CN108822614A - A kind of low energy consumption HUV/LEC printing ink and preparation method thereof - Google Patents
A kind of low energy consumption HUV/LEC printing ink and preparation method thereof Download PDFInfo
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- CN108822614A CN108822614A CN201810741577.6A CN201810741577A CN108822614A CN 108822614 A CN108822614 A CN 108822614A CN 201810741577 A CN201810741577 A CN 201810741577A CN 108822614 A CN108822614 A CN 108822614A
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- huv
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
Abstract
A kind of low energy consumption HUV/LEC printing ink.It is prepared from the following raw materials (weight percent)：25-30% polyester acrylate, 10-15% epoxy acrylate, 20-25% reactive diluent, 10-16% photoinitiator, 3-6% filler, 14-22% pigment, 1-2% dispersing agent, 0.5-1% auxiliary agent.The high functionality acrylate of selection is as matrix resin, it is ensured that ink has good toughness, and suitable rate of drying, and to pigment, filler has good wetting action.The modified epoxy acrylic ester of selection substantially increases the reactivity of ink, greatly improves curing rate of the ink in HUV/LEC system.
Description
Technical field
The invention belongs to ink chemical field, a kind of low energy consumption HUV/LEC printing ink and preparation method thereof is related generally to.
Background technique
It is a kind of novel printing ink researched and developed in recent years that low energy consumption HUV/LEC, which prints environmentally protective ink, it does
Dry process is by HUV/LEC light source, and under the ultraviolet light irradiation of particular range of wavelengths, moment is transformed into ink from liquid
Solid-state.It is mainly made of oligomer, reactive diluent, photoinitiator, filler, pigment, auxiliary agent.
H-UV system is that the low energy consumption UV with Offset On Demand for basic technology that Japanese Omori Corp. releases consolidates
Change system.LEC system is that Heidelberg company releases the low energy consumption UV curing system similar with H-UV.H-UV/LEC drying system
The dedicated ozone free UV lamp for only using a high sensitivity, solidifies ink.
HUV/LEC system is less with respect to LED-UV system initial cost, and the half than LED-UV system is also low；HUV/LEC
System is less with respect to the cost of the service life of LED-UV system its UV lamp, the high sensitivity used the dedicated ozone free UV lamp service life
It is shorter than LED-UV, but replacement cost wants much lower.
The power consumption and LED-UV system of HUV/LEC system are close plus the power consumption of Miniature Power Unit system, similarly small gloomy
On the printing machine of LS-429 model, the daily power consumption of HUV/LEC system is 43KW, and the power consumption of LED-UV is 29KW, tradition
The power consumption of UV lamp is 194KW.The heat that HUV/LEC system generates is seldom, and usually the ambient temperature of printing machine drier increases
Add 4-5 DEG C.HUV/LEC system will not generate ozone because its dedicated high sensitivity ozone free UV lamp eliminate produce it is ozoniferous
Wavelength (< 254nm).
The distance between the UV lamp of HUV/LEC system and stock are identical as traditional UV system.Since it is relative to biography
System UV system drastically reduces the energy consumption of UV lamp pipe, so having the characteristic of high sensitive for the UV ink requirements used.
And smell can be laid particular stress on after the UV ink solidification of high sensitive.
Summary of the invention
It is a first objective of the present invention to provide a kind of low energy consumption HUV/LEC to print ink, a kind of dedicated in HUV/LEC
The irradiation of high sensitivity ozone free UV lamp under reach the low energy consumption HUV/LEC of instantaneous solidification effect and print environmentally protective ink, the oil
Ink performance can be stablized in printing process, and when solidification does not generate ozone, and solidification energy consumption is greatly reduced, energy conservation and environmental protection.
It is another object of the present invention to provide a kind of preparation method of low energy consumption HUV/LEC printing ink, the preparations
Method can make printed product odour low, more environmentally protective.
Above-mentioned purpose of the invention is realized by following technical proposals：
A kind of environmentally protective ink of low energy consumption HUV/LEC printing, is prepared from the following raw materials (weight percent)：25-30%
Polyester acrylate, 10-15% epoxy acrylate, 20-25% reactive diluent, 10-16% photoinitiator, 3-6% filler,
14-22% pigment, 1-2% dispersing agent, 0.5-1% auxiliary agent.
Further, the degree of functionality of the polyester acrylate is 3-7.
Further, the polyester acrylate includes：Polyester acrylate CN2203, polyester acrylate EB436, gather
Two or more any mixture in ester acrylate 6353-1.
Further, the epoxy acrylate is modified epoxy acrylic ester, specially polyalcohol modified propylene oxide
Acid esters and/or polyurethane modified epoxy acrylate.
Further, the reactive diluent is the reactive diluent of high functionality, specially trimethylolpropane tris third
Olefin(e) acid ester.
Further, the photoinitiator is the mixing of two or more cracking type or radical photoinitiator
Object.
Further, the photoinitiator is 2- hydroxy-2-methyl -1- phenyl -1- acetone, 2- benzyl -2- dimethylamino
Base -1- (4- morpholinyl phenyl) butanone, 2,4,6- trimethylbenzoy-dipheny phosphine oxide, 1- hydroxycyclohexyl phenyl ketone,
In 2- methyl-1-(4- methyl mercapto phenyl)-2- morpholinyl-1- acetone, 2- isopropyl thioxanthone it is any two or more
Composition.Further, the photoinitiator is 2- isopropyl thioxanthone, 2- methyl-1-(4- methyl mercapto phenyl)-2-
Quinoline base -1- acetone, 2,4, in combination of any two or more object in 6- trimethylbenzoy-dipheny phosphine oxide.
Further, the filler is in calcium carbonate, talcum powder and kaolin and the organic emery dust of high molecular polymer
One or two combination.Further, the preferred PMMA ball-type micro mist of the filler and PU ball-type micro mist any one or two
The mixture of kind.
Further, the dispersing agent is 24000 hyper-dispersants of high molecular weight dispersant, further, the auxiliary agent
For modified active methyl-silicone oil DC-10000 the macromolecule organic silicon auxiliary agent.Preferably, the pigment includes：DIC PY.12 is yellow
Color pigment, PB15: 3 blue pigments, 57: 1 red pigment of Clariant PR, any one in Cabot carbon black pigment.
The invention also includes the preparation methods that a kind of low energy consumption HUV/LEC prints environmentally protective ink, include the following steps：
Step (1) takes polyester acrylate, epoxy acrylate under the conditions of being protected from light, and reactive diluent is mixed into one
It rises, is stirred evenly under high-speed mixer with the speed of 300-400r/min, control 40 DEG C of temperature <, stir 5 minutes；
Photoinitiator, filler, pigment, dispersing agent, with the speed of 500-600r/min in high-speed mixer is added in step (2)
Under stir evenly, mixing time 10 minutes；
Step (3) can be prepared by low energy consumption HUV/LEC and printed green ring with 5-6 is ground on three-roller all over to fineness≤5 μm
Protect ink.
The advantage of the invention is that：
1, the high functionality acrylate that the present invention selects is as matrix resin, it is ensured that and ink has good toughness,
Suitable rate of drying, and to pigment, filler has good wetting action.
2, the modified epoxy acrylic ester that the present invention selects, substantially increases the reactivity of ink, substantially increases oil
Curing rate of the ink in HUV/LEC system.
3,2- isopropyl thioxanthone, 2- methyl-1-(4- methyl mercapto phenyl)-2- morpholinyl-1- third that the present invention selects
Ketone, 2,4,6- trimethylbenzoy-dipheny phosphine oxide photoinitiator, in the wave band absorption peak highest of HUV/LEC system,
It ensure that the high sensitive of ink.In addition, efficient reactivity keeps the finished product smell after ink solidification extremely low, life is substantially increased
The environmental protection of production.
4, ink of the invention has excellent printing adaptability, and the reaction speed being exceedingly fast, high surface hardness can
Energy consumption can be greatly reduced in the use for adapting to HUV/LEC system, reduce ozone discharge, be more energy-saving and environmentally friendly.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with embodiment to this hair
Bright technical solution is clearly and completely described.Obviously, described embodiment is a part of the invention, rather than complete
The embodiment in portion.Based on described the embodiment of the present invention, those of ordinary skill in the art are before without creative work
Every other embodiment obtained is put, shall fall within the protection scope of the present invention.
The present invention provides a kind of low energy consumption HUV/LEC to print environmentally protective ink.It is prepared from the following raw materials (weight hundred
Divide ratio)：25-30% polyester acrylate, 10-15% epoxy acrylate, 20-25% reactive diluent, 10-16% are light-initiated
Agent, 3-6% filler, 14-22% pigment, 1-2% dispersing agent, 0.5-1% auxiliary agent.
The polyester acrylate is the polyester acrylate of high functionality.The degree of functionality of polyester acrylate is higher, instead
Answer activity stronger, so as to improve curing rate, but degree of functionality is too high and will lead to viscosity and increases, flexility decline.Cause
This, chooses the polyester acrylic of two or more different degrees of functionality of polyester acrylate of the degree of functionality between 3-7
Ester.It is and fine to filler wetting effect with good toughness, suitable rate of drying, have well oleophylic-it is hydrophilic flat
Weighing apparatus.
Preferably, the high-functionality polyester acrylate includes：Polyester acrylate CN2203, polyester acrylate
Two or more mixture of EB436, polyester acrylate 6353-1.
Preferably, the epoxy acrylate is modified epoxy acrylic ester, including：Polyalcohol modified epoxy acrylic
Ester, polyurethane modified epoxy acrylate.
Preferably, the reactive diluent is：The reactive diluent trimethylolpropane trimethacrylate of high functionality.
Preferably, the photoinitiator is preferred：2- isopropyl thioxanthone, 2- methyl-1-(4- methyl mercapto phenyl)-2-
Morpholinyl -1- acetone, 2,4,6- trimethylbenzoy-dipheny phosphine oxide.
Further, the mixing of any one or two kinds of the preferred PMMA ball-type micro mist of the filler and PU ball-type micro mist
Object.
Preferably, the dispersing agent is 24000 hyper-dispersants of high molecular weight dispersant.Its dispersion effect is excellent, to oil
The emulsifiability of black system, storage stability have no adverse effects.
Preferably, the auxiliary agent is modified active methyl-silicone oil DC-10000 the macromolecule organic silicon auxiliary agent.
Preferably, the pigment includes：DIC PY.12 yellow uitramarine, PB15: 3 blue pigments；Clariant PR 57: 1
Red pigment；Cabot carbon black pigment.
Acrylate monomer is preferably：Double trimethylolpropane tetrapropylene acid polyester, ethoxylated trimethylolpropane three
Acrylate or trimethylolpropane trimethacrylate.Common feature is reactivity height, and dilution effect is good, and flexibility is good.It is logical
The reactive diluent and polyester acrylate for crossing selection appropriate functionality keep the rate of drying of ink suitable, and viscosity can be controlled in 8-
14.The printing adaptability and transfer performance of ink are good.
The photoinitiator is：2- hydroxy-2-methyl -1- phenyl -1- acetone, 2- benzyl -2- dimethylamino -1- (4-
Morpholinyl phenyl) butanone, 2,4,6- trimethylbenzoy-dipheny phosphine oxide, 1- hydroxycyclohexyl phenyl ketone, 2- methyl-
In combination of any two or more object in 1- (4- methyl mercapto phenyl) -2- morpholinyl -1- acetone.It is preferred that 2- hydroxyl -2-
Methyl-1-phenyl-1- acetone, 2- methyl-1-(4- methyl mercapto phenyl)-2- morpholinyl-1- acetone, 2,4,6- trimethylbenzoyl
Base-diphenyl phosphine oxide it is any two kinds composition mixtures, the ultraviolet light wavelength that UV-LED light source is launched it is single (365nm,
375nm, 385nm, 395nm), select initiator of the absorbing wavelength within the scope of 365nm_395nm more appropriate.
The filler is one or both of calcium carbonate, talcum powder and kaolin and the organic emery dust of high molecular polymer
Combination.The mixture of any one or two kinds of the preferred PMMA ball-type micro mist of the organic emery dust of high molecular polymerization and PU ball-type micro mist.
The dispersing agent is high molecular weight dispersant.It is preferred that 24000 hyper-dispersants.Its dispersion effect is excellent, to ink body
The emulsifiability of system, storage stability have no adverse effects.
Preferably, the filler is one in calcium carbonate, talcum powder and kaolin and the organic emery dust of high molecular polymer
Kind or two kinds of combinations.
Further, the mixing of any one or two kinds of the preferred PMMA ball-type micro mist of the filler and PU ball-type micro mist
Object.
Preferably, the auxiliary agent is modified active methyl-silicone oil DC-10000 the macromolecule organic silicon auxiliary agent, and it is resistance to improve product
Scraping effect, function admirable.
Preferably, the pigment includes：DIC PY.12 yellow uitramarine, PB15: 3 blue pigments；Clariant PR 57: 1
Red pigment；Cabot carbon black pigment.
Low energy consumption HUV/LEC described briefly below prints the manufacture craft of environmentally protective ink：
Embodiment one
Step 1) takes 50 grams of polyester acrylates, 5 grams of epoxy acrylates, 15 grams of trihydroxy methyls third under the conditions of being protected from light
Alkane triacrylate, it is admixed together, it is stirred evenly under high-speed mixer with the speed of 300-400r/r/min, controls temperature
It 40 DEG C of <, stirs 5 minutes；
6 grams of photoinitiator 2- isopropyl thioxanthones, 8 grams of photoinitiator 2- methyl-1-(4- methylthio phenyls are added in step 2)
Base) -2- morpholinyl -1- acetone, 0.5 gram of photoinitiator 2,4,6- trimethylbenzoy-dipheny phosphine oxide, 3 grams of filler carbon
Sour calcium, 12 grams of DIC yellow uitramarines, 0.5 gram of high molecular weight dispersant are stirred under high-speed mixer with the speed of 500-600r/min
It mixes uniformly, mixing time 10 minutes；
Step 3) can be prepared by low energy consumption HUV/LEC and printed green ring with 5-6 is ground on three-roller all over to fineness≤5 μm
Protect ink.
Embodiment two
Step 1) takes 45 grams of polyester acrylates, 10 grams of epoxy acrylates, 15 grams of trihydroxy methyls third under the conditions of being protected from light
Alkane triacrylate, it is admixed together, it is stirred evenly under high-speed mixer with the speed of 300-400r/min, controls temperature <
It 40 DEG C, stirs 5 minutes；
4 grams of photoinitiator 2- isopropyl thioxanthones, 8 grams of photoinitiator 2- methyl-1-(4- methylthio phenyls are added in step 2)
Base) -2- morpholinyl -1- acetone, 0.5 gram of photoinitiator 2,4,6- trimethylbenzoy-dipheny phosphine oxide, 5 grams of filler carbon
Sour calcium, 12 grams of DIC yellow uitramarines, 0.5 gram of high molecular weight dispersant are stirred under high-speed mixer with the speed of 500-600r/min
It mixes uniformly, mixing time 10 minutes；
Step 3) can be prepared by low energy consumption HUV/LEC and printed green ring with 5-6 is ground on three-roller all over to fineness≤5 μm
Protect ink.
Embodiment three
Step 1) takes 40 grams of polyester acrylates, 15 grams of epoxy acrylates, 15 grams of trihydroxy methyls third under the conditions of being protected from light
Alkane triacrylate is admixed together, is stirred evenly under high-speed mixer with the speed of 300-400r/min, controls temperature <
It 40 DEG C, stirs 5 minutes；
Then, 4 grams of photoinitiator 2- isopropyl thioxanthones, 6 grams of photoinitiator 2- methyl-1-(4- first are added in step 2)
Sulfenyl phenyl) -2- morpholinyl -1- acetone, 0.5 gram of photoinitiator 2,4,6- trimethylbenzoy-dipheny phosphine oxide, 7 grams
Filler-calcium carbonate, 12 grams of DIC yellow uitramarines, 0.5 gram of high molecular weight dispersant, with the speed of 500-600r/min in high-speed stirred
It is stirred evenly under machine, mixing time 10 minutes；
Step 3) can be prepared by low energy consumption HUV/LEC and printed green ring with 5-6 is ground on three-roller all over to fineness≤5 μm
Protect ink.
In embodiment, all raw material is all technical grade, and wherein photoinitiator, aided initiating and auxiliary agent require solid content
Reach 99% or more.
2- isopropyl thioxanthone that the present invention selects, 2- methyl-1-(4- methyl mercapto phenyl)-2- morpholinyl-1- acetone,
2,4,6- trimethylbenzoy-dipheny phosphine oxide photoinitiator are protected in the wave band absorption peak highest of HUV/LEC system
The high sensitive of ink is demonstrate,proved.In addition efficient reactivity keeps the finished product smell after ink solidification extremely low.Greatly reduce production
Pollution in the process, it is more environmentally protective.
Performance test embodiment
Ink is uniformly applied to polytetrafluoroethylene (PTFE) plate surface by surface drying time, under the light source of setting and time for exposure
Solidification.According to GB1728-79, the cured film dry counterweight of 200g is pressed into upper a piece of filter paper, counterweight is removed after a certain period of time, overturns
Cured film, filter paper can freely be fallen down, that is, think surface drying, measure ink solidification surface drying time；
Hardness analysis, according to the hardness of GB/T 6739-1996 measurement film；Membrane body tensile strength and elongation at break analysis,
The mechanical property of UTM4204 type universal electrical testing machine measurement photocured film is used according to GB13022-91；Water resistance is by inhaling
Water rate characterization is tested according to the method for GB/T1733-93；The measurement of adhesive force is tested according to the method for GB/T9286-1998.
Thermal stability analysis carries out test characterization using Shimadzu, Japan DTG-60 type thermogravimetric analyzer, heating
Rate：20℃/min；Atmosphere：Nitrogen；Crucible material：Aluminium crucible.Thermal degradation temperature when recording each embodiment mass loss up to 5%
Degree.
Each embodiment product all-round property testing result of table 1
| Embodiment | Surface drying time/s | Hardness | Tensile strength/Mpa | Elongation at break/% | Water absorption rate/% | Adhesive force/grade | Pyrolysis temperature/DEG C |
| Embodiment 1 | 19 | HB | 41.5 | 1.39 | 1.33 | 0 | 293 |
| Embodiment 2 | 21 | HB | 40.9 | 1.4 | 1.35 | 0 | 297 |
| Embodiment 3 | 20 | HB | 41.2 | 1.41 | 1.35 | 0 | 298 |
As it can be seen that ink of the invention has excellent printing adaptability, the reaction speed being exceedingly fast, high surface hardness.
It can adapt to the use of HUV/LEC system.Energy consumption can be greatly reduced, reduce ozone discharge, be more energy-saving and environmentally friendly.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that：It still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, the range for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. a kind of low energy consumption HUV/LEC prints ink, which is characterized in that be prepared from the following raw materials (weight percent)：25-30%
Polyester acrylate, 10-15% epoxy acrylate, 20-25% reactive diluent, 10-16% photoinitiator, 3-6% filler,
14-22% pigment, 1-2% dispersing agent, 0.5-1% auxiliary agent.
2. low energy consumption HUV/LEC prints ink according to claim 1, it is characterised in that：The official of the polyester acrylate
Energy degree is 3-7.
3. low energy consumption HUV/LEC prints ink according to claim 2, it is characterised in that：The polyester acrylate includes：
In polyester acrylate CN2203, polyester acrylate EB436, polyester acrylate 6353-1 it is any two or more
Mixture.
4. low energy consumption HUV/LEC prints ink according to claim 1, it is characterised in that：The epoxy acrylate is to change
Property epoxy acrylate, specially polyalcohol modified epoxy acrylate and/or polyurethane modified epoxy acrylate.
5. low energy consumption HUV/LEC prints ink according to claim 1, it is characterised in that：The reactive diluent is high-ranking official
The reactive diluent of energy degree, specially trimethylolpropane trimethacrylate.
6. low energy consumption HUV/LEC prints ink according to claim 1, it is characterised in that：The photoinitiator be two kinds or
The mixture of two or more cracking type or radical photoinitiator.
7. low energy consumption HUV/LEC prints ink according to claim 6, it is characterised in that：The photoinitiator is 2- hydroxyl-
2- methyl-1-phenyl-1- acetone, 2- benzyl-2- dimethylamino-1- (4- morpholinyl phenyl) butanone, 2,4,6- trimethylbenzene first
Acyl group-diphenyl phosphine oxide, 1- hydroxycyclohexyl phenyl ketone, 2- methyl-1-(4- methyl mercapto phenyl)-2- morpholinyl-1- third
In combination of any two or more object in ketone, 2- isopropyl thioxanthone, further, the photoinitiator are 2- isopropyl
Base thioxanthone, 2- methyl-1-(4- methyl mercapto phenyl)-2- morpholinyl-1- acetone, 2,4,6- trimethylbenzoyl-hexichol
In combination of any two or more object in base phosphine oxide.
8. low energy consumption HUV/LEC prints ink according to claim 1, it is characterised in that：The filler is calcium carbonate, talcum
The combination of one or both of powder and the organic emery dust of kaolin and high molecular polymer, further, the filler is preferred
The mixture of any one or two kinds of PMMA ball-type micro mist and PU ball-type micro mist.
9. low energy consumption HUV/LEC prints ink according to claim 1, it is characterised in that：The dispersing agent is high molecular weight
24000 hyper-dispersants of dispersing agent, further, the auxiliary agent are modified active methyl-silicone oil DC-10000 the macromolecule organic silicon
Auxiliary agent.
10. a kind of preparation method of low energy consumption HUV/LEC printing ink, it is characterised in that：Include the following steps：
Step (1) takes polyester acrylate under the conditions of being protected from light, and epoxy acrylate, reactive diluent is admixed together, with
The speed of 300-400r/min stirs evenly under high-speed mixer, controls 40 DEG C of temperature <, stirs 5 minutes；
Step (2) addition photoinitiator, filler, pigment, dispersing agent are stirred under high-speed mixer with the speed of 500-600r/min
It mixes uniformly, mixing time 10 minutes；
Step (3) can be prepared by low energy consumption HUV/LEC printing ink with 5-6 is ground on three-roller all over to fineness≤5 μm.
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| CN113214704A (en) * | 2021-06-15 | 2021-08-06 | 东莞智源彩印有限公司 | Weather-resistant ink, manufacturing method and testing method thereof |
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| CN110845906A (en) * | 2019-12-20 | 2020-02-28 | 江苏正红彩印有限公司 | Environment-friendly water-based UV (ultraviolet) printing ink for flexography |
| CN113214704A (en) * | 2021-06-15 | 2021-08-06 | 东莞智源彩印有限公司 | Weather-resistant ink, manufacturing method and testing method thereof |
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