CN208993326U - A kind of holographic anti-counterfeiting hot stamping film and its antifake certificate card - Google Patents
A kind of holographic anti-counterfeiting hot stamping film and its antifake certificate card Download PDFInfo
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- CN208993326U CN208993326U CN201821454544.5U CN201821454544U CN208993326U CN 208993326 U CN208993326 U CN 208993326U CN 201821454544 U CN201821454544 U CN 201821454544U CN 208993326 U CN208993326 U CN 208993326U
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Abstract
A kind of holographic anti-counterfeiting hot stamping film and its antifake certificate card, are related to gold stamping field of anti-counterfeit technology.The holographic anti-counterfeiting hot stamping film of the utility model embodiment includes the base membrane layer for being sequentially overlapped setting from the bottom to top, release layer, imaging layer, coating and glue-line, release layer is wear resistant resin type release layer, release layer and imaging layer are additionally provided with wearing layer, wearing layer with a thickness of 1-1.5 μm, the holographic anti-counterfeiting hot stamping film had both had good holographic false proof, there is excellent wearability and thermoprint cutting property again, meet card, high-end daily chemical product packs the requirement of isometric service life product.The antifake certificate card of the utility model embodiment includes the card for being sequentially overlapped setting from the bottom to top, glue-line, coating, imaging layer, wearing layer and release layer, wearing layer with a thickness of 1-1.5 μm, the wearability of the antifake certificate card is good, and service life is long.
Description
Technical field
The utility model relates to gold stamping field of anti-counterfeit technology, in particular to a kind of holographic anti-counterfeiting hot stamping film and its prevent
Pseudo- card.
Background technique
Holographic anti-counterfeiting hot stamping film can be widely applied to the fields such as tobacco and wine packaging, medical packaging, daily chemical product packaging, its knot
Structure is general are as follows: base membrane layer, release layer, imaging layer, coating and glue-line.Holographic false proof is scalded in the fields such as tobacco and wine packaging and medical packaging
The performance requirement of die is mainly that aesthetics is good, and antifalsification is good, thermoprint is good, has no particular/special requirement to wearability, but for one
There is the application field of particular/special requirement to wearability a bit, common holographic anti-counterfeiting hot stamping film is then unable to satisfy this performance requirement, such as card
Surface gilding field, high-grade daily chemical product packaging field etc..The service life of card short then 3-5, long then 10-20 are used
Period is longer, and use environment is more harsh, requirement with higher for wearability.Existing part card surface thermoprint has entirely at present
Anti-fake blocking film, such as credit card are ceased, the service life of credit card is generally 3-5, the holographic false proof mark of credit card surface thermoprint
With other decorative patterns, since wearability is not strong, generally merely through the use of 1-2, holographic false proof mark or hologram pattern will
There is apparent abrasion even to fall off, to influence the use and beauty of credit card.
Chinese invention patent CN107629603A discloses wear-resisting chromatograph, the resistance to electric mill of a kind of wear-resisting chromatograph coating and formation
Change aluminium and preparation method thereof, the wearability of prepared wear-resisting anodized aluminium is up to 400 times (500g weight bearing), but the technical solution
Anodized aluminium can only be made, holographic anti-counterfeiting hot stamping film cannot be made.Because material system provided by the technical solution is although wear-resisting
Property has very big promotion, but since its hardness is higher, influences its moldability, if be molded, obtained hologram pattern is bright
It is poor to spend, and leads to that the anti-fake blocking film with good holographic effect cannot be produced using the material system.In addition, anti-in order to improve
Pseudo- blocking film wearability often uses response type cross-linked material system, this influences whether the thermoprint trimming of anti-fake blocking film again.
It is therefore desirable to develop a kind of holographic anti-counterfeiting hot stamping film for having both superior abrasion resistance, moldability and thermoprint cutting property,
To meet the performance requirement of more application fields.
Utility model content
The purpose of this utility model is to provide a kind of holographic anti-counterfeiting hot stamping films, have both had good holographic false proof,
There is excellent wearability and thermoprint cutting property again, meet card, high-end daily chemical product packs wanting for isometric service life product
It asks.
The another object of the utility model is to provide a kind of antifake certificate card, and wearability is good, and service life is long.
The embodiments of the present invention are achieved in that
A kind of holographic anti-counterfeiting hot stamping film comprising be sequentially overlapped from the bottom to top the base membrane layer of setting, release layer, imaging layer,
Coating and glue-line, release layer are wear resistant resin type release layer, and release layer and imaging layer are additionally provided with wearing layer, the thickness of wearing layer
It is 1-1.5 μm.
In the utility model preferred embodiment, the peel value of above-mentioned holographic anti-counterfeiting hot stamping film is 0.5-1N/cm.
In the utility model preferred embodiment, it is additionally provided with buffer layer between above-mentioned wearing layer and imaging layer, buffers
Layer with a thickness of 0.5-1 μm.
In the utility model preferred embodiment, above-mentioned buffer layer uses softening point for 85 DEG C -95 DEG C, Weight-average molecular
Amount is made of the butyl methacrylate copolymer of 8-10 ten thousand.
In the utility model preferred embodiment, above-mentioned wearing layer uses softening point for 115 DEG C -135 DEG C, divides equally again
Son amount is made of the methylmethacrylate copolymer of 3-5 ten thousand.
In the utility model preferred embodiment, above-mentioned base membrane layer is PET, BOPP or PVC film, with a thickness of 10-38
μm；Release layer with a thickness of 0.5-1.0 μm；Imaging layer with a thickness of 0.6-2 μm.
In the utility model preferred embodiment, it can also be zinc sulphide or silica that above-mentioned coating, which is metallic aluminum,
Transparent dielectric layer, with a thickness of 300-600 angstroms.
In the utility model preferred embodiment, the softening point of above-mentioned glue-line is 95-150 DEG C, with a thickness of 0.5-3 μm.
A kind of antifake certificate card comprising be sequentially overlapped card, glue-line, coating, imaging layer, the wearing layer of setting from the bottom to top
And release layer, wearing layer with a thickness of 1-1.5 μm.
In the utility model preferred embodiment, it is additionally provided with buffer layer between above-mentioned wearing layer and imaging layer, buffers
Layer with a thickness of 0.5-1 μm.
The beneficial effect of the utility model embodiment is: the holographic anti-counterfeiting hot stamping film of the utility model embodiment includes under
The supreme base membrane layer for being sequentially overlapped setting, release layer, imaging layer, coating and glue-line, release layer are wear resistant resin type release layer, from
Type layer and imaging layer are additionally provided with wearing layer, wearing layer with a thickness of 1-1.5 μm, which had both had good
Holographic false proof, and there is excellent wearability and thermoprint cutting property, it is isometric using week to meet card, high-end daily chemical product packaging
The requirement of phase product.The antifake certificate card of the utility model embodiment includes the card, glue-line, plating for being sequentially overlapped setting from the bottom to top
Layer, imaging layer, wearing layer and release layer, wearing layer with a thickness of 1-1.5 μm, the wearability of the antifake certificate card is good, service life
It is long.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram for holographic anti-counterfeiting hot stamping film that the utility model embodiment 1 provides；
Fig. 2 is a kind of structural schematic diagram for holographic anti-counterfeiting hot stamping film that the utility model embodiment 2-3 is provided；
Fig. 3 is a kind of structural schematic diagram for antifake certificate card that the utility model embodiment 4 provides；
Fig. 4 is a kind of structural schematic diagram for antifake certificate card that the utility model embodiment 5 provides.
Icon: 100- holographic anti-counterfeiting hot stamping film；110- base membrane layer；120- release layer；130- wearing layer；140- imaging layer；
150- coating；160- glue-line；200- holographic anti-counterfeiting hot stamping film；210- buffer layer；300- antifake certificate card；310-PVC card；
400- antifake certificate card.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation of the instructions such as term " on ", "lower", "inner", "outside"
Or positional relationship be based on the orientation or positional relationship shown in the drawings or the utility model product using when usually put
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
Embodiment 1
Fig. 1 is please referred to, the present embodiment provides a kind of holographic anti-counterfeiting hot stamping films 100 comprising is sequentially overlapped sets from the bottom to top
Base membrane layer 110, release layer 120, wearing layer 130, imaging layer 140, coating 150 and the glue-line 160 set, release layer 120 are wear-resisting
Resin type release layer 120, the peel value of holographic anti-counterfeiting hot stamping film 100 are 0.5-1N/cm.
In the present embodiment, base membrane layer 110 can be PET, BOPP or PVC film, with a thickness of 10-38 μm.Specifically, basement membrane
Layer 110 is the PET film with a thickness of 15 μm.
In the present embodiment, the thickness of release layer 120 is generally 0.5-1.0 μm.Specifically, release layer 120 with a thickness of 0.5
μm。
In the present embodiment, wearing layer 130 can be to be made of thermoplastic acrylic animi resin, and thermoplastic acrylic is set firmly
Rouge is a kind of higher methylmethacrylate copolymer of softening point, and softening point is 115 DEG C -135 DEG C, weight average molecular weight 3-
50000；The thickness of wearing layer 130 is generally 1-1.5 μm.Specifically, wearing layer 130 with a thickness of 1 μm.
In the present embodiment, imaging layer 140 be can be using thermoplastic acrylic animi resin and thermoplastic acrylic barras
It is made, thermoplastic acrylic animi resin is a kind of higher methylmethacrylate copolymer of softening point, softening point 115
DEG C -135 DEG C, weight average molecular weight is 3-5 ten thousand, and thermoplastic acrylic barras is a kind of lower butyl methacrylate of softening point
Copolymer, softening point are 85 DEG C -95 DEG C, and weight average molecular weight is 8-10 ten thousand；The thickness of imaging layer 140 is generally 0.6-2 μm.Tool
Body, imaging layer 140 with a thickness of 1 μm.
In the present embodiment, coating 150 can be metallic aluminum, can also be zinc sulphide or silica transparent dielectric layer, thickness
Generally 300-600 angstroms of degree.Specifically, coating 150 is the metallic aluminum with a thickness of 450 angstroms.
In the present embodiment, glue-line 160 can be formed for the coating drying of 160 coating of glue-line, and the softening point of glue-line 160 is 95-
150 DEG C, thickness is generally 0.5-3 μm.In the present embodiment, glue-line 160 is the hot melt adhesive with a thickness of 1 μm, softening point 115
℃。
In the other embodiments of the application, holographic anti-counterfeiting hot stamping film 100 further includes the isolation being stacked under base membrane layer 110
Layer, the material of separation layer can be methyl hydrogen silicone emulsion, separation layer with a thickness of 0.2-1 μm, in holographic anti-counterfeiting hot stamping film
When 100 coiled placement, separation layer can prevent 160 adhesion of glue-line.
The present embodiment constructs the material knot of wear resistant resin type release layer 120 and wearing layer 130 by exploitation new material system
Structure significantly improves the wear-resisting property of holographic anti-counterfeiting hot stamping film 100, and obtained blocking film had both had good decorative, holographic
Antifalsification, and have excellent wearability, meets card, high-end daily chemical product packs the requirement of isometric service life product, opens up
The application range of holographic anti-counterfeiting hot stamping film 100 is opened up.And contain a certain proportion of Hydroxylated acrylic resin in release layer 120,
Cooperate wearing layer 130 to constitute two-component curing system, the peel value of holographic anti-counterfeiting hot stamping film 100 can be made to control in 0.5~1.2N/
Cm guarantees that the holographic anti-counterfeiting hot stamping film 100 has good thermoprint trimming.
The present embodiment also provides a kind of preparation method of above-mentioned holographic anti-counterfeiting hot stamping film 100 comprising following steps:
(1) it is coated with a leafing type coating on 110 surface of base membrane layer, release layer 120 is formed, with a thickness of 0.5 μm.
(2) it is coated with wear-resistant paint on release layer 120, is typically disposed in 50-70 DEG C of environment and cures 10-16 hours, specifically
It is placed in 60 DEG C of environment and cures 12 hours, wearing layer 130 is formed, with a thickness of 1 μm.
(3) it is coated with paint for imaging on wearing layer 130, forms imaging layer 140, with a thickness of 1 μm, and is existed using moulding press
140 surface rolling holographic microstructure of imaging layer.
(4) vacuum plating makes coating 150 on imaging layer 140, with a thickness of 400 angstroms.
(5) 160 coating of coated glue layer forms glue-line 160 and has obtained holographic false proof thermoprint with a thickness of 1 μm on coating 150
Film 100.Through detecting, the wearability of the holographic anti-counterfeiting hot stamping film 100 meets the isometric use of card up to 800 times (500g weight bearing)
The requirement of cycle product.
Embodiment 2
Referring to figure 2., the present embodiment provides a kind of holographic anti-counterfeiting hot stamping films 200 comprising is sequentially overlapped sets from the bottom to top
Base membrane layer 110, release layer 120, wearing layer 130, buffer layer 210, imaging layer 140, coating 150 and the glue-line 160 set, release layer
120 be wear resistant resin type release layer 120, and the peel value of holographic anti-counterfeiting hot stamping film 200 is 0.5-1N/cm.
In the present embodiment, base membrane layer 110 is the PET film with a thickness of 19 μm.
In the present embodiment, release layer 120 with a thickness of 1 μm.
In the present embodiment, wearing layer 130 with a thickness of 1.25 μm.
It is more flexible for 210 relative wear layer 130 of buffer layer and imaging layer 140 in the present embodiment, it can be used to be connected
Wearing layer 130 and imaging layer 140 play the role of buffering stress and promote interlayer attachment, for further promoting the material bodies
The wearability of system plays remarkable effect.Buffer layer 210 is made of using thermoplastic acrylic barras, the aching and limp tree of thermoplastic propene
Rouge is a kind of lower butyl methacrylate copolymer of softening point, and softening point is 85 DEG C -95 DEG C, weight average molecular weight 8-
100000；The thickness of buffer layer 210 is generally 0.5-1 μm.Specifically, buffer layer 210 with a thickness of 0.5 μm.
In the present embodiment, imaging layer 140 with a thickness of 1.5 μm.
In the present embodiment, coating 150 is the metallic aluminum with a thickness of 300 angstroms.
In the present embodiment, glue-line 160 with a thickness of 1.5 μm, softening point is 105 DEG C.
The holographic anti-counterfeiting hot stamping film 200 of the present embodiment uses double abrasion-proof structures of release layer 120, wearing layer 130, then specially
One layer of buffer layer 210 is set to be connected wearing layer 130 and imaging layer 140, play buffering stress and promotes the work of interlayer attachment
With the wearability for further promoting the material system plays remarkable effect；And the holographic anti-counterfeiting hot stamping film of the present embodiment
200 pass through the material structure of setting release layer 120, wearing layer 130, buffer layer 210 and imaging layer 140, and adjustment holographic false proof scalds
The peel value of die 200, while significantly improving 200 wear-resisting property of holographic anti-counterfeiting hot stamping film, it is ensured that it has good
Good thermoprint trimming, solves wearability and thermoprint trimming is difficult to the technical bottleneck taken into account.
The preparation method of the holographic anti-counterfeiting hot stamping film 200 of the present embodiment is roughly the same with the preparation method of embodiment 1, different
Place is: it after forming wearing layer 130, is formed before imaging layer 140, forms buffer layer 210 on wearing layer 130, it is thick
Degree is 0.5 μm.
Embodiment 3
Referring to figure 2., the present embodiment provides a kind of holographic anti-counterfeiting hot stamping film 200, the structure of structure and embodiment 2 is substantially
It is identical, the difference is that: the coating 150 in the present embodiment is zinc sulphide transparent medium.
Embodiment 4
Referring to figure 3., the present embodiment provides a kind of antifake certificate cards 300, mainly by the holographic false proof thermoprint of embodiment 1
Film 100 and PVC card piece 310 are combined, and antifake certificate card 300 specifically includes the PVC card piece for being sequentially overlapped setting from the bottom to top
310, glue-line 160, coating 150, imaging layer 140, wearing layer 130 and release layer 120.
Antifake certificate card 300 the production method is as follows:
(1) holographic anti-counterfeiting hot stamping film 100 of embodiment 1 is made.
(2) holographic anti-counterfeiting hot stamping film 100 positioning transfer: is had to side and the PVC card piece of glue-line 160 by heat transfer
310 is compound, and the anti-counterfeiting information such as holographic false proof pattern are transferred on PVC card 310, then removes holographic anti-counterfeiting hot stamping film 100
Base membrane layer 110 obtains antifake certificate card 300.
Embodiment 5
Referring to figure 4., the present embodiment provides a kind of antifake certificate cards 400, mainly by the holographic false proof thermoprint of embodiment 2
Film 200 and PVC card piece 310 are combined, and antifake certificate card 400 specifically includes the PVC card piece for being sequentially overlapped setting from the bottom to top
310, glue-line 160, coating 150, imaging layer 140, buffer layer 210, wearing layer 130 and release layer 120.
Antifake certificate card 400 the production method is as follows:
(1) holographic anti-counterfeiting hot stamping film 200 of embodiment 2 is made.
(2) holographic anti-counterfeiting hot stamping film 200 positioning transfer: is had to side and the PVC card piece of glue-line 160 by heat transfer
310 is compound, then removes the base membrane layer 110 of holographic anti-counterfeiting hot stamping film 200, obtains antifake certificate card 400.
The properties of the holographic anti-counterfeiting hot stamping film of embodiment 1-3 are detected:
One, hot stamping effects are tested: by holographic anti-counterfeiting hot stamping film thermoprint in PVC card on piece, edge clear is qualification without incompleteness.
Two, adhesive force is tested: being drawn with 3M600 special test adhesive tape is viscous, is pulled rate≤5%.Card is bent 180 °, without de-
Phenomenon is fallen as qualification.
Three, it wear-resisting test: is tested using card wear resistant instrument weight bearing 500g.
Four, resistance to steel wool test: using 0000# steel wool, and weight bearing 500g rubs back and forth to be tested.Testing result such as following table
Shown in 1:
The properties testing result of 1 holographic anti-counterfeiting hot stamping film of table
Test result shows that the holographic anti-counterfeiting hot stamping film wearability of the utility model embodiment is significantly higher than the prior art
Commercial product, and can guarantee good adhesive force and thermoprint cutting property, it is gold stamping to be suitable for card.
In conclusion the holographic anti-counterfeiting hot stamping film of the utility model embodiment had not only had good holographic false proof, but also tool
There are excellent wearability and thermoprint cutting property, meets card, high-end daily chemical product packs the requirement of isometric service life product；This
The production process of the preparation method of the holographic anti-counterfeiting hot stamping film of utility model embodiment is simple.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of holographic anti-counterfeiting hot stamping film comprising be sequentially overlapped the base membrane layer, release layer, imaging layer, plating of setting from the bottom to top
Layer and glue-line, which is characterized in that the release layer is wear resistant resin type release layer, and the release layer and the imaging layer are also set up
Have a wearing layer, the wearing layer with a thickness of 1-1.5 μm.
2. holographic anti-counterfeiting hot stamping film according to claim 1, which is characterized in that the peel value of the holographic anti-counterfeiting hot stamping film
For 0.5-1N/cm.
3. holographic anti-counterfeiting hot stamping film according to claim 1, which is characterized in that between the wearing layer and the imaging layer
Be additionally provided with buffer layer, the buffer layer with a thickness of 0.5-1 μm.
4. holographic anti-counterfeiting hot stamping film according to claim 1, which is characterized in that the base membrane layer is PET, BOPP or PVC
Film, with a thickness of 10-38 μm；The release layer with a thickness of 0.5-1.0 μm；The imaging layer with a thickness of 0.6-2 μm.
5. holographic anti-counterfeiting hot stamping film according to claim 1, which is characterized in that the coating is metallic aluminum, can be with
For zinc sulphide or silica transparent dielectric layer, with a thickness of 300-600 angstroms.
6. holographic anti-counterfeiting hot stamping film according to claim 1, which is characterized in that the softening point of the glue-line is 95-150
DEG C, with a thickness of 0.5-3 μm.
7. a kind of antifake certificate card, which is characterized in that it includes the card for being sequentially overlapped setting from the bottom to top, glue-line, coating, imaging
Layer, wearing layer and release layer, the wearing layer with a thickness of 1-1.5 μm.
8. antifake certificate card according to claim 7, which is characterized in that also set up between the wearing layer and the imaging layer
Have a buffer layer, the buffer layer with a thickness of 0.5-1 μm.
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| CN201821454544.5U CN208993326U (en) | 2018-09-05 | 2018-09-05 | A kind of holographic anti-counterfeiting hot stamping film and its antifake certificate card |
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| CN201821454544.5U CN208993326U (en) | 2018-09-05 | 2018-09-05 | A kind of holographic anti-counterfeiting hot stamping film and its antifake certificate card |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110893732A (en) * | 2019-12-20 | 2020-03-20 | 公安部交通管理科学研究所 | Anti-fake certificate card and its making process |
| CN112497946A (en) * | 2020-11-26 | 2021-03-16 | 武汉华工图像技术开发有限公司 | Electrochemical aluminum foil and preparation method thereof |
| CN113415092A (en) * | 2021-05-24 | 2021-09-21 | 捷德(中国)科技有限公司 | Card manufacturing method and card |
| CN113752715A (en) * | 2020-06-05 | 2021-12-07 | 北京兆信信息技术股份有限公司 | Holographic anti-counterfeiting film and preparation method thereof |
| CN114407547A (en) * | 2021-12-29 | 2022-04-29 | 江苏泰佳新材料科技有限公司 | Washable anti-counterfeiting hot stamping film and preparation method thereof |
| CN114958244A (en) * | 2022-05-06 | 2022-08-30 | 扬州市祥华新材料科技有限公司 | Multi-colour anti-fake electrochemical aluminium |
| CN115157894A (en) * | 2022-07-22 | 2022-10-11 | 武汉华工图像技术开发有限公司 | Holographic anti-counterfeiting film, anti-counterfeiting certificate card and preparation method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110893732A (en) * | 2019-12-20 | 2020-03-20 | 公安部交通管理科学研究所 | Anti-fake certificate card and its making process |
| CN110893732B (en) * | 2019-12-20 | 2023-07-28 | 公安部交通管理科学研究所 | Anti-fake card and its making process |
| CN113752715A (en) * | 2020-06-05 | 2021-12-07 | 北京兆信信息技术股份有限公司 | Holographic anti-counterfeiting film and preparation method thereof |
| CN112497946A (en) * | 2020-11-26 | 2021-03-16 | 武汉华工图像技术开发有限公司 | Electrochemical aluminum foil and preparation method thereof |
| CN113415092A (en) * | 2021-05-24 | 2021-09-21 | 捷德(中国)科技有限公司 | Card manufacturing method and card |
| CN114407547A (en) * | 2021-12-29 | 2022-04-29 | 江苏泰佳新材料科技有限公司 | Washable anti-counterfeiting hot stamping film and preparation method thereof |
| CN114407547B (en) * | 2021-12-29 | 2023-03-07 | 江苏泰佳新材料科技有限公司 | Washable anti-counterfeiting hot stamping film and preparation method thereof |
| CN114958244A (en) * | 2022-05-06 | 2022-08-30 | 扬州市祥华新材料科技有限公司 | Multi-colour anti-fake electrochemical aluminium |
| CN114958244B (en) * | 2022-05-06 | 2024-01-09 | 扬州市祥华新材料科技有限公司 | Colorful anti-counterfeiting electrochemical aluminum |
| CN115157894A (en) * | 2022-07-22 | 2022-10-11 | 武汉华工图像技术开发有限公司 | Holographic anti-counterfeiting film, anti-counterfeiting certificate card and preparation method |
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