CN110349492A - A kind of preparation method of antifalsification label and antifalsification label - Google Patents
A kind of preparation method of antifalsification label and antifalsification label Download PDFInfo
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- CN110349492A CN110349492A CN201910663895.XA CN201910663895A CN110349492A CN 110349492 A CN110349492 A CN 110349492A CN 201910663895 A CN201910663895 A CN 201910663895A CN 110349492 A CN110349492 A CN 110349492A
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- ink
- antifalsification label
- diffusion
- layer
- diffusion coating
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- MQDJYUACMFCOFT-UHFFFAOYSA-N bis[2-(1-hydroxycyclohexyl)phenyl]methanone Chemical compound C=1C=CC=C(C(=O)C=2C(=CC=CC=2)C2(O)CCCCC2)C=1C1(O)CCCCC1 MQDJYUACMFCOFT-UHFFFAOYSA-N 0.000 description 2
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- MFYFNUKUXIRYFV-JSGCOSHPSA-N Polygonone Natural products O=CC=1C(=O)C[C@H]2C(C)(C)CCC[C@@]2(C)C=1 MFYFNUKUXIRYFV-JSGCOSHPSA-N 0.000 description 1
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Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
- G09F3/0294—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time where the change is not permanent, e.g. labels only readable under a special light, temperature indicating labels and the like
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F2003/0257—Multilayer
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Printing Methods (AREA)
Abstract
The present invention relates to the preparation methods of printing technology more particularly to a kind of antifalsification label and antifalsification label.The purpose of the present invention is to provide the preparation methods of a kind of antifalsification label and antifalsification label, wherein antifalsification label includes the substrate with multiple and different patterns, diffusion layer, the ink layer with random picture and text, diffusion layer is located on the substrate, and ink layer is located on diffusion layer.The antifalsification label has 3 D stereo, irreproducible characteristic, enhances anti-counterfeiting performance, improves the uniqueness of antifalsification label.
Description
Technical field
The present invention relates to the preparation methods of printing technology more particularly to a kind of antifalsification label and antifalsification label.
Background technique
With the development of national economy and technology, anti-counterfeiting technology is from traditional bank, customs, the tax, finance, public security
The use occasion of the passport of equal departments' production, certificate, currency, ticket and marketable securities be increasingly turned to it is civilian, and in tobacco and wine, food
The fields such as product, drug, health care product, cosmetics, clothes, CD and agriculture chemical, auto parts and components, daily necessities, which have, widely answers
Use potentiality.Antifalsification label is one and is related to optics, chemistry, physics, electromagnetism, computer technology, spectral technique, digital gravure
The cross discipline technology of the numerous areas such as technology, packaging gravure techniques.Anti-counterfeiting technology is varied, such as laser holography, water
Print technology, code technology, digital coding, bar code, two dimensional code and can not take off from the characteristics of.Existing structural anti false technology,
It is usually anti-fake by pasting laser film progress to structure.But the pattern of laser film and lines there may be similar situation,
Different structures may be pasted with identical laser film, reduce anti-fake intensity.
Summary of the invention
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide the systems of a kind of antifalsification label and antifalsification label
Preparation Method enhances anti-counterfeiting performance, improves the uniqueness of antifalsification label with 3 D stereo, irreproducible characteristic.
The purpose of the present invention adopts the following technical scheme that realization:
The present invention provides a kind of antifalsification label, including with multiple and different patterns substrate, diffusion layer, have random picture and text
Ink layer, the diffusion layer be located on the substrate, the ink layer is located on the diffusion layer.
Preferably, the substrate is radium-shine paper jam.
The present invention provides also a kind of preparation method of antifalsification label, comprising the following steps: multiple and different in printing on substrates
Pattern；In the transparent diffusion coating of printing on substrates with the pattern；Ink, shape after solidification are printed on the diffusion coating
At the ink layer with random contraction picture and text.
Preferably, the substrate is radium-shine paper jam, and the pattern is by hectographic printing on the radium-shine paper jam.
Preferably, the diffusion coating includes UV gloss oil and diffusant, wherein the weight accounting of the diffusant is described
The 0.5%~2% of diffusion coating weight.
Preferably, the ink includes diffusant, foaming agent, crackle agent, curing agent, wherein the diffusant, the hair
Infusion, the crackle agent total amount of adding be the 2%~5% of the ink by weight, and the diffusant, the foaming
The total amount of adding of agent and the crackle agent is less than or equal to the 5%~10% of ink；The weight accounting of the curing agent is institute
State the 0.5%~5% of ink by weight.
Preferably, ink is printed on the diffusion coating, and the ink layer with random contraction picture and text is formed after solidification
In step, the ink is uv curing ink, by ultraviolet light curing, forms the ink layer.
Preferably, ink is printed on the diffusion coating, and the ink layer with random contraction picture and text is formed after solidification
In step, ink is printed in a manner of the combination of one or more of point, line, surface on the diffusion coating, after solidification
Form ink layer.
Preferably, before the diffusion coating is uncured, the ink is printed on the diffusion coating.
Preferably, after diffusion coating solidification, the ink is printed on the diffusion coating.
Compared with prior art, the beneficial effects of the present invention are:
Antifalsification label of the invention include the substrate with multiple and different patterns, diffusion coating and have random contraction
The ink layer of picture and text is showed the random mechanism of ink layer by the position that ink layer covers, and is not in by the position that ink layer covers
The structure for revealing pattern on substrate and substrate shows three-dimensional anti-counterfeit structure, has irreproducible characteristic, enhances anti-
Pseudo- effect.
The present invention adheres to by transferring multiple and different patterns on substrate, and in printing on substrates for enhancing ink layer
The diffusion coating of power, ink accelerate under the action of diffusion coating flowing, and occur repel, division be shrunk to random contraction
The ink layer of picture and text structure, is not covered radium-shine texture and is leaked out at random and reached randomness by ink, at the same present the different depths and
The random picture and text structure feature of different colours texture, be formed by structure assemblage characteristic be structure three-dimensional, it is three-dimensional, unique
, and irreproducible physical security.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of antifalsification label in one embodiment of the invention.
Specific embodiment
Below with reference to attached drawing, the present invention is described in more detail, it should be noted that lower reference attached drawing is to this
The description that invention carries out is only illustrative, and not restrictive.It can be combined with each other between each difference embodiment, with
Constitute the other embodiments not shown in the following description.
The present invention also provides a kind of antifalsification labels, and the antifalsification label includes having multiple and different patterns in one embodiment
Substrate, diffusion layer, the ink layer with random contraction picture and text, diffusion layer be located on substrate, ink layer is located on diffusion layer.
In a specific embodiment, substrate is radium-shine paper jam.The color of ink layer can be black or other are colored.Optionally, base
Material is adhesive sticker substrate, preferably includes the adhesive sticker substrate of radium-shine paper jam.The present invention on having figuratum substrate by being arranged
Diffusion coating, and setting has the ink layer of random contraction pattern on diffusion coating, ink is presented in the position covered by ink
Picture and text are shunk, radium-shine shading and/or pattern is presented in the position not covered by ink.That is, not covering radium-shine line by ink
Random leak out of reason has reached randomness, while the random features of the different depths and the radium-shine texture of different colours are presented, institute's shape
At structure assemblage characteristic be structure three-dimensional, three-dimensional, unique, irreproducible physical security.
In one specific embodiment, substrate is radium-shine paper jam, and diffusion coating is UV light oil reservoir, and UV light oil reservoir presents transparent
State can show the color of radium-shine paper jam, and ink layer is that equal UV ink layer uses ultraviolet light in printing process
Solidification, wherein ink layer color is different, the antifalse effect of multiple color combination enhancing label.In another embodiment, diffusion applies
Layer is water-soluble transparent ink, and ink layer is water-based ink layer；Or diffusion coating is UV gloss oil, the first ink layer and the
Two ink layers are water-based ink layer；Or other use combination, this hair for hot melt etc. for diffusion coating and ink layer
It is bright without being limited thereto.
The present invention shrinks the random figure antifalsification label generated by ink, and following characteristics are presented: having a variety of different figures
The substrate of case combines the ink layer with random picture and text, and randomness is strong, and repetitive rate is extremely low；The anti-counterfeiting label that ink is formed after shrinking
Label, there is concave-convex sense, have three-dimensional random feature, increase physical, and form dynamic change by radium-shine shading, can not use
The advantages that mode of duplicating is forged.The color of a variety of different patterns and laser card hard copy under light, makes it on radium-shine paper jam
Have 3 D stereo random character and four-dimensional dynamic random feature, increased dynamic change, so that running off the pattern come can not
It realizes and forges, overcome the random pattern of no dynamic change, be easy to duplicate forgery by the modes such as take pictures.That is, this hair
Bright antifalsification label is difficult to duplicate, that is, after increasing behavioral characteristics, can not pass through anti-counterfeit scanning by the duplicating for the modes such as take pictures；
It is difficult to copy, four-dimensional random code considerably increases imitation difficulty, and aspect ratio can not pass through verifying to the random code for allowing forgery.This is anti-
Pseudo label supports quickly scanning, by recognizer, multiple authentication, Objective corroboration, and intervenes without human subjective.
Specifically, the scanning recognition of antifalsification label also needs to include bar code area, and bar code area is to be directly printed using printing technology
One-dimension code on base material or two dimensional code or other pattern identification codes that can be stored information and can be identified by terminal SDK are located at anti-
Except pseudo label.By agile imaging equipment and pattern algorithm, extract random figure position, shape, direction, spacing, height,
Cloud is arrived in features, the storages such as the bright dark, region of color, powder agglomates；When consumer's barcode scanning, by the video of recognizer, barcode scanning, by hand
Machine camera captured image uploads cloud, compares feature by cloud AI algorithm.
The present invention provides a kind of preparation method of antifalsification label, and the preparation method is the following steps are included: step (1): in base
Multiple and different patterns are printed on material；Step (2): having the figuratum transparent diffusion coating of printing on substrates；Step (3): expanding
It dissipates and prints ink in a manner of the combination of one or more of point, line, surface on coating, ink shrinks one on diffusion coating
It fixes time after (such as 3s-10s), using the ink layer with random contraction picture and text is formed after solidification, wherein ink is UV ink,
Diffusion coating can accelerate ink diffusion on base material and molding, and increase ink adhesive force on base material, the printing of ink
Can be after diffusion coating solidification, it can also be before diffusion coating solidification.The printing of diffusion coating and ink can be using plate-making
Printing, flexographic printing, lithographic printing, intaglio printing, silk-screen printing etc..Wherein, pattern may be selected grid, white smooth surface rainbow,
The various pattern designs that white smooth surface fish scale, triangle, diamond shape, square, trapezoidal, round, irregular polygon etc. can be used
The single or complicated and irregular pattern that is composed, although printing pattern on base material is fixed, ink
Mutual having differences property of physical action with diffusion coating in everywhere, the final molding random code in everywhere are all different.
Specifically, selection multiple patterns are made a plate, then pattern is transferred on substrate 2, and ink is directly printed on expansion
It dissipates on coating, in printing process, ink encounters diffusion coating, and occur to repel between ink and diffusion coating, division, foam,
To form the ink layer 1 with random contraction pattern, the scale of the contraction pattern of formation can pass through the receipts after coating
The contracting time is adjusted, and the contraction time being usually arranged is 3s-10s, is then formed using after ultra-violet curing with random code
Antifalsification label, with reference to Fig. 1.
The position that the present invention is not covered by ink on the pattern that printing on substrates is multiple and different, substrate by way of printing
The random structure picture and text feature that the different depths and different colours texture are presented is set, ink is presented in the position covered on substrate by ink
Random structure, being formed by structure assemblage characteristic is structure three-dimensional, three-dimensional, unique, irreproducible physical security.
Antifalsification label of the invention is printed on substrate, using ink convergent force and with the repellency of coating, according to
Chaos principle random contraction figure forms random code, shows four dimensional features: random figure feature, and three-dimensional feature is presented, including
The recessed sense three-dimensional structural feature of the random depth, the color of random figure and present random figure position, shape, direction, spacing,
High low stereoscopic features；Four dimensional features are presented in photo-character, under different angle, the bright dark variation of the color of random figure, powder agglomates,
Regional change etc.；Physical features have certain concave-convex sense.
According to an embodiment of the invention, substrate is radium-shine paper jam, pattern is printed on radium-shine paper jam by transfer modes, radium
The dynamic change that paper jam realizes pattern is penetrated, if pattern is transferred on radium-shine paper jam by thermal transfer or gold stamping mode, printing side
Formula is simple, and avoids material damage.Wherein radium-shine paper jam can choose art post paperboard, gold and silver paper jam, kraft inner paper, radium-shine silver, radium
It penetrates one or two kinds of combination of the above such as yellow, radium-shine indigo plant to form, radium-shine grid, white smooth surface rainbow, white light may be selected in pattern
The radium-shine various pattern designs that can be used such as face fish scale, triangle, diamond shape, square, trapezoidal, round, irregular polygon
The complicated and irregular pattern that one or more are composed.Electric carving version is made according to pattern, passes through thermal transfer equipment
Above-mentioned pattern is transferred on radium-shine paper jam, laser pattern is formed.Radium-shine texture is not covered by ink to exhibit up at random
Randomness, while the random features of the different depths and the radium-shine texture of different colours are presented, it is formed by structure assemblage characteristic
Be structure three-dimensional, three-dimensional, unique, irreproducible physics it is anti-fake.
Optionally, substrate is adhesive sticker substrate, such as art paper, synthetic paper, fragile paper, PET, is carried out to adhesive sticker substrate
Pattern is transferred on adhesive sticker substrate by sided corona treatment by thermal transfer or the modes such as gold stamping.Preferably, adhesive sticker substrate surface
With radium-shine feature, four-dimensional dynamic change is realized.
According to an embodiment of the invention, diffusion coating includes UV gloss oil and diffusant, wherein the weight accounting of diffusant is
The 0.5%~2% of diffusion coating weight, the weight accounting of diffusant are the 1% of diffusion coating weight, the weight accounting of diffusant
It will lead to the first diffusion coating or the second diffusion coating poor fluidity less than 0.5%, the weight accounting of diffusant, which is greater than 2%, to be led
It causes the first diffusion coating or the second diffusion coating to will lead to the solidification of UV gloss oil to be not thorough.Diffusion coating further includes foaming agent, crackle
The additives such as agent, organosilicon.It should be appreciated that the ratio of diffusant is according to printing element, print speed printing speed, ultraviolet lamp (UV) power etc.
It is adjusted, if UV gloss oil surface tension is big, hardly possible expansion, print speed printing speed is fast, ultraviolet lamp power is low, then increases the addition of diffusant
Amount；If UV gloss oil surface tension is small, easy expansion, print speed printing speed is slow, ultraviolet lamp power is low, then reduces the additive amount of diffusant.
Wherein, diffusant is levelling agent, can be acrylic resin, Lauxite and melamine resin etc., and diffusant adds
Enter the diffusion velocity that can accelerate UV gloss oil, along with bubble in gloss oil, the coating for forming gloss oil in substrate surface more has layer
It is secondary.
According to an embodiment of the invention, ink includes diffusant, foaming agent, crackle agent, curing agent, wherein diffusant, hair
Infusion, crackle agent additive amount be the 2%~5% of ink by weight, and the addition of diffusant, foaming agent and crackle agent is total
Amount is less than or equal to the 5%~10% of ink by weight；The content of curing agent is the 0.5%~5% of ink by weight.
Ink is mixed by additives such as ink diffusion agent, foaming agent, crackle agent.Diffusant can be acrylic acid tree
Rouge, Lauxite and melamine resin etc., the function of diffusant are to accelerate diffusion of the ink on diffusion coating；Hair
Infusion can be low-boiling alkane and fluorocarbons, and the function of foaming agent is the foam volume for increasing ink itself；Crackle agent
For low boiling point, volatile organic solvent；Such as toluene, n-hexane；The cracking when function of crackle agent is ink molding, formation are split at random
Line.
It should be appreciated that diffusant, foaming agent, crackle agent addition can accelerate the diffusion and molding of ink, shorten with
The molding time of machine code, and the randomness of molding pattern is greatly promoted with complexity.But diffusant, foaming agent, crackle agent
Whole dosage between the 5%-10% of ink by weight, additional amount be more than 10% will lead to UV solidification be not thorough, even result in excessive
Glue with do not form；Additional amount is less than 5%, then above-described effect is not achieved.It, need to be according to actual operation in specific experiment
Demand, diffusant, foaming agent, crackle agent whole used in amounts to be adjusted, the invention is not limited thereto.Curing agent can be 2,
4,6- trimethylbenzoy-dipheny phosphine oxides (TPO), 1- hydroxy-cyclohexyl-phenyl ketone (184), phenyl it is bis- (2,4,
6- trimethylbenzoyl) one of photoinitiators such as phosphine oxide (819), 2- isopropyl thioxanthone (ITX) and 2022 or
Two or more mixed configurations form.Two or more curing agent is added in ink, different curing agent is under different wavelength
It works, to make full use of ultraviolet wavelength, improves curing efficiency.It, need to be according to actual operational requirements to solid in specific experiment
Type, combination and the additive amount of agent are adjusted, and the invention is not limited thereto.
Wherein, in step (3), ink is uv curing ink (UV ink), and ink is by ultraviolet light curing, formation tool
There is the ink layer of random contraction picture and text.In step (3), with the combination of one or more of point, line, surface on diffusion coating
Mode print ink, form ink layer after solidification.Ink can be dried using ultraviolet lamp during ink solidification,
Needed for estimation solidification, such as wavelength, the ultraviolet lamp power of needs, it can choose the ultraviolet curing equipments such as mercury lamp, halogen lamp, LED light
Carry out ultra-violet curing.Wherein, ultraviolet light irradiation ink, can be fully cured it, be correspondingly formed ink layer.
In a specific embodiment, diffusion coating is water-soluble transparent ink, and ink layer is water-based ink layer；Or
Person's diffusion coating is UV gloss oil, and ink layer is water-based ink layer or other use combination, and the invention is not limited thereto.
After dry completion, adhesive force test is carried out using adhesive tape to the ink layer on UV gloss oil, if adhesive force is enough,
Carry out subsequent operation；If adhesive force is inadequate, the curing agent content of ink can be adjusted, until adhesive force reaches standard.
According to one embodiment of present invention, before diffusion coating is uncured, ink is printed on diffusion coating, is spread
Coating does not need to carry out UV solidification, directly prints ink on uncured UV gloss oil, can form more complicated random code figure
Case.The preferably radium-shine paper jam of substrate is equipped with multiple and different patterns on radium-shine paper jam, forms laser pattern, radium-shine paper jam background color
One or more combination such as radium-shine silver, radium-shine yellow, radium-shine indigo plant may be selected；The optional grid of pattern is radium-shine, white smooth surface is color
The radium-shine various flowers that can be used such as rainbow, white smooth surface fish scale, triangle, diamond shape, square, trapezoidal, round, irregular polygon
One or more complicated and irregular pattern being composed of master drawing case.When according to pattern and practical printing
Condition makes corresponding electric carving version.If substrate is radium-shine paper jam, above-mentioned complex pattern is transferred to by thermal transfer equipment
On radium-shine paper jam, laser pattern is formed；If substrate is adhesive sticker, which may include radium-shine paper jam, then passes through the side of corona
Formula transfers pattern on substrate.
Specifically, in one layer of the printing on substrates entire saturating diffusion coating of height, diffusion coating does not need to carry out UV solidification, can
Using traditional Plate making printing, letterpress, lithographic printing, intaglio printing, silk-screen printing etc..The presence of diffusion layer can add
Fast ink and increases the adhesive force of ink in the diffusion and molding in the anti-fake region of paper jam.Wherein, diffusion coating is by UV gloss oil, expansion
The gloss oil additives such as powder, foaming agent, crackle agent, organosilicon are combined, and the addition of diffusant can accelerate the expansion of UV gloss oil
Speed is dissipated, along with bubble in gloss oil, the coating for forming gloss oil on paper jam surface more has levels.The ratio of diffusant is according to print
Brush substrate, print speed printing speed etc. are adjusted.The ratio of diffusant is adjusted according to printing element, print speed printing speed etc., specifically,
Printing element surface spreading is difficult, print speed printing speed is fast, needs additional amount big；Printing element surface spreading is easy, print speed printing speed slowly then
Additional amount is few.
It is printed in a manner of the combination of one or more of point, line, surface at still undried transparent diffusion coating
The printing of UV black ink, ink encounter that undried coating produces repulsion, 3- is shunk in division, foaming (can slight/can serious)
10 seconds formation random contraction figures (random code), the scale of shrinkable pattern, the contraction time after adjustment coating, the present invention
It is without being limited thereto.Ink carries out UV dry solidification after shrinking again, and wherein ultraviolet lamp irradiates 2- to the black ink being coated on gloss oil
10 seconds, it can be fully cured, depending on specific ultraviolet lamp irradiation time can be adjusted according to specific experiments, the present invention is not
It is limited to this.Although complex pattern on substrate is fixed, but ink and high mutual physical action of the diffusion layer in everywhere thoroughly
Having differences property, the random code after final molding are all different.
Diffusant, foaming agent, crackle agent addition can accelerate the diffusion and molding of ink, make the molding time of random code
Shorten, and the randomness of molding pattern is greatly promoted with complexity.Diffusant, foaming agent, crackle agent entirety used in amounts are in oil
Between the 5%-10% of black weight, additional amount be more than 10% will lead to UV solidification be not thorough, even result in excessive glue and do not form；Add
Enter amount less than 5%, then above-described effect is not achieved.In specific experiment, need to according to actual operational requirements adjust diffusant,
Foaming agent, crackle agent dosage, the invention is not limited thereto.Wherein, the additional amount of curing agent decides the molding product of final ink
Matter, curing agent can be 2,4,6- trimethylbenzoy-dipheny phosphine oxides (TPO), 1- hydroxy-cyclohexyl-phenyl ketone
(184), bis- (2,4, the 6- trimethylbenzoyl) phosphine oxides (819) of phenyl, 2- isopropyl thioxanthone (ITX) and 2022 etc.
One or more of photoinitiator mixed configuration forms, and overall consumption is between the 0.5%-5% of ink by weight.In oil
Two or more curing agent is added in ink, different curing agent works under different wavelength, to make full use of ultraviolet wavelength,
Improve curing efficiency.In specific experiment, need to according to type, combination and the dosage of actual operational requirements adjustment curing agent,
The invention is not limited thereto.
The present invention can be dried ink using ultraviolet lamp, needed for estimation solidification, can choose mercury lamp, halogen lamp,
The ultraviolet curing equipments such as LED light carry out ultra-violet curing.In specific experiment, when can adjust ultraviolet light irradiation according to the actual situation
Between, the invention is not limited thereto.In printing varnish and black ink, do not need that gloss oil and black ink are defoamed and flowed
Flat processing.
After dry completion, adhesive force test is carried out using adhesive tape to the ink on gloss oil and is carried out if adhesive force is enough
Subsequent operation；If adhesive force is inadequate, the curing agent content of ink can be adjusted, until adhesive force reaches standard.Pass through
The ink that adhesive tape is pullled the gloss oil being already attached on laser film and is already attached on gloss oil, if by pullling gloss oil and ink
It falls off and is sticked on adhesive tape, then the adhesive force of gloss oil is inadequate；It is sticked on adhesive tape if falling off by pullling ink, and gloss oil will not adhere to
On adhesive tape, then the adhesive force of ink is inadequate, and the adhesive force of gloss oil is enough；If will not fall off by pullling gloss oil and ink viscous
On adhesive tape, then the adhesive force of gloss oil and ink is enough.
According to another embodiment of the invention, after diffusion coating solidification, ink is printed on diffusion coating, solid
The UV gloss oil of change directly prints ink, can form more complicated random code pattern.The preferably radium-shine paper jam of substrate, in radium-shine paper jam
It is equipped with multiple and different patterns, forms laser pattern, radium-shine silver, radium-shine yellow, radium-shine indigo plant etc. one may be selected in radium-shine paper jam background color
A or more than two combinations；Radium-shine grid, white smooth surface rainbow, white smooth surface fish scale, triangle, diamond shape, just may be selected in pattern
Made of one or more group of the radium-shine various pattern designs that can be used such as rectangular, trapezoidal, round, irregular polygon
Complicated and irregular pattern.Condition when according to pattern and practical printing, makes corresponding electric carving version.If substrate is radium
Paper jam is penetrated, then above-mentioned complex pattern is transferred on radium-shine paper jam by thermal transfer equipment；If substrate is adhesive sticker, this is not done
Glue may include radium-shine paper jam, then needs more adhesive materials to carry out sided corona treatment, on transferring pattern to substrate.
Specifically, in one layer of the printing on substrates entire saturating diffusion coating of height, and UV dry solidification, ultraviolet lamp is to coating
Gloss oil irradiates 1-6 seconds, it can be fully cured.The curing time of diffusion coating can be according to specific in specific experiment
Situation adjustment, the invention is not limited thereto.Adoptable is traditional Plate making printing, flexographic printing, lithographic printing, intaglio printing,
Silk-screen printing etc. can be achieved.Printing and diffusion coating solidification are printed maximum difference later and are before diffusion coating solidification,
The high coating of diffusion layer thoroughly is just solidified later.Gloss oil can be dried using ultraviolet lamp, according to needed for solidification, Ke Yixuan
It selects halogen lamp, mercury lamp, LED light etc. and carries out ultra-violet curing.The presence of high diffusion coating thoroughly can accelerate ink in the anti-fake region of paper jam
Diffusion and molding, and increase the adhesive force of ink.High diffusion coating thoroughly is combined by UV gloss oil and diffusant, diffusant
The diffusion velocity of UV gloss oil can be accelerated by being added, and along with bubble in gloss oil, the coating for forming gloss oil on paper jam surface more has
Level.The ratio of diffusant is adjusted according to printing element, print speed printing speed, UV lamp power etc., specifically, printing element surface
Expansion is difficult, print speed printing speed is fast, UV lamp power is low, needs additional amount big；Printing element surface spreading is easy, print speed printing speed is slow, UV
Then additional amount is few for power height.
It is printed in a manner of the combination of one or more of point, line, surface at the transparent diffusion coating having been cured
The printing of UV black ink, ink encounter that undried coating produces repulsion, shape is shunk in division, foaming (can slight/can serious)
At random contraction figure (random code), the scale of pattern is shunk, can be adjusted, be led to by the contraction time after coating
Standing contraction time of setting is 3-10 seconds.Ink carries out UV dry solidification after shrinking again, and ultraviolet lamp is to the black being coated on gloss oil
Ink irradiates 2-10 seconds, it can be fully cured.Radium-shine complex pattern on substrate be although it is fixed, but ink with
In mutual the having differences property of physical action of everywhere, the random code after final molding is all different high diffusion coating thoroughly.Wherein,
In gravure varnish and black ink, do not need to carry out gloss oil and black ink defoaming and levelling processing.
Ink formulations are mixed by the easers such as black ink and diffusant, foaming agent, crackle agent.Diffusant
Function is to accelerate diffusion of the black ink on high diffusion layer thoroughly；The function of foaming agent is the foam volume for increasing ink itself；
Cracking when crackle agent function is ink molding, forms random crack.Diffusant, foaming agent, crackle agent addition can accelerate oil
The diffusion and molding of ink, shorten the molding time of random code, and the randomness of molding pattern is greatly promoted with complexity.But
Whole used in amounts between the 5%-10% of ink by weight, additional amount be more than 10% will lead to UV solidification be not thorough, even result in
Excessive glue with do not form；Additional amount is less than 5%, then above-described effect is not achieved.It, need to be according to actual behaviour in specific experiment
Make demand adjustment diffusant, foaming agent, crackle agent dosage, the invention is not limited thereto.The additional amount of curing agent decides finally
The molding quality of ink, curing agent is to be 2,4,6- trimethylbenzoy-dipheny phosphine oxides (TPO), 1- hydroxy-cyclohexan
Bis- (2,4, the 6- trimethylbenzoyl) phosphine oxides (819) of base-phenyl ketone (184), phenyl, 2- isopropyl thioxanthone
(ITX) it is formed with one or more of photoinitiators such as 2022 mixed configuration, two or more consolidate is added in ink
Agent, different curing agent work under different wavelength, to make full use of ultraviolet wavelength, improve curing efficiency.Curing agent
Dosage be between the 0.5%-5% of ink by weight, need to be by being actually adjusted.
Ink can be dried using ultraviolet lamp, needed for estimation solidification, can choose mercury lamp, halogen lamp, LED light etc.
Ultraviolet curing equipment carries out ultra-violet curing.After ink setting is completed, adhesive force survey is carried out using adhesive tape to the ink on gloss oil
Examination, if adhesive force is enough, carries out subsequent operation；If adhesive force is inadequate, the curing agent content of ink can be adjusted, directly
Reach standard to adhesive force.The oil pullling the gloss oil being already attached on laser film by adhesive tape and being already attached on gloss oil
Ink, if falling off and being sticked on adhesive tape by pullling gloss oil and ink, the adhesive force of gloss oil is inadequate；If through pullling ink fall off it is viscous
On adhesive tape, and gloss oil without being adhered on adhesive tape, then the adhesive force of ink is inadequate, and the adhesive force of gloss oil is enough；If by drawing
Pulling gloss oil and ink will not fall off and is sticked on adhesive tape, then the adhesive force of gloss oil and ink is enough.
The above embodiment is only the preferred embodiment of the present invention, and the scope of protection of the present invention is not limited thereto,
The variation and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed range.
Claims (10)
1. a kind of antifalsification label, which is characterized in that including with multiple and different patterns substrate, diffusion layer, have random picture and text
Ink layer, the diffusion layer be located on the substrate, the ink layer is located on the diffusion layer.
2. antifalsification label as described in claim 1, which is characterized in that the substrate is radium-shine paper jam.
3. a kind of preparation method of antifalsification label, which comprises the following steps:
In the multiple and different patterns of printing on substrates；
In the transparent diffusion coating of printing on substrates with the pattern；
Ink is printed on the diffusion coating, and the ink layer with random contraction picture and text is formed after solidification.
4. the preparation method of antifalsification label as claimed in claim 3, which is characterized in that the substrate is radium-shine paper jam, described
Pattern is printed on the radium-shine paper jam by transfer modes.
5. the preparation method of antifalsification label as claimed in claim 3, which is characterized in that the diffusion coating include UV gloss oil and
Diffusant, wherein the weight accounting of the diffusant is the 0.5%~2% of the diffusion coating weight.
6. the preparation method of antifalsification label as claimed in claim 3, which is characterized in that the ink includes diffusant, foaming
Agent, crackle agent, curing agent, wherein the diffusant, the foaming agent, the crackle agent weight accounting be the ink
The 2%~5% of weight, and the total amount of adding accounting of the diffusant, the foaming agent and the crackle agent is less than or waits
In the 5%~10% of ink by weight；The weight accounting of the curing agent is the 0.5%~5% of the ink by weight.
7. the preparation method of antifalsification label as claimed in claim 6, which is characterized in that the off-set oil on the diffusion coating
Ink, being formed after solidification had in the step of ink layer of random contraction picture and text, and the ink is uv curing ink, by ultraviolet
Lamp solidification, forms the ink layer.
8. the preparation method of antifalsification label as claimed in claim 3, which is characterized in that the off-set oil on the diffusion coating
Ink, being formed after solidification had in the step of ink layer of random contraction picture and text, on the diffusion coating in point, line, surface
The mode of one or more combination prints ink, forms ink layer after solidification.
9. the preparation method of the antifalsification label as described in any one of claim 3~8, which is characterized in that applied in the diffusion
Before layer is uncured, the ink is printed on the diffusion coating.
10. the preparation method of the antifalsification label as described in any one of claim 3~8, which is characterized in that applied in the diffusion
After layer solidification, the ink is printed on the diffusion coating.
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| CN201910663895.XA CN110349492B (en) | 2019-07-22 | Anti-counterfeiting label and preparation method thereof |
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| CN201910663895.XA CN110349492B (en) | 2019-07-22 | Anti-counterfeiting label and preparation method thereof |
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| CN110349492A true CN110349492A (en) | 2019-10-18 |
| CN110349492B CN110349492B (en) | 2024-06-07 |
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