CN111334117A - Ultraviolet curing powder-scattering screen printing gloss oil ink and preparation method thereof - Google Patents
Ultraviolet curing powder-scattering screen printing gloss oil ink and preparation method thereof Download PDFInfo
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- CN111334117A CN111334117A CN202010317370.3A CN202010317370A CN111334117A CN 111334117 A CN111334117 A CN 111334117A CN 202010317370 A CN202010317370 A CN 202010317370A CN 111334117 A CN111334117 A CN 111334117A
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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
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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
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
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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
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
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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
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
- C09D11/104—Polyesters
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Abstract
The invention discloses ultraviolet curing powder spreading silk-screen printing gloss oil ink which comprises the following components in parts by weight:
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of high polymer materials, in particular to ultraviolet curing powder-scattering screen printing varnish ink and a preparation method thereof.
[ background of the invention ]
In recent years, along with the continuous and rapid development of society, the technology is continuously improved, and people in all communities pay more attention to economic benefits, so that the environmental protection is increasingly emphasized, and the environmental protection industry standard of outer packages of greeting card and stamp industries, high-grade wine and the like is greatly improved. The production efficiency is slowed down due to the complicated powder scattering process of the traditional solvent type ink process, and the problem cannot be well solved by the traditional ink on the market. And the traditional curing printing ink of the same type has the problems of poor powder scattering adhesiveness and poor printing efficiency.
As the application range of the ultraviolet curing industry is continuously expanded in the last 10 years, the advantages of ultraviolet curing are obviously embodied. The ultraviolet curing ink is widely developed and applied in the fields of high-grade wine packaging industry and greeting cards and stamps, and is favored by more and more packaging industries in the near future.
[ summary of the invention ]
The invention aims to provide ultraviolet curing powder spreading and silk printing gloss oil ink, which solves the problems of complicated working procedures and low production efficiency of the conventional solvent type ink on the market at present, so that the ultraviolet curing powder spreading and silk printing gloss oil ink has good printing effect on printed matters in the high-grade wine packaging industry and the greeting card and stamp industry.
The invention also provides a preparation method of the ultraviolet curing powder-spreading silkscreen printing varnish ink, which solves the common technical problems of poor powder-spreading adhesion, poor printing efficiency and the like of the same type of curing ink in China at present.
In order to solve the above problems, the present invention provides the following technical solutions: the ultraviolet curing powder-spreading screen printing varnish ink comprises the following components in parts by weight:
the polyester acrylic resin is aliphatic polyurethane acrylate with bifunctional degree and large molecular weight, and the aliphatic structure of the aliphatic polyurethane acrylate endows the resin with excellent yellowing resistance, namely, the saturated molecular chain structure enables the aliphatic polyurethane acrylate not to react with oxygen molecules in the environment. Aliphatic urethane acrylate is a thermosetting resin which is excellent in curability and moldability, and has excellent stain resistance, hot water resistance, drug resistance, adhesion, flexibility, good interlayer adhesion, and excellent elongation at break, unlike epoxy resins, which are troublesome. The hardness and flexibility of the formula can be adjusted in the ultraviolet curing formula, and the boiling resistance, salt mist resistance, high and low temperature resistance and cold and hot cycle resistance of the formula are balanced. Preferably, the polyester acrylate is B-268M of Boxing chemical materials, Guangzhou, compared with common bifunctional polyurethane acrylate, the B-268M has extremely low volume shrinkage and large average molecular weight, and is very suitable for powder spreading silk-screen printing varnish ink.
Preferably, the epoxy acrylic resin is bisphenol A epoxy acrylate, and the epoxy acrylate is diluted by 15 mass percent of trimethylolpropane triacrylate. The epoxy acrylate resin of the invention adopts epoxy acrylate resin of B-27 model of Guangzhou Boxing chemical material Co., Ltd, B-27 is standard bisphenol A type epoxy acrylate, and is diluted by 15% by mass of trimethylolpropane triacrylate (abbreviated as TMPTA), the curing rate is high, the surface hardness is high, the solvent resistance is excellent, the gloss is high, and the relatively low viscosity is more beneficial to the adjustment of ultraviolet curing ink and the improvement of the curing performance of the formula.
The ultraviolet active diluent comprises ethoxy ethyl acrylate (EOEOEOEA) and a trimethylolpropane triacrylate solvent (TMPTA), wherein the trimethylolpropane triacrylate is dissolved by hexanediol diacrylate (HDDA), and the weight ratio of the hexanediol diacrylate to the trimethylolpropane triacrylate is 2.0: 0.5-0.8. Preferably, the reactive diluent is EOEOEOEA and TMPTA from Shanghai Cyanite surface technology, Inc.
The photoinitiator is prepared by mixing 0.2-0.5 part of 2-isopropyl thioxanthone, 0.5-0.8 part of 2-benzyl-2-dimethylamine-1- (4-morpholine benzyl phenyl) butanone and 2-3.5 parts of 1-hydroxycyclohexyl phenyl ketone. The photoinitiators are preferably the photoinitiators ITX (i.e.2-isopropylthioxanthone), 369 (i.e.2-phenylbenzyl-2-dimethylamine-1- (4-morpholinylbenzyl) butanone) and 184 (i.e.1-hydroxycyclohexylphenylketone) from Tianjin Jikki Chemicals Ltd.
The filler comprises polyethylene wax and fumed silica, and the weight ratio of the polyethylene wax to the fumed silica is 2: 3-4.5; the fumed silica is M-5 produced by Degussa, and the polyethylene wax is 9610F produced by Craine. The weight ratio of the defoaming agent to the leveling agent is 1: 0.8-1, the defoaming agent is a defoaming agent 6800 of Taiwan modesty enterprise Limited, and the leveling agent is a leveling agent 2700 of Germany Digao corporation.
A preparation method of ultraviolet curing powder-spreading silkscreen printing varnish ink comprises the following steps:
s1, placing the ultraviolet reactive diluent and the photoinitiator into a container and stirring to obtain a first auxiliary agent mixture;
s2, slowly adding the filler and the leveling agent into the first auxiliary agent mixture, and uniformly stirring to obtain a second auxiliary agent mixture;
and S3, slowly adding the polyacrylic resin and the epoxy acrylic resin into the second auxiliary agent mixture in sequence, and stirring uniformly to obtain the ultraviolet curing powder-scattering silk-screen printing varnish ink.
The stirring time in the step S1 is 14-20 minutes, the stirring speed is 800-1200 rpm, the stirring temperature is 30-40 ℃, and the stirring pressure is standard atmospheric pressure.
The stirring time in the step S2 is 15-25 minutes, the stirring speed is 800-1200 rpm, the stirring temperature is 15-35 ℃, and the stirring pressure is standard atmospheric pressure.
The stirring time in the step S3 is 90-150 minutes, the stirring speed is 80-120 revolutions per minute, the stirring temperature is 15-35 ℃, and the stirring pressure is standard atmospheric pressure.
Compared with the prior art, the invention has the following advantages:
1. according to the ultraviolet curing powder-spreading screen printing gloss oil ink, the flexibility and the high and low temperature resistance of the ink are improved by adding the polyester acrylic resin into the components, so that the ink can be applied under various situations, the application conditions are widened to simplify the corresponding procedures, the operation is reduced, the complexity of the procedures is reduced, and the production efficiency is improved; the viscosity of the ink system is reduced by the ultraviolet reactive diluent, so that the ink is convenient to coat on the surface of a product and can be firmly attached to the surface of the product after photocuring; the ultraviolet reactive diluent is matched with the initiator, so that the curing speed of the ink can be greatly improved, and the polymerization inhibition effect is reduced; the rheological property of the printing ink is adjusted by adding the leveling agent in the auxiliary agent, so that the thickness of the coated printing ink is consistent;
2. the preparation method of the ultraviolet curing dusting silk-screen printing varnish ink has the advantages of simple preparation technology, coincident reaction and environmental protection, and the prepared ultraviolet curing dusting silk-screen printing varnish ink has good adhesive force and appreciation efficiency and is suitable for large-batch continuous production; the aliphatic polyurethane acrylate has excellent caking property, flexibility and good interlayer adhesion rate, and the prepared ink has good caking property and can be stably and firmly adhered to the surface of a product under the combined action of the hexanediol diacrylate in the ultraviolet reactive diluent; the epoxy acrylic resin in the printing ink component has higher surface hardness, good glossiness and excellent solvent resistance after being cured, and the polyester acrylic resin has extremely low volume shrinkage after being cured and the leveling agent in the auxiliary agent can enable the printing ink to be quickly and stably printed on the surface of a product; therefore, the problems of poor powder scattering adhesiveness and poor printing efficiency of the same type of domestic curing ink are solved.
[ detailed description ] embodiments
The technical solutions of the present invention will be described clearly and completely in the following with reference to embodiments 1 to 4 of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of the present invention.
Example 1: the embodiment provides ultraviolet curing powder-spreading silk-screen printing varnish ink which comprises the following components in parts by weight:
and 2 parts of an auxiliary agent, wherein the auxiliary agent comprises a defoaming agent and a leveling agent.
The weight ratio of the ethoxy ethyl acrylate to the trimethylolpropane triacrylate solvent is 1:1, and the weight ratio of the hexanediol diacrylate to the trimethylolpropane triacrylate in the trimethylolpropane triacrylate solvent is 2.0: 0.5.
the photoinitiator is prepared by mixing 0.2 part of 2-isopropyl thioxanthone, 0.5 part of 2-benzyl-2-dimethylamine-1- (4-morpholine benzyl phenyl) butanone and 2 parts of 1-hydroxycyclohexyl phenyl ketone.
The filler comprises polyethylene wax and fumed silica, and the weight ratio of the polyethylene wax to the fumed silica is 2: 3; the weight ratio of the defoaming agent to the flatting agent is 1: 0.8.
The preparation method of the ultraviolet curing powder-spreading silkscreen varnish ink comprises the following steps:
s1, placing the ultraviolet reactive diluent and the photoinitiator into a container to be stirred, wherein the stirring time is 15 minutes, the stirring speed is 800 revolutions per minute, the stirring temperature is 25 ℃, and the stirring pressure is standard atmospheric pressure, so that a first auxiliary agent mixture is obtained;
s2, slowly adding the filler and the leveling agent into the first auxiliary agent mixture, and uniformly stirring, wherein the stirring time is 18 minutes, the stirring speed is 900 revolutions per minute, the stirring temperature is 20 ℃, and the stirring pressure is standard atmospheric pressure, so as to obtain a second auxiliary agent mixture;
and S3, slowly adding the polyacrylic resin and the epoxy acrylic resin into the second auxiliary agent mixture in sequence, and stirring uniformly for 90 minutes at a stirring speed of 80 revolutions per minute at a stirring temperature of 25 ℃ under a stirring pressure of standard atmospheric pressure to obtain the ultraviolet curing powder scattering silk-screen printing varnish ink.
Example 2: the embodiment provides the following components in parts by weight:
and 2 parts of an auxiliary agent, wherein the auxiliary agent comprises a defoaming agent and a leveling agent.
The weight ratio of the ethoxy ethyl acrylate to the trimethylolpropane triacrylate solvent is 1:1, and the weight ratio of the hexanediol diacrylate to the trimethylolpropane triacrylate in the trimethylolpropane triacrylate solvent is 2.0: 0.7.
the photoinitiator is prepared by mixing 0.4 part of 2-isopropyl thioxanthone, 0.7 part of 2-benzyl-2-dimethylamine-1- (4-morpholine benzyl phenyl) butanone and 3 parts of 1-hydroxycyclohexyl phenyl ketone.
The filler comprises polyethylene wax and fumed silica, and the weight ratio of the polyethylene wax to the fumed silica is 2: 4; the weight ratio of the defoaming agent to the flatting agent is 1: 0.9.
The preparation method of the ultraviolet curing powder-spreading silkscreen varnish ink comprises the following steps:
s1, placing the ultraviolet reactive diluent and the photoinitiator into a container to be stirred, wherein the stirring time is 15 minutes, the stirring speed is 800 revolutions per minute, the stirring temperature is 25 ℃, and the stirring pressure is standard atmospheric pressure, so that a first auxiliary agent mixture is obtained;
s2, slowly adding the filler and the leveling agent into the first auxiliary agent mixture, and uniformly stirring, wherein the stirring time is 20 minutes, the stirring speed is 1000 revolutions per minute, the stirring temperature is 25 ℃, and the stirring pressure is standard atmospheric pressure, so as to obtain a second auxiliary agent mixture;
and S3, slowly adding the polyacrylic resin and the epoxy acrylic resin into the second auxiliary agent mixture in sequence, and stirring uniformly for 110 minutes at a stirring speed of 100 revolutions per minute at a stirring temperature of 25 ℃ under a stirring pressure of standard atmospheric pressure to obtain the ultraviolet curing powder scattering silk-screen printing varnish ink.
Example 3: the embodiment provides the following components in parts by weight:
and 2 parts of an auxiliary agent, wherein the auxiliary agent comprises a defoaming agent and a leveling agent.
The weight ratio of the ethoxy ethyl acrylate to the trimethylolpropane triacrylate solvent is 1:1, and the weight ratio of the hexanediol diacrylate to the trimethylolpropane triacrylate in the trimethylolpropane triacrylate solvent is 2.0: 0.6.
the photoinitiator is prepared by mixing 0.3 part of 2-isopropyl thioxanthone, 0.6 part of 2-benzyl-2-dimethylamine-1- (4-morpholine benzyl phenyl) butanone and 2.5 parts of 1-hydroxycyclohexyl phenyl ketone.
The filler comprises polyethylene wax and fumed silica, and the weight ratio of the polyethylene wax to the fumed silica is 2: 3.5; the weight ratio of the defoaming agent to the flatting agent is 1: 0.8.
The preparation method of the ultraviolet curing powder-spreading silkscreen varnish ink comprises the following steps:
s1, placing the ultraviolet reactive diluent and the photoinitiator into a container to be stirred, wherein the stirring time is 17 minutes, the stirring speed is 900 revolutions per minute, the stirring temperature is 25 ℃, and the stirring pressure is standard atmospheric pressure, so that a first auxiliary agent mixture is obtained;
s2, slowly adding the filler and the leveling agent into the first auxiliary agent mixture, and uniformly stirring, wherein the stirring time is 18 minutes, the stirring speed is 900 revolutions per minute, the stirring temperature is 20 ℃, and the stirring pressure is standard atmospheric pressure, so as to obtain a second auxiliary agent mixture;
and S3, slowly adding the polyacrylic resin and the epoxy acrylic resin into the second auxiliary agent mixture in sequence, and stirring uniformly for 100 minutes at a stirring speed of 80 revolutions per minute at a stirring temperature of 25 ℃ under a stirring pressure of standard atmospheric pressure to obtain the ultraviolet curing powder scattering silk-screen printing varnish ink.
Example 4: the embodiment provides the following components in parts by weight:
the weight ratio of the ethoxy ethyl acrylate to the trimethylolpropane triacrylate solvent is 1:1, and the weight ratio of the hexanediol diacrylate to the trimethylolpropane triacrylate in the trimethylolpropane triacrylate solvent is 2.0: 0.8.
the photoinitiator is prepared by mixing 0.5 part of 2-isopropyl thioxanthone, 0.8 part of 2-benzyl-2-dimethylamine-1- (4-morpholine benzyl phenyl) butanone and 4 parts of 1-hydroxycyclohexyl phenyl ketone.
The filler comprises polyethylene wax and fumed silica, and the weight ratio of the polyethylene wax to the fumed silica is 2: 4; the weight ratio of the defoaming agent to the flatting agent is 1: 0.9.
The preparation method of the ultraviolet curing powder-spreading silkscreen varnish ink comprises the following steps:
s1, placing the ultraviolet reactive diluent and the photoinitiator into a container to be stirred, wherein the stirring time is 15 minutes, the stirring speed is 800 revolutions per minute, the stirring temperature is 25 ℃, and the stirring pressure is standard atmospheric pressure, so that a first auxiliary agent mixture is obtained;
s2, slowly adding the filler and the leveling agent into the first auxiliary agent mixture, and uniformly stirring, wherein the stirring time is 20 minutes, the stirring speed is 1000 revolutions per minute, the stirring temperature is 25 ℃, and the stirring pressure is standard atmospheric pressure, so as to obtain a second auxiliary agent mixture;
and S3, slowly adding the polyacrylic resin and the epoxy acrylic resin into the second auxiliary agent mixture in sequence, and stirring uniformly for 120 minutes at a stirring speed of 120 revolutions per minute at a stirring temperature of 25 ℃ under a stirring pressure of standard atmospheric pressure to obtain the ultraviolet curing powder scattering silk-screen printing varnish ink.
Table 1: proportion table of components of UV-curable powder-spreading screen printing varnish inks of examples 1 to 4
The UV-curable dusting silkscreen varnish inks prepared in examples 1 to 4 were compared with the UV-curable coating ink of the comparative example in the application test under the following conditions:
the construction process comprises the following steps: silk-screen printing;
and (4) suggesting meshes: 80-100 meshes;
curing speed: more than or equal to 30M/min;
viscosity: 4500 ± 500 mpa.s.
Judgment grade of odorless test:
A. the coating itself is substantially odorless;
B. the cured paint film is basically odorless;
C. the cured paint film (tested on the tile) was immediately placed in an airtight box after curing, and after two weeks of sealing, the airtight box was opened and was substantially odorless.
The powder falling test method comprises the following steps: and (3) respectively printing the ultraviolet curing powder-spreading silkscreen varnish ink on single-powder paper, completely curing under the curing condition, standing for 24 hours under normal conditions, wiping by using a toothbrush, and detecting the powder dropping rate.
The test results of the above test items are shown in table 2.
Table 2: test results table for examples 1-4 and comparative example
From table 2, it can be seen that the ultraviolet curing powder-spreading screen printing varnish ink prepared by the preparation method of the ultraviolet curing powder-spreading screen printing varnish ink of the present invention has better results in the gloss, the dusting test and the odor test than the comparative example.
The ultraviolet curing powder-spreading screen printing gloss oil ink has good adhesive force, flexibility, salt fog resistance, high and low temperature resistance and cold and hot cycle performance, can be applied to coating under various situations, widens the coating conditions to simplify the corresponding working procedures, reduces the operation, reduces the complexity of the working procedures and improves the production efficiency.
The preparation method of the ultraviolet curing dusting silk-screen printing varnish ink has the advantages of simple preparation technology, coincident reaction and environmental protection, and the prepared ultraviolet curing dusting silk-screen printing varnish ink has good adhesive force and appreciation efficiency and is suitable for large-batch continuous production; the aliphatic polyurethane acrylate has excellent caking property, flexibility and good interlayer adhesion rate, and the prepared ink has good caking property and can be stably and firmly adhered to the surface of a product under the combined action of the hexanediol diacrylate in the ultraviolet reactive diluent; the epoxy acrylic resin in the printing ink component has higher surface hardness, good glossiness and excellent solvent resistance after being cured, and the polyester acrylic resin has extremely low volume shrinkage after being cured and the leveling agent in the auxiliary agent can enable the printing ink to be quickly and stably printed on the surface of a product; therefore, the problems of poor powder scattering adhesiveness and poor printing efficiency of the same type of domestic curing ink are solved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides an ultraviolet curing dusting silk screen printing gloss oil printing ink which characterized in that: the paint comprises the following components in parts by weight:
1-2 parts of an auxiliary agent, wherein the auxiliary agent comprises a defoaming agent and a leveling agent.
2. The ultraviolet curing dusting silkscreen varnish ink as claimed in claim 1, wherein: the polyester acrylate is difunctional aliphatic urethane acrylate.
3. The ultraviolet curing dusting silkscreen varnish ink as claimed in claim 1, wherein: the epoxy acrylic resin is bisphenol A epoxy acrylate, and the epoxy acrylate is diluted by 15 mass percent of trimethylolpropane triacrylate.
4. The ultraviolet curing dusting silkscreen varnish ink as claimed in claim 1, wherein: the ultraviolet active diluent comprises ethoxy ethyl acrylate and trimethylolpropane triacrylate solvent, wherein the trimethylolpropane triacrylate is dissolved by hexanediol diacrylate, and the weight ratio of the hexanediol diacrylate to the trimethylolpropane triacrylate is 2.0:0.5 to 0.8.
5. The ultraviolet curing dusting silkscreen varnish ink as claimed in claim 1, wherein: the photoinitiator is prepared by mixing 0.2-0.5 part of 2-isopropyl thioxanthone, 0.5-0.8 part of 2-benzyl-2-dimethylamine-1- (4-morpholine benzyl phenyl) butanone and 2-3.5 parts of 1-hydroxycyclohexyl phenyl ketone.
6. The ultraviolet curing dusting silkscreen varnish ink as claimed in claim 1, wherein: the filler comprises polyethylene wax and fumed silica, and the weight ratio of the polyethylene wax to the fumed silica is 2: 3-4.5; the weight ratio of the defoaming agent to the flatting agent is 1: 0.8-1.
7. A method for preparing the UV-curable dusting silkscreen varnish ink according to any one of claims 1 to 6, characterized by the following steps:
s1, placing the ultraviolet reactive diluent and the photoinitiator into a container and stirring to obtain a first auxiliary agent mixture;
s2, slowly adding the filler and the leveling agent into the first auxiliary agent mixture, and uniformly stirring to obtain a second auxiliary agent mixture;
and S3, slowly adding the polyacrylic resin and the epoxy acrylic resin into the second auxiliary agent mixture in sequence, and stirring uniformly to obtain the ultraviolet curing powder-scattering silk-screen printing varnish ink.
8. The method for preparing the ultraviolet curing dusting silk-screen printing varnish ink as claimed in claim 7, wherein the method comprises the following steps: the stirring time in the step S1 is 14-20 minutes, the stirring speed is 800-1200 rpm, the stirring temperature is 30-40 ℃, and the stirring pressure is standard atmospheric pressure.
9. The method for preparing the ultraviolet curing dusting silk-screen printing varnish ink as claimed in claim 7, wherein the method comprises the following steps: the stirring time in the step S2 is 15-25 minutes, the stirring speed is 800-1200 rpm, the stirring temperature is 15-35 ℃, and the stirring pressure is standard atmospheric pressure.
10. The method for preparing the ultraviolet curing dusting silk-screen printing varnish ink as claimed in claim 1, wherein the method comprises the following steps: the stirring time in the step S3 is 90-150 minutes, the stirring speed is 80-120 revolutions per minute, the stirring temperature is 15-35 ℃, and the stirring pressure is standard atmospheric pressure.
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