CN207224882U - A kind of variable blocking film - Google Patents
A kind of variable blocking film Download PDFInfo
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- CN207224882U CN207224882U CN201721186142.7U CN201721186142U CN207224882U CN 207224882 U CN207224882 U CN 207224882U CN 201721186142 U CN201721186142 U CN 201721186142U CN 207224882 U CN207224882 U CN 207224882U
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Abstract
The utility model discloses a kind of variable blocking film, it includes the substrate layer being cascading, release layer, imaging layer, metallic reflector and gum layer, wherein, the substrate layer is as outermost protective layer, the gum layer is used to be bonded with by boiling hot substrate surface, the gum layer is locally coated on metallic reflector according to certain pattern form, during thermoprint, gum layer by boiling hot substrate surface with being conformed to, substrate layer, which is peeled off, drives the blocking film without gum layer region to be separated from each other with the blocking film for having gum layer region, so that the blocking film pattern form of gum layer corresponding region is finally left on boiling hot base material.The variable blocking film of technical solutions of the utility model, on the one hand, variable thermoprint can be achieved using the thermoprinting machine of the prior art, save cost；On the other hand, then there can be certain patterning glue by being coated with metallic reflector, so that specific pattern thermoprint is greatlyd save cost and time on by boiling hot base material with previously prepared thermoprint membrane body.
Description
Technical field
The utility model belongs to field of anti-counterfeit technology, more particularly, to a kind of variable blocking film.
Background technology
With the continuous improvement of national economy level, the fast development of press-packaging industry, outer packing of the people to product is cured
High-grade requirement, exquisite, environmental protection, rich personalization are sent out, in the post-press finishing of packaging product, foil stamping process is because of its unique surface
Cosmetic outcome is liked by people always.It is gold stamping mainly to have three kinds of functions, first, incrustation, it is gold stamping after picture and text show by force
Strong metallic luster, color glow, never fade, especially gold stamping silver, with its splendid, exquisite graceful decoration point
Sew printed matter surface, strengthened the artistry of printing, play the effect of publicity of projecting motif, and its bright degree substantially exceeds
Bronze printing and Yin Yin, the enjoyment for making product that there is high-grade texture at the same time to give U.S., substantially increase value-added content of product；Second,
Holographic thermoprinted film assigns product higher anti-counterfeiting performance, and using holographic locating thermoprint trademark, anti-counterfeiting, protect famous brand；Third,
Since gold stamping layer has excellent physics, chemical property, the word on printing product plays a very good protection.
Antiforge laser holographic pattern is mesh since with high content of technology, preparation process are complicated and possess special optical effect
One of preceding important anti-counterfeiting technology means.One of common product form is blocking film, it include base material, release layer, imaging layer,
Reflecting layer and gum layer.In use, gum layer is bonded with packing box, the sandwich constructions such as substrate layer and release layer are peeled off, you can
So that laser hologram pattern layer is retained on package object.The holographic false proof pattern can be used for showing the logo of company, publicity mark
The brand pattern such as language, while can also be false proof by being realized in pattern with holographic effects such as position aniseikania, micro, lens, dynamics
Effect.
Most common gilding technology includes blanching gold and cold wave gold.In the prior art, either cold wave and blanching is all adopted
With fixed gold stamping version or printing UV gloss oil pattern, hot stamping pattern is fixed.In the prior art, US20060114530A is disclosed
A kind of gilding technology, is after the completion of the preparation of substrate layer, release layer, imaging layer and metallic reflector, then in metallic reflector
Upper progress UV ink jet printings, then alkali cleaning, washes away the aluminium lamination of no ink jet printing layer protection, realizes that part washes aluminium, last gluing, obtains
Aluminium blocking film is washed to variable.This preparation process is complicated, time-consuming and has certain pollution (alkali cleaning).At another
In technical solution CN201020259077, a kind of digital ink-jet cold foil technology is disclosed, it uses digital printing technologies first,
Thermoprint printing on substrates UV cold wave glue, then by blocking film with compound by boiling hot base material, stripping.After the region thermoprint for scribbling glue
The surface of thermoprint base material is stayed in, other parts are peeled off therewith, so as to fulfill variable hot stamping pattern.Although it can realize variable scald
Print, but all producers of this technological requirement will especially purchase digital ink-jet cold wave equipment, it is with high costs.
Utility model content
For the disadvantages described above or Improvement requirement of the prior art, the utility model provides a kind of variable electrochemical aluminium thermoprinting
Film.The situation of variable thermoprint is difficult to for the foil stamping process of the prior art, uses the changeable pattern by thermoprint is treated with gum
The form of layer is applied on metallic reflector and then carries out again the technical solution of thermoprint in advance, it is possible to achieve blocking film it is variable.
To achieve the above object, according to the technical solution of the utility model, there is provided a kind of variable blocking film, it include according to
The secondary substrate layer being stacked, release layer, imaging layer, metallic reflector and gum layer, wherein, the substrate layer is as outermost
Protective layer, the gum layer be used for being bonded by boiling hot substrate surface, it is characterised in that
The gum layer is coated on the metallic reflector, and is rendered as figure corresponding with treating hot stamping pattern, i.e. institute
Stating on metallic reflector has subregion glue coating and other regions are without glue application so that in thermoprint in by boiling hot substrate surface
When, the blocking film pattern form of gum layer corresponding region is left on by boiling hot base material.
In technical solutions of the utility model, gum layer is printed according to the required pattern form of thermoprint, also
It is to say that glue prints out certain shape on metallic reflector.Its principle is, blocking film is needed could be with by gum layer
By boiling hot substrate bonding, that is to say, that printed by glue on metallic reflector and form certain shape so that blocking film and quilt
Scalding the pattern form for there was only specific region after substrate bonding can shift, and the region of no glue coating can not be then adhered to
By on boiling hot base material., can be by varying the pattern for the gum layer being coated with according to different demands so that the thermoprint effect of blocking film
Fruit is variable, such as realizes variable sequence number, character string, figure.That is, there is gum layer in subregion on metallic reflector
And other regions are without gum layer, in thermoprint, variable blocking film is bonded with by boiling hot base material, have the region of gum layer with by boiling hot base material
Imaging layer and metallic reflector are transferred to by boiling hot base material by bonding, and imaging and metallic reflector without gum region are with thermoprint
Film strips are walked.The blocking film pattern form that gum layer corresponding region is left on by boiling hot base material is the pattern form for treating thermoprint, is led to
The shape of ink jet printing change gum layer is crossed to realize the variable of blocking film, so as to fulfill variable thermoprint.Work as in actual application
In, the thickness very little of blocking film, under the effect of the pressure, no gum region are also possible to be bonded, but do not have caking property, only
Region with gum layer could leave specific pattern with being bonded by boiling hot base material.
In technical solutions of the utility model, gum layer is preferably direct digital printing technologies (i.e. by way of ink jet printing)
It is printed on metallic reflector, so as to fulfill being accurately printed on information pattern on metallic reflector in the form of gum layer.
Digital printing technologies be one kind using pre-print system by graph text information directly by being printed in network transmission to digital printer
The technology of brush, its feature are, can copy to graph text information in block letter exactly.In technical solutions of the utility model,
Glue is considered as ink, is accurately copied to target pattern on the metallic reflector of blocking film using digital printing technologies, from
And make it that the corresponding thermoprint diaphragm area of gum layer and pre-print system are precisely consistent by graph text information, and most there is given shape at last
Blocking film with by boiling hot base material carry out thermoprint it is bonding after be presented on by boiling hot base material.
The variable blocking film of technical solutions of the utility model, the preferred conventional electrochemical aluminium lamination of imaging layer or laser electrochemical aluminium lamination.
For conventional electrochemical aluminium lamination generally as the first choice of decorative gilding technology, laser electrochemical aluminium lamination is radium-shine anti-due to wherein having generally comprised
Fake information layer, thus also there is certain antiforge function in addition to dicoration.
As one of technical solutions of the utility model preferably, gum layer be thermoplastic polyester hot melt adhesive, acrylic resin,
One or more in EVA hot melt adhesives or rubber solvent borne hot melt adhesive are coated as glue.
Preferably, the softening temperature of glue is 70-100 DEG C to one as technical solutions of the utility model.
Preferably, the thickness of gum layer is 1.0-10 microns to one as technical solutions of the utility model.
The species of the different hot melt adhesive of different thermoprint choice of the substrates, corresponding hot melt adhesive is configured to be adapted to ink jet printing
Solution, by ink jet printing, coating is formed in metallic reflector, it is dry by heat drying, form hot melt gum layer.Utilizing heat
One or more in plasticity polyester hot-melt adhesive, acrylic resin, EVA hot melt adhesives or rubber solvent borne hot melt adhesive are as glue
When water is coated, the softening temperature of glue can both realize gum layer coating at this temperature preferably between 70-100 DEG C
Process requirements, and the structure of blocking film will not be damaged.The formed gum layer thickness of coating, is preferably 1.0-10 microns.
In technical solutions of the utility model, substrate layer uses BOPET materials or BOPP materials, 12-30 microns of thickness.Base material
Basis of the layer as blocking film coating, in use, being peeled off by the other structures of release layer and blocking film, then remainder is glued
Tie by boiling hot base material.If substrate layer is excessively thin, when stripping, substrate layer easily damaged deformation, influences the use of blocking film；
, whereas if substrate layer is blocked up, the heat conductivity deficiency of whole blocking film, causes blocking point excessive.Thickness is 12-30 microns
Substrate layer, it is uniform in size with the bonding dynamics of blocking film other parts, can fast and effeciently realize above-mentioned stripping process,
The use of blocking film is not interfered with.
As one of technical solutions of the utility model preferably, the preferred oxidized polyethylene wax of release layer, paraffin, montanin wax and
One or more coatings in Brazil wax form, 0.01-0.1 microns of coating thickness.
Release layer is set, this practicality to when blocking film uses there is hologram image message part to be peeled off with substrate layer
It is thick using the one or more in oxidized polyethylene wax, paraffin, montanin wax and Brazil wax, coating in new technique scheme
0.01-0.1 microns of degree.Above-mentioned material viscosity is relatively low, while stable structure, can be by the knot of release layer both sides using less power
Structure separates, and 0.01-0.1 microns of thickness can meet the needs of blocking film.Excessively thin or blocked up release layer not only bad for
Peel off, can also influence the aesthetics of blocking film in itself.
Preferably, the coating of imaging layer preferred acrylate resin material is formed one as technical solutions of the utility model,
0.8-1.8 microns of coating thickness.
One as technical solutions of the utility model is preferred, the aluminium lamination of 20~60nm of metallic reflector preferred thickness.
Preferably, metallic reflector is deposited on the table of imaging layer by Vacuum Deposition to one as technical solutions of the utility model
Face.
Main carriers of the imaging layer as holographic anti-fake information, it is preferred to use the coating of acrylate material forms, and applies
0.8-1.8 microns of cloth thickness, under this thickness, it can meet the needs of contour forging machine, have holographic false proof being formed
Higher transparency can also be kept while information.Since imaging layer has certain transparency, in order to preferably show wherein
Holographic information pattern, imaging layer have holographic information side be also provided with a metallic reflector, the master of metallic reflector
It is the holographic anti-fake information further highlighted in imaging layer to act on, its thinner thickness.In technical solutions of the utility model, metal
The reflecting layer preferably aluminium lamination of 20~60nm, metallic aluminium preferably deposit to the surface of imaging layer, this side by the way of Vacuum Deposition
Formula can cause metal layer uniform fold imaging layer.
In general, by the contemplated above technical scheme of the utility model compared with prior art, have with following
Beneficial effect：
1) the variable blocking film of technical solutions of the utility model, the shape by varying blocking film gum layer realize blocking film
Changeability.Specifically, only the region containing gum layer can be with being bonded, without gum by boiling hot base material in blocking film
The region of layer by boiling hot base material then with not bonded, by the shape for changing gum layer on metallic reflector, it is possible to achieve blocking film
It is variable.
2) the variable blocking film of technical solutions of the utility model, can due to only changing the gum layer planform of blocking film
To adapt to current various thermoprint demands extensively, can not only be realized in conventional electrochemical aluminium and logical version laser electrochemical aluminum it is variable gold stamping,
It can also be realized on located laser anodized aluminium variable gold stamping, greatly save human and material resources cost.
3) the variable blocking film of technical solutions of the utility model, can be straight using digital printing technologies on metallic reflector
Connect and glue is printed out into specific shape, its is simple and convenient, and the existing common hot stamping equipment of the thermoprint process can be achieved.
Brief description of the drawings
Fig. 1 is the variable thermoprint film layer structure schematic diagram of the embodiment of technical solutions of the utility model；
Fig. 2 is the use schematic diagram of the variable blocking film of the embodiment of technical solutions of the utility model.
Embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining
The utility model, is not used to limit the utility model.In addition, institute in each embodiment of the utility model disclosed below
As long as the technical characteristic being related to does not form conflict and is mutually combined each other.With reference to embodiment to this
Utility model is further described.
The variable thermoprint film layer structure schematic diagram of the embodiment of technical solutions of the utility model as shown in Figure 1, by up to
Under be substrate layer 11, release layer 12, imaging layer 13, metallic reflector 14 and gum layer 15 successively.Wherein, gum layer localised application
On metallic reflector.Specifically, the patterning of thermoprint as needed, the glue coating on metallic reflector 14, also
It is to be printed the pattern for needing thermoprint on metallic reflector with glue.When thermoprint is actually carried out, gum layer 15
It is bonded with by boiling hot base material, after compacting, is coated with the imaging layer 13, metallic reflector 14 and gum layer 15 of the blocking film of glue
It is attached to and is then disconnected by the surface of boiling hot base material, the blocking film in no glue coating region together, so that by boiling hot base material
Surface on formed target requirement gold stamping pattern.
Furthermore, it is understood that the variable blocking film in the embodiment of technical solutions of the utility model not only can be in conventional electrochemical
Aluminium and logical version laser electrochemical aluminum are realized variable gold stamping, can also be realized on located laser anodized aluminium variable gold stamping.It is distinguished
In the difference of imaging layer 13, i.e. imaging layer 13 can be the logical version laser electrochemical aluminum of conventional electrochemical aluminium or located laser electrification
Aluminium.Conventional electrochemical aluminium is does not have hologram image on imaging layer, and logical version laser electrochemical aluminum is full version pattern on imaging layer, located laser
Anodized aluminium is that have fixed hologram image at equal intervals on imaging layer.
In the embodiment of technical solutions of the utility model, gum layer 15 preferably passes through digital printing to metallic reflector 14
On, specifically, according to prior designed pattern, corresponding one layer of the coating on metallic reflector 14 using digital printing technologies
Glue, then by the blocking film for scribbling glue with being conformed to by boiling hot base material, is finally only partly retained in by boiling hot base material, i.e.,
The pattern form designed in advance.Since glue is to be coated on according to the pattern part designed in advance on metallic reflector 14, do not have
There is the region of glue application, with being taken together during being peeled off by boiling hot base material, to be only coated with glue in blocking film substrate layer 11
Aqua region is attached to by boiling hot base material.
In this way, can the glue coating as needed on the blocking film made according to demand, then
It is printed on by boiling hot base material., can be with that is, this hot stamping method in the embodiment of technical solutions of the utility model
The previously prepared thermoprint membrane structure collectively formed by substrate layer 11, release layer 12, imaging layer 13 and metallic reflector 14, Ran Hougen
According to needs, digital printing technologies glue coating is utilized on the surface of metallic reflector 14, so that being coated with glue on blocking film
With that can show specific patterning after being combined by boiling hot base material, the region of uncoated glue then will not be by thermoprint in the region of water
To on by boiling hot base material, but as substrate layer is lifted-off together.
In another preferred embodiment, coating forms the glue of gum layer, that is, digital printing ink, is preferably thermoplastic
Property polyester hot-melt adhesive, acrylic resin, the organic solution of EVA hot melt adhesives or rubber based hot melt glue, ink jet printing is in metal
Reflecting layer, is then dried by heat, forms hot melt gum layer.
Variable blocking film hot stamping method in the embodiment of technical solutions of the utility model, can be at any time according to hot stamping pattern
Demand on the metallic reflector of blocking film glue coating, directly with being carried out being bonded thermoprint by boiling hot base material, when greatling save
Between.Blocking film need not be made respectively for every kind of hot stamping pattern, reduce production cost at the same time.
Fig. 2 is to use schematic diagram according to the variable blocking film constructed by the utility model embodiment.As shown in Figure 2,
The blocking film includes substrate layer 11, release layer 12, chromatograph 13, metallic reflector 14 and gum layer 15 successively from top to bottom.
The variable blocking film of technical solutions of the utility model is further detailed using specific step below.
(1) base material is selected, the PET film of preferably bidirectional stretching is as substrate layer in the embodiment of technical solutions of the utility model
11.Release layer 12 is coated with substrate layer 11, in the embodiment of technical solutions of the utility model, preferably paraffin wax emulsions are as release
Layer coating, anilox roll coating.Coating temperature is 80 DEG C~120 DEG C, and coating speed is 60~90m/min, and the thickness of release layer is
0.01-0.1 microns.
(2) on the basis of step (1), chromatograph, that is, imaging layer 13 are coated with release layer.The utility model technology
Preferably consolidate PET-8XX type coating complex dyes using nation in the embodiment of scheme to be prepared into as coating, anilox roll coating, coating
Temperature is 80 DEG C~150 DEG C, and coating speed is 60~90m/min, and chromatograph thickness is 1.0-1.5 microns.Further, this implementation
Preferably using three friendly holographic mould press in example, by designed laser holographic pattern under conditions of 180 DEG C~240 DEG C, by nickel
The lower surface for the acrylate layer (i.e. imaging layer) that the micro nano structure of plate surface is transferred to, believes so as to be formed containing holography
The imaging layer of breath.
(3) in the imaging layer surface of step (2), metallic reflector 14 is added, with the holographic information to imaging layer into traveling
The displaying and protection of one step.Specifically, vacuum coating equipment is used in the present embodiment, with the speed of 200m/min~250m/min
One layer of aluminium reflecting layer, its thickness preferably 20~60nm have been deposited on the surface of imaging layer.
(4) in the present embodiment, in the printing gum layer 15 of metallic reflector.Gum layer uses ink-jet printing apparatus, with molten
Agent polyester hot-melt adhesive is ink-jet print medium, carries out ink-jet in metallic reflection layer surface, forms certain group's shape, Ran Houre
Dry dry, form local hot melt gum layer.
(5) on the gold stamping device of concora crush, by the effect of heat and pressure, the region for having gum layer 15 is shelled from release layer
From being transferred to imaging layer 13 and metallic reflector 14 by boiling hot substrate 16.Do not have the region of gum layer then substrate layer 11 with
Separated during being peeled off by boiling hot substrate 16 with thermoprint film base material 11, so that being left expected figure in boiling hot substrate 16
Case.
By above-mentioned steps, products obtained therefrom is that the heatproof in the embodiment of technical solutions of the utility model is holographic thermoprinted
Film.The thermoprint membrane material is transferred to fitting thing surface by thermoprint, so as to play the effect of antiforge laser holographic.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification for being made where within the spirit and principles of the present invention, equivalent substitution and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of variable blocking film, it includes substrate layer, release layer, imaging layer, metallic reflector and the back of the body being cascading
Glue-line, wherein, the substrate layer is used for being bonded by boiling hot substrate surface as outermost protective layer, the gum layer, it is special
Sign is,
The gum layer is coated on the metallic reflector, and is rendered as figure corresponding with treating hot stamping pattern, i.e., described gold
Belong to reflecting layer Shang You subregions glue coating and other regions without glue application so that in thermoprint when by boiling hot substrate surface,
The blocking film pattern form of gum layer corresponding region is left on by boiling hot base material.
2. variable blocking film according to claim 1, wherein, the gum layer is thermoplastic polyester hot melt adhesive, acrylic acid
One or more in resin, EVA hot melt adhesives or rubber based hot melt glue are coated as glue.
3. variable blocking film according to claim 1 or 2, wherein, the softening temperature of the glue is 70-100 DEG C.
4. variable blocking film according to claim 1 or 2, wherein, the thickness of the gum layer is 1.0-10 microns.
5. variable blocking film according to claim 1 or 2, wherein, the substrate layer preferred thickness is 12-30 microns
PET material.
6. variable blocking film according to claim 1 or 2, wherein, the preferred oxidized polyethylene wax of the release layer, paraffin,
One or more coatings in montanin wax and Brazil wax form, 0.01-0.1 microns of coating thickness.
7. variable blocking film according to claim 1 or 2, wherein, the imaging layer preferred acrylate resin material applies
Cloth forms, 0.8-1.8 microns of coating thickness.
8. variable blocking film according to claim 1 or 2, wherein, 20~60nm's of the metallic reflector preferred thickness
Aluminium lamination.
9. variable blocking film according to claim 1 or 2, wherein, the metallic reflector is deposited on into by Vacuum Deposition
As the surface of layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721186142.7U CN207224882U (en) | 2017-09-15 | 2017-09-15 | A kind of variable blocking film |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721186142.7U CN207224882U (en) | 2017-09-15 | 2017-09-15 | A kind of variable blocking film |
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| CN207224882U true CN207224882U (en) | 2018-04-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050134A (en) * | 2018-07-02 | 2018-12-21 | 武汉华工图像技术开发有限公司 | Holographic gold stamping film, holographic water transfer marble paper and preparation method thereof |
| CN110641173A (en) * | 2019-10-14 | 2020-01-03 | 刘静 | Digital thermal transfer printing positioning gold stamping method |
| CN117025122A (en) * | 2023-10-08 | 2023-11-10 | 汕头市恒顺包装材料有限公司 | Lens cold-stamping film and preparation method thereof |
-
2017
- 2017-09-15 CN CN201721186142.7U patent/CN207224882U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050134A (en) * | 2018-07-02 | 2018-12-21 | 武汉华工图像技术开发有限公司 | Holographic gold stamping film, holographic water transfer marble paper and preparation method thereof |
| CN110641173A (en) * | 2019-10-14 | 2020-01-03 | 刘静 | Digital thermal transfer printing positioning gold stamping method |
| CN110641173B (en) * | 2019-10-14 | 2021-01-26 | 绍兴阳真数码科技有限公司 | Digital thermal transfer printing positioning gold stamping method |
| CN117025122A (en) * | 2023-10-08 | 2023-11-10 | 汕头市恒顺包装材料有限公司 | Lens cold-stamping film and preparation method thereof |
| CN117025122B (en) * | 2023-10-08 | 2024-02-06 | 汕头市恒顺包装材料有限公司 | Lens cold-stamping film and preparation method thereof |
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