A kind of high clear colorful three-dimensional touch Colour decorative plate and its manufacture method
Technical field
The invention belongs to the colored colored steel of appliance shell, house, the building materials and ornaments manufacturing technology of colored colored steel
Field, and in particular to one kind possesses high clear colorful three-dimensional touch Colour decorative plate and its manufacture method.
Background technology
Existing multicolored ornamental colored steel is typically produced using the technique of steel roller printing or thermal transfer, and steel roller printing includes
Silk-screen printing and intaglio plate hectographic printing.Steel roller printing technique can only realize the preparation of simple pattern on colored steel;And thermal transfer skill
Art is imaged by the way that the transfer paper thermal transfer equipment for printing good pattern is transferred pattern in surface of steel plate pet layer, although
The printing of multicolour pattern can be accomplished, but its precision is relatively low, surface orange peel phenomenon easily occurs;Therefore two methods can not
High clear colorful pattern is realized in surface of steel plate.
It is general that color film is pasted by the way of rubber roll transfer or on colored steel for hardness colored steel surface higher.The glue
Roller ink in transfer process is susceptible to adhesion, diffusion makes pattern distortion, it is impossible to realize possessing the hyperfine figure of three-dimensional touch
The printing of case (striped within 50 μm);And the adhesive force and ageing-resistant performance, resistance to chemical reagents etc. of offset printing layer are poor,
Protectiveness clear water coating need to be manufactured on surface, so the product appearance for obtaining generally smooth flat, it is impossible to accomplish stereoeffect.
In addition, the preparation method that color film is pasted on colored steel is that PET+ patterns+PVC coloured silk films are covered on substrate using special glue
Lamination is formed, although can realize the preparation of polychrome fine pattern Colour decorative plate, but there is also technical disadvantages:One is color film
Usually obtained by PET+ figure layers+PVC is laminating, so the adhesive force between film layer has certain risk, color film used is general
Import is needed, it is relatively costly;Two is the PVC material included in product, has pollution to environment during waste treatment, belongs to non-environmental protection material
Material;Three is that surface pet layer is smooth flat, it is impossible to accomplish third dimension.
The content of the invention
The invention provides a kind of high clear colorful three-dimensional touch Colour decorative plate and its manufacture method, by ink formulations
Optimization, realizes the method using the direct print pattern on a metal plate of printing device.
To achieve these goals, the present invention is achieved using following technical proposals, a kind of high clear colorful three-dimensional touch
Colour decorative plate, including metallic plate basic unit, preprocessing layer, prime coat, printable layer and the protection film layer being sequentially connected from top to bottom;Institute
The formula for stating the ink of printable layer use includes:Resin monomer 26-70 parts, prepolymer 10-70 parts, nano-level pigment 1-15 parts,
1-30 parts of wax class wetting agent, is weight portion by light trigger 1-15 parts;The resin monomer is polyester acrylate, epoxy third
At least one of olefin(e) acid ester or the poly- methyl oxirane diacrylate of neopentyl glycol.
In order to further improve attachment force intensity, chemical resistance and the processing characteristics of printable layer ink, the polyester
Acrylate, epoxy acrylate and the poly- methyl oxirane diacrylate of neopentyl glycol are used simultaneously, and three's mass ratio is
1-2.1:0.3-0.6:0.25-0.5。
In order to improve the fineness of printing, the prime coat included using the formula of priming paint:Base resin 25-75 parts,
Assisted resin 1-15 parts, pigment 0-40 parts, auxiliary agent 2-10 parts, solvent 7-72 parts, it is weight portion;The base resin is propylene
Acid resin, acrylic resin, alkyd resin, polyalkide resin, silicon-modified polyester resin, polyester resin, modified polyester resin or
At least one of fluororesin;The auxiliary polyester is melmac or polyurethane resin.
In order to improve the surface soundness and extensibility of priming paint, the adhesiveness of priming paint and metallic plate, the basic tree are improved
Fat uses acrylic resin, the auxiliary polyester to use melmac, and the two mass ratio is 4-5:1.
Further, the thickness of the prime coat is 8 μm -25 μm.
Further, the metallic plate basic unit be galvanizing aluminum silicon alloy plate, electrogalvanizing metallic plate, galvanizing metallic plate,
Copper coin, aluminium sheet or stainless steel plate.
In order to ensure that diaphragm can easily tear when final products are used, cull is not stayed, the protection film layer is PE
Film, viscosity is 5-230kgf/30mm, and thickness is 9-50 μm.
Present invention also offers the preparation method of described Colour decorative plate, step is:1) by metallic plate basic unit by first
Degreasing process, washing, subsequently into the second degreasing process, washing;Then preprocessing layer is formed on surface by passivation procedure;So
Afterwards in upper surface primer coating, in lower surface coating back of the body paint, into oven for drying;2) the picture input computer of printing will be needed soft
Part system, scale material is put on printer and is positioned, and carrying out ink inkjet printing in the upper surface of prime coat forms printable layer, together
When solidified using uviol lamp;3) upper surface of printable layer after hardening attaches diaphragm, forms the Colour decorative plate.
Further, the shower nozzle maximum pneumatics of the printer is no more than 120psi, and environment temperature is 18-30 DEG C;Humidity
It is 30%-70%, thickness of dry film of printable layer is 6-8 μm;Print speed is 4-33m2/h。
Further, it is described it is ultraviolet light curing during UV energy density be 300-2500Mj/cm2。
Compared with prior art, advantages and positive effects of the present invention are:Present invention optimizes ink formulations, the ink
Elongation percentage can reach more than 1000%, meet household electrical appliances metal plate deep processing treatment, can be by the ink print in hard material
On material, it is achieved thereby that using the method for the direct print pattern on a metal plate of printing device.The ink has higher resistance to
Ageing properties, resistance to chemical reagents and adhesive force;Outermost layer can be directly exposed at, protection is increased in the outer surface of printable layer so as to avoid
The coating of property.Other ink used in the present invention is photo-curing type, it is possible to use uviol lamp is consolidated to the ink
Change, hardening time only needs 1-5s, printing can complete drying simultaneously, and curing efficiency is far above heat cure mode, floor space
It is few, low cost, more energy-saving and emission-reduction.Colour decorative plate prepared by the present invention can realize the preparation of phase chip level pattern, moreover it is possible to make figure
Case possesses three-dimensional touch.
Brief description of the drawings
The high clear colorful three-dimensional touch Colour decorative plate structural representation of Fig. 1 the present embodiment;
Marked in figure:Metallic plate basic unit 100, preprocessing layer 110, back of the body enamelled coating 120, prime coat 130, printable layer 140, protection
Film layer 150.
Specific embodiment
Technical scheme is described in further detail with reference to specific embodiment.The present invention is previously mentioned
Ratio, " part ", if without particularly marking, be defined by quality.
The present embodiment proposes the height that a kind of use ink obtains possessing three-dimensional touch in the direct spray printed of substrate surface
The colored steel of clear pattern decorative, metallic plate basic unit 100 that the Colour decorative plate includes being sequentially connected from top to bottom, preprocessing layer 110,
Prime coat 130, printable layer 140 and protection film layer 150.
The ink that the printable layer is used is light curable type ink, and formula includes:Resin monomer 26-70 parts, prepolymer 10-
70 parts, nano-level pigment 1-15 parts, 1-30 parts of wax class wetting agent, is weight portion by light trigger 1-15 parts;The resin monomer
It is at least one of polyester acrylate, epoxy acrylate or the poly- methyl oxirane diacrylate of neopentyl glycol.
The present embodiment optimizes the consumption of resin monomer, when resin monomer content is less than 26%, the curing rate of ink
Slowly, dilution effect is too high, and printable layer adhesive force is low;When resin monomer content is more than 70%, the curing rate of ink is too fast, dilute
Release effect too low, excessive high hardness, processing characteristics is low.The content of further preferred acrylate monomer is 50%-60%, dilution
Effect is good, and processing characteristics is preferably also.
As preferred embodiment, polyester acrylate, epoxy acrylate and neopentyl glycol gather in the resin monomer
Methyl oxirane diacrylate is used simultaneously, and the mass ratio of three is 1-2.1:0.3-0.6:0.25-0.5.When three is same
When using, its attachment force intensity, chemical resistance and processing characteristics reach most preferably.Wherein polyester acrylate has extremely low
The adhesive force of viscosity, good pliability and painting interlayer is protruded, curing rate is fast and smooth retention is good, while the wetting with pigment
Property is outstanding;The chemical-resistance and pliability of epoxy acrylate are superior, curing rate is fast, adhesive force is strong, viscosity is higher, can be with
Polyester acrylic mixes to adjust viscosity;The poly- methyl oxirane diacrylate of neopentyl glycol has and acrylate identical
Property and shrinkage is smaller, pliability and adhesive force is stronger, curing reaction is good.Three kinds of acrylate monomers are according to special ratios
The adhesive force between ink and steel plate can be improved after mixing, and elongation percentage can reach 1000%, meet the panel beating of steel plate.
The wax class lubricant uses hexadecanol polar waxes or octadecyl alcolol polar waxes, for improving the rheological characteristic of ink, resisting
Aqueous and printing performance (as adjusted viscosity), reduces the disadvantages such as set-off, paper-pulling hair, and ink film surface that can be after the drying forms one
The smooth cere of layer, improves wearability of printed matter etc..In UV ink, wax class lubricant also plays obstruct air, reduces oxidation
Effect, is conducive to surface cure.But the kind of excessive wax or the wrong wax of choosing is added in ink, the gloss of ink can be reduced, broken
Bad oil ink transfer performance, extends drying time.
The prepolymer is polyurethane acroleic acid prepolymer, can be in diisocyanate compound, polyalcohol and glycol
Manufactured by copolymer acrylate on compound.Each polyurethane acroleic acid prepolymer can be carried out with 7-50 polyurethane
With reference to, raising printable layer adhesive force and hardness, and the viscosity of ink can be adjusted.If polyurethane acroleic acid prepolymer content
Less than 10%, then because coating hardness is too strong, it is difficult to meet processing characteristics, adhesive force can decline;And if it exceeds 70%, then because applying
Layer intensity is too soft, and elongation percentage is too high, it is impossible to meet case hardness requirement.The light trigger can be benzaldehyde, anthraquinone, hexichol
At least one of ketone.
The present embodiment optimizes the formula of the ink that printable layer is used first, and the elongation percentage of the ink can reach
More than 1000%, meet deep-draw level panel beating requirement, can be by the ink print on hard material, it is achieved thereby that making
With the method for the direct print pattern on a metal plate of printing device.The ink has ageing-resistant performance higher, resistance to chemical reagents
And adhesive force;Outermost layer can be directly exposed at, the coating of protectiveness is increased in the outer surface of printable layer so as to avoid.In addition can be with
The ink is solidified using uviol lamp, hardening time only needs 1-5s, printing can complete drying simultaneously.And the oil
Ink has nontoxic pollution-free, the advantage of energy-conserving and environment-protective, solves the problems of prior art presence.
The preparation method of the high clear colorful three-dimensional touch Colour decorative plate of the present embodiment, specially
Step 1) by metallic plate basic unit 100 by the first degreasing process, washing, subsequently into the second degreasing process, washing;
Then preprocessing layer 110 is formed on surface by passivation procedure;Then in upper surface primer coating, in lower surface coating back of the body paint,
Into oven for drying, drying temperature is 200 DEG C -250 DEG C, and the time is 30-60s;Formation thickness is between 8 μm -25 μm after solidification
Back of the body enamelled coating 120 at 5-7 μm of prime coat 130 and thickness.
The metallic plate basic unit 100 can be the one kind in metal raw sheet or applying metal plate, such as hot dip zinc-aluminum-silicon alloy
Plate, electrogalvanizing metallic plate, galvanizing metallic plate, copper coin, aluminium sheet, stainless steel plate, but it is not limited to these.
The degreasing is to remove the greasy dirt of metal sheet surface, organic pollution etc..First degreasing process is by metallic plate
Greasy dirt, the organic pollution on surface etc. are washed, and the second degreasing process removes the residue of first time cleaning, improves surface whole
Cleanliness.
The preprocessing layer 110 is to be passivated treatment, and one layer of chemical treatment is formed in metal sheet surface using passivator
Layer, thickness is 2-3 μm, plays a part of to prevent corrosion of metal sheet, increases priming paint and back of the body paint adhesive force.The passivator can be
Known chromium-free passivation liquid, trivalent chromium deactivating liquid or chromatedsolution, preferred passivator are chromium-free passivation liquid.-
The coating method of the primer coating layer 130 and back of the body enamelled coating 120 can be roller coat, roller coating, spraying and intaglio plate coating
One kind in mode.In order to be adapted to the tinuous production of coiled material steel plate, preferred coating method uses roll coating model.The roller coat
Mode be provided with storing paint hopper, from groove by coating extract carry material roller and from carry material roller by coating be transferred to by
The applicator roll being coated with coat.Coating can be preferably transferred to from material roller is carried increase by between material roller and applicator roll is proposed
The transferring roller of applicator roll.In addition to making the coating by plural roller coat cloth more uniform, material roller and applicator roll can carried
Upper each outfit scraper.
The prime coat included using the formula of priming paint:Base resin 25-75 parts, assisted resin 1-15 parts, pigment 0-
40 parts, auxiliary agent 2-10 parts, solvent 7-72 parts.The base resin is acrylic resin, acrylic resin, alkyd resin, polyalcohols
At least one of acid resin, silicon-modified polyester resin, polyester resin, modified polyester resin or fluororesin.When containing for base resin
When amount is less than 25 parts, cause adhesive force step-down between preprocessing layer 110 and printable layer 140, it is difficult to the extensibility of ink be presented, inhales
Attached property and the fineness of printing;When content is more than 75 parts then, the elongation percentage of prime coat is caused to be decreased below 120%, influence
The hardening time of printable layer 140, it is impossible to meet panel beating requirement.
The auxiliary polyester is melmac or polyurethane resin;Consumption can provide coating surface and add when being less than 1 part
Work is good, but can reduce its hardness;Heat cure yellowing phenomenon can then occur during higher than 15 parts.
The base resin is used cooperatively with assisted resin, and prime coat 130 can constitute the light-curable ink of printable layer 140
Thing is easily adsorbed, and can improve metallic plate and printing ply adhesion, improves sheet fabrication performance, makes pattern in panel beating
During occur without and come off, show fineness pattern high;Corrosion-resistant, the resistance to chemical reagents energy of metallic plate can be also improved simultaneously.
Acrylic resin and the combination containing butoxy melmac are preferably used, mass ratio is 4-5:1, the two cooperation
Using the surface soundness and extensibility that can improve priming paint, the adhesiveness of priming paint and metallic plate is improved, therefore, it can further
Improve the ageing-resistant performance and resistance to chemical reagents of priming paint;And have between resin monomer in light curable type ink excellent compatible
Property.
The pigment can be added according to color demand, but extensibility, the adsorptivity of printable layer can be reduced during more than 40 parts
And appearance.The auxiliary agent can be defoamer, delustering agent, dye leveller etc., for improving the texture color of priming paint, transparent
Degree, surface demand etc..
The thickness of dry film of the prime coat 130 is 8-25 μm, and preferred thickness of dry film is 12-20 μm, if being less than 8 μm,
Its protectiveness to substrate can be reduced;Adhesive force, ageing-resistant performance, resistance to chemical reagents are poor, and reduce the adhesiveness with printable layer
And adsorptivity;And if it exceeds 25 μm, then surface smoothness can be influenceed, increase material and engineering wear and tear expense.
The back of the body paint can be the coating with acrylic resin as host, and it is ageing-resistant to provide outstanding antirust to substrate steel sheet
Performance.
Step 2) picture of printing will be needed to be input to computer software system with linking of devices, by step 1) in it is coated
Lacquered board size decides into scale material as needed, by scale material be put on digital-code printer position, in the upper table of prime coat
Face carries out ink inkjet printing and forms printable layer, while being solidified using uviol lamp, improves the production efficiency of product.
Above-mentioned printer head maximum pneumatics is no more than 120psi, and environment temperature is 18 DEG C -30 DEG C;Humidity is 30%-
70%, thickness of dry film of printable layer is 6-8 μm.It is 4-33m according to its accuracy modes print speed2/h.Print speed is faster
It is higher to UV energy requirement.
The photocuring is ultraviolet (UV) curing mode, is using the photonasty of light trigger, in ultraviolet illumination
Light-initiated formation excited ecological molecule is penetrated down, free radical or ion is resolved into, unsaturated compoundses is polymerized, connect skill,
The chemical reaction such as crosslinking reaches the purpose of solidification.The ultraviolet light curing fluorescent tube can be Halogen lamp LED or mercury lamp, photocuring mistake
UV energy density in journey is directly proportional to print speed, and the energy of the faster needs of speed is higher;It is suitable in the present embodiment
Energy density is 300-2500Mj/cm2;Less than 300Mj/cm2When printable layer solidification it is incomplete, it is viscous to be susceptible to printable layer, takes off
Fall, the defect such as pollution;Higher than 2500Mj/cm2When printable layer solidification it is superfluous, surface jaundice.Preferred UV energy density is
1000-2000Mj/cm2。
The surface fineness of the Colour decorative plate reaches 600-1440dpi, is printed under the conditions of high-fineness, picture texture
Clearly, the abundant exquisiteness of picture, stays flat effect good, but throughput rate is slower;Printed under the conditions of low fineness, printing effect is high,
But picture relative articulation is low, surface smooth retention is relatively low, and can reduce third dimension.Three-dimensional touch is entered according to pattern file
Row has the printing of difference in thickness, also is understood as partial printing.Difference of height can be widened by duplicate printing, if finely spent
It is low, the excessive generation adhesion of ink dot can be caused, reduce concave-convex sense.
Step 3) upper surface of printable layer after hardening attaches diaphragm, forms the Colour decorative plate, the diaphragm
Layer is PE films, and in 5-230kgf/30mm, thickness is 9-50 μm to viscosity.The diaphragm can be light when final products are used
Tear, do not stay cull.
The present embodiment realizes and the high definition pattern of phase chip level is printed upon on steel plate, keeps its fineness, is touched with solid
Sense, solves that silk-screen printing, color mould print and intaglio plate transfer technique etc. are all irrealizable to possess superfine pattern while having
The problem of concavo-convex contact Ganfeng richness pattern.Because ink has ageing-resistant performance, resistance to chemical reagents and adhesive force, without in printing layer table
Protective coating is done again in face.Required pattern need to be only imported into computer system using the method for the present embodiment, so that it may
To print finished goods, therefore the production product that 1 pair 1 can be carried out according to customer requirement without increasing cost.
Embodiment 1-5
A kind of high clear colorful three-dimensional touch Colour decorative plate, including metallic plate basic unit 100, the preceding place being sequentially connected from top to bottom
Reason layer 110, prime coat 130, printable layer 140 and protection film layer 150.The formula such as table 1 of the ink that the printable layer is used, it is described
Resin monomer can be polyester acrylate (A), epoxy acrylate (B) or the poly- methyl oxirane diacrylate of neopentyl glycol
At least one of ester (C);The prepolymer is polyurethane acroleic acid prepolymer;The light trigger is benzaldehyde;The lubrication
Agent is hexadecanol polar waxes.Performance test is carried out to ink formulations in embodiment 1-5, as a result such as table 2.
The ink formulations that the embodiment 1-5 of table 1 is used
The performance test results of ink formulations in the embodiment 1-5 of table 2
|
Example 1 |
Example 2 |
Example 3 |
Example 4 |
Example 5 |
Comparative example 1 |
Comparative example 2 |
Bending property |
○ |
◎ |
◎ |
◎ |
◎ |
○ |
X |
Photocuring effect |
○ |
◎ |
◎ |
◎ |
◎ |
○ |
◎ |
Ageing-resistant performance |
◎ |
◎ |
◎ |
◎ |
◎ |
△ |
○ |
Resistance to chemical reagents |
◎ |
◎ |
◎ |
◎ |
◎ |
X |
△ |
Adhesive force |
○ |
◎ |
◎ |
◎ |
○ |
X |
X |
Relative evaluation benchmark:◎ is outstanding, and zero is good, and △ is common, and X is bad
The properties of product method of testing and standard of the present embodiment are as follows:
1) bending property
Dimension width of materialsing is not less than 100mm, and length is about the twice of width, sample should it is smooth, without greasy dirt, lossless
Wound, impulse- free robustness.About 10mm in one section of insertion testing machine of sample, sample is compressed, rotate handle and sample is bent at an acute angle, coloured silk
Film layer is located at curved outside.Sample insertion press is then taken out, the crooked position of sample is compressed, as " 0T " bending, examination
Sample continues to do 180 ° of bendings around " 0T " bending section, and folded center has a sample thickness then for " 1T " bends, tests successively
Bent to " 2T ", " 3T ".Visual inspection curved outside, bending part surface should without fragmentation or discoloration, the phenomenon such as come off.
Determinating reference:≤ 2T is " outstanding " without fragmentation or discoloration, obscission;3T is without fragmentation or discoloration, obscission
" good ";It is " bad " that 3T has fragmentation or discoloration, obscission.
2) photocuring effect
Product surface pastes 3M-600 adhesive tapes, is rolled with the external force of 1kg, adhesive tape is sticked completely with UV surfaces.It is positioned over
1h in 80 DEG C of insulating boxs, after taking out room temperature 10min, implements to peel off suddenly to adhesive tape, observes product surface.
Determinating reference:It is " outstanding " peel off unstripped;Peel off and peeled off as " good " less than 1/5;Peeled off
Peeled off less than 2/5 is " general ";Stripping has that to stick up pin more than 2/5 (containing) or come off be " bad ".
3) resistance to chemical reagents
Under room temperature environment, 5%H will be respectively immersed after cut sealing2SO424h, acetone in solution, 5%NaOH solution
CH3COCH3, ethanol CH3CH21h in OH solution, takes out after rinsing, and checks film surface state.
Determinating reference:It is " outstanding " that surface is not any change;Surface color is changed, and is placed and is recovered primary colors " in 1h
As ";;Surface is turned to be yellow or is corroded, and does not recover " bad ".
4) ageing-resistant performance
12h will be irradiated with 90W ultraviolet spacing 300mm after printing steel plate removal diaphragm, then with do not irradiate sample and do
Compare.
Determinating reference:It is " outstanding " that surface is not any change;Surface color is changed, and is placed and is recovered primary colors " in 1h
As ";;Surface is turned to be yellow or is corroded, and does not recover " bad ".
5) adhesive force
The groined type shape that color film steel plate sample (size is not less than 75mm × 200mm) film layer face cuts into 1mm (is drawn into permeable membrane
Layer is to base material), sample is put into cupping testing machine, plastic foil is faced out, and " well " word center is aligned with punching press center, by GB/
T9753 is slow to stretch 8mm length by sample, and the change of sample high spot film layer is checked after taking-up;Then force to peel off 1mm width
Film, viewing film peel distance,
Determinating reference:It is " outstanding " to carry out forcing to peel off unstripped;Naturally peel off without sticking up pin or coming off, force stripping to be less than
1/5 peels off as " good ";Naturally peel off without sticking up pin or coming off, it is " general " to force stripping to be peeled off less than 2/5;Naturally peeling off has de-
Fall is " bad ".
6) printing precision
Visual comparison's artwork observes pattern definition.
Determinating reference:It is " outstanding " without broken string, sawtooth, burr that svelteness is continuous after printing;After printing lines without broken string,
Sawtooth, burr etc., it is " general " that lines have shade;Sawtooth, burr are evident as " bad " after printing.
Can draw to draw a conclusion as carried out test to ink prepared by embodiment 1-5 and comparative example 1 and 2 in table 2:1) when
During resin monomer 26-70%, ink can be printed, and be less than 26% and printing effect is poor during more than 70%;2) propylene is worked as
During acid ester monomer 50-60%, printing effect is more preferable;3) when simultaneously three kinds of resin monomers are used, and mass ratio 1-2.1 is met:
0.3-0.6:During 0.25-0.5, printing effect is more preferable.
Embodiment 6-10
A kind of high clear colorful three-dimensional touch Colour decorative plate, including the back of the body enamelled coating 120, preprocessing layer being sequentially connected from top to bottom
110th, metallic plate basic unit 100, preprocessing layer 110, prime coat 130, printable layer 140 and protection film layer 150.The printable layer is used
Ink formula such as example 3, the formula of the prime coat is acrylic resin 40%, butoxy melmac 8%, face
Material 30%, auxiliary agent 5%, solvent 17% is weight percentage.Printer is in print speed 4-33m2Under/h, to different ultraviolet lights
Energy density condition carries out performance test, as a result such as table 3.
The performance test results under different UV energy density and print speed in the embodiment 6-10 of table 3
Relative evaluation benchmark:◎ is outstanding, and zero is good, and △ is common, and X is bad
Carrying out test to embodiment 6-10 and comparative example 3,4 can draw to draw a conclusion:, 1) and it is ultraviolet in Light Curing
Optical energy density is in 300-2500Mj/cm2When can solidify;Less than 300Mj/cm2When solidification it is incomplete, ink performance cannot expire
Foot is required;Higher than 2500Mj/cm2When can cause over-curing, reduce ink pliability, can also reduce the use longevity of uviol lamp
Life;2) solidification effect of ink is influenceed by print speed, and the energy needed for print speed is faster is then higher;3) when preferred purple
Printing effect is more preferable when outer optical energy density is 1000-2000Mj/cm2.
Embodiment 11-12
A kind of high clear colorful three-dimensional touch Colour decorative plate, including the back of the body enamelled coating 120, preprocessing layer being sequentially connected from top to bottom
110th, metallic plate basic unit 100, preprocessing layer 110, prime coat 130, printable layer 140 and protection film layer 150.The printable layer is used
The formula of ink and the formula of prime coat with embodiment 6-10, to mercury lamp (example 11), Halogen lamp LED (example 12), LED
(comparative example 5) light source is tested under the conditions of identical energy and print speed, as a result such as table 4.
Ink formulations solidify test result under different lamp sources in the example 11 and 12 of table 4
Relative evaluation benchmark:◎ is outstanding, and zero is good, and △ is common, and X is bad
As shown in Table 4, mercury lamp can be realized the ink solidification of the present embodiment with Halogen lamp LED, wherein consolidate during mercury lamp with being used
It is best to change effect, elongation percentage and adhesive force;And when using LED in comparative example 5, photocuring effect, adhesive force are poor, no
Can use.
Above example is only several in several preferred embodiment of the invention, it is noted that the invention is not restricted to
Above-described embodiment;For the person of ordinary skill of the art, still can be to the technical scheme described in previous embodiment
Modify, or equivalent is carried out to which part technical characteristic;And these modifications or replacement, do not make relevant art side
The essence of case departs from the spirit and scope of claimed technical solution of the invention.