CN108997827A - A kind of high stable, easily peelable efficient UV ink and preparation method thereof - Google Patents
A kind of high stable, easily peelable efficient UV ink and preparation method thereof Download PDFInfo
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- CN108997827A CN108997827A CN201811064733.6A CN201811064733A CN108997827A CN 108997827 A CN108997827 A CN 108997827A CN 201811064733 A CN201811064733 A CN 201811064733A CN 108997827 A CN108997827 A CN 108997827A
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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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- Inks, Pencil-Leads, Or Crayons (AREA)
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Abstract
A kind of high stable, easily peelable efficient UV ink; the ink is aqueous; metal can be effectively protected; with characteristics such as corrosion-resistant, weatherability, scratch resistance, wear resistance, attachment force height, strong acid-base resistance, high, the stability length of intensity resistant to bending; in addition, UV protection ink can be removed effectively using paint stripper, removing is convenient; it is easy to filter and separate, and any damage will not be caused to metal base.
Description
Technical field:
The present invention relates to a kind of high stables, easily peelable efficient UV ink and preparation method thereof, belong to technical field of environmental protection ink.
Background technique:
No matter metal, especially stainless steel, magnesium alloy, titanium alloy, aluminium alloy are so in war industry, heavy industry, light industry, electrician
Industry, aerospace, ship etc. still all have been widely used in the industries such as daily necessity industry and building decoration,
But the problems such as metal often gets rusty under field conditions (factors), fades, aging, causes damages, such as it is very widely used today not
Rust steel is broadly divided into ferritic stainless steels, austenitic stainless steels, martensitic stain less steel, two phase stainless steel, precipitation-hardening
Stainless steel and displacement austenitic stainless steel.Two phase stainless steel is divided into (two-phase) ferrite/martensite stainless steel, (two-phase) geneva again
Body/carbide stainless steel, (two-phase) austenite/ferritic stainless steels (A-F), (two-phase) austenite/martensitic stain less steel
(A-M) etc..At the beginning of stainless steel making, need to carry out melting-casting-hammer cogging-rolls-to numerous raw materials of stainless steel to move back
The treatment process such as fire-machining-quenching could obtain final finished product, and smallclothes finished product is just direct often over simple packaging
It is sent to market, however the stainless steel of big part is needed by special transport or packing processes, this often occurs not in the process
The problems such as colliding with, scratch, deforming of steel part of rust more has the stainless steel for not using, leaving unused for a long time that burn into denaturation etc. can occur
Problem and lead to stainless steel, such as the decline of mechanical property corrosion resistance performance, therefore oxygen would generally be coated in metal surface
Change, antiultraviolet, anti-dripping melt, resistant to high temperatures, corrosion protective layer, the as far as possible performance of maintenance metal material and service life.
Uv radiation curing technology is the completely new green technology of one kind for having developed since the seventies in the world, utilizes this
The UV curable ink of technology production, abbreviation UV ink, the solidification process of UV ink are main including the following steps: chain draws
Hair, chain growth and chain termination, it is such as following various shown.
Chain causes: PI → R (PI:Photoinitiator)；R·+CH2=CHR→RCH2CHR,
Chain growth: RCH2CHCOOR+nCH2=CHR→R(CH2CHR)nCH2CHR,
Chain termination: R+R → R-R.
It is generated free radicals or cationic species, the reactive species and oligomerisation in initiating stage photoinitiator by UV irradiation
Unsaturated double-bond in body or monomer reacts to form new activated centre.The activated centre is unattenuated, continues and other double bonds are made
Longer polymer chain is formed with combining, is considered as the chain growth stage, if friendship can be formed with the presence of polyfunctional monomer or oligomer
Join reticular structure.Termination step mainly includes coupling termination and disproportionation termination.UV ink environmental pollution is small, curing rate
Fastly, the advantages that it is good to save the energy, cured product performance, is suitable for high-speed automated production.And traditional ink is volatile, solidification speed
Degree is slow, is unfavorable for environmental protection.Therefore, UV ink can be described as the main substitute of traditional ink.UV ink have become it is a kind of compared with
Mature ink technology, application range is growing, but in the use scope of numerous UV ink, rarely has using UV ink as metal
Protective film.
Therefore the present invention provides a kind of metal coating UV ink, the ink be it is aqueous, metal can be effectively protected, have
There is high, stability length of corrosion-resistant, weatherability, scratch resistance, wear resistance, attachment force height, strong acid-base resistance, intensity resistant to bending etc.
Characteristic, in addition, UV protection ink can be removed effectively using paint stripper, removing is convenient, and will not cause to metal base
Any damage.
Summary of the invention:
Based on above-mentioned metal problems faced, the present invention provides a kind of high stable, easily peelable efficient UV ink, feature exists
Include compounding photoinitiator, compound aqueous prepolymer, aqueous monomers, organic pigment, advection agent and table in the UV ink
Face activating agent, fungicide, organic solvent and deionized water, normal temperature storage stability >=1 year of the UV ink, and UV oil
Ink via radiation after, metallic substrate surface formed UV cured film, UV cured film is with a thickness of 0.1 ~ 1 mm, when the UV cured film exists
When being swollen in paint stripper, the UV solidification film density after the swelling is in 0.96 ~ 1.1g/cm3In range, it is easy to filter device
Separation.
Further, the compounding initiator content is 3 ~ 5wt.%, by Alpha-hydroxy isobutyrophenone and hydroxycyclohexan benzophenone
Composition, mass ratio are 3:(1.5 ~ 1.7).
Further, the aqueous prepolymer content of compounding is 25 ~ 35wt.%, by epoxy acrylate and polyurethane third
Olefin(e) acid ester composition, mass ratio 3:2.
Further, the aqueous monomers content is 15 ~ 20wt.%, is diacrylate -1,6- hexylene glycol ester.
Further, the organic solvent content is 25 ~ 30wt.%；0.1 ~ 2wt.% of organic pigment, advection agent: 0.1 ~
2wt.%, surfactant: 0.1 ~ 1wt.%, fungicide: 0.5 ~ 1wt.%, surplus are deionized water.
Further, the organic solvent is ethyl alcohol, and the organic pigment is phthalocyanine blue b, and the advection agent changes for polyethers
Property dimethyl silicone polymer, the surfactant be glycerin monostearate, sucrose ester, fatty acid sorbitan and polysorbate
One of or it is a variety of, the fungicide be isothiazolinone.
The preparation method of a kind of high stable, easily peelable efficient UV ink, it is characterised in that include the following steps: that (1) will
Epoxy acrylate and urethane acrylate compound aqueous prepolymer mixing, and Alpha-hydroxy isobutyrophenone and hydroxyl ring is added
Hexane benzophenone compound photoinitiator be uniformly mixed, then feed the mixture into flask, be stirred, at the same constantly be added dropwise go from
Sub- water and alcohol mixed solvent, rate of addition control be 0.5 ~ 2mL/s, temperature is room temperature, after completion of dropwise addition, continue stirring 3 ~
5min。
(2) step is connected, is warming up to 40 ~ 50oC adds surfactant and bactericide of iso-thiazolinone, continues to stir
5 ~ 7min is cooled to room temperature, and is added diacrylate -1,6- hexylene glycol ester aqueous monomers, is continued 3 ~ 5min of stirring, then successively
Polyether-modified dimethyl silicone polymer advection agent and phthalocyanine blue b organic pigment is added, final obtain contains 3 ~ 5wt.% in UV ink
Compound photoinitiator, 25 ~ 35wt.% compounds prepolymer, 15 ~ 20wt.% monomer, 0.1 ~ 2wt.% organic pigment, 0.1 ~ 2wt.%
Advection agent, 0.1 ~ 1wt.% surfactant, 0.1 ~ 1wt.% fungicide, 25 ~ 30wt.% ethyl alcohol organic solvent and deionized water.
(3) the final UV ink that obtains is coated on metallic substrate surface, coating thickness is 0.1 ~ 1 mm, and being placed in temperature is
In 50-60 DEG C of baking oven, it is heat-treated 2-5 minutes, then ultraviolet light is recycled to be radiated, ultraviolet ray intensity 100-130mJ/
cm2.S, irradiation time 3 ~ 5 minutes, the final metal base product for obtaining the protection of UV cured film.
(4) when needing using metal base, the product of metal material that surface is coated with UV cured film is placed in paint stripper
In, the UV cured film occurs to be swollen and be removed in paint stripper, and the UV solidification film density after swelling is in 0.96 ~ 1.1g/cm3Model
It in enclosing, and falls to below paint stripper, by filter device, the UV ink of removing is separated off.
(5) metal base is taken out, it is adequately washed, is dried, is finally come into operation.
Further, the maximum absorption wavelength is within the scope of 324-326nm.
Further, the metal base is one of stainless steel, aluminium-alloy pipe, titanium alloy tube or magnesium alloy.
Beneficial technical effect
A kind of metal coating UV ink provided by the invention, metal can be effectively protected in this, have corrosion-resistant, weatherability, resistance to
The characteristics such as scratch resistant, wear resistance, attachment force height, strong acid-base resistance, intensity height resistant to bending, in addition, UV protection ink can
It is effectively removed using paint stripper, removing is convenient, is easy to filter and separate, and will not cause metal any damage.
Detailed description of the invention:
Attached drawing 1 is the state after being removed in paint stripper using UV ink of the present invention.
Specific embodiment:
Test mode:
1 hardness test:
Determination of Hardness is carried out with pencil hardness method, using carriage type pencil hardometer, the pencil used is Mitsubishi pencil, firmly
Degree range is 6B ~ 6H, and H is higher, and pencil hardness is higher.Concrete operation method are as follows: the stainless steel plate of UV protection ink will be coated with
Sample is placed on horizontal, stable surface, will fix in the pencil inserting instrument cut and with clip, keeps instrument holding horizontal, lead
The tip of pen is placed on cured UV protection ink pellet surface.Test plate (panel) is pushed to push at least 7mm forward with the speed of 0.5 ~ 1mm/s.
If not occurring scratch, the pencil of higher hardness is replaced until there is at least scratch of 3mm, to there is not 3mm scratch
Most hard pencil hardness indicate the pencil hardness of UV curing protection ink.
2, scratch resistant is tested
Scratch UV curing protection ink, load 5-6N, not occur the maximum of obvious scratch back and forth with fixed speed using sand paper
Number is resistance to marring standard, and number illustrates that resistance to marring is better for scratching.
3, wearability test
It is measured using mill abrasion instrument, surveys the stainless steel containing UV curing ink and be fixed on abrasion instrument turnable base, by wanting
It asks elastic grinding wheel pressure and coating surface flat contact, after polishing 100 times, the weight of abrasion front and back template is weighed with assay balance
Amount, difference is abrasion loss, and abrasion loss is smaller, and wearability is better.
4, binding force grade
Use the binding force grade of following Standard Judgement sample:
0: the UV curing ink film thickness of stainless steel surface uniformly, it is complete, smooth, without bulge, without peeling.
1: the UV curing ink of stainless steel surface, which lacks, a little bulge on layer, but without it is complete, without peeling.
2: the UV curing ink of stainless steel surface, which lacks on layer, bulge, there is peeling.
3: the UV curing ink of stainless steel surface, which lacks, bulge on layer, fallen off at peeling with big form of chips, but impacted
The obvious < 20% of region area.
4: the UV curing ink of stainless steel surface, which lacks, bulge on layer, fallen off at peeling with big form of chips, but impacted
The obvious > 20% of region area.
5, buckling strength
Surface is contained to the stainless steel bending 180 of UV curing inkoC is only few in bending part UV curing ink layer after expansion
Perhaps ink peeling is considered as " excellent ", has apparent ink peeling and visible internal stainless steel in bending part UV curing ink layer, and
Other positions are considered as " good " without skin effect phenomenon, have apparent ink peeling and visible inside in bending part UV curing ink layer
Stainless steel, and other positions also have obvious skin effect phenomenon to be considered as " poor ".
6, weatherability: at natural exposure 30 days, coating surface color change is observed, to determine the weather-proof of UV curing ink
Property.
7, biocidal property is tested: inhibition zone method.
8, condition of cure: a, UV radiated time: if UV radiated time is too long, it will cause over cures, conversely, can then make
It is incomplete at solidification.B, UV radiant power: if UV radiant power is inadequate, even if increasing radiated time, can not thoroughly solidify, past
Past layer of ink surface is cured and bottom is uncured, it should be ensured that and UV radiant power reaches sufficiently large, and the ultraviolet light of generation is enough,
Energy is sufficiently large, there is the wave band that penetration power is strong, can just penetrate layer of ink, is cured to layer of ink bottom, and UV ink is enable thoroughly to solidify.
C, temperature: under normal operation circumstances, temperature rises, and curing rate is accelerated.D, ink layer thickness: UV ink ink layer thickness is thinner,
Laser curing velocity is faster: layer of ink is thicker, and laser curing velocity is slower.
9, paint stripper is tested: the ratio of each ingredient is compounding main solvent benzyl alcohol and N- methyl -2- pyrroles in paint stripper
The content of alkanone is 20wt.%, and mass ratio 4:1, the content of the cosolvent acetone is 6wt.%；The promotor acetic acid contains
Amount is 4wt.%, the content of the emulsifier op-10 is 1.5wt.%, the content of the corrosion inhibiter thiocarbamide is 0.75wt.%, described
The content of bactericide of iso-thiazolinone be 0.4wt.%, surplus be 3.5:1 second alcohol and water mixed liquor, paint stripper it is relatively close
Spend d=0.80 ~ 0.95g/mL.
10, storage stability is tested: shelf-life number of days unglazed, under air-proof condition is as steady testing parameter.
Embodiment 1
A kind of high stable, easily peelable efficient UV ink, the UV ink include
Compound photoinitiator: Alpha-hydroxy isobutyrophenone: hydroxycyclohexan benzophenone=3:1.5,3wt.%
Compound aqueous prepolymer: epoxy acrylate: urethane acrylate=3:2,25wt.%
Aqueous monomers: diacrylate -1,6- hexylene glycol ester, 15wt.%
Organic pigment: phthalocyanine blue b, 0.1wt.%
Advection agent: polyether-modified dimethyl silicone polymer, 0.1wt.%
Surfactant: Tween-80,0.1wt.%
Fungicide: isothiazolinone, 0.5wt.%
Organic solvent: ethyl alcohol, 25wt.%
Balance deionized water.
A kind of high stable, easily peelable efficient UV ink the preparation method is as follows:
(1) epoxy acrylate and urethane acrylate are compounded aqueous prepolymer to mix, and Alpha-hydroxy isobutyryl is added
Benzene and hydroxycyclohexan benzophenone compounding photoinitiator are uniformly mixed, and are then fed the mixture into flask, are stirred, while not
Disconnected that deionized water and alcohol mixed solvent is added dropwise, rate of addition control is 0.5 ~ 2mL/s, and temperature is room temperature, after completion of dropwise addition, after
3 ~ 5min of continuous stirring.
(2) step is connected, is warming up to 40 ~ 50oC adds surfactant and bactericide of iso-thiazolinone, continues to stir
5 ~ 7min is cooled to room temperature, and is added diacrylate -1,6- hexylene glycol ester aqueous monomers, is continued 3 ~ 5min of stirring, then successively
Polyether-modified dimethyl silicone polymer advection agent and phthalocyanine blue b organic pigment is added, stirs evenly, obtains UV ink solutions.
(3) the final UV ink that obtains is coated on metallic substrate surface, coating thickness is 0.1 ~ 1 mm, and being placed in temperature is
In 50-60 DEG C of baking oven, it is heat-treated 2-5 minutes, then ultraviolet light is recycled to be radiated, ultraviolet ray intensity 100-130mJ/
cm2.S, irradiation time 3 ~ 5 minutes, the final metal base product for obtaining the protection of UV cured film.
(4) when needing using metal base, the product of metal material that surface is coated with UV cured film is placed in paint stripper
In, the UV cured film occurs to be swollen and be removed in paint stripper, and the UV solidification film density after swelling is in 0.96 ~ 1.1g/cm3Model
It in enclosing, and falls to below paint stripper, by filter device, the UV ink of removing is separated off.
(5) metal base is taken out, it is adequately washed, is dried, is finally come into operation.
The UV ink maximum absorption wavelength is within the scope of 324-326nm.
The metal base is stainless steel.
Embodiment 2
The preparation method of embodiment 2 and 3 is consistent with the preparation method of embodiment, the difference is that dosage.
A kind of high stable, easily peelable efficient UV ink, the UV ink include
Compound photoinitiator: Alpha-hydroxy isobutyrophenone: hydroxycyclohexan benzophenone=3:1.6,4wt.%
Compound aqueous prepolymer: epoxy acrylate: urethane acrylate=3:2,30wt.%
Aqueous monomers: diacrylate -1,6- hexylene glycol ester, 20wt.%
Organic pigment: phthalocyanine blue b, 1wt.%
Advection agent: polyether-modified dimethyl silicone polymer, 1wt.%
Surfactant: Tween-80,0.5wt.%
Fungicide: isothiazolinone, 0.75wt.%
Organic solvent: ethyl alcohol, 27wt.%
Balance deionized water.
Embodiment 3
A kind of high stable, easily peelable efficient UV ink, it is characterised in that the UV ink includes
Compound photoinitiator: Alpha-hydroxy isobutyrophenone: hydroxycyclohexan benzophenone=3:1.7,5wt.%
Compound aqueous prepolymer: epoxy acrylate: urethane acrylate=3:2,35wt.%
Aqueous monomers: diacrylate -1,6- hexylene glycol ester, 20wt.%
Organic pigment: phthalocyanine blue b, 1wt.%
Advection agent: polyether-modified dimethyl silicone polymer, 2 wt.%
Surfactant: Tween-80,1wt.%
Fungicide: isothiazolinone, 1wt.%
Organic solvent: ethyl alcohol, 30wt.%
Balance deionized water.
Comparative example 1
UV ink includes
Compound photoinitiator: hydroxycyclohexan benzophenone, 4wt.%
Compound aqueous prepolymer: urethane acrylate, 30wt.%
Aqueous monomers: diacrylate -1,6- hexylene glycol ester, 15wt.%
Organic pigment: phthalocyanine blue b, 1wt.%
Advection agent: polyether-modified dimethyl silicone polymer, 1wt.%
Surfactant: Tween-80,0.5wt.%
Fungicide: isothiazolinone, 0.75wt.%
Organic solvent: ethyl alcohol, 25wt.%
Balance deionized water.
Comparative example 2
UV ink includes
Compound photoinitiator: hydroxycyclohexan benzophenone, 4wt.%
Compound aqueous prepolymer: urethane acrylate, 30wt.%
Aqueous monomers: diacrylate -1,6- hexylene glycol ester, 15wt.%
Organic pigment: phthalocyanine blue b, 1wt.%
Advection agent: polyether-modified dimethyl silicone polymer, 1wt.%
Surfactant: Tween-80,0.5wt.%
Balance deionized water.
Table 1
Table 1
Photoinitiator is the important component in U V ink solidification system, and the light quantum in ultraviolet light can be absorbed in it, and
It decomposes to generate and there are the reactive intermediate species for causing polymerizing power, it determines that in light radiation, can prepolymer and monomer fast
Speed becomes solid-state, i.e. crosslinking curing from liquid, is compounded by Alpha-hydroxy isobutyrophenone and hydroxycyclohexan benzophenone, both adjustment ratio
Example obtains the UV ink that curing rate is fast and has excellent performance.
Prepolymer is the film forming matter of UV ink, is the basic framework for constituting UV ink, performance itself is to ink solidification
The performance of film forming has played key effect, such as hardness, flexibility, adhesive force, the solvent resistance of ink film, there is prepolymer decision,
Such as embodiment 3 and embodiment 2, the prepolymer being made of epoxy acrylate and urethane acrylate, pencil hardness (H),
Scratch resistance (secondary), wear resistance (mg), binding force grade, buckling strength, weatherability property be significantly larger than comparative example 1 and right
The property of ratio 2, embodiment 3 is higher than embodiment 2.
Monomer directly participates in photocuring reaction in U V curing system.It is sticked since the addition of pigment normally results in ink
The increase of degree, the addition of monomer are exactly the viscosity to adjust ink.Monomer and prepolymer have collectively constituted the link stuff of ink,
Monomer all has an impact to the performance after the rheological property of ink and solidification.Monomer can either adjust the viscosity of ink, extent of polymerization,
Glossiness, the density etc. for generating polymer can be adjusted again.Pigment is the present-color material in ink, be in ink manufacturing process not
One of the raw material that can lack.It is not only acted in ink mid-term colour generation, also determines color, color saturation, the density of ink
And the weatherability and transparency of ink.Ink does not dissolve in film forming matter, does not chemically react with film forming matter, plays filling
Effect, the present invention is by repeatedly selection, it is believed that no matter organic pigment phthalocyanine indigo plant B is preferred from cost, vision, effect.It is flat
Stream agent prevents shrinkage cavity from generating, makes ink film surfacing for improving the advection of ink layer.Fungicide is mainly used for improving UV guarantor
The stability for protecting ink is dissolved in since UV ink usually stores under dark condition and generates mould and timeliness, therefore using mould proof
The preferable isothiazolinone of effect is as fungicide, and the fungicide can also enter in paint stripper during depainting, also can be right
The stability of paint stripper is improved effect, and the ratio of each ingredient is compounding main solvent benzyl alcohol and N- first in the paint stripper
Base -2-Pyrrolidone content is 20wt.%, and mass ratio 4:1, the content of the cosolvent acetone is 6wt.%；The promotion
The content of agent acetic acid is 4wt.%, the content of the emulsifier op-10 is 1.5wt.%, the content of the corrosion inhibiter thiocarbamide is
0.75wt.%, the bactericide of iso-thiazolinone content be 0.4wt.%, surplus be 3.5:1 second alcohol and water mixed liquor, take off
Paint relative density d=0.80 ~ 0.95g/mL of agent.
Specific embodiments of the present invention are described in detail above, but it is merely an example, the present invention is simultaneously unlimited
It is formed on particular embodiments described above.To those skilled in the art, any couple of present invention carries out equivalent modifications and
Substitution is also all among scope of the invention.Therefore, without departing from the spirit and scope of the invention made by equal transformation and
Modification, all should be contained within the scope of the invention.
Claims (9)
1. a kind of high stable, easily peelable efficient UV ink, it is characterised in that the UV ink includes compounding photoinitiator, compounding
Aqueous prepolymer, aqueous monomers, organic pigment, advection agent, surfactant, fungicide, organic solvent and deionized water, institute
State normal temperature storage stability >=1 year of UV ink, and the UV ink via radiation after, form UV solidification in metallic substrate surface
Film, UV cured film is with a thickness of 0.1 ~ 1 mm, and when the UV cured film is swollen in paint stripper, the UV after the swelling is solid
Change film density in 0.96 ~ 1.1g/cm3In range, it is easy to filter device separation.
2. a kind of high stable as described in claim 1, easily peelable efficient UV ink, it is characterised in that the compounding is light-initiated
Agent content is 3 ~ 5wt.%, is made of Alpha-hydroxy isobutyrophenone and hydroxycyclohexan benzophenone, and mass ratio is 3:(1.5 ~ 1.7).
3. a kind of high stable as described in claim 1 ~ 2, easily peelable efficient UV ink, it is characterised in that the compounding is aqueous
Prepolymer content is 25 ~ 35wt.%, is made of epoxy acrylate and urethane acrylate, mass ratio 3:2.
4. a kind of high stable as described in claim 1 ~ 3, easily peelable efficient UV ink, it is characterised in that the aqueous monomers
Content is 15 ~ 20wt.%, is diacrylate -1,6- hexylene glycol ester.
5. a kind of high stable as described in claim 1, easily peelable efficient UV ink, it is characterised in that the organic solvent contains
Amount is 25 ~ 30wt.%；0.1 ~ 2wt.% of organic pigment, advection agent: 0.1 ~ 2wt.%, surfactant: 0.1 ~ 1wt.%, fungicide:
0.5~1wt.%。
6. a kind of high stable as described in claim 1, easily peelable efficient UV ink, it is characterised in that the organic solvent is
Ethyl alcohol, the organic pigment are phthalocyanine blue b, and the advection agent is polyether-modified dimethyl silicone polymer, the surfactant
For one of glycerin monostearate, sucrose ester, fatty acid sorbitan and polysorbate or a variety of, the fungicide is different thiophene
Oxazoline ketone.
7. the preparation method of a kind of high stable, easily peelable efficient UV ink as described in claim 1 ~ 6, it is characterised in that packet
It includes following steps: (1) epoxy acrylate and urethane acrylate being compounded into aqueous prepolymer and mixed, and Alpha-hydroxy is added
Isobutyrophenone and hydroxycyclohexan benzophenone compounding photoinitiator are uniformly mixed, and are then fed the mixture into flask, are stirred,
Deionized water and alcohol mixed solvent are constantly added dropwise simultaneously, rate of addition control is 0.5 ~ 2mL/s, and temperature is room temperature, and knot is added dropwise
Shu Hou continues 3 ~ 5min of stirring；
(2) step is connected, is warming up to 40 ~ 50oC adds surfactant and bactericide of iso-thiazolinone, continue stirring 5 ~
7min is cooled to room temperature, and is added diacrylate -1,6- hexylene glycol ester aqueous monomers, is continued 3 ~ 5min of stirring, is then successively added
Enter polyether-modified dimethyl silicone polymer advection agent and phthalocyanine blue b organic pigment, stirs evenly, obtain in UV ink containing 3 ~
5wt.% compound photoinitiator, 25 ~ 35wt.% compounding prepolymer, 15 ~ 20wt.% monomer, 0.1 ~ 2wt.% organic pigment, 0.1 ~
2wt.% advection agent, 0.1 ~ 1wt.% surfactant, 0.5 ~ 1wt.% fungicide, 25 ~ 30wt.% ethyl alcohol organic solvent and go from
Sub- water；
(3) the UV ink finally obtained is coated on metallic substrate surface, coating thickness is 0.1 ~ 1 mm, and being placed in temperature is
In 50-60 DEG C of baking oven, it is heat-treated 2-5 minutes, then ultraviolet light is recycled to be radiated, ultraviolet ray intensity 100-130mJ/
cm2.S, irradiation time 3 ~ 5 minutes, the final metal base product for obtaining the protection of UV cured film；
(4) when needing using metal base, the product of metal material that surface is coated with UV cured film is placed in paint stripper, institute
It states UV cured film to occur to be swollen in paint stripper and remove, the UV solidification film density after swelling is in 0.96 ~ 1.1g/cm3In range,
And fall to below paint stripper, by filter device, the UV ink of removing is separated off；
(5) metal base is taken out, it is adequately washed, is dried, is finally come into operation.
8. the preparation method of a kind of high stable as claimed in claim 7, easily peelable efficient UV ink, it is characterised in that described
The maximum absorption wavelength of UV ink is within the scope of 324-326nm.
9. the preparation method of a kind of high stable as claimed in claim 7, easily peelable efficient UV ink, it is characterised in that described
Metal base is one of stainless steel, aluminium-alloy pipe, titanium alloy tube or magnesium alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811064733.6A CN108997827B (en) | 2018-09-12 | 2018-09-12 | Preparation method of UV (ultraviolet) ink |
Applications Claiming Priority (1)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110385248A (en) * | 2019-07-25 | 2019-10-29 | 天长市京发铝业有限公司 | A kind of no sulphur oxidation technology |
| CN116254046A (en) * | 2023-03-09 | 2023-06-13 | 刘彬 | UV (ultraviolet) coating |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104817879A (en) * | 2015-04-09 | 2015-08-05 | 深圳万佳原精化科技股份有限公司 | Ultraviolet curing full-shielding protection printing ink |
| CN107353701A (en) * | 2017-08-26 | 2017-11-17 | 无锡市恒利弘实业有限公司 | It is a kind of corrosion-free without scuffing metal paint remover and its preparation method and application |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104817879A (en) * | 2015-04-09 | 2015-08-05 | 深圳万佳原精化科技股份有限公司 | Ultraviolet curing full-shielding protection printing ink |
| CN107353701A (en) * | 2017-08-26 | 2017-11-17 | 无锡市恒利弘实业有限公司 | It is a kind of corrosion-free without scuffing metal paint remover and its preparation method and application |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110385248A (en) * | 2019-07-25 | 2019-10-29 | 天长市京发铝业有限公司 | A kind of no sulphur oxidation technology |
| CN116254046A (en) * | 2023-03-09 | 2023-06-13 | 刘彬 | UV (ultraviolet) coating |
| CN116254046B (en) * | 2023-03-09 | 2024-05-10 | 金万正(广东)新材料有限公司 | UV (ultraviolet) coating |
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| CN108997827B (en) | 2022-09-09 |
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