CN106739629A - A kind of laser holographic anti-counterfeiting film - Google Patents
A kind of laser holographic anti-counterfeiting film Download PDFInfo
- Publication number
- CN106739629A CN106739629A CN201610984692.7A CN201610984692A CN106739629A CN 106739629 A CN106739629 A CN 106739629A CN 201610984692 A CN201610984692 A CN 201610984692A CN 106739629 A CN106739629 A CN 106739629A
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- Prior art keywords
- counterfeiting film
- laser holographic
- holographic anti
- layer
- base material
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- 239000010410 layer Substances 0.000 claims abstract description 102
- 239000003822 epoxy resin Substances 0.000 claims abstract description 44
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 44
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims abstract description 39
- 239000003094 microcapsule Substances 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 239000004831 Hot glue Substances 0.000 claims abstract description 23
- 206010011732 Cyst Diseases 0.000 claims abstract description 19
- 208000031513 cyst Diseases 0.000 claims abstract description 19
- 210000002469 basement membrane Anatomy 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 11
- 230000008569 process Effects 0.000 claims abstract description 10
- -1 Dicyandiamide class compound Chemical class 0.000 claims description 14
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 claims description 10
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 10
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 10
- 229940042795 hydrazides for tuberculosis treatment Drugs 0.000 claims description 9
- 239000012948 isocyanate Substances 0.000 claims description 9
- 150000002513 isocyanates Chemical class 0.000 claims description 9
- 150000008614 2-methylimidazoles Chemical class 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 5
- FJKROLUGYXJWQN-UHFFFAOYSA-N 4-hydroxybenzoic acid Chemical compound OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 claims description 4
- 238000004049 embossing Methods 0.000 claims description 4
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 4
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 4
- ALEBYBVYXQTORU-UHFFFAOYSA-N 6-hydrazinyl-6-oxohexanoic acid Chemical class NNC(=O)CCCCC(O)=O ALEBYBVYXQTORU-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- XRNSUHLEVOUTDT-UHFFFAOYSA-N 10-hydrazinyl-10-oxodecanoic acid Chemical class NNC(=O)CCCCCCCCC(O)=O XRNSUHLEVOUTDT-UHFFFAOYSA-N 0.000 claims description 2
- YTWBFUCJVWKCCK-UHFFFAOYSA-N 2-heptadecyl-1h-imidazole Chemical class CCCCCCCCCCCCCCCCCC1=NC=CN1 YTWBFUCJVWKCCK-UHFFFAOYSA-N 0.000 claims description 2
- 229940090248 4-hydroxybenzoic acid Drugs 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims description 2
- 150000007524 organic acids Chemical class 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 229960005137 succinic acid Drugs 0.000 claims description 2
- 240000000203 Salix gracilistyla Species 0.000 claims 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims 1
- 238000012546 transfer Methods 0.000 abstract description 10
- 229920001169 thermoplastic Polymers 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 2
- 239000004416 thermosoftening plastic Substances 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000004132 cross linking Methods 0.000 abstract 1
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- 238000000576 coating method Methods 0.000 description 51
- 239000011248 coating agent Substances 0.000 description 43
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 42
- 238000001723 curing Methods 0.000 description 34
- 239000002002 slurry Substances 0.000 description 24
- 239000000203 mixture Substances 0.000 description 19
- 238000005457 optimization Methods 0.000 description 14
- 239000004411 aluminium Substances 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 9
- 239000006185 dispersion Substances 0.000 description 9
- 238000003475 lamination Methods 0.000 description 9
- 238000000465 moulding Methods 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 8
- 238000004804 winding Methods 0.000 description 8
- 239000005058 Isophorone diisocyanate Substances 0.000 description 6
- 239000004698 Polyethylene Substances 0.000 description 6
- 239000010426 asphalt Substances 0.000 description 6
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 229920000573 polyethylene Polymers 0.000 description 6
- 239000003595 mist Substances 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 4
- NWGKJDSIEKMTRX-AAZCQSIUSA-N Sorbitan monooleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O NWGKJDSIEKMTRX-AAZCQSIUSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- XSXYESVZDBAKKT-UHFFFAOYSA-N 2-hydroxybenzohydrazide Chemical class NNC(=O)C1=CC=CC=C1O XSXYESVZDBAKKT-UHFFFAOYSA-N 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004945 emulsification Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- LXBGSDVWAMZHDD-UHFFFAOYSA-N 2-methyl-1h-imidazole Chemical compound CC1=NC=CN1 LXBGSDVWAMZHDD-UHFFFAOYSA-N 0.000 description 1
- XRMBRQWBOICYRP-UHFFFAOYSA-N 4-hydrazinyl-4-oxobutanoic acid Chemical class NNC(=O)CCC(O)=O XRMBRQWBOICYRP-UHFFFAOYSA-N 0.000 description 1
- XLJMAIOERFSOGZ-UHFFFAOYSA-N anhydrous cyanic acid Natural products OC#N XLJMAIOERFSOGZ-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 150000003851 azoles Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000013270 controlled release Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001093 holography Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000001029 thermal curing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/36—Identification or security features, e.g. for preventing forgery comprising special materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/40—Manufacture
- B42D25/45—Associating two or more layers
- B42D25/46—Associating two or more layers using pressure
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Holo Graphy (AREA)
Abstract
Association area is prepared the invention belongs to holographic false proof material, and disclose a kind of laser holographic anti-counterfeiting film, it includes the basement membrane, release layer, Information Level, reflecting layer and the hot melt adhesive layer that stack gradually, wherein the Information Level by epoxy resin etc base material and be dispersed in its internal large quantity of micro-capsule body and constitute, and the capsule-core of the microcapsules is made up of the agent that is heating and curing, for crosslinking reaction in mold process and epoxy resin, and then cause the solidification of holographic relief pattern；The cyst wall is then used to be come in contact between blocking capsule-core and base material before stamping.By means of the invention it is possible to effectively solve thermoplastic holographic's anti false film multiple defects, and can obtain close to 100% high accuracy Copy Info, be not heated transfer operating mode influence and be easy to for a long time preserve and maintain the anti-fraud functional holographic laser film product of high-quality.
Description
Technical field
Association area is prepared the invention belongs to holographic false proof material, more particularly, to a kind of laser holographic anti-counterfeiting film.
Background technology
With the appearance of laser holographic molding technology so that low-cost, high-volume manufacture hologram is achieved.Existing skill
Laser holographic anti-counterfeiting film in art is typically made up of the basement membrane, release layer, Information Level, reflecting layer and the hot melt adhesive layer that stack gradually.
Wherein Information Level generally uses thermoplastic polymer coating, and thus under uniform temperature and pressure condition, the coating is become by heat
Be stamped in embossing pattern on metal die on coating or aluminium lamination by shape；In heat transfer, film strips from release layer by basement membrane and
Information Level is separated, and then is transferred to sample surfaces.For example, in CN200710042226.8, CN201110349711.6 and
In many parts of patents of US7824822B, each disclose about the material composition of thermoplasticity image layer and the explanation such as preparation technology.
However, further investigations have shown that, for the laser holographic anti-counterfeiting film figure that above-mentioned use thermoplastic polymer is formed
As for layer, however it remains defect or deficiency below：First, the characteristic of thermoplastic polymer can cause to be overshooted in heating and mould pressing
It is middle that elasticity recovery occurs, and the problem of information duplication degree reduction may be caused；Secondly, in heat transfer process, Information Level is same
Uncontrollable deformation may occur and cause to send out mist phenomenon, this is especially apparent under temperature operating mode higher；Finally, when heat is shifted
After the completion of, thermoplastic Information Level is directly exposed to the external world, and not only wearability is poor, and easy generation pattern after storage for a long time
Wear and tear and be heated the phenomenons such as distortion, cause anti false film to be difficult to high accuracy, meet the particular demands of holographic false proof in high quality.
The content of the invention
For more than prior art not enough or Improvement requirement, the invention provides a kind of laser holographic anti-counterfeiting film, wherein
By combining the structure of laser holographic anti-counterfeiting film and its applying feature, pointedly the composition to its Information Level is constructed, acts on machine
The aspect such as reason and specific material is studied, while further optimization design is made to some supporting key structural parameters,
The above mentioned problem of prior art accordingly can not only be effectively solved, and can be obtained close to 100% high accuracy Copy Info, not received
Heat transfer operating mode influences and is easy to preserve for a long time and maintains the anti-fraud functional holographic laser film of high-quality, and is particularly suited for micro-
The microstructure of for example interference sinusoidal structured, the trapezoidal and triangle of rice magnitude etc.
To achieve the above object, it is proposed, according to the invention, there is provided a kind of laser holographic anti-counterfeiting film, the laser holographic anti-counterfeiting film bag
Include basement membrane, release layer, Information Level, reflecting layer and the hot melt adhesive layer for stacking gradually, it is characterised in that：
The polymer of the base material by epoxy resin or containing epoxy resin of described information layer is made, and inside the base material
Scattering device has substantial amounts of microcapsules；Each microcapsules is collectively constituted by the capsule-core being wrapped in cyst wall, wherein the capsule-core
By being heating and curing, agent is constituted, and is handed over for there is heat with the base material after cyst wall is heated pressure life rupture in hot embossing process
Connection reaction, and then cause that the holographic relief pattern for being carried on this base material is solidified；The cyst wall is then used to hinder before thermal transfer
It is disconnected to be come in contact between capsule-core and the base material.
Conceive more than, be primarily due to replace with the Information Level of laser holographic anti-counterfeiting film by thermoplasticity material and possess heat
The material of curable type characteristic, even if so not only working temperature is very high in heat transfer process, will not also cause the holography of Information Level
There is hair mist phenomenon but further sharpening in embossing pattern, and be not easy to elastic recovery after being separated with nickel version, institute
Obtained sample shows that approximate 100% high accuracy nickel plate information can be obtained；On the other hand, on the basis of above basic conception
On, the technological means as curing agent controlled release using microcapsules is have also been devised in the present invention, more actual test shows,
This is designed to obtain good high accuracy effect for the holographic anti-counterfeiting film of all kinds of complex patterns and specification, and in operation
When be easy to perform quality control and improve efficiency, be therefore particularly suitable for interference sine wave, the build and three of for example micron dimension
The heavy industrialization of the microstructure such as angular quotes occasion.
Used as present invention further optimization scheme, each described microcapsules is sized to 0.5 μm~5 μm,
More preferably 0.8 μm~2 μm.
Used as present invention further optimization scheme, the capsule-core is made up of the agent that is heating and curing, and described is heating and curing
Agent is selected from any one in following material or its combination：Dicyandiamide class compound, organic acid hydrazide kind compound, lewis' acid
Complex compound, glyoxaline compound, and amine and modified amine compounds.
As present invention further optimization scheme, any one or its that the agent that is heating and curing is selected from following material
Combination：Butanedioic acid hydrazides, adipic acid hydrazides, decanedioic acid hydrazides, M-phthalic acid hydrazides, salicylic acid hydrazides and fragrant to hydroxybenzoate
Sour hydrazides.
As present invention further optimization scheme, any one or its that the agent that is heating and curing is selected from following material
Combination：2-methylimidazole, 1- itrile groups -2-ethyl-4-methylimidazole, 2- heptadecyl imidazoles.
Used as present invention further optimization scheme, the cyst wall of the microcapsules is preferably made up of isocyanates；Additionally,
The thickness of the cyst wall is set as 0.2 μm~0.8 μm, so as to be engaged with the capsule-core of the above-mentioned type and dimensions, and
Good rupture controllability is provided.
As present invention further optimization scheme, for each described microcapsules, wherein described be heating and curing
Weight ratio between agent and the base material is preferably set to 5~50:50~95, more preferably 10~25:75~90.
Used as present invention further optimization scheme, the integral thickness of above- mentioned information layer is set to 2 μm~10 μm, enters one
Step is preferably 2 μm~5 μm.
Used as present invention further optimization scheme, above-mentioned microcapsules are inside the base material in uneven grain degree
Dispersion, and lower from center to both sides relative to described information layer from tamped density.
Used as present invention further optimization scheme, the basement membrane is preferably by pet material system
Into, and its thickness is 12 μm~30 μm.
As present invention further optimization scheme, the release layer preferably by it is waxed into, and its thickness be 0.1 μm~
1μm。
Used as present invention further optimization scheme, the hot melt adhesive layer is preferably by ethylene-vinyl acetate or butylbenzene
Rubber is made.
Used as present invention further optimization scheme, the holographic relief pattern that above- mentioned information layer is carried is preferably micron amount
The interference sine wave of level, triangle, the microstructure such as trapezoidal.
In general, possess following compared with prior art, mainly according to the above technical scheme constructed by the present invention
Technological merit：
1st, the Information Level of laser holographic anti-counterfeiting film is made by selecting heat curing-type material, so in heat transfer process i.e.
Just working temperature is very high, will not also cause the holographic relief pattern of Information Level hair mist phenomenon to occur but further sharpening；This
Outer to be not easy to elastic recovery after being separated with nickel version, obtained sample shows that approximate 100% high accuracy nickel can be obtained
Plate information；
2nd, the present invention is by using the combination thinking of epoxy resin and the agent that is heating and curing and especially designing microcapsules
Executive meanses control the curing agent to discharge process, and more actual test shows, can be performed preferably in heat transfer process
Quality control, raising process efficiency and operation difficulty, and for the holographic anti-counterfeiting film of current all kinds of complex patterns and specification
Obtain good high accuracy effect；
3rd, charge ratio, the chi of special some Key Performance Indicators such as microcapsules to Information Level each component are gone back in the present invention
Particular type of very little specification, wall thickness and curing agent etc. has carried out further optimization design, above-mentioned manufacture craft and pass
Key performance parameter helps further to play the mechanism effect of curing agent hand heat release, simultaneously for the duplication in heat transfer process
The aspects such as the pattern stability after the completion of reduction degree and heat transfer play Beneficial Effect；
4th, according to laser holographic anti-counterfeiting film compact overall structure of the invention, it is easy to processing and fabricating, can be in existing production mould
Direct upgrading on the basis of tool, the advantages of being provided simultaneously with that accuracy of repetition is high, hair mist and good long-term preservability can be avoided, and especially
Suitable for the processed and applied occasion for interfering the microstructure such as sine wave, triangle, trapezoidal of micron dimension.
Brief description of the drawings
Fig. 1 is according to the overall structure sectional view of the laser holographic anti-counterfeiting film constructed by the present invention.
In all of the figs, identical reference be used for represent identical element or structure, wherein：
1- basement membrane 2- release layer 3- Information Level 4- reflecting layer 5- hot melt adhesive layers
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as additionally, technical characteristic involved in invention described below each implementation method
Not constituting conflict each other can just be mutually combined.
Embodiment 1
Release layer slurry (oxidic polyethylene is coated on the PET base film that thickness is 19 microns by reticulate pattern roll-coater
Wax is with toluene by weight 1:99.5 prepare), then at 80-150 DEG C, the coating of 100m/min speed.
Then, Information Level is coated with above-mentioned release layer, specially at 80-150 DEG C, 80m/min coatings obtain thickness
It is 5 microns of Information Level.Wherein, above- mentioned information layer is covered by the epoxy resin layer in microcapsules for curing agent：Asphalt mixtures modified by epoxy resin
Fat can use epoxy resin E-20, its Toluene-2,4-diisocyanate for including 1.7wt%, 4- diisocyanate, 2.4wt%2- methylimidazoles,
5.4%wt E-44 epoxy resin, the epoxy resin of 90.5wt%；The overall dimensions of microcapsules are 0.8 micron, its cyst wall
It is made up of isocyanates, its thickness is 0.4 micron, the capsule-core selection that its inner dispersion is set constitutes conduct and adds by adipic acid hydrazides
Thermal curing agents, and the weight ratio being heating and curing between agent and base material is 25:75.
Then, on moulding press, under 100 DEG C and 1.0MPa pressure conditions, Information Level is molded with the speed of 25m/min
Surface, forms the interference sine wave hologram pattern of for example micron dimension on an information layer.Then, using vacuum roll coater,
Under winding speed 200-300m/min the aluminium lamination that thickness is 380 angstroms is plated in the information layer surface with hologram pattern.
Finally, in above-mentioned reflection layer surface coating hot-melt adhesive slurry (mixture of ethylene-vinyl acetate and toluene, weight
Amount is than being 20:80), on the basis of the information coating gross weight of required coating, the hot melt adhesive layer slurry weight is 20wt%,
30s is dried at 100 DEG C and obtains coating weight for 1.5g/m2Holographic film.Take basement membrane and release layer off, obtain with hologram pattern
Finished product.
Embodiment 2
(the 1wt% emulsifications of release layer slurry are coated on the PET base film that thickness is 12 microns by reticulate pattern roll-coater
Wax), then at 80-150 DEG C, the coating of 100m/min speed obtains the release layer of 0.08 micron thickness.
Then, Information Level is coated with above-mentioned release layer, specially at 80-150 DEG C, 80m/min coatings obtain thickness
It is 2 microns of Information Level.Wherein, above- mentioned information layer is covered by the epoxy resin layer in microcapsules for curing agent：Asphalt mixtures modified by epoxy resin
Fat can use epoxy resin E-20, its Toluene-2,4-diisocyanate for including 1.7wt%, 4- diisocyanate, 2.4wt%2- methylimidazoles,
5.4%wt E-44 epoxy resin, the epoxy resin of 90.5wt%；The overall dimensions of microcapsules be 1 micron, its cyst wall by
Isocyanates is constituted, and its thickness is 0.2 micron, and the capsule-core selection that its inner dispersion is set is by salicylic acid hydrazides as being heating and curing
Agent, and the weight ratio being heating and curing between agent and base material is 20:80.
Then, on moulding press, under 150 DEG C and 0.6MPa pressure conditions, Information Level is molded with the speed of 25m/min
Surface, forms the interference sine wave hologram pattern of for example micron dimension on an information layer.Then, using vacuum roll coater,
Under winding speed 200-300m/min the aluminium lamination that thickness is 380 angstroms is plated in the information layer surface with hologram pattern.
Finally, in above-mentioned reflection layer surface coating hot-melt adhesive slurry (mixture of ethylene-vinyl acetate and toluene, weight
Amount is than being 20:80), on the basis of the information coating gross weight of required coating, the hot melt adhesive layer slurry weight is 20wt%,
30s is dried at 100 DEG C and obtains coating weight for 1.5g/m2Holographic film.Take basement membrane and release layer off, obtain with hologram pattern
Finished product.
Embodiment 3
Release layer slurry (oxidic polyethylene is coated on the PET base film that thickness is 50 microns by reticulate pattern roll-coater
Wax is with toluene by weight 1:99.5 prepare), then at 80-150 DEG C, the coating of 100m/min speed.
Then, Information Level is coated with above-mentioned release layer, specially at 80-150 DEG C, 80m/min coatings obtain thickness
It is 6.5 microns of Information Level.Wherein, above- mentioned information layer is covered by the epoxy resin layer in microcapsules for curing agent：Epoxy
Resin can use epoxy resin E-20, its Toluene-2,4-diisocyanate for including 1.7wt%, 4- diisocyanate, 2.4wt%2- methylimidazoles,
5.4%wt E-44 epoxy resin, the epoxy resin of 90.5wt%；The overall dimensions of microcapsules are 0.8 micron, its cyst wall
It is made up of isocyanates, its thickness is 0.6 micron, and the capsule-core that its inner dispersion is set is selected by Para Hydroxy Benzoic Acid hydrazides group
Into as the agent that is heating and curing, and the weight ratio being heating and curing between agent and base material is 12.5:87.5.
Then, on moulding press, under 100 DEG C and 1.0MPa pressure conditions, Information Level is molded with the speed of 25m/min
Surface, forms the trapezoidal hologram pattern of for example micron dimension on an information layer.Then, using vacuum roll coater, winding speed
Under degree 200-300m/min the aluminium lamination that thickness is 380 angstroms is plated in the information layer surface with hologram pattern.
Finally, in above-mentioned reflection layer surface coating hot-melt adhesive slurry (mixture of ethylene-vinyl acetate and toluene, weight
Amount is than being 20:80), on the basis of the information coating gross weight of required coating, the hot melt adhesive layer slurry weight is 20wt%,
30s is dried at 100 DEG C and obtains coating weight for 1.5g/m2Holographic film.Take basement membrane and release layer off, obtain with hologram pattern
Finished product.
Embodiment 4
(the 1wt% emulsifications of release layer slurry are coated on the PET base film that thickness is 30 microns by reticulate pattern roll-coater
Wax), then at 80-150 DEG C, the coating of 100m/min speed.
Then, Information Level is coated with above-mentioned release layer, specially at 80-150 DEG C, 80m/min coatings obtain thickness
It is 5 microns of Information Level.Wherein, above- mentioned information layer is covered by the epoxy resin layer in microcapsules for curing agent：Asphalt mixtures modified by epoxy resin
Fat can use epoxy resin 601, IPDI (IPDI), 6.0wt% diamino-diphenyls that it includes 1wt%
Methane, 9%wt E-44 epoxy resin, 1wt%Span-80, the epoxy resin of 83wt%；The overall dimensions of microcapsules are 0.5
Micron, its cyst wall is made up of isocyanates, and its thickness is 0.2 micron, the capsule-core selection that its inner dispersion is set by 1- itrile groups-
2-ethyl-4-methylimidazole composition is used as the agent that is heating and curing, and the weight ratio being heating and curing between agent and base material is 10:
90。
Then, on moulding press, under 100 DEG C and 1.0MPa pressure conditions, Information Level is molded with the speed of 25m/min
Surface, forms the trapezoidal hologram pattern of for example micron dimension on an information layer.Then, using vacuum roll coater, winding speed
Under degree 200-300m/min the aluminium lamination that thickness is 380 angstroms is plated in the information layer surface with hologram pattern.
Finally, in above-mentioned reflection layer surface coating hot-melt adhesive slurry (mixture of ethylene-vinyl acetate and toluene, weight
Amount is than being 20:80), on the basis of the information coating gross weight of required coating, the hot melt adhesive layer slurry weight is 20wt%,
30s is dried at 100 DEG C and obtains coating weight for 1.5g/m2Holographic film.Take basement membrane and release layer off, obtain with hologram pattern
Finished product.
Embodiment 5
Release layer slurry (oxidic polyethylene is coated on the PET base film that thickness is 19 microns by reticulate pattern roll-coater
Wax is with toluene by weight 1:99.5 prepare), then at 80-150 DEG C, the coating of 100m/min speed.
Then, Information Level is coated with above-mentioned release layer, specially at 80-150 DEG C, 80m/min coatings obtain thickness
It is 10 microns of Information Level.Wherein, above- mentioned information layer is covered by the epoxy resin layer in microcapsules for curing agent：Asphalt mixtures modified by epoxy resin
Fat can use epoxy resin 601, IPDI (IPDI), 6.0wt% diamino-diphenyls that it includes 1wt%
Methane, 9%wt E-44 epoxy resin, 1wt%Span-80, the epoxy resin of 83wt%；The overall dimensions of microcapsules are 5 micro-
Rice, its cyst wall is made up of isocyanates, and its thickness is 0.8 micron, and the capsule-core that its inner dispersion is set is selected by 2- methyl miaows
Azoles composition is used as the agent that is heating and curing, and the weight ratio being heating and curing between agent and base material is 50:50.
Then, on moulding press, under 100 DEG C and 1.0MPa pressure conditions, Information Level is molded with the speed of 25m/min
Surface, forms the interference sine wave hologram pattern of for example micron dimension on an information layer.Then, using vacuum roll coater,
Under winding speed 200-300m/min the aluminium lamination that thickness is 380 angstroms is plated in the information layer surface with hologram pattern.
Finally, in above-mentioned reflection layer surface coating hot-melt adhesive slurry (mixture of ethylene-vinyl acetate and toluene, weight
Amount is than being 20:80), on the basis of the information coating gross weight of required coating, the hot melt adhesive layer slurry weight is 20wt%,
30s is dried at 100 DEG C and obtains coating weight for 1.5g/m2Holographic film.Take basement membrane and release layer off, obtain with hologram pattern
Finished product.
Embodiment 6
Release layer slurry (oxidic polyethylene is coated on the PET base film that thickness is 12 microns by reticulate pattern roll-coater
Wax is with toluene by weight 1:99.5 prepare), then at 80-150 DEG C, the coating of 100m/min speed.
Then, Information Level is coated with above-mentioned release layer, specially at 80-150 DEG C, 80m/min coatings obtain thickness
It is 5 microns of Information Level.Wherein, above- mentioned information layer is covered by the epoxy resin layer in microcapsules for curing agent：Its middle ring
Oxygen tree lipid layer is made up of simple epoxide resin material, and the overall dimensions of microcapsules are 1.5 microns, and its cyst wall is by isocyanic acid
Ester is constituted, and its thickness is 0.65 micron, and the capsule-core selection that its inner dispersion is set is made up of as heating lewis' acid complex compound
Curing agent, and the weight ratio being heating and curing between agent and base material is 25:75.
Then, on moulding press, under 100 DEG C and 1.0MPa pressure conditions, Information Level is molded with the speed of 25m/min
Surface, forms the interference sine wave hologram pattern of for example micron dimension on an information layer.Then, using vacuum roll coater,
Under winding speed 200-300m/min the aluminium lamination that thickness is 380 angstroms is plated in the information layer surface with hologram pattern.
Finally, in above-mentioned reflection layer surface coating hot-melt adhesive slurry (mixture of ethylene-vinyl acetate and toluene, weight
Amount is than being 20:80), on the basis of the information coating gross weight of required coating, the hot melt adhesive layer slurry weight is 20wt%,
30s is dried at 100 DEG C and obtains coating weight for 1.5g/m2Holographic film.Take basement membrane and release layer off, obtain with hologram pattern
Finished product.
Embodiment 7
Release layer slurry (oxidic polyethylene is coated on the PET base film that thickness is 35 microns by reticulate pattern roll-coater
Wax is with toluene by weight 1:99.5 prepare), then at 80-150 DEG C, the coating of 100m/min speed.
Then, Information Level is coated with above-mentioned release layer, specially at 80-150 DEG C, 80m/min coatings obtain thickness
It is 3 microns of Information Level.Wherein, above- mentioned information layer is covered by the epoxy resin layer in microcapsules for curing agent：Asphalt mixtures modified by epoxy resin
Fat can use epoxy resin E-20, its Toluene-2,4-diisocyanate for including 1.7wt%, 4- diisocyanate, 2.4wt%2- methylimidazoles,
5.4%wt E-44 epoxy resin, the epoxy resin of 90.5wt%；The overall dimensions of microcapsules are 0.65 micron, its cyst wall
It is made up of isocyanates, its thickness is 0.3 micron, the capsule-core selection that its inner dispersion is set constitutes conduct by modified amine compounds
Be heating and curing agent, and the weight ratio being heating and curing between agent and base material is 5:95.
Then, on moulding press, under 100 DEG C and 1.0MPa pressure conditions, Information Level is molded with the speed of 25m/min
Surface, forms the triangle hologram pattern of for example micron dimension on an information layer.Then, using vacuum roll coater, winding
Under speed 200-300m/min the aluminium lamination that thickness is 380 angstroms is plated in the information layer surface with hologram pattern.
Finally, in above-mentioned reflection layer surface coating hot-melt adhesive slurry (mixture of ethylene-vinyl acetate and toluene, weight
Amount is than being 20:80), on the basis of the information coating gross weight of required coating, the hot melt adhesive layer slurry weight is 20wt%,
30s is dried at 100 DEG C and obtains coating weight for 1.5g/m2Holographic film.Take basement membrane and release layer off, obtain with hologram pattern
Finished product.
Embodiment 8
Release layer slurry (oxidic polyethylene is coated on the PET base film that thickness is 23 microns by reticulate pattern roll-coater
Wax is with toluene by weight 1:99.5 prepare), then at 80-150 DEG C, the coating of 100m/min speed.
Then, Information Level is coated with above-mentioned release layer, specially at 80-150 DEG C, 80m/min coatings obtain thickness
It is 8 microns of Information Level.Wherein, above- mentioned information layer is covered by the epoxy resin layer in microcapsules for curing agent：Asphalt mixtures modified by epoxy resin
Fat can use epoxy resin 601, IPDI (IPDI), 6.0wt% diamino-diphenyls that it includes 1wt%
Methane, 9%wt E-44 epoxy resin, 1wt%Span-80, the epoxy resin of 83wt%；The overall dimensions of microcapsules are 3.5
Micron, its cyst wall is made up of isocyanates, and its thickness is 0.8 micron, and the capsule-core that its inner dispersion is set is selected by butanedioic acid
Hydrazides composition is used as the agent that is heating and curing, and the weight ratio being heating and curing between agent and base material is 25:75.
Then, on moulding press, under 100 DEG C and 1.0MPa pressure conditions, Information Level is molded with the speed of 25m/min
Surface, forms the interference sine wave hologram pattern of for example micron dimension on an information layer.Then, using vacuum roll coater,
Under winding speed 200-300m/min the aluminium lamination that thickness is 380 angstroms is plated in the information layer surface with hologram pattern.
Finally, in above-mentioned reflection layer surface coating hot-melt adhesive slurry (mixture of ethylene-vinyl acetate and toluene, weight
Amount is than being 20:80), on the basis of the information coating gross weight of required coating, the hot melt adhesive layer slurry weight is 20wt%,
30s is dried at 100 DEG C and obtains coating weight for 1.5g/m2Holographic film.Take basement membrane and release layer off, obtain with hologram pattern
Finished product.
As it will be easily appreciated by one skilled in the art that the foregoing is only presently preferred embodiments of the present invention, it is not used to
The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc., all should include
Within protection scope of the present invention.
Claims (10)
1. a kind of laser holographic anti-counterfeiting film, the laser holographic anti-counterfeiting film includes the basement membrane (1), release layer (2), the information that stack gradually
Layer (3), reflecting layer (4) and hot melt adhesive layer (5), it is characterised in that：
The polymer of the base material by epoxy resin or containing epoxy resin of described information layer (3) is made, and inside the base material
Scattering device has substantial amounts of microcapsules；Each microcapsules is collectively constituted by the capsule-core being wrapped in cyst wall, wherein the capsule-core
By being heating and curing, agent is constituted, and is handed over for there is heat with the base material after cyst wall is heated pressure life rupture in hot embossing process
Connection reaction, and then cause that the holographic relief pattern for being carried on this base material is solidified；The cyst wall is then used to block before stamping
Come in contact between capsule-core and the base material.
2. laser holographic anti-counterfeiting film as claimed in claim 1, it is characterised in that the size quilt of each microcapsules (32)
It is set as 0.5 μm~5 μm, more preferably 0.8 μm~2 μm.
3. laser holographic anti-counterfeiting film as claimed in claim 1 or 2, it is characterised in that the capsule-core is made up of the agent that is heating and curing,
And the curing agent is selected from any one in following material or its combination：Dicyandiamide class compound, organic acid hydrazides class
Compound, lewis' acid complex compound, glyoxaline compound, and amine and modified amine compounds.
4. laser holographic anti-counterfeiting film as claimed in claim 3, it is characterised in that the agent that is heating and curing is further selected from following
Any one in material or its combination：Butanedioic acid hydrazides, adipic acid hydrazides, decanedioic acid hydrazides, M-phthalic acid hydrazides, bigcatkin willow
Sour hydrazides and to Para Hydroxy Benzoic Acid hydrazides；Or it is further selected from any one in following material or its combination：2- methyl
Imidazoles, 1- itrile groups -2-ethyl-4-methylimidazole, 2- heptadecyl imidazoles.
5. the laser holographic anti-counterfeiting film as described in claim 1-4 any one, it is characterised in that the cyst wall of the microcapsules
It is preferred that being made up of isocyanates.
6. the laser holographic anti-counterfeiting film as described in claim 1-5 any one, it is characterised in that the thickness setting of the cyst wall
It is 0.2 μm~0.8 μm.
7. laser holographic anti-counterfeiting film as claimed in any one of claims 1 to 6, it is characterised in that for microcapsules each described
For body, wherein the weight ratio being heating and curing between agent and the base material is preferably set to 5~50:50~95, enter one
Step is preferably 10~25:75~90.
8. the laser holographic anti-counterfeiting film as described in claim 1-7 any one, it is characterised in that above- mentioned information layer it is overall thick
Degree is set to 2 μm~10 μm, more preferably 2 μm~5 μm.
9. the laser holographic anti-counterfeiting film as described in claim 1-8 any one, it is characterised in that the basement membrane is preferably by poly- right
PET material is made, and its thickness is 12 μm~30 μm.
10. the laser holographic anti-counterfeiting film as described in claim 1-9 any one, it is characterised in that the hot melt adhesive layer (5) is excellent
Choosing is made up of ethylene-vinyl acetate or butadiene-styrene rubber.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115746369A (en) * | 2022-12-08 | 2023-03-07 | 福建新启兴防伪科技有限公司 | Laser anti-counterfeiting film production process |
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