiment in, described anionic dyestuff is selected from: matching stain, reactive dyestuffs or substantive dyestuff.
One preferred embodiment in, the water soluble group of described anionic dyestuff be the acidic-group that is selected from following one or more :-OH ,-SO
3H and-COOH.
One preferred embodiment in, colorless ink composition of the present invention also comprises: at least a tensio-active agent and/or at least a wetting Agent for Printing Inks.
One preferred embodiment in, colorless ink composition of the present invention also comprises: at least a water-soluble ultraviolet light absorption agent.
In a second aspect of the present invention, a kind of the present invention is provided the purposes of colourless auxiliary ink, it is used for being coated onto in advance print media, contacts and reacts with being ejected into ink for ink-jet print on the print media subsequently, forms water-fast precipitation.
In a third aspect of the present invention, a kind of the present invention is provided the using method of colourless auxiliary ink, comprise: be coated onto colorless ink composition of the present invention on the print media in advance earlier, then, on this print media, spray ink for ink-jet print, the colorless ink composition contacts with ink for ink-jet print, and reacts, and forms water-fast precipitation.
Embodiment
Characteristics of the present invention are: adopt laking agent to make colourless auxiliary ink, pre-coating device by printer, be coated onto colourless auxiliary ink on the print media in advance, colored ink for ink-jet print sprays from the shower nozzle of printer subsequently, two kinds of inks contact on print media and react, form water-fast precipitation, the image of Xing Chenging has water tolerance thus, and can any influence not arranged to printhead.Because laking agent in the auxiliary ink and the dye molecule in the ink for ink-jet print combine, and have also improved the photostabilization of dye molecule.By adopting the macromolecule resin laking agent and/or in colorless ink, adding ultraviolet absorbers, can also further improve the photostabilization of formed image.
Colorless ink cost of the present invention is very low, and its prescription and preparation process are simple, and its using method is also simple, and be very easy to use.
Colourless auxiliary ink composition of the present invention comprises: at least a water soluble color-fixing agent and water, this laking agent intramolecularly comprises such group: it can combine with the water soluble ion group in the dye molecule in the ink-jet dye ink, forms water-fast precipitation.Wherein the water soluble ion group in the dye molecule be for example-OH ,-SO
3H ,-COOH or the like.
The preferred deionized water of water that uses in this colourless auxiliary ink composition.
Wherein said laking agent can be any water soluble color-fixing agent, as long as its intramolecularly comprises such group: can combine with the water soluble ion group of dyestuff and form water-fast precipitation.Preferred macromolecule resin.Resin is preferably selected for use colourless or light color, in order to avoid influence the image effect of pigmented inkjet ink.
In addition, macromolecule resin can also form thin film on dried image, and the protection image makes it water tolerance and photostabilization is better, gives its erasibility simultaneously.
Described macromolecule resin can be an anionic, also can be cation type resin.If dyestuff is the anionic dyestuff, so as the macromolecule resin of laking agent with regard to preferred cationic type resin.If dyestuff is a cationic dyes, so as the macromolecule resin of laking agent with regard to preferred anionic type resin.The anionic dyestuffs that use in the ink-jet dye, correspondingly, the occasion of using resin cation (R.C.) is according to many more.The preferred resin cation (R.C.) that uses preferably uses the anionic dyestuff simultaneously as laking agent.
The cation group of resin cation (R.C.) combines with the anionic group of anionic dyestuff, forms water-fast precipitation, and the water soluble ion group of dyestuff is closed, and has improved the water tolerance of dyestuff.In addition, very advantageously be, the cation group of resin cation (R.C.) can also with print media for example the oh group of the cellulosic component in the paper combine, thus print media is had high tack and adsorptivity, and improve the adhesive ability of dyestuff on medium, increase the erasibility of the image that forms.
Under the situation of using the anionic resin, the anionic group of resin anion(R.A) combines with the water-soluble cationic group of cationic dyestuff, forms water-fast precipitation, and the water soluble ion group of dyestuff is closed, and improves the water tolerance of dyestuff.
Be preferably selected from following one or more as the macromolecule resin of laking agent in the present invention: polypropylene amine resin, versamid 900, polyvinyl imide resin, polyquaternium, Dyhard RU 100 formaldehyde condensation resin and Dyhard RU 100 polyethylene polyamines condenses resin.
The further optimization polypropylene polyimide resin of cation high molecular resin, versamid 900, polyvinyl imide resin, polyquaternium or the like.
The object lesson of polypropylene amine resin comprises: available from PAA-H-10C, the PAA-1025 of Japanese NITTOBO Specialty chemical company, PAA-D-41 or the like
The object lesson of versamid 900 comprises: available from PAS-A-1, PAS-92, the PAS-M-1 of Japanese NITTOBO Specialty chemical company.
The resinoid object lesson of polyvinyl imines comprises: available from SP200, the SP018 of Japanese catalyst (shokubai) company, SP008 etc.
The object lesson of polyquaternary amine salt comprises: available from DANFIX-SC-8, the DANFIX-202 of Japanese NITTOBO speciaity chemical company, DANFIX-303 etc. with available from HYPF-512 of Silver Lake, Hangzhou chemical company etc.The positive charge nitrogen-atoms of quaternary ammonium salt is positioned on the main chain of polymkeric substance, with the sulfonic acid anionic charge of dyestuff the intensive coulomb interaction is arranged, simultaneously also with the print media of cellulose base stationery in fiber very big avidity is arranged, help in conjunction with and be attached on the print media.
The object lesson of Dyhard RU 100 formaldehyde condensation resin comprises: available from the color fixing agent Y of Silver Lake, Hangzhou chemical company.
The object lesson of Dyhard RU 100 polyethylene polyamines condenses resin comprises: available from the Neofix RP-70 of Japanese solar corona company; Change into the Sunfix-FT PRO-100 of company available from SANYO GS; Fixoil R-810 and home-made DFRF-1 and DFRF-2 etc. available from Japan bright one-tenth company.This condenses resin is compared with Dyhard RU 100 formaldehyde condensation resin, does not contain free formaldehyde, also can not discharge formaldehyde, and is better to environment and HUMAN HEALTH, is the formaldehydeless laking agent of environment-friendly type, is used for activity, direct and matching stain.
The consumption of laking agent in composition is 1 weight %-50 weight %, preferred 5-45 weight %, and more preferably 10-40 weight %, preferred again 15-40 weight %, preferred again 20-35 weight % is a benchmark with the composition total weight.Laking agent too high levels, particularly macromolecule resin class laking agent can make the viscosity of colorless ink excessive, and influence is coated to the effect on the print media.Laking agent content is low excessively, and water-repellancy improves not obvious.
Being used for ink-jet dye of the present invention can be the anionic dyestuff, also can be cationic dyes.The preferred anionic type dye is selected from matching stain, reactive dyestuffs or substantive dyestuff.For example azo class, anthraquinone class, triazines dyestuff.The water soluble group of anionic dyestuff preferably be selected from the acidic-group of following one or more :-OH ,-SO
3H and-COOH.
The object lesson of anionic dyestuff comprises: reactive red 21, Reactive Blue 19 100, reactive yellow 37 and available from bright blue or green BA, Bayscript of yellow GGN, Bayscript of Bayscript yellow BR, Bayscript blue or green GA, the Bayscript fuchsin BB that contains chemistry; Available from the yellow 3GF of the cartasol of Clariant company; The yellow RW of Carta; The red R-F3B of Duasyn; Drimamine fuchsin CR; The blue or green FRL of Duasyn; The blue GNS of Carta Brilliant; The black LD of EVERACID available from light group forever; The yellow SF-R of EVERMAX; The yellow SF-N of EVERMAX; The red SF-2B of EVERMAX; The red SF-4B of EVERMAX; The red SF-N of EVERMAX; The blue SF-G of EVERMAX; The blue SF-B of EVERMAX is available from the black x-35 of Basacid of Bath good fortune; Basacid deceives x-40; The yellow NB 132 of Basacid; Basacid red 495; Red 510Basacid green grass or young crops 765 of Basacid or the like.
In the embodiment that adopts cationic dyes, the preferred anionic polymer resin that uses is as laking agent, the anionic polymer resin preferably contains anionic group, for example sulfonic acid, 1-naphthalene sulfonic aicd, phosphoric acid ,-OH group etc., these anionic groups can combine with the cation group in the cationic dyestuff, form water-fast precipitation.
Colorless ink composition of the present invention also preferably comprises at least a ultraviolet absorbers, to improve the image photostabilization.The present invention is not particularly limited for the concrete kind of ultraviolet absorbers, can adopt the conventional ultraviolet absorbers in the industry.Comprise and be not limited to: UWR E-110, UWR E-88, UWRE-130, BP-4 and BP-9 or the like.
Colorless ink composition of the present invention also preferably comprises at least a tensio-active agent and wetting Agent for Printing Inks.The present invention is not particularly limited for the concrete kind of tensio-active agent and wetting Agent for Printing Inks, can adopt conventional surfactants and wetting Agent for Printing Inks in the industry.Tensio-active agent can preferably adopt ethynyl polyoxyethylene ether surface active agent (for example Sulfynol 465), fluorin modified crylic acid ester (for example available from the Shanghai moral give the Efka 3580 of trade Co., Ltd) and alkyne diol base nonionic Gemini tensio-active agent (for example Dynol).Wetting Agent for Printing Inks can preferably adopt low volatile organic solvent, for example glycerine, alpha-pyrrolidone, polyoxyethylene glycol etc.
The also optional sanitas that comprises of colorless ink of the present invention.
Colorless ink preparation of compositions of the present invention adopts the ordinary method in the industry to carry out.Comprise: laking agent is mixed according to required ratio with water, and add optional components, for example: tensio-active agent, wetting Agent for Printing Inks, ultraviolet absorbers and sanitas etc., mix, form colorless ink composition of the present invention.
Colourless auxiliary ink of the present invention and ink for ink-jet print combination are used, and make the image of formation have unexpected good water tolerance, also have good photostabilization and extraordinary erasibility simultaneously.And the prescription of this ink is simple, prepares simple and easyly, and cost is very low, and is also easy to use, any influence can not arranged to the printhead of printer.
Testing method
Water resistance test
C63 model printer available from Epson prints to ink jet on the plain copying paper, prints color lump, immerses in the water 1 minute, and is dry under field conditions (factors) then, measures the colour density value of color lump before and after immersion.
The photostabilization test
C63 model printer available from Epson prints to ink jet on the plain copying paper, prints color lump, and irradiation is 2 hours under UV-light, measures the colour density value of color lump behind pre-irradiation.
The test of colour density value
The colour density value of color lump adopts conventional colour density instrument to measure, for example available from the WI-QA-1011 type colour density instrument of Guangdong Zhong Shan rainbow printing consumables company limited.Measuring process is as follows:
-open colour density instrument power switch, proofread and correct.
-measuring head is placed on the not printing portion of the paper that will measure colour density, measure the parameter of paper; Then measuring head is put on the color lump that to measure colour density, can demonstrates the colour density of institute's colour examining piece on the instrument screen automatically.To average in the different sites replicate measurement several times for a color lump.
The rangeability of the rangeability of the colour density value before and after the color lump that prints soaks in water resistance test and the color lump colour density value behind the pre-irradiation in the photostabilization test, be divided into A, B, C and four grades of D, wherein: A represents that rangeability is less than 10%, B represents that rangeability is less than 20%, C represents rangeability less than 30%, and D represents that rangeability is greater than 30%.Rangeability is more little, and expression water tolerance and photostabilization are good more.
Embodiment
According to the prescription of the embodiment 1-8 shown in the table 1-2, each component that each embodiment is required mixes according to required consumption, makes the colourless auxiliary ink composition of each embodiment respectively.
Under same condition, according to the prescription of Comparative Examples shown in the table, each component that Comparative Examples is required mixes according to required consumption, makes the composition of Comparative Examples.
According to above-mentioned water tolerance and sunproof testing method, measure the colour density of the color lump that the auxiliary ink composition of each embodiment and Comparative Examples printed, and in water resistance test the colour density value before and after the immersion rangeability and in the photostabilization test rangeability of the colour density value behind the pre-irradiation.The rangeability of colour density is divided into 4 grades, represents with A-D respectively.Test result is shown in following table 1-2.
The prescription of the colourless auxiliary ink of table 1 embodiment 1-4 and Comparative Examples and The performance test results thereof
Numerical value in the form is each components contents in the composition for ink, and unit is weight %, is benchmark with the gross weight of composition for ink.
From the table data as can be seen, the colourless auxiliary ink of embodiment of the invention 1-4 is compared with Comparative Examples, water tolerance all has improvement than Comparative Examples, and water-proof improvement degree increases along with increasing of laking agent content.Simultaneously, the auxiliary ink of embodiment 1-4 is compared with Comparative Examples, all has extraordinary photostabilization.This is because laking agent can combine with dye molecule, improved the photodegradative ability of dye molecule uvioresistant, and macromolecule resin type laking agent improves water tolerance better forming thin film after the image dried on image.
The prescription of the colourless auxiliary ink of table 2 embodiment 5-8 and Comparative Examples and The performance test results thereof
From the table data as can be seen, the colourless auxiliary ink of embodiment of the invention 5-8 is compared with Comparative Examples, water tolerance all has improvement than Comparative Examples, and water-proof improvement degree increases along with increasing of laking agent content.Simultaneously, the auxiliary ink of embodiment 5-8 is compared with Comparative Examples, all has extraordinary photostabilization.This is because laking agent can combine with dye molecule, improved the photodegradative ability of dye molecule uvioresistant, and macromolecule resin type laking agent improves water tolerance better forming thin film after the image dried on image.
Claims (10)
1. colorless ink composition comprises: at least a water soluble color-fixing agent and water, and this laking agent intramolecularly comprises such group: it can combine with the water soluble ion group in the dye molecule in the ink-jet dye ink, forms water-fast precipitation;
The consumption of described water soluble color-fixing agent is 1 weight %-50 weight %, is benchmark with the composition total weight.
2. colorless ink composition as claimed in claim 1, wherein said laking agent is a macromolecule resin.
3. colorless ink composition as claimed in claim 2, wherein said macromolecule resin are anionic or cation type resin.
4. as each described colorless ink composition among the claim 1-3, wherein said dyestuff is the anionic dyestuff, and described laking agent is the cationic high-molecular resin.
5. as each described colorless ink composition among the claim 1-3, wherein said dyestuff is a cationic dyes, and described laking agent is the anionic macromolecule resin.
6. colorless ink composition as claimed in claim 4, wherein said cationic high-molecular resin are selected from following one or more: polypropylene amine resin, versamid 900, polyvinyl imide resin, polyquaternium, Dyhard RU 100 formaldehyde condensation resin and Dyhard RU 100 polyethylene polyamines condenses resin.
7. colorless ink composition as claimed in claim 4, wherein said anionic dyestuff is selected from: matching stain, reactive dyestuffs or substantive dyestuff.
8. colorless ink composition as claimed in claim 7, the water soluble group of wherein said anionic dyestuff be the acidic-group that is selected from following one or more :-OH ,-SO
3H and-COOH.
9. the purposes of the described colorless ink composition of claim 1, it is used for being coated onto in advance print media, contacts and reacts with being ejected into ink for ink-jet print on the print media subsequently, forms water-fast precipitation.
10. one kind is used the described colorless ink method for compositions of claim 1, comprise: be coated onto the described colorless ink composition of claim 1 on the print media in advance earlier, then, on this print media, spray ink for ink-jet print, the colorless ink composition contacts with ink for ink-jet print, and react, form water-fast precipitation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810205028A CN101768385A (en) | 2008-12-30 | 2008-12-30 | Colorless ink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810205028A CN101768385A (en) | 2008-12-30 | 2008-12-30 | Colorless ink |
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| Publication Number | Publication Date |
|---|---|
| CN101768385A true CN101768385A (en) | 2010-07-07 |
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Family Applications (1)
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|---|---|---|---|
| CN200810205028A Pending CN101768385A (en) | 2008-12-30 | 2008-12-30 | Colorless ink |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103319940A (en) * | 2012-03-19 | 2013-09-25 | 株式会社理光 | Inkjet recording ink, ink cartridge, and inkjet recording method |
| CN104074067A (en) * | 2014-07-27 | 2014-10-01 | 绍兴英科数码科技有限公司 | Active ink-jet ink used instantly after being prepared and preparing method of active ink-jet ink |
| CN105442348A (en) * | 2014-09-15 | 2016-03-30 | 珠海保税区天然宝杰数码科技材料有限公司 | Digital printing active ink |
| CN106978746A (en) * | 2017-04-28 | 2017-07-25 | 泉州市众科专利技术标准化研究院有限责任公司 | A kind of ink-jet cloth printing technique |
| JP2021017033A (en) * | 2019-07-23 | 2021-02-15 | 株式会社リコー | Producing method of printed matter and producing apparatus of printed matter, and printed matter |
| JP2021017032A (en) * | 2019-07-23 | 2021-02-15 | 株式会社リコー | Producing method of printed matter and producing apparatus of printed matter, and printed matter |
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| US5624484A (en) * | 1994-07-11 | 1997-04-29 | Canon Kabushiki Kaisha | Liquid composition and ink set, and image-forming process and apparatus using the same |
| US20070100022A1 (en) * | 2005-10-28 | 2007-05-03 | Ervin Mubarekyan | Low corrosivity inks and ink systems and methods of making low corrosivity inks |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5624484A (en) * | 1994-07-11 | 1997-04-29 | Canon Kabushiki Kaisha | Liquid composition and ink set, and image-forming process and apparatus using the same |
| US20070100022A1 (en) * | 2005-10-28 | 2007-05-03 | Ervin Mubarekyan | Low corrosivity inks and ink systems and methods of making low corrosivity inks |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103319940A (en) * | 2012-03-19 | 2013-09-25 | 株式会社理光 | Inkjet recording ink, ink cartridge, and inkjet recording method |
| CN103319940B (en) * | 2012-03-19 | 2015-03-25 | 株式会社理光 | Inkjet recording ink, ink cartridge, and inkjet recording method |
| CN104074067A (en) * | 2014-07-27 | 2014-10-01 | 绍兴英科数码科技有限公司 | Active ink-jet ink used instantly after being prepared and preparing method of active ink-jet ink |
| CN105442348A (en) * | 2014-09-15 | 2016-03-30 | 珠海保税区天然宝杰数码科技材料有限公司 | Digital printing active ink |
| CN106978746A (en) * | 2017-04-28 | 2017-07-25 | 泉州市众科专利技术标准化研究院有限责任公司 | A kind of ink-jet cloth printing technique |
| JP2021017033A (en) * | 2019-07-23 | 2021-02-15 | 株式会社リコー | Producing method of printed matter and producing apparatus of printed matter, and printed matter |
| JP2021017032A (en) * | 2019-07-23 | 2021-02-15 | 株式会社リコー | Producing method of printed matter and producing apparatus of printed matter, and printed matter |
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Application publication date: 20100707 |