CN105419461B - A kind of UV offset metal inks and preparation method thereof - Google Patents

A kind of UV offset metal inks and preparation method thereof Download PDF

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CN105419461B
CN105419461B CN201510897989.5A CN201510897989A CN105419461B CN 105419461 B CN105419461 B CN 105419461B CN 201510897989 A CN201510897989 A CN 201510897989A CN 105419461 B CN105419461 B CN 105419461B
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acrylic resin
metal inks
pigment
photoinitiator
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CN105419461A (en
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谈惠洁
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Shanghai Jieyisen Co Ltd
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Shanghai Jieyisen Co Ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/10Printing inks based on artificial resins
    • C09D11/101Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D11/00Inks
    • C09D11/02Printing inks
    • C09D11/10Printing inks based on artificial resins
    • C09D11/102Printing 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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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

The present invention relates to a kind of UV offset metal inks and preparation method thereof, which includes following components and parts by weight content:15 parts of 40 70 parts of compound prepolymer, 15 30 parts of monomer, 26 parts of photoinitiator, 10 30 parts of pigment and auxiliary agent, wherein the compound prepolymer is mixed by aliphatic modified epoxy acrylic resin with polyurethane acrylic resin;When preparation, compound prepolymer, monomer, pigment, photoinitiator and auxiliary agent are added to agitator together by weight, at a temperature of 25 30 DEG C, under 600 800 revs/min of rotating speed, it is stirred 12 hours, it transfers to three-roll grinder to be ground, grind 35 times, measure system fineness, fineness≤40 μm are controlled, UV offset metal inks are obtained.Compared with prior art, UV offset metal inks produced by the present invention, safety and environmental protection, storage stability is good, and printing adaptability is good, can effectively improve the technological deficiency of existing UV offset metal inks poor storage stability.

Description

A kind of UV offset metal inks and preparation method thereof
Technical field
The invention belongs to technical field of ink, it is related to a kind of UV offset metal inks and preparation method thereof.
Background technology
Ultraviolet light solidification (i.e. UV solidifications) refers to that the photoactive substance under the action of uv light in system chemically reacts Biologically active fragment is generated, the polymerization, crosslinking of activated monomer or oligomer in initiation system, to make system be become by liquid coating moment At solid-state coating.
Offset printing UV is a kind of feature of environmental protection ink, is free of volatile ingredient, color and printing characteristic will not be made to change. In printing process, UV ink easily keeps the stabilization of color and viscosity, once before printing adjusted mass colour, in printing machine On adjustment workload it is just very small, without adding other additives.UV ink layer surfaces after drying have high Wearability and chemical stability, and have very high covering power and glossiness.
From German Bayer AG in 1967 develop first generation UV it is coating material solidified since, UV curing technologies are worldwide Developed rapidly, UV is coating material solidified, ink, solder resist and adhesive etc. electronics, printing, building, decoration, medicine, machinery, Chemical industry and automobile and other industries promote and apply rapidly, and UV solidifications have become new a technology branch and developing direction.UV light Material is changed from the seventies since foreign countries are commercialized, the straight rapid growth for keeping 8-10%.Ultraviolet light cured printing ink conduct One major class of UV curing materials, is rapidly developed and extensive use in packages printing industry, has spread offset printing, convex print, recessed The print fields such as print, wire mark and ink jet printing.
China's UV offset inks are started late, but nearly 2 years growth momentums are very swift and violent.In the past 10 years, China's ink work Industry has obtained very fast development, and especially many enterprises have put into a large amount of fund and have been used for technological transformation and technological transformation in recent years, The research and development of ink and manufacture level are continuously improved, and the use of new material, new equipment shortens the gap with ink enterprise of the world.Mesh Before, the production technology level and product quality of most ink enterprise of China have had substantive raising, and can expire The quality requirement of the domestic printing packaging of foot.The ink sustained production in China quickly trains length, and yield is only second to the U.S., Japan and moral State occupies the 4th, the world.
Metal ink refers to that the pigments or dyes in traditional ink is replaced to be formulated with tiny sheet metal, is had The ink of unique metal luminous effect.The pigment of metal ink is mainly bronze and silver powder (copper powder and aluminium powder), can also add people its His pigment is to generate the ink with particular color, referred to as coloring metal ink.With the continuous development of ink technology, in reality It is also higher and higher to the performance requirement of UV metal inks during the use of border.
Application No. is 201410134908.1 Chinese invention patents to disclose a kind of UV metal inks and preparation method thereof, The UV metal inks include by weight:Chlorination modified polyester acrylate 22.6%, adhesion promoter 15-25%, activity Monomer 5-10%, composite photoinitiator 7%, metallic pigments 35-50%, damage resistant auxiliary agent 0.2%, polymerization inhibitor 0.2% wherein should Activated monomer is tri (propylene glycol) diacrylate, trimethylolpropane trimethacrylate and neopentylglycol diacrylate One of them or combinations thereof object.The technical solution of above-mentioned patent disclosure, although can effectively improve between UV metal inks and base material Adhesive force, but metallic pigments employed in recipe ingredient, the unstable chemcial property of its own, when using and storing, It will strictly seal, avoid absorbing excessive moisture and prolonged light direct projection, this can undoubtedly increase transport and storage cost, Storage stability needs to be further increased.
Invention content
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of properties to stablize, safety Environmental protection, UV offset metal inks that storage characteristics are excellent and printing adaptability is good and preparation method thereof, to improve existing UV offset printings The technological deficiency of metal ink poor storage stability reduces the rotten wind of ink to reduce transport and the storage cost of ink Danger, to reduce printing cost.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of UV offset metal inks, the metal ink include following components and parts by weight content:Compound prepolymer 40-70 1-5 parts of part, 15-30 parts of monomer, 2-6 parts of photoinitiator, 10-30 parts of pigment and auxiliary agent;
Wherein, the compound prepolymer is mixed by aliphatic modified epoxy acrylic resin with polyurethane acrylic resin It forms.
Preferably, metal ink includes following components and parts by weight content:Compound prepolymer 50-60 parts, monomer 20-25 2-4 parts of part, 4-5 parts of photoinitiator, 20-25 parts of pigment and auxiliary agent.
In the compound prepolymer, the mass ratio of aliphatic modified epoxy acrylic resin and polyurethane acrylic resin For 26-32:20-36.
The monomer is one or both of 1,6- hexanediyl esters or tripropylene glycol diacrylate.
1, the 6- hexanediyl esters are the difunctionals third obtained by 1,6- hexylene glycols and acroleic acid esterification Olefin(e) acid ester, molecular structure have preferable flexibility, and activity is high, can effectively improve the adhesive force and toughness of paint film;And it is described Tripropylene glycol diacrylate has low volatility, low viscosity, high response and excellent flexibility.1, the 6- oneself two Alcohol diacrylate uses in ink system mainly as crosslinking agent with tripropylene glycol diacrylate, can reduce radiation agent Amount, moreover it is possible to improve the compactness and stability of paint film.
The photoinitiator is thio-phenyl-to oxygen azo-cycle acetone.
The pigment is bronze or silver powder.
The auxiliary agent is organic silicon surfactant.
The organic silicon surfactant is selected from commercially available BYK348.
The addition of the organic silicon surfactant can effectively improve the stability of ink system, promote compound pre-polymerization The compatibility of object and photoinitiator, pigment so that pigment disperses more uniformly, to prevent pigment from precipitating in system, meanwhile, it can carry The being firmly combined with property of high ink paint film and base material, the phenomenon that effectively eliminating pull-away, peeling.
A kind of preparation method of UV offset metal inks, this method specifically include following steps:
(1) it presses following components and parts by weight content is stocked up:
Compound prepolymer 40-70 parts, 15-30 parts of monomer, 2-6 parts of photoinitiator, 1-5 parts of 10-30 parts of pigment and auxiliary agent, In, the compound prepolymer is mixed by aliphatic modified epoxy acrylic resin with polyurethane acrylic resin;
(2) compound prepolymer, monomer, pigment, photoinitiator and auxiliary agent are added to agitator together by weight, in At a temperature of 25-30 DEG C, under 600-800 revs/min of rotating speed, it is stirred 1-2 hours;
(3) above-mentioned system is transferred to three-roll grinder to be ground, is ground 3-5 times, measure system fineness, control fineness ≤ 40 μm, obtain UV offset metal inks.
In compound prepolymer described in step (1), aliphatic modified epoxy acrylic resin and polyurethane acrylic resin Mass ratio be 26-32:20-36.
In the present invention, the compound prepolymer is using aliphatic modified epoxy acrylic resin and polyurethane acroleic acid tree Fat mixes, wherein epoxy acrylic resin has had both the performance of epoxy resin and acrylic resin, in Physical Mechanical Energy, chemical resistance and bond properties etc. are suitable with epoxy resin, while, guarantor shallow with acrylic resin color again Color protects the features such as plentiful light, light, Weather resistant heat resistant;And polyurethane acrylic resin is then with polyurethane resin and acrylic acid The advantages of resin, corrosion resistance, wearability are good, strong adhesive force;It has adhesive force compared with film made from pure acrylate By force, the features such as hardness is high, richness is good, solvent resistant, acid and alkali-resistance, and the mechanical performance of paint film can also significantly improve.It is same with this When, the compatibility of the compound prepolymer and pigment that are mixed using above two resin is more preferably conducive to the storage of improvement system Deposit stability.
In terms of the selection of photoinitiator, since different photoinitiators has a respective structure and performance, this difference from Two aspects reflect its influence to ink storage stability:First, the difference of molecular structure leads to the ultraviolet suction of photoinitiator Difference is received, it is different to decompose the ability generated free radicals under the same conditions;Second is that dissolubility of the different photoinitiators in monomer It can be different.And the selected thio-phenyl-of the present invention is to oxygen azo-cycle acetone, in aliphatic modified epoxy acrylic resin and poly- ammonia In ester acrylic resin systems, dissolution dispersity is good, is in undersaturated condition, and then can effectively eliminate because photoinitiator was in When saturation state, be also easy to produce in system local concentration it is excessive and caused by poor storage stability, the short technology of storage time Defect.
Compared with prior art, the invention has the characteristics that:
1) metal ink of the present invention have excellent storage stability, can store steadily in the long term at normal temperatures, reduce because Economic loss is to reduce printing cost caused by ink is rotten;
2) metal ink printing adaptability of the present invention is good, and color is full, and layer of ink texture uniformity is good, and marginal definition is good, Strong adhesive force, excellent wear-resisting property, printing effect are good;
3) preparation method is simple, mild condition, and controllability is good, and raw material sources are wide, and production cost is low, is suitable for extensive work Industry metaplasia is produced, and has good application prospect.
Specific implementation mode
With reference to specific embodiment, the present invention is described in detail.
Embodiment 1:
In the present embodiment, UV offset metal inks formula is as follows:
Aliphatic modified epoxy acrylic resin:32kg,
Polyurethane acrylic resin:20kg,
Tripropylene glycol diacrylate:12kg,
Thio-phenyl-is to oxygen azo-cycle acetone:3kg,
Bronze:30kg,
BYK348:3kg,
Total weight is 100kg.
The preparation method of the present embodiment UV offset metal inks specifically includes following steps:
(1) batch weighing:Quantitative prepolymer, list are accurately weighed respectively according to the weight percent ranges of each component Body, photoinitiator, pigment and auxiliary agent are placed in different stainless steel barrels, spare;
(2) disperse:By the aliphatic modified epoxy acrylic resins of 32kg, 20kg polyurethane acrylic resins, 12kg 3 third Oxygen azo-cycle acetone, 30kg bronzes and 3kg BYK348 is added in agitator in omega-diol diacrylate, 3kg thio-phenyls-, stirring Uniformly;
(3) it grinds:Uniformly mixed ink is put into three-roll grinder to be ground, is ground about 3~5 times, fineness is measured (GB/T 13217.3-1991) ensures ink system's degree at 40 μm hereinafter, UV offset printing metal oils i.e. prepared after stable system Ink.
(4) potting package:It is accurately weighed by packed weight in quantitative UV offset metal inks to ink tank, covers cover And seal, it is labelled to obtain UV offset printing final metal products.
Embodiment 2:
In the present embodiment, UV offset metal inks formula is as follows:
Aliphatic modified epoxy acrylic resin:20kg,
Polyurethane acrylic resin:36kg,
1,6- hexanediyl ester:15kg
Thio-phenyl-is to oxygen azo-cycle acetone:3kg,
Silver powder:25kg,
BYK348:3kg,
Total weight is 100kg.
The preparation method of the present embodiment UV offset metal inks specifically includes following steps:
(1) batch weighing:Quantitative prepolymer, list are accurately weighed respectively according to the weight percent ranges of each component Body, photoinitiator, pigment and auxiliary agent are placed in different stainless steel barrels, spare;
(2) disperse:By the aliphatic modified epoxy acrylic resins of 20kg, 36kg polyurethane acrylic resins, 15kg 1,6- Oxygen azo-cycle acetone, 25kg silver powder and 1kg BYK348 is added in agitator in hexanediyl ester, 3kg thio-phenyls-, stirs It mixes uniformly;
(3) it grinds:Uniformly mixed ink is put into three-roll grinder to be ground, is ground about 3~5 times, fineness is measured (GB/T 13217.3-1991) ensures ink system's degree at 40 μm hereinafter, UV offset printing metal oils i.e. prepared after stable system Ink.
(4) potting package:It is accurately weighed by packed weight in quantitative UV offset metal inks to ink tank, covers cover And seal, it is labelled to obtain UV offset printing final metal products.
Embodiment 3:
In the present embodiment, UV offset metal inks formula is as follows:
Aliphatic modified epoxy acrylic resin:26kg,
Polyurethane acrylic resin:30kg,
1,6- hexanediyl ester:20kg
Thio-phenyl-is to oxygen azo-cycle acetone:3kg,
Silver powder:20kg,
BYK348:1kg,
Total weight is 100kg.
The preparation method of the present embodiment UV offset metal inks specifically includes following steps:
(1) batch weighing:Quantitative prepolymer, list are accurately weighed respectively according to the weight percent ranges of each component Body, photoinitiator, pigment and auxiliary agent are placed in different stainless steel barrels, spare;
(2) disperse:By the aliphatic modified epoxy acrylic resins of 26kg, 30kg polyurethane acrylic resins, 20kg1,6- Oxygen azo-cycle acetone, 20kg silver powder and 1kg BYK348 is added in agitator in hexanediyl ester, 3kg thio-phenyls-, stirs It mixes uniformly;
(3) it grinds:Uniformly mixed ink is put into three-roll grinder to be ground, is ground about 3~5 times, fineness is measured (GB/T 13217.3-1991) ensures ink system's degree at 40 μm hereinafter, UV offset printing metal oils i.e. prepared after stable system Ink.
(4) potting package:It is accurately weighed by packed weight in quantitative UV offset metal inks to ink tank, covers cover And seal, it is labelled to obtain UV offset printing final metal products.
The inspection result of UV offset metal inks made from embodiment 1-3 is as shown in table 1.
The inspection result of 1 UV offset metal inks of table
Inspection project Embodiment 1 Embodiment 2 Embodiment 3
Adhesive force Level-one Level-one Level-one
Hardness 6H 6H 6H
Color Comply with standard sample Comply with standard sample Comply with standard sample
Resistance to ag(e)ing It is excellent It is excellent It is excellent
Storage time > 180 days > 180 days > 180 days
As it can be seen from table 1 the adhesive force of UV offset metal inks produced by the present invention is excellent, resistance to ag(e)ing is good, storage Time can reach 180 days or more, have excellent storage stability, can store, reduce because of oil steadily in the long term at normal temperatures Economic loss is to reduce printing cost caused by ink is rotten.
The preparation method of the present invention is simple for process, convenient operation and control, stable quality, and production efficiency is high, can extensive work Industry metaplasia is produced.
Embodiment 4:
The present embodiment UV offset metal inks, including following components and parts by weight content:40 parts of compound prepolymer, monomer 15 1 part of part, 2 parts of photoinitiator, 10 parts of pigment and auxiliary agent;Wherein, compound prepolymer by aliphatic modified epoxy acrylic resin with Polyurethane acrylic resin is 20 in mass ratio:30 mix.
Wherein, monomer 1,6- hexanediyl esters are 1 in mass ratio with tripropylene glycol diacrylate:1 it is mixed Close monomer;Photoinitiator is thio-phenyl-to oxygen azo-cycle acetone;Pigment is bronze;Auxiliary agent is commercially available BYK348.
The preparation method of the present embodiment UV offset metal inks, this method specifically include following steps:
(1) it presses following components and parts by weight content is stocked up:
1 part of 40 parts of compound prepolymer, 15 parts of monomer, 2 parts of photoinitiator, 10 parts of pigment and auxiliary agent, wherein compound prepolymer It is 20 in mass ratio by aliphatic modified epoxy acrylic resin and polyurethane acrylic resin:30 mix;
(2) compound prepolymer, monomer, pigment, photoinitiator and auxiliary agent are added to agitator together by weight, in At a temperature of 25 DEG C, under 600 revs/min of rotating speed, it is stirred 2 hours;
(3) above-mentioned system is transferred to three-roll grinder to be ground, is ground 3-5 times, measure system fineness, control fineness ≤ 40 μm, obtain UV offset metal inks.
Embodiment 5:
The present embodiment UV offset metal inks, including following components and parts by weight content:70 parts of compound prepolymer, monomer 30 5 parts of part, 6 parts of photoinitiator, 30 parts of pigment and auxiliary agent;Wherein, compound prepolymer by aliphatic modified epoxy acrylic resin with Polyurethane acrylic resin is 32 in mass ratio:36 mix.
Wherein, monomer 1,6- hexanediyl esters are 1 in mass ratio with tripropylene glycol diacrylate:2 it is mixed Close monomer;Photoinitiator is thio-phenyl-to oxygen azo-cycle acetone;Pigment is silver powder;Auxiliary agent is commercially available BYK348.
The preparation method of the present embodiment UV offset metal inks, this method specifically include following steps:
(1) it presses following components and parts by weight content is stocked up:
5 parts of 70 parts of compound prepolymer, 30 parts of monomer, 6 parts of photoinitiator, 30 parts of pigment and auxiliary agent;Wherein, compound prepolymer It is 32 in mass ratio by aliphatic modified epoxy acrylic resin and polyurethane acrylic resin:36 mix;
(2) compound prepolymer, monomer, pigment, photoinitiator and auxiliary agent are added to agitator together by weight, in At a temperature of 30 DEG C, under 800 revs/min of rotating speed, it is stirred 1 hour;
(3) above-mentioned system is transferred to three-roll grinder to be ground, is ground 3-5 times, measure system fineness, control fineness ≤ 40 μm, obtain UV offset metal inks.
Embodiment 6:
The present embodiment UV offset metal inks, including following components and parts by weight content:50 parts of compound prepolymer, monomer 20 2 parts of part, 4 parts of photoinitiator, 20 parts of pigment and auxiliary agent;Wherein, compound prepolymer by aliphatic modified epoxy acrylic resin with Polyurethane acrylic resin is 24 in mass ratio:32 mix.
Wherein, monomer 1,6- hexanediyl esters;Photoinitiator is thio-phenyl-to oxygen azo-cycle acetone;Pigment For silver powder;Auxiliary agent is commercially available BYK348.
The preparation method of the present embodiment UV offset metal inks, this method specifically include following steps:
(1) it presses following components and parts by weight content is stocked up:
2 parts of 50 parts of compound prepolymer, 20 parts of monomer, 4 parts of photoinitiator, 20 parts of pigment and auxiliary agent;Wherein, compound prepolymer It is 24 in mass ratio by aliphatic modified epoxy acrylic resin and polyurethane acrylic resin:32 mix;
(2) compound prepolymer, monomer, pigment, photoinitiator and auxiliary agent are added to agitator together by weight, in At a temperature of 28 DEG C, under 750 revs/min of rotating speed, it is stirred 1.5 hours;
(3) above-mentioned system is transferred to three-roll grinder to be ground, is ground 3-5 times, measure system fineness, control fineness ≤ 40 μm, obtain UV offset metal inks.
Embodiment 7:
The present embodiment UV offset metal inks, including following components and parts by weight content:60 parts of compound prepolymer, monomer 25 4 parts of part, 5 parts of photoinitiator, 25 parts of pigment and auxiliary agent;Wherein, compound prepolymer by aliphatic modified epoxy acrylic resin with Polyurethane acrylic resin is 20 in mass ratio:25 mix.
Wherein, monomer is tripropylene glycol diacrylate;Photoinitiator is thio-phenyl-to oxygen azo-cycle acetone;Pigment is Silver powder;Auxiliary agent is commercially available BYK348.
The preparation method of the present embodiment UV offset metal inks, this method specifically include following steps:
(1) it presses following components and parts by weight content is stocked up:
4 parts of 60 parts of compound prepolymer, 25 parts of monomer, 5 parts of photoinitiator, 25 parts of pigment and auxiliary agent;Wherein, compound prepolymer It is 20 in mass ratio by aliphatic modified epoxy acrylic resin and polyurethane acrylic resin:25 mix;
(2) compound prepolymer, monomer, pigment, photoinitiator and auxiliary agent are added to agitator together by weight, in At a temperature of 30 DEG C, under 660 revs/min of rotating speed, it is stirred 2 hours;
(3) above-mentioned system is transferred to three-roll grinder to be ground, is ground 3-5 times, measure system fineness, control fineness ≤ 40 μm, obtain UV offset metal inks.
Embodiment 8:
The present embodiment UV offset metal inks, including following components and parts by weight content:58 parts of compound prepolymer, monomer 24 3 parts of part, 3 parts of photoinitiator, 22 parts of pigment and auxiliary agent;Wherein, compound prepolymer by aliphatic modified epoxy acrylic resin with Polyurethane acrylic resin is 27 in mass ratio:33 mix.
Wherein, monomer 1,6- hexanediyl esters are 2 in mass ratio with tripropylene glycol diacrylate:1 it is mixed Close monomer;Photoinitiator is thio-phenyl-to oxygen azo-cycle acetone;Pigment is bronze;Auxiliary agent is commercially available BYK348.
The preparation method of the present embodiment UV offset metal inks, this method specifically include following steps:
(1) it presses following components and parts by weight content is stocked up:
3 parts of 58 parts of compound prepolymer, 24 parts of monomer, 3 parts of photoinitiator, 22 parts of pigment and auxiliary agent;Wherein, compound prepolymer It is 27 in mass ratio by aliphatic modified epoxy acrylic resin and polyurethane acrylic resin:33 mix;
(2) compound prepolymer, monomer, pigment, photoinitiator and auxiliary agent are added to agitator together by weight, in At a temperature of 25 DEG C, under 600 revs/min of rotating speed, it is stirred 2 hours;
(3) above-mentioned system is transferred to three-roll grinder to be ground, is ground 3-5 times, measure system fineness, control fineness ≤ 40 μm, obtain UV offset metal inks.
Embodiment 9:
The present embodiment UV offset metal inks, including following components and parts by weight content:46 parts of compound prepolymer, monomer 16 1.5 parts of part, 4.5 parts of photoinitiator, 14 parts of pigment and auxiliary agent;Wherein, compound prepolymer is by aliphatic modified epoxy acrylic tree Fat is 32 in mass ratio with polyurethane acrylic resin:36 mix.
Wherein, monomer 1,6- hexanediyl esters are 2 in mass ratio with tripropylene glycol diacrylate:3 it is mixed Close monomer;Photoinitiator is thio-phenyl-to oxygen azo-cycle acetone;Pigment is bronze;Auxiliary agent is commercially available BYK348.
The preparation method of the present embodiment UV offset metal inks, this method specifically include following steps:
(1) it presses following components and parts by weight content is stocked up:
1.5 parts of 46 parts of compound prepolymer, 16 parts of monomer, 4.5 parts of photoinitiator, 14 parts of pigment and auxiliary agent;
Wherein, compound prepolymer is in mass ratio with polyurethane acrylic resin by aliphatic modified epoxy acrylic resin 32:36 mix;
(2) compound prepolymer, monomer, pigment, photoinitiator and auxiliary agent are added to agitator together by weight, in At a temperature of 25 DEG C, under 600 revs/min of rotating speed, it is stirred 2 hours;
(3) above-mentioned system is transferred to three-roll grinder to be ground, is ground 3-5 times, measure system fineness, control fineness ≤ 40 μm, obtain UV offset metal inks.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification For the equivalent embodiment of equivalent variations, as long as be without departing from technical solution of the present invention content, it is right according to the technical essence of the invention Any simple modification, equivalent change and modification made by above example, in the range of still falling within technical solution of the present invention.

Claims (9)

1. a kind of UV offset metal inks, which is characterized in that the metal ink includes following components and parts by weight content:It is compound pre- 1-5 parts of 40-70 parts of polymers, 15-30 parts of monomer, 2-6 parts of photoinitiator, 10-30 parts of pigment and auxiliary agent;
Wherein, the compound prepolymer mixed with polyurethane acrylic resin by aliphatic modified epoxy acrylic resin and At;
The photoinitiator is thio-phenyl-to oxygen azo-cycle acetone.
2. a kind of UV offset metal inks according to claim 1, which is characterized in that the metal ink includes following components And parts by weight content:Compound prepolymer 50-60 parts, 20-25 parts of monomer, 4-5 parts of photoinitiator, 20-25 parts of pigment and auxiliary agent 2-4 Part.
3. a kind of UV offset metal inks according to claim 1, which is characterized in that in the compound prepolymer, fat The mass ratio of fat race modified epoxy acrylate resin and polyurethane acrylic resin is 26-32:20-36.
4. a kind of UV offset metal inks according to claim 1, which is characterized in that the monomer is 1,6- hexylene glycols One or both of diacrylate or tripropylene glycol diacrylate.
5. a kind of UV offset metal inks according to claim 1, which is characterized in that the pigment is bronze or silver Powder.
6. a kind of UV offset metal inks according to claim 1, which is characterized in that the auxiliary agent is organosilyl surface Activating agent.
7. a kind of UV offset metal inks according to claim 6, which is characterized in that the organic silicon surfactant Selected from commercially available BYK348.
8. a kind of preparation method of UV offset metal inks as described in claim 1, which is characterized in that this method specifically includes Following steps:
(1) it presses following components and parts by weight content is stocked up:
Compound prepolymer 40-70 parts, 15-30 parts of monomer, 2-6 parts of photoinitiator, 1-5 parts of 10-30 parts of pigment and auxiliary agent, wherein The compound prepolymer is mixed by aliphatic modified epoxy acrylic resin with polyurethane acrylic resin;
(2) compound prepolymer, monomer, pigment, photoinitiator and auxiliary agent are added to agitator together by weight, in 25- At a temperature of 30 DEG C, under 600-800 revs/min of rotating speed, it is stirred 1-2 hours;
(3) above-mentioned system is transferred to three-roll grinder to be ground, is ground 3-5 times, measure system fineness, control fineness≤40 μm, obtain UV offset metal inks.
9. a kind of preparation method of UV offset metal inks according to claim 8, which is characterized in that step (1) is described Compound prepolymer in, the mass ratio of aliphatic modified epoxy acrylic resin and polyurethane acrylic resin is 26-32:20- 36。
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CN107011722B (en) * 2017-06-02 2020-11-24 广州市尤特新材料有限公司 Ultraviolet-cured universal metal ink and preparation method thereof
CN107488376A (en) * 2017-09-30 2017-12-19 安徽嘉美包装有限公司 A kind of high light wearable UV ink for cigarette packets print field
CN109504161A (en) * 2018-06-08 2019-03-22 湖南阳光新材料有限公司 A kind of UV metal ink of storage endurance and preparation method thereof
CN112644192A (en) * 2020-09-01 2021-04-13 台州市福华标牌制作有限公司 Reflective silk-screen manufacturing process
CN112078263A (en) * 2020-09-09 2020-12-15 深圳市优印印刷有限公司 Metallic texture color printing method for digital printing
CN114672196A (en) * 2020-12-24 2022-06-28 湖南金固力油墨涂料有限公司 UV offset temperature-sensitive ink
CN115093746A (en) * 2022-06-17 2022-09-23 美盈森集团股份有限公司 Offset printing UV metal ink and preparation method thereof

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CN1896156A (en) * 2006-06-23 2007-01-17 中国乐凯胶片集团公司 Ultraviolet light-curing sand vein ink
CN101665641A (en) * 2009-09-25 2010-03-10 林国顺 Ultraviolet curing embossed printing ink
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