CN103897492A - Jet ink for leather and method for printing leather to form pattern - Google Patents
Jet ink for leather and method for printing leather to form pattern Download PDFInfo
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- CN103897492A CN103897492A CN201410160060.XA CN201410160060A CN103897492A CN 103897492 A CN103897492 A CN 103897492A CN 201410160060 A CN201410160060 A CN 201410160060A CN 103897492 A CN103897492 A CN 103897492A
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Abstract
The invention discloses jet ink for leather and a method for printing leather to form a pattern. The jet ink contains pigments, organic solvents and at least an acrylic resin with weight-average molecular weight in the range of 5000-15000. The method comprises the step of directly printing a pre-printed pattern on a leather layer with a printer. The jet ink and the method have the beneficial effects that the pigments in the ink are effectively prevented from permeating a treatment layer on the leather surface, and the jet ink shows good covering property and pattern effects; the printed pattern has high saturated color and excellent glossiness, meanwhile the condition that the obtained pattern has good scratch resistance on the leather surface is satisfied, and more importantly, the stability property when the ink is continuously jetted from nozzles is ensured.
Description
Technical field
The present invention relates to spray ink Printing field, particularly a kind of leather forms the method for pattern on leather with ink for ink-jet print and spray ink Printing.
Background technology
Leather is as a kind of practicality and have the starting material of aesthetic value, has appreciable marketable value in industries such as clothes, case and bag, footwear, ornaments.And the exquisite pattern of sending to press on leather, the application that can further improve leather, the added value of increase leather.The mode of the silk screen printing that traditional leather pattern-printing adopts, comprises directly printing and silk screen transfer printing of silk screen.Be which kind of mode all exists film, half tone expense high, operation is loaded down with trivial details, the cycle is long, have color error ratio, colour rendering capacity is poor, compared with look complexity, and after fixed version, a color is difficult for revising, and can only produce in enormous quantities, needs that can not satisfying personalized customization.
The technique that adopts this year digital ink-jet to print leather begins one's study and actual application, this process be exactly by sprayed printed system by various special ink for ink-jet prints according to the direct spray printing of digital pattern to leather, can obtain required various high-precision Printing.The ink-jet printed requirement that ink is had to many harshnesses, as require ink on leather, to form clear pattern, do not sprout wings, and decorative pattern has good fastness to rubbing, light fastness and suitable optical density(OD).In when application, conventionally require ink to there is quick-drying and the performance of gelatinization does not occur on leather, require ink not lump on shower nozzle simultaneously, otherwise can make nozzle blockage.Ink should be stablized and not occur to decompose or precipitation in storage process.
On market, existing dye-type solvent-based inks also can reach above requirement, but its sun-proof performance is too poor, can not meet the requirement of outdoor use, and existing solvent pigment ink, be bonding material mainly with vinyl chloride-vinyl acetate resin, in the time printing leather, often show as ink and infiltrate leather top layer, cause color partially shallow, gloss declines, and can not meet client's requirement.The solvent-based inks with impermeable dose also has patent documentation to record, for example CN200610170250.5, but the solvent-based inks of recording is mainly for offset printing plate, resinous type and the present invention are also different, even if use it for reluctantly field of the present invention, also can there is the problems such as ejection stability is bad, and figure erasibility is bad.
Summary of the invention
For addressing the above problem, the object of this invention is to provide a kind of leather ink for ink-jet print, solve the infiltration problem of ink at leather surface, make the pattern of printing there is high saturation color coloured silk, good glossiness, rub resistance and reliable print performance.
Another object of the present invention is to provide a kind of spray ink Printing and forms on leather the method for pattern.
The object of the present invention is achieved like this: a kind of leather ink for ink-jet print, contain pigment, and organic solvent, and at least one acrylic resin, is characterized in that: the weight-average molecular weight of described acrylic resin is within the scope of 5000-15000.
Count by weight percentage, described acrylic resin accounts for the 3-10% of ink gross weight.
Count by weight percentage, in ink, include: the tensio-active agent of 1-20% pigment, 60-80% organic solvent, 3-10% acrylic resin, 1-10% dispersion agent, 0-3%.
The viscosity of described ink for ink-jet print in the time of 25 ℃ is at 2-6CPS.
A kind of spray ink Printing forms pattern method on leather, comprises the following steps: 1) prepare above-mentioned ink for ink-jet print; 2) leather to be printed is placed in to the print area of printer; 3) by printer, the pattern of printing in advance is directly printed on to leather layer.
Described leather is PU leather, corium, or they are through surface treatment and the form that exists.
The present invention by adding the acrylic resin of weight-average molecular weight at 5000-15000 in ink, effectively prevent that the pigment in ink is to imbibition in the processing layer of leather surface, the covering performance and the graphical effect that show, the pattern of printing has high saturation color coloured silk, good glossiness, the figure that has simultaneously met gained has good scuff resistance at leather surface, the more important thing is the stability while having guaranteed that ink sprays from nozzle continuously.
Embodiment
A kind of leather ink for ink-jet print of the present invention, comprises pigment, organic solvent, and at least one acrylic resin, and the weight-average molecular weight of this acrylic resin is within the scope of 5000-15000.
In preferred scheme, count by weight percentage, in ink, include: the tensio-active agent of 1-20% pigment, 60-80% organic solvent, 3-10% acrylic resin, 1-10% dispersion agent, 0-3%.
The viscosity of described ink for ink-jet print in the time of 25 ℃ is at 2-6CPS, preferably at 3-5CPS.
Described pigment is selected from pigment dyestuff or mineral dye.
Described organic solvent is selected from one or more mixing in alcohols, ethers, glycols, glycol ether acetate class, alcohol ethers, ester class or the organic light naphtha of pyrrolidinone compounds.
Described dispersion agent is selected from BYK-111,163,168,2150; EFKA4009,4010,4015,4030,4047,4055,4300,4330; TEGO Dispers710,652,685,655; Solsperse5000,12000,22000,24000,28000,32000,32500,36000,39000.
A kind of spray ink Printing forms pattern method on leather, comprises the following steps: 1) prepare above-mentioned ink for ink-jet print; 2) leather to be printed is placed in to the print area of printer; 3) by printer, the pattern of printing in advance is directly printed on to leather layer.It should be noted that, the leather print media of indication is common PU leather and corium, and the various forms of processing layer were done on their surfaces.
Be selected from organic or inorganic pigment as the contained pigment of ink for ink-jet print of the present invention, preferred pigment comprises Pigment black PB7 etc.; Pigment blue PB15:3, PB15:4 etc.; Pigment red PR122, PR170, PR176, PR185, PR202, PR254, PV19 etc.; Pigment Yellow 73 PY93, PY95, PY109, PY110, PY120, PY128, PY138, PY139, PY151, PY154, PY155, PY173, PY180, PY185, PY193 etc.; Pigment orange PO34, PO36, PO43, PO61, PO63, PO71 etc., the per-cent that the weight of pigment accounts for ink gross weight is preferably 1-5%.And as the rutile titanium dioxide of white pigment, the per-cent that white pigment accounts for ink gross weight is preferably 1-20%.
As the contained organic light naphtha of ink for ink-jet print of the present invention, be not particularly limited, can be selected from the alcohols such as ethanol, Virahol, n-hexyl alcohol, iso-heptanol, 2-Ethylhexyl Alcohol, n-Octanol, 3-methyl-3-methoxybutanol, 3-methoxybutanol, the ethers such as cellosolve, ethylene glycol butyl ether, the glycolss such as ethylene glycol, Diethylene Glycol, thio-diethylene glycol, triethylene glycol, propylene glycol, dipropylene glycol, tripropylene glycol, the glycol ether acetate classes such as ethylene glycol monoethyl ether acetate, ethylene glycol monomethyl ether acetate, diethylene glycol monoethyl ether acetic ester, butyl carbitol acetate, ethylene glycol ether, ethylene glycol-2-ethyl hexyl ether, ethylene glycol phenyl ether, dihydroxypropane single-ether, propylene glycol propyl ether, propylene glycol monobutyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monobutyl ether, Diethylene Glycol hexyl ether, Diethylene Glycol-2-ethyl hexyl ether, dipropylene glycol monomethyl ether, DPE, Dipropylene glycol mono-n-butyl Ether, dipropylene glycol propyl ether, triethylene glycol monomethyl ether, Triethylene glycol ethyl ether, triethylene glycol butyl ether, Tripropylene glycol monomethyl Ether, diethylene glycol diethyl ether, diethylene glycol dimethyl ether, diethylene glycol ethylmethyl ether, the alcohol ethers such as dipropylene glycol dme, 2,2,4-trimethylammonium-1, the ester classes such as 3-pentanediol mono isobutyrate, triethylene glycol two (2 Ethylbutanoic acid ester), propylene carbonate, ethyl lactate, n-Butyl lactate, methyl acetoacetate, methyl aceto acetate, 3-methyl-3-methoxyl group butylacetic acid ester, Glycolic acid n butyl ester, y-butyrolactone, the pyrrolidinone compounds such as METHYLPYRROLIDONE.These solvents, the drying property of beating on leather from jetting stability and the ink of ink is considered, can use separately, also can arbitrary combination use two or more different solvent of boiling point.And the content of solvent accounts for ink gross weight and is preferably 60-80%.
Contain at least one weight-average molecular weight at 5000-15000 acrylic resin as ink for ink-jet print of the present invention, for example the JONCRYL678 of commercially available BASF, JONCRYL611; Soluryl-70, the Soluryl-90 of Han Hua; The IndurezSR-10 of Germany INDULOR etc.When weight-average molecular weight less than 5000, can not obtain satisfied scuff resistance.Weight-average molecular weight exceedes at 15000 o'clock, and in order to control ink viscosity in the reasonable scope, in ink, the solids content of acrylic resin will be on the low side, and ink can occur imbibition phenomenon directly affecting graphical effect on leather surface processing layer.In the time that molecular weight exceedes 60000, ink obviously reduces in the stability of shower nozzle ejection, when serious, can cause plug.Preferably, count by weight percentage, described acrylic resin accounts for the 3-10% of ink gross weight, and preferred consumption accounts for the 3-7% of ink gross weight, and when the consumption of less than 3%, the situation of imbibition appears in ink capacity on leather surface processing layer; Exceed 7% and can cause the viscosity of ink to raise, ejection stability slightly declines, and exceedes 10% ink and obviously reduces in the stability of shower nozzle ejection.In the scope of 3-7%, choose higher content value according to distinct colors as far as possible, be more of value to effect of the present invention.
Can be the known various dispersion agents in prior art as the contained dispersion agent of ink for ink-jet print of the present invention, adducible trade name has BYK-111,163,168,2150; EFKA4009,4010,4015,4030,4047,4055,4300,4330; TEGO Dispers710,652,685,655; Solsperse5000,12000,22000,24000,28000,32000,32500,36000,39000.Dispersion agent plays the effect of shortening milling time and improving stability of ink energy, and in the present invention, dispersion agent accounts for ink gross weight and is preferably 1-10%.
Can be the additives such as ultraviolet absorbers, antioxidant, flow agent as the contained tensio-active agent of ink for ink-jet print of the present invention.The addition of ultraviolet absorbers is 0-3% take solvent inkjet ink gross weight as benchmark, is selected from benzotriazole compound, hindered amine compound and alkyl phenyl compound in triazine class etc.The addition of flow agent is 0-3% take solvent inkjet ink gross weight as benchmark, is selected from organo-siloxane, acrylic acid or the like flow agent.The addition of antioxidant is 0-3 % by weight take solvent inkjet ink gross weight as benchmark, is selected from phenolphthalein compounds, aminated compounds and phosphite ester compound etc.
Ink for ink-jet print of the present invention can make by following steps:
1, add by a certain percentage organic solvent, dispersion agent, be uniformly dispersed with stirrer;
2, add pigment, this mixture is stirred;
3, with shredder, its fineness is ground to below 0.3um;
4, add clout, make ink for ink-jet print of the present invention.
Embodiment and comparative example
Below by concrete example, the present invention is described further, but the present invention is not limited to this specific examples.The present invention's per-cent above and following each component of mentioning is all weight percentage, and except specified otherwise, is all the per-cent that this component accounts for ink for ink-jet print gross weight.
Press the ink for ink-jet print of the composition of weight percent shown in table 1 preparation embodiment 1-9 and comparative example 1-3, concrete compound method is:
1, add by a certain percentage organic solvent, dispersion agent, be uniformly dispersed with stirrer;
2, add while stirring pigment, this mixture is stirred;
3, with shredder, its fineness is ground to below 0.3um;
4, add remaining material, stir
5, use the strainer of aperture 0.22-1.0um to filter, make ink for ink-jet print of the present invention.
Table 1. embodiment 1-9 and comparative example 1-3 ink-jet paint ink composition (wt%)
2, ink is carried out to performance evaluation by following test event:
Test event 1: ink for ink-jet print is in the imbibition situation of leather surface, and test result is in table 2.
Get the each 100ml of above-mentioned ink, on the ink-jet printer Epson stylus pro7880 through repacking, directly print, test with same leather.The China ink amount of use 100% is printed the monochromatic piece of 5cm × 5cm.Specimen page is heated after 30 minutes in 60 ℃ of baking boxs to range estimation:
A: colour density is high, clear-cut margin
B: colour density is high, edge is jagged
C: colour density is low, edge is jagged
Table 2.
Test event 2: the scuff resistance of ink for ink-jet print, test result is in table 3
Get the each 100ml of above-mentioned ink, on the ink-jet printer Epson stylus pro7880 through repacking, print, test with same leather.The China ink amount of use 100% is printed the monochromatic piece of 5cm × 5cm, is made into standard specimen page.After 24 hours, standard specimen page is lain on table top.1KG counterweight bottom is wrapped after layer of non-woven fabric, be placed on specimen page, along continuous straight runs, comes and goes and pulls 3 times, with appearance method check pull trace.
A: on specimen page without vestige, on non-woven fabrics without color
B: have slight trace on specimen page, having on non-woven fabrics mustn't pigment
C: sharp trace on specimen page, has a large amount of pigment on non-woven fabrics
Table 3.
Test event 3: the ejection stability of ink for ink-jet print, test result is in table 4
Get the each 500ml of above-mentioned ink, on the ink-jet printer Epson stylus pro7880 through repacking, print, use common paper as medium, carry out fluency test.Before printing, carry out nozzle detection, retain mesh test sheets, after 500ml ink printed is complete, then carry out mesh test, compare with the mesh before test.
A: unchanged
B: disconnected 1-3 hole, and without inclined to one side hole
C: break more than 3 holes or have inclined to one side hole
Table 4.
Technical conceive of the present invention is not limited in above-described embodiment, can also obtain many different concrete schemes according to design of the present invention, and some small changes all belong to protection scope of the present invention.
Claims (9)
1. a leather ink for ink-jet print, contains pigment, and organic solvent, and at least one acrylic resin, is characterized in that: the weight-average molecular weight of described acrylic resin is within the scope of 5000-15000.
2. leather ink for ink-jet print according to claim 1, is characterized in that: count by weight percentage, described acrylic resin accounts for the 3-10% of ink gross weight.
3. leather ink for ink-jet print according to claim 1, is characterized in that: count by weight percentage, in ink, include: the tensio-active agent of 1-20% pigment, 60-80% organic solvent, 3-10% acrylic resin, 1-10% dispersion agent, 0-3%.
4. according to the leather ink for ink-jet print described in claim 1,2 or 3, it is characterized in that: the viscosity of described ink for ink-jet print in the time of 25 ℃ is at 2-6CPS.
5. according to the leather ink for ink-jet print described in claim 1,2 or 3, it is characterized in that: described pigment is selected from pigment dyestuff or mineral dye.
6. according to the leather ink for ink-jet print described in claim 1,2 or 3, it is characterized in that: described organic solvent is selected from one or more mixing in alcohols, ethers, glycols, glycol ether acetate class, alcohol ethers, ester class or the organic light naphtha of pyrrolidinone compounds.
7. leather ink for ink-jet print according to claim 3, is characterized in that: described dispersion agent is selected from BYK-111,163,168,2150; EFKA4009,4010,4015,4030,4047,4055,4300,4330; TEGO Dispers710,652,685,655; Solsperse5000,12000,22000,24000,28000,32000,32500,36000,39000.
8. spray ink Printing forms a method for pattern on leather, comprises the following steps: 1) prepare in claim 1-7 ink for ink-jet print described in arbitrary claim; 2) leather to be printed is placed in to the print area of printer; 3) by printer, the pattern of printing in advance is directly printed on to leather layer.
9. spray ink Printing according to claim 8 forms the method for pattern on leather, it is characterized in that: described leather is PU leather, corium, or they are through surface treatment and the form that exists.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410160060.XA CN103897492A (en) | 2014-04-21 | 2014-04-21 | Jet ink for leather and method for printing leather to form pattern |
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| CN201410160060.XA CN103897492A (en) | 2014-04-21 | 2014-04-21 | Jet ink for leather and method for printing leather to form pattern |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104894884A (en) * | 2015-05-05 | 2015-09-09 | 陶阳 | Fabric paint spray for fabric painting and fabric painting technology |
| CN105951471A (en) * | 2016-06-24 | 2016-09-21 | 万桦（常州）新材料科技有限公司 | Manufacturing method of environment-friendly conductive touch screen material used for gloves |
| US9505199B1 (en) | 2016-06-03 | 2016-11-29 | Abbas Sadriwalla | Method of applying a graphic image on a substrate |
| CN108841242A (en) * | 2018-07-18 | 2018-11-20 | 太仓市顺昌锻造有限公司 | A kind of antirust fungicidal ink |
| CN109810575A (en) * | 2018-12-25 | 2019-05-28 | 上海图赢科技发展有限公司 | A kind of water-fastness leather digit printing ink-jet writing ink and its preparation method and application |
| CN110656521A (en) * | 2019-09-29 | 2020-01-07 | 劲霸男装（上海）有限公司 | Digital printing process of PU (polyurethane) coating fabric |
| CN112538291A (en) * | 2019-09-20 | 2021-03-23 | 株式会社理光 | Ink, ink set, printing method and printing apparatus |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104894884A (en) * | 2015-05-05 | 2015-09-09 | 陶阳 | Fabric paint spray for fabric painting and fabric painting technology |
| US9505199B1 (en) | 2016-06-03 | 2016-11-29 | Abbas Sadriwalla | Method of applying a graphic image on a substrate |
| CN105951471A (en) * | 2016-06-24 | 2016-09-21 | 万桦（常州）新材料科技有限公司 | Manufacturing method of environment-friendly conductive touch screen material used for gloves |
| CN108841242A (en) * | 2018-07-18 | 2018-11-20 | 太仓市顺昌锻造有限公司 | A kind of antirust fungicidal ink |
| CN109810575A (en) * | 2018-12-25 | 2019-05-28 | 上海图赢科技发展有限公司 | A kind of water-fastness leather digit printing ink-jet writing ink and its preparation method and application |
| CN109810575B (en) * | 2018-12-25 | 2021-08-03 | 上海图赢科技发展有限公司 | Washable digital printing inkjet ink for leather, and preparation method and application thereof |
| CN112538291A (en) * | 2019-09-20 | 2021-03-23 | 株式会社理光 | Ink, ink set, printing method and printing apparatus |
| CN110656521A (en) * | 2019-09-29 | 2020-01-07 | 劲霸男装（上海）有限公司 | Digital printing process of PU (polyurethane) coating fabric |
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Address after: 519030 forty-seventh areas of Zhuhai Free Trade Zone, Guangdong Applicant after: Zhuhai Print-Rite new materials Limited by Share Ltd Address before: 519030 forty-seventh areas of Zhuhai Free Trade Zone, Guangdong Applicant before: Zhuhai Tax-free Area Natural Baojie Digital Technology Material Co., Ltd. |
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Application publication date: 20140702 |