CN114806435B - Plastic packaging film and preparation method and application thereof - Google Patents
Plastic packaging film and preparation method and application thereof Download PDFInfo
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- CN114806435B CN114806435B CN202210505119.9A CN202210505119A CN114806435B CN 114806435 B CN114806435 B CN 114806435B CN 202210505119 A CN202210505119 A CN 202210505119A CN 114806435 B CN114806435 B CN 114806435B
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- 239000004033 plastic Substances 0.000 title claims abstract description 43
- 239000012785 packaging film Substances 0.000 title claims abstract description 40
- 229920006280 packaging film Polymers 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 230000003287 optical effect Effects 0.000 claims abstract description 54
- 239000010410 layer Substances 0.000 claims abstract description 51
- 238000007639 printing Methods 0.000 claims abstract description 48
- 239000003292 glue Substances 0.000 claims abstract description 36
- 239000011241 protective layer Substances 0.000 claims abstract description 9
- 230000006978 adaptation Effects 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 20
- 239000002086 nanomaterial Substances 0.000 claims description 20
- 238000010023 transfer printing Methods 0.000 claims description 9
- 239000004831 Hot glue Substances 0.000 claims description 7
- 229920006255 plastic film Polymers 0.000 claims description 7
- 239000002985 plastic film Substances 0.000 claims description 7
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 238000007645 offset printing Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 230000003678 scratch resistant effect Effects 0.000 abstract description 3
- 239000002585 base Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 238000009826 distribution Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/255—Polyesters
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
- C09J7/35—Heat-activated
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
- G09F3/0294—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time where the change is not permanent, e.g. labels only readable under a special light, temperature indicating labels and the like
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/122—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present only on one side of the carrier, e.g. single-sided adhesive tape
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/304—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier the adhesive being heat-activatable, i.e. not tacky at temperatures inferior to 30°C
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F2003/0208—Indicia
- G09F2003/0213—Concealed data
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F2003/0257—Multilayer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Laminated Bodies (AREA)
- Credit Cards Or The Like (AREA)
Abstract
The application relates to a plastic packaging film, and a preparation method and application thereof. Comprising the following steps: a PET base film; a thermosol layer covering the first surface of the PET base film; printing a proper printing layer, and attaching the proper printing layer to the second surface of the PET base film; the UV glue pattern printing layer is attached to the printing adaptation layer and provided with UV glue printing patterns; the optical anti-counterfeiting pattern hot stamping layer is attached to the UV glue pattern printing layer and is provided with an optical anti-counterfeiting pattern and a scratch-resistant protective layer on the pattern. By utilizing the embodiments of the application, the anti-counterfeiting effect of the plastic packaging film can be effectively improved.
Description
Technical Field
The application relates to the field of optical materials, in particular to a plastic packaging film and a preparation method and application thereof.
Background
A card plastic packaging film is a conventional packaging material for a document (such as an identification card, passport, etc.) or a card (such as a membership card, etc.). With the continuous development of technology, a simple packaging protection function cannot meet actual application requirements, and the plastic packaging film is often required to have an anti-counterfeiting function. However, the existing plastic packaging film has the defects of identical and single surface optical decorative patterns and anti-counterfeiting means, the diversity and the complexity can not meet the actual anti-counterfeiting requirement, and the anti-counterfeiting effect is low.
Disclosure of Invention
In view of the above, the application provides a plastic packaging film, and a preparation method and application thereof, so as to improve the anti-counterfeiting effect of the plastic packaging film.
According to an aspect of the present application, there is provided a plastic film comprising:
A PET base film;
a thermosol layer covering the first surface of the PET base film;
Printing a proper printing layer, and attaching the proper printing layer to the second surface of the PET base film;
the UV glue pattern printing layer is attached to the printing adaptation layer and provided with UV glue printing patterns;
the optical anti-counterfeiting pattern hot stamping layer is attached to the UV glue pattern printing layer and is provided with an optical anti-counterfeiting pattern.
In one possible implementation, the optical security pattern matches the UV offset printing pattern location.
In one possible implementation, the optical security pattern is a micro-nano structured optical security pattern, and is composed of a plurality of micro-nano structured grating units.
In one possible implementation, the micro-nano structured grating unit is of a specific geometry or character shape, and the diagonal length of the micro-nano structured grating unit ranges from 20 micrometers to 200 micrometers.
In one possible implementation manner, the micro-nano structure grating unit is composed of a plurality of grating strips, the grating strips in the same micro-nano structure grating unit are parallel to each other, and the directions of the grating strips in different micro-nano structure grating units are the same or different.
In one possible implementation manner, the micro-nano structure grating unit is composed of a plurality of grating stripes with variable spacing, variable length and variable space frequency.
In one possible implementation, the fringe period value of the grating fringes is set to be within a specific range and the fringe depth value of the grating fringes is set to be within a specific depth range.
In one possible implementation, the optical security pattern stamping layer is provided with a protective layer.
According to another aspect of the present application, there is provided a method for preparing the above plastic packaging film, the method comprising:
Spraying hot melt adhesive on the first surface of the PET base film, and forming the hot melt adhesive layer on the first surface;
printing UV transfer printing glue on the printing adaptation layer on the second surface of the PET base film to form a UV glue pattern printing layer;
Printing an optical anti-counterfeiting pattern on the UV glue pattern printing layer by adopting a cold stamping process, and solidifying to form the optical anti-counterfeiting pattern hot stamping layer, wherein the position of the optical anti-counterfeiting pattern is matched with the position of the UV glue printing pattern;
and attaching the protective layer on the thermoprinting layer of the optical anti-counterfeiting pattern to obtain the plastic packaging film.
According to a further aspect of the present application there is provided the use of the above plastic packaging film for the packaging of documents or cards.
According to embodiments of aspects of the present application, a micro-nano structured optical pattern is provided on a plastic packaging film, in combination with a UV glue pattern. The dynamic light and shadow changing decorative effect and multiple optical anti-counterfeiting technology can be realized on pattern decoration. The micro-nano structure optical anti-counterfeiting pattern is combined with the cold stamping co-process, UV transfer printing glue is printed on the surface of the film, the pattern of the printed glue part is combined with the cold stamping film with the optical anti-counterfeiting pattern on the printed transfer printing glue pattern for solidification, the pattern formed by the optical effect is matched with the UV transfer printing glue printed pattern in a positioning way, the anti-counterfeiting effect of the plastic packaging film can be effectively improved, and meanwhile, the perspective is perfect improvement of the traditional card plastic packaging film no matter the technical layer of the anti-counterfeiting manufacturing process or the aesthetic property of the decorative pattern.
Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features and aspects of the application and together with the description, serve to explain the principles of the application.
Fig. 1 shows a schematic structural diagram of a plastic film according to an embodiment of the present application.
Fig. 2 shows an application scenario of a plastic film according to an embodiment of the present application.
Fig. 3 shows a schematic distribution diagram of the micro-nano structured grating unit according to an embodiment of the present application.
Fig. 4 shows another distribution diagram of the micro-nano structured grating unit according to an embodiment of the present application.
Fig. 5 shows a schematic perspective view of the micro-nano structure grating unit according to an embodiment of the present application.
Fig. 6 is a schematic flow chart of a method for preparing a plastic packaging film according to an embodiment of the present application.
Fig. 7 shows a process flow chart of a method for preparing a plastic packaging film according to an embodiment of the application.
Fig. 8 shows a schematic diagram of an implementation scenario of a micro-nano structured optical anti-counterfeiting pattern cold stamping process according to an embodiment of the present application.
Detailed Description
Various exemplary embodiments, features and aspects of the application will be described in detail below with reference to the drawings. In the drawings, like reference numbers indicate identical or functionally similar elements. Although various aspects of the embodiments are illustrated in the accompanying drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The word "exemplary" is used herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
In addition, numerous specific details are set forth in the following description in order to provide a better illustration of the application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, well known methods, procedures, components, and circuits have not been described in detail so as not to obscure the present application.
Fig. 1 shows a schematic structural diagram of a plastic film according to an embodiment of the present application.
As shown in fig. 1, the plastic packaging film may include:
A PET base film 1;
a thermosol layer 2 covering the first surface of the PET base film 1;
printing a printing layer 3, and attaching the printing layer to the second surface of the PET base film 1;
A UV glue pattern printing layer 4 which is attached to the printing adaptation layer 3 and is provided with UV glue printing patterns;
the optical anti-counterfeiting pattern hot stamping layer 5 is attached to the UV glue pattern printing layer 4 and is provided with an optical anti-counterfeiting pattern.
In one possible implementation, the optical security pattern may be matched to the UV offset printing pattern location. In particular, in this example, the optical security pattern may be positioned exactly on the UV offset print pattern. In other embodiments of the present application, the optical security pattern may also be disposed to satisfy a specific positional relationship with the UV offset printing pattern, for example, may cover only a portion of the UV offset printing pattern.
In one possible implementation, the optical security pattern may be a micro-nano structured optical security pattern, which is composed of a plurality of micro-nano structured grating units. In particular, the micro-nano structured optical anti-counterfeiting pattern can be composed of micro-nano grating stripes, and the micro-nano grating stripes can be distributed in a unit form.
In one possible implementation, the micro-nano structured grating unit may be of a specific geometry or character shape, and the diagonal length of the micro-nano structured grating unit may range from 20 micrometers to 200 micrometers.
Specifically, fig. 3 shows a schematic distribution diagram of the micro-nano structured grating unit according to an embodiment of the present application. Fig. 4 shows another distribution diagram of the micro-nano structured grating unit according to an embodiment of the present application. As shown in fig. 3 and 4, the grating stripes may form the micro-nano structured grating unit in a specific shape, such as a square as shown in fig. 3, a circle or a polygon as shown in fig. 4. Specifically, the shape of the micro-nano structure grating unit can be designed according to practical situations by an operator, and the application is not limited to this. Likewise, the micro-nano structured grating unit may be sized such that the diagonal length thereof is within a predetermined range, for example, 20 micrometers to 200 micrometers. Of course, in other embodiments of the present application, the micro-nano structure grating unit may be set to have other values, which is not limited by the present application.
Further, as shown in fig. 3, in one possible implementation manner, the micro-nano structure grating unit may be formed by a plurality of grating strips, wherein the grating strips in the same micro-nano structure grating unit are parallel to each other, and the directions of the grating strips in different micro-nano structure grating units are the same or different. The grating fringes may have a fringe period ranging from 0.3 micrometers to 2 micrometers, the grating fringes may be concave-convex grooves, and a fringe depth may be set in a range from 0.1 micrometers to 0.3 micrometers. The foregoing values are merely exemplary, and the present application is not limited thereto.
In another possible implementation, as shown in fig. 4, the micro-nano structure grating unit may be composed of a plurality of grating fringes with variable pitch, variable length and variable space frequency. That is, the grating unit may be composed of a plurality of long and short variable multi-space frequency mixed straight line stripes, and the stripe period may be set in the range of 5 micrometers to 10 micrometers.
Fig. 5 shows a schematic perspective view of the micro-nano structure grating unit according to an embodiment of the present application. As shown in fig. 5, the depth of the grating fringes may be set in the range of 0.1 to 0.3 microns. Of course, the foregoing values are merely exemplary, and the application is not limited thereto.
In one possible implementation, the fringe period value of the grating fringes is set to be within a specific range and the fringe depth value of the grating fringes is set to be within a specific depth range.
In one possible implementation, the optical security pattern stamping layer is further provided with a protective layer 6. The protective layer can form a scratch-resistant and acid-alkali corrosion-resistant protective effect on the optical pattern.
Fig. 2 shows an application scenario of a plastic film according to an embodiment of the present application. As shown in fig. 2, the plastic packaging film 10 can be used for packaging or plastic packaging matched certificates or cards, and the plastic packaging film 10 is provided with an optical anti-counterfeiting pattern 18.
By using the plastic packaging film of the embodiments, the micro-nano structure optical pattern is arranged on the plastic packaging film, and the UV glue pattern is combined. The dynamic light and shadow changing decorative effect and multiple optical anti-counterfeiting technology can be realized on pattern decoration. The micro-nano structure optical anti-counterfeiting pattern is combined with the cold stamping co-process, UV transfer printing glue is printed on the surface of the film, the pattern of the printed glue part is combined with the cold stamping film with the optical anti-counterfeiting pattern on the printed transfer printing glue pattern for solidification, the pattern formed by the optical effect is matched with the UV transfer printing glue printed pattern in a positioning way, the anti-counterfeiting effect of the plastic packaging film can be effectively improved, and meanwhile, the perspective is perfect improvement of the traditional card plastic packaging film no matter the technical layer of the anti-counterfeiting manufacturing process or the aesthetic property of the decorative pattern.
Fig. 6 is a schematic flow chart of a method for preparing a plastic packaging film according to an embodiment of the present application. Specifically, as shown in fig. 6, the method may include:
s110: and spraying hot melt adhesive on the first surface of the PET base film, and forming the hot melt adhesive layer on the first surface.
S120: printing UV transfer printing glue on the printing adaptation layer on the second surface of the PET base film to form a UV glue pattern printing layer;
s130: printing an optical anti-counterfeiting pattern on the UV glue pattern printing layer by adopting a cold stamping process, and solidifying to form the optical anti-counterfeiting pattern hot stamping layer, wherein the position of the optical anti-counterfeiting pattern is matched with the position of the UV glue printing pattern;
S140: and attaching the protective layer on the thermoprinting layer of the optical anti-counterfeiting pattern to obtain the plastic packaging film.
Fig. 7 shows a process flow chart of a method for preparing a plastic packaging film according to an embodiment of the application. Fig. 8 shows a schematic diagram of an implementation scenario of a micro-nano structured optical anti-counterfeiting pattern cold stamping process according to an embodiment of the present application. As shown in fig. 7 and 8, the micro-nano structure optical anti-counterfeiting pattern on the plastic packaging film can be printed on the surface of the film through a cold stamping process of printing UV transfer glue and then combining with the cold stamping film for curing. The pattern formed by the micro-nano structure optical effect and the optical anti-counterfeiting information on the plastic packaging film can be matched with the transfer pattern printed by the cold wave process UV glue in a positioning and registering manner. The surface of the plastic envelope is printed with a protective layer, and the plastic envelope is scratch-resistant and acid-base corrosion-resistant.
In an application example, the plastic packaging film can be used for packaging certificates or cards, such as identity cards, passports, bank cards, membership cards and the like, and can effectively improve the anti-counterfeiting effect of the plastic packaging film.
The foregoing description of embodiments of the application has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the technical improvement of the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (9)
1. A plastic film, comprising:
A PET base film;
The hot melt adhesive layer is covered on the first surface of the PET base film;
Printing a proper printing layer, and attaching the proper printing layer to the second surface of the PET base film;
the UV glue pattern printing layer is attached to the printing adaptation layer and provided with UV glue printing patterns;
the optical anti-counterfeiting pattern thermoprinting layer is attached to the UV glue pattern printing layer and is provided with an optical anti-counterfeiting pattern;
the optical anti-counterfeiting pattern is matched with the UV offset printing pattern in position.
2. The plastic packaging film as in claim 1, wherein the optical security pattern is a micro-nano structured optical security pattern, and is composed of a plurality of micro-nano structured grating units.
3. The plastic packaging film as in claim 2, wherein the micro-nano structured grating unit is of a specific geometric shape or character shape, and the diagonal length of the micro-nano structured grating unit ranges from 20 micrometers to 200 micrometers.
4. A plastic packaging film as claimed in claim 3, wherein the micro-nano structure grating unit is composed of a plurality of grating strips, the grating strips in the same micro-nano structure grating unit are parallel to each other, and the directions of the grating strips in different micro-nano structure grating units are the same or different.
5. A plastic packaging film as in claim 3 wherein said micro-nano structured grating elements are comprised of a plurality of grating strips of varying pitch, varying length, and varying space frequency.
6. The plastic packaging film as claimed in claim 4 or 5, wherein the fringe period value of the grating fringe is set to be within a specific range, and the fringe depth value of the grating fringe is set to be within a specific depth range.
7. The plastic packaging film as claimed in claim 1, wherein the thermo-printing layer of the optical anti-counterfeiting pattern is provided with a protective layer.
8. A method for producing the plastic film according to any one of claims 1 to 3, comprising:
Spraying hot melt adhesive on the first surface of the PET base film, and forming the hot melt adhesive layer on the first surface;
printing UV transfer printing glue on the printing adaptation layer on the second surface of the PET base film to form a UV glue pattern printing layer;
Printing an optical anti-counterfeiting pattern on the UV glue pattern printing layer by adopting a cold stamping process, and solidifying to form the optical anti-counterfeiting pattern hot stamping layer, wherein the position of the optical anti-counterfeiting pattern is matched with the position of the UV glue printing pattern;
and attaching the protective layer on the thermoprinting layer of the optical anti-counterfeiting pattern to obtain the plastic packaging film.
9. Use of a plastic packaging film according to any one of claims 1 to 3 for packaging of documents or cards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210505119.9A CN114806435B (en) | 2022-05-10 | 2022-05-10 | Plastic packaging film and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210505119.9A CN114806435B (en) | 2022-05-10 | 2022-05-10 | Plastic packaging film and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114806435A CN114806435A (en) | 2022-07-29 |
| CN114806435B true CN114806435B (en) | 2024-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210505119.9A Active CN114806435B (en) | 2022-05-10 | 2022-05-10 | Plastic packaging film and preparation method and application thereof |
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| Country | Link |
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| CN (1) | CN114806435B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1514423A (en) * | 2003-08-15 | 2004-07-21 | 河南天畅防伪包装有限公司 | Holographic colour print antiforge mark and its production technology |
| CN111653188A (en) * | 2020-06-12 | 2020-09-11 | 山东泰宝包装制品有限公司 | Laser encrypted anti-counterfeiting adhesive tape and preparation method thereof |
| CN113736389A (en) * | 2021-09-06 | 2021-12-03 | 上海宏盾防伪材料有限公司 | Method for manufacturing anti-copy laser anti-counterfeiting film and structure thereof |
| CN216273883U (en) * | 2021-09-06 | 2022-04-12 | 上海宏盾防伪材料有限公司 | Anti-copy laser anti-counterfeiting film |
| CN216353017U (en) * | 2021-10-08 | 2022-04-19 | 北京星汉特种印刷有限公司 | Traceable anti-counterfeit label |
-
2022
- 2022-05-10 CN CN202210505119.9A patent/CN114806435B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1514423A (en) * | 2003-08-15 | 2004-07-21 | 河南天畅防伪包装有限公司 | Holographic colour print antiforge mark and its production technology |
| CN111653188A (en) * | 2020-06-12 | 2020-09-11 | 山东泰宝包装制品有限公司 | Laser encrypted anti-counterfeiting adhesive tape and preparation method thereof |
| CN113736389A (en) * | 2021-09-06 | 2021-12-03 | 上海宏盾防伪材料有限公司 | Method for manufacturing anti-copy laser anti-counterfeiting film and structure thereof |
| CN216273883U (en) * | 2021-09-06 | 2022-04-12 | 上海宏盾防伪材料有限公司 | Anti-copy laser anti-counterfeiting film |
| CN216353017U (en) * | 2021-10-08 | 2022-04-19 | 北京星汉特种印刷有限公司 | Traceable anti-counterfeit label |
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| Publication number | Publication date |
|---|---|
| CN114806435A (en) | 2022-07-29 |
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